CN108811104A - Wireless resource allocation method and device - Google Patents

Wireless resource allocation method and device Download PDF

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Publication number
CN108811104A
CN108811104A CN201710309143.4A CN201710309143A CN108811104A CN 108811104 A CN108811104 A CN 108811104A CN 201710309143 A CN201710309143 A CN 201710309143A CN 108811104 A CN108811104 A CN 108811104A
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scheduling
dci
free
information
radio resource
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CN108811104B (en
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艾建勋
黄河
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2018/085544 priority patent/WO2018202113A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The present invention provides a kind of wireless resource allocation method and devices.Wherein, this method includes：Access network elements are that scheduling radio resources are exempted from user equipment (UE) configuration in the following way：For UE configuration ad Hoc wireless network temporary identifier RNTI, and/or it is the public RNTI for exempting from scheduling radio resources described in the shared UE configurations for exempting from scheduling radio resources.Through the invention, the relevant technologies are solved when scheduling radio resources are exempted from the shared uses of multiple UE, the problem of every UE carries out radio-resource-configuration can not be directed to, and then the technique effect of the flexible configuration of the radio resource of every UE may be implemented.

Description

Wireless resource allocation method and device
Technical Field
The present invention relates to the field of communications, and in particular, to a method and an apparatus for configuring radio resources.
Background
In 3GPP wireless technology discussion, a requirement for scheduling-free uplink transmission is proposed, that is, a network allocates dedicated uplink radio resources to a UE in advance or allocates shared semi-static uplink radio resources to a plurality of UEs, and when the UE transmits uplink data, the UE can directly use the semi-statically allocated uplink radio resources in advance to perform uplink data transmission without requesting a network allocation uplink grant (UL grant) in advance.
One method for implementing the above-mentioned schedule-free transmission is to allocate the semi-persistent radio resource by a method similar to the semi-persistent scheduling (SPS-like) in the 3GPP prior art.
In the related SPS technology, an access network side network element (e.g., eNB of LTE, gNB in 5G/NR) configures an SPS interval (interval) for a User Equipment (UE) through a Radio Resource Control (RRC) message, and an SPS C-RNTI for an SPS configuration command (SPS command).
The access network element sends Downlink Control Information (DCI) scrambled by using the SPS C-RNTI in a Downlink Physical Downlink Control Channel (PDCCH), and is used to Control activation and deactivation of SPS scheduling, Hybrid Automatic repeat request (HARQ) retransmission (transmission), configure a Modulation and Coding Scheme (MCS) in SPS uplink grant, frequency domain information of SPS uplink grant, and the like.
In the prior art (refer to 3GPP TS36.321), if a cell NDI (new data indicator) in the DCI scrambled by the SPS C-RNTI is set to 0 and a cell release in the DCI is set to 0, the UE initializes or re-initializes SPS scheduling resources, where the SPS scheduling resources are: the uplink grant (UL grant) indicated by the DCI and configured repeatedly with SPS interval as a period, for example, the uplink SPS shown in fig. 1, where the uplink grant resource occurs repeatedly with SPS interval as a period. This process is called the Activation (Activation) process of the SPS. The SPS uplink radio resource of the UE is also called configured uplink grant (configured uplink grant), and the SPS downlink radio resource of the UE is also called configured downlink assignment (configured downlink assignment).
If the channel release in the DCI is set to 1, the UE releases the configured SPS resource, and for uplink, the UE releases the configured uplink grant (configured uplink grant), and for downlink, the UE releases the configured downlink assignment, which is called a deactivation process (deactivation).
The SPS in the prior art is used to allocate a dedicated semi-static uplink or downlink radio resource to a UE, and when a plurality of UEs share and use a semi-statically configured uplink or downlink radio resource, how to configure the uplink or downlink radio resource for each UE, and how to perform configuration operations of radio resources, such as activation, deactivation, reconfiguration, and the like, on each UE and all UEs sharing and using the same uplink or downlink radio resource, is a problem to be solved.
Disclosure of Invention
The embodiment of the invention provides a wireless resource allocation method and a wireless resource allocation device, which are used for at least solving the problem that wireless resource allocation cannot be carried out on each UE when a plurality of UEs share scheduling-free wireless resources in the related art.
According to an embodiment of the present invention, there is provided a radio resource configuration method, including: the network element configures scheduling-free radio resources for User Equipment (UE) according to the following modes: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource.
Optionally, the method further includes: and configuring the interval length of the scheduling-free wireless resources for the UE and configuring the number of hybrid automatic repeat request (HARQ) processes using the scheduling-free wireless resources for the UE.
Optionally, the scheduling-free radio resource includes: scheduling-free uplink grant and scheduling-free downlink assignment.
Optionally, different UEs are configured with the same or different interval lengths of the scheduling-free radio resources or the number of HARQ processes, respectively.
Optionally, the access network element activates or deactivates the scheduling-free radio resource configured by the UE using the dedicated RNTI or the common RNTI; or, the access network element reconfigures the scheduling-free radio resource configured by the UE using the dedicated RNTI or the common RNTI.
Optionally, the activating or deactivating, by the access network element, the scheduling-free radio resource configured by the UE using the dedicated RNTI or the common RNTI includes: the access network element sends downlink control information DCI of a physical downlink control channel PDCCH with a first specified format to indicate the UE to activate or deactivate the scheduling-free wireless resource; the reconfiguring, by the access network element, the scheduling-free radio resource configured by the UE using the dedicated RNTI or the common RNTI includes: the access network element sends DCI of PDCCH with a second specified format to instruct the UE to reconfigure the scheduling-free radio resources; and the DCI uses the UE special RNTI or the public RNTI for scrambling.
Optionally, if the scheduling-free radio resource is a scheduling-free uplink grant, the DCI carries uplink grant information of the scheduling-free radio resource, where the uplink grant information includes at least one of the following information: frequency domain information of uplink authorization and Modulation Coding Scheme (MCS) information; if the scheduling-free wireless resource is scheduling-free downlink assignment, the DCI carries downlink assignment information of the scheduling-free wireless resource, wherein the downlink assignment information includes at least one of the following information: downlink assigned frequency domain information and Modulation Coding Scheme (MCS) information.
Optionally, the DCI further carries first time information, where the first time information is used to indicate a time interval, in a time domain, of an uplink grant carried by the DCI relative to a radio resource for transmitting the DCI. The DCI also carries second time information, where the second time information is used to indicate a time interval of downlink assignment carried by the DCI in a time domain relative to a radio resource for transmitting the DCI.
Optionally, the sending, by the access network element, DCI of a PDCCH in a second specific format to instruct the UE to reconfigure the scheduling-free radio resource includes: the UE keeps the time domain resource of the currently configured uplink grant or the configured downlink assignment unchanged, and reconfigures the configured uplink grant or the configured downlink assignment according to the frequency domain information and/or the modulation and coding scheme indicated in the DCI of the PDCCH in the second specified format; or, the UE uses the frequency domain information and/or the modulation and coding scheme of the uplink grant or the downlink assignment indicated in the DCI of the second specific format, starting from the time domain resource of the first currently configured uplink grant or the configured downlink assignment after receiving the DCI of the PDCCH of the second specific format.
According to another embodiment of the present invention, there is provided a radio resource configuration method including: user Equipment (UE) receives configuration information sent by an access network element, wherein the configuration information comprises: the access network element configures scheduling-free wireless resources for the UE according to the following modes: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource; and the UE uses the scheduling-free wireless resource according to the configuration information.
Optionally, the configuration information further includes: and configuring the interval length of the scheduling-free wireless resources for the UE and configuring the number of hybrid automatic repeat request (HARQ) processes using the scheduling-free wireless resources for the UE.
Optionally, the method further comprises: when receiving downlink control information DCI of a physical downlink control channel PDCCH in a third specified format sent by the access network element, the UE activates or deactivates the scheduling-free radio resource; when receiving DCI of PDCCH in a fourth designated format sent by the access network element, the UE reconfigures the scheduling-free radio resource; wherein the DCI is scrambled using the private RNTI or the common RNTI.
Optionally, if the scheduling-free radio resource is a scheduling-free uplink grant, the DCI carries uplink grant information of the scheduling-free radio resource, where the uplink grant information includes at least one of the following information: frequency domain information of uplink authorization and Modulation Coding Scheme (MCS) information; if the scheduling-free wireless resource is scheduling-free downlink assignment, the DCI carries downlink assignment information of the scheduling-free wireless resource, wherein the downlink assignment information includes at least one of the following information: downlink assigned frequency domain information and Modulation Coding Scheme (MCS) information.
Optionally, the DCI further carries first time information, where the first time information is used to indicate a time interval, in a time domain, of an uplink grant carried by the DCI relative to a radio resource for transmitting the DCI; the DCI also carries second time information, where the second time information is used to indicate a time interval of downlink assignment carried by the DCI in a time domain relative to a radio resource for transmitting the DCI.
Optionally, when receiving DCI of a PDCCH of a fourth specified format sent by the access network element, the reconfiguring, by the UE, the scheduling-free radio resource includes: the UE keeps the time domain resource of the currently configured uplink grant or the configured downlink assignment unchanged, and reconfigures the configured uplink grant or the configured downlink assignment according to the frequency domain information and/or the modulation and coding scheme indicated in the DCI of the PDCCH in the fourth designated format; or,
and the UE uses the uplink grant or downlink assigned frequency domain information and/or modulation coding scheme indicated in the DCI of the fourth specified format from the first currently configured uplink grant or configured downlink assigned time domain resource after receiving the DCI of the PDCCH of the fourth specified format.
According to another embodiment of the present invention, there is provided a radio resource configuration apparatus, applied to an access network element, including: a configuration module, configured to configure a scheduling-free radio resource for a user equipment UE in the following manner: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource.
Optionally, the method further includes: and configuring the interval length of the scheduling-free wireless resources for the UE and configuring the number of hybrid automatic repeat request (HARQ) processes using the scheduling-free wireless resources for the UE.
According to another embodiment of the present invention, there is provided a radio resource configuration apparatus, applied to a user equipment UE, including: a receiving module, configured to receive configuration information sent by an access network element, where the configuration information includes: the access network element configures scheduling-free wireless resources for the UE according to the following modes: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource; a first processing module for using the scheduling-free radio resource according to the configuration information
Optionally, the apparatus further comprises: a second processing module, configured to activate or deactivate the scheduling-free radio resource when receiving downlink control information DCI of a physical downlink control channel PDCCH in a third specified format sent by the access network element; a third processing module, configured to reconfigure the scheduling-free radio resource when receiving DCI of a PDCCH in a fourth specified format sent by the access network element; wherein the DCI is scrambled using the private RNTI or the common RNTI.
Optionally, the third processing module includes: a first processing unit, configured to keep time domain resources of a currently configured uplink grant or a configured downlink assignment unchanged, and reconfigure the configured uplink grant or the configured downlink assignment according to frequency domain information and/or a modulation and coding scheme indicated in the DCI of the PDCCH in the fourth specified format; or, the second processing unit is configured to use, from a time domain resource of the first currently configured uplink grant or the configured downlink assignment after receiving the DCI of the PDCCH in the fourth specified format, the frequency domain information and/or the modulation and coding scheme of the uplink grant or the downlink assignment indicated in the DCI in the fourth specified format.
According to still another embodiment of the present invention, there is also provided a storage medium. The storage medium is configured to store program code for performing the steps of:
the access network element configures scheduling-free radio resources for User Equipment (UE) according to the following modes: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource.
Optionally, the storage medium is further arranged to store program code for performing the steps of:
user Equipment (UE) receives configuration information sent by an access network element, wherein the configuration information comprises: the access network element configures scheduling-free wireless resources for the UE according to the following modes: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource; and the UE uses the scheduling-free wireless resource according to the configuration information.
By the invention, the access network element configures the scheduling-free wireless resource for the user equipment UE according to the following modes: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource. That is to say, the scheduling-free resource is configured for each UE in the above manner, so that the problem that in the related art, when multiple UEs share and use the scheduling-free radio resource, the radio resource configuration cannot be performed for each UE is solved, and the technical effect of flexibly configuring the radio resource of each UE can be further achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a diagram of related art semi-persistent scheduling (SPS) in the related art;
fig. 2 is a flowchart of a radio resource allocation method according to an embodiment of the present invention;
fig. 3 is a flowchart of another radio resource allocation method according to an embodiment of the present invention;
fig. 4 is a schematic diagram of radio resource allocation according to an embodiment of the present invention;
FIG. 5 is a diagram of radio resource allocation according to an embodiment of the present invention;
fig. 6 is a schematic diagram of radio resource allocation according to an embodiment of the present invention (two);
fig. 7 is a schematic diagram (three) of radio resource allocation according to an embodiment of the present invention;
fig. 8 is a block diagram of a radio resource configuration apparatus according to an embodiment of the present invention;
fig. 9 is a block diagram of another radio resource configuration apparatus according to an embodiment of the present invention;
fig. 10 is a block diagram (one) of another radio resource configuration apparatus according to an embodiment of the present invention;
fig. 11 is a block diagram (ii) of another radio resource configuration apparatus according to an embodiment of the present invention.
Detailed Description
The invention will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
Example 1
In this embodiment, a radio resource allocation method is provided, and fig. 2 is a flowchart of a radio resource allocation method according to an embodiment of the present invention, as shown in fig. 2, the flowchart includes the following steps:
step S202, the access network element configures scheduling-free radio resources for the user equipment UE according to the following mode:
configuring a private Radio Network Temporary Identity (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource.
Through the steps, the access network element configures the scheduling-free radio resource for the user equipment UE according to the following modes: configuring a private Radio Network Temporary Identity (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource. That is to say, the scheduling-free resource is configured for each UE in the above manner, so that the problem that in the related art, when multiple UEs share and use the scheduling-free radio resource, the radio resource configuration cannot be performed for each UE is solved, and the technical effect of flexibly configuring the radio resource of each UE can be further achieved.
Optionally, the foregoing method further includes: configuring the interval length of the scheduling-free wireless resource for the UE and configuring the number of hybrid automatic repeat request (HARQ) processes using the scheduling-free wireless resource for the UE.
The scheduling-free radio resource includes: scheduling-free uplink grant and scheduling-free downlink assignment.
Optionally, different UEs are configured with the same or different interval lengths of the scheduling-free radio resources or the number of HARQ processes, respectively.
In an optional embodiment, an access network element activates or deactivates the scheduling-free radio resource configured by the UE using the dedicated RNTI or the common RNTI; or, the access network element reconfigures the scheduling-free radio resource configured by the UE using the private RNTI or the public RNTI.
Wherein the access network element activating or deactivating the scheduling-free radio resource configured by the UE using the dedicated RNTI or the common RNTI comprises: the access network element sends downlink control information DCI of a physical downlink control channel PDCCH with a first specified format to indicate the UE to activate or deactivate the scheduling-free radio resource; the network element of the access network reconfiguring the scheduling-free radio resource configured by the UE using the dedicated RNTI or the common RNTI includes: the access network element sends DCI of PDCCH with a second specified format to indicate the UE to reconfigure the scheduling-free radio resource;
the DCI is scrambled using a dedicated RNTI or a common RNTI.
Optionally, if the scheduling-free radio resource is a scheduling-free uplink grant, the DCI carries uplink grant information of the scheduling-free radio resource, where the uplink grant information includes at least one of the following information: frequency domain information of uplink authorization and Modulation Coding Scheme (MCS) information; if the scheduling-free wireless resource is scheduling-free downlink assignment, the DCI carries downlink assignment information of the scheduling-free wireless resource, wherein the downlink assignment information includes at least one of the following information: downlink assigned frequency domain information and Modulation Coding Scheme (MCS) information.
Optionally, the DCI also carries first time information, where the first time information is used to indicate a time interval, in a time domain, of an uplink grant carried by the DCI relative to a radio resource for transmitting the DCI; the DCI also carries second time information, where the second time information is used to indicate a time interval of a downlink assignment carried by the DCI in a time domain relative to a radio resource for transmitting the DCI.
In an optional embodiment, the sending, by the access network element, the DCI of the PDCCH in the second specified format to instruct the UE to reconfigure the scheduling-free radio resource includes: the UE keeps the time domain resource of the currently configured uplink grant or the configured downlink assignment unchanged, and reconfigures the configured uplink grant or the configured downlink assignment according to the frequency domain information and/or the modulation and coding scheme indicated in the DCI of the PDCCH in the second specified format; or, the UE uses the frequency domain information and/or modulation and coding scheme of the uplink grant or downlink assignment indicated in the DCI of the second specific format, starting from the time domain resource of the first currently configured uplink grant or configured downlink assignment after receiving the DCI of the PDCCH of the second specific format.
Fig. 3 is a flowchart of another radio resource allocation method according to an embodiment of the present invention, and as shown in fig. 3, the flowchart includes the following steps:
step S302, a user equipment UE receives configuration information sent by an access network element, where the configuration information includes: the access network element configures scheduling-free wireless resources for the UE according to the following modes: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource;
step S304, the UE uses the scheduling-free radio resource according to the configuration information.
Through the above steps S302 to S304, the UE receives configuration information sent by an access network element, where the configuration information includes: the access network element configures scheduling-free wireless resources for the UE according to the following modes: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource; the UE uses the scheduling-free wireless resource according to the configuration information, so that the problem that in the related technology, when a plurality of UEs share the scheduling-free wireless resource, the wireless resource configuration cannot be carried out on each UE is solved, and the technical effect of flexibly configuring the wireless resource of each UE can be realized.
In an optional implementation manner, the configuration information further includes: configuring the interval length of the scheduling-free wireless resource for the UE and configuring the number of hybrid automatic repeat request (HARQ) processes using the scheduling-free wireless resource for the UE.
Optionally, when receiving downlink control information DCI of a physical downlink control channel PDCCH in a third specified format sent by the access network element, the UE activates or deactivates the non-scheduled radio resource; when receiving DCI of PDCCH in a fourth designated format sent by the access network element, the UE reconfigures the scheduling-free radio resource;
the DCI is scrambled using a dedicated RNTI or a common RNTI.
In an optional implementation manner, if the scheduling-free radio resource is a scheduling-free uplink grant, the DCI carries uplink grant information of the scheduling-free radio resource, where the uplink grant information includes at least one of the following information: frequency domain information of uplink authorization and Modulation Coding Scheme (MCS) information; if the scheduling-free wireless resource is scheduling-free downlink assignment, the DCI carries downlink assignment information of the scheduling-free wireless resource, wherein the downlink assignment information includes at least one of the following information: downlink assigned frequency domain information and Modulation Coding Scheme (MCS) information.
Optionally, the DCI further carries first time information, where the first time information is used to indicate a time interval, in a time domain, of an uplink grant carried by the DCI relative to a radio resource for transmitting the DCI; the DCI also carries second time information, where the second time information is used to indicate a time interval of downlink assignment carried by the DCI in a time domain relative to a radio resource for transmitting the DCI.
Wherein, when receiving the DCI of the PDCCH in the fourth specified format sent by the access network element, the reconfiguring, by the UE, the scheduling-free radio resource includes: the UE keeps the time domain resource of the currently configured uplink grant or the configured downlink assignment unchanged, and reconfigures the configured uplink grant or the configured downlink assignment according to the frequency domain information and/or the modulation and coding scheme indicated in the DCI of the PDCCH in the fourth designated format; or,
and the UE uses the uplink grant or downlink assigned frequency domain information and/or modulation coding scheme indicated in the DCI of the fourth specified format from the first currently configured uplink grant or configured downlink assigned time domain resource after receiving the DCI of the PDCCH of the fourth specified format.
The present embodiment will be described below with reference to specific examples.
The access network element configures dedicated or scheduling-free wireless resources shared by a plurality of UEs for the UEs by the following method:
the access network element configures the interval length (interval) of the scheduling-free radio resource for the UE, that is, the time domain cycle length of the scheduling-free radio resource configured for the UE. The access network element configures the same or different interval lengths for different UEs. In the example shown in fig. 4, UE1 and UE2 share the use of a scheduling-free radio resource, and UE1 and UE2 are configured with different interval length values, respectively.
The access network element configures the number of HARQ processes using the scheduling-free wireless resource for the UE, wherein if the scheduling-free wireless resource comprises an uplink wireless resource, the number of the HARQ processes comprises the number of the uplink HARQ processes, and if the scheduling-free wireless resource comprises a downlink wireless resource, the number of the HARQ processes comprises the number of the downlink HARQ processes.
Different UEs are respectively configured with the same or different interval lengths of the scheduling-free wireless resources or the number of HARQ processes.
And the access network element configures the RNTI special for the UE, and is used for activating the scheduling-free radio resource used by the UE, and/or deactivating the scheduling-free radio resource configured by the UE, and/or reconfiguring the scheduling-free radio resource configured by the UE, and/or indicating retransmission information of a HARQ process using the scheduling-free radio resource for the UE.
And the access network element configures the public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource, and is used for activating the plurality of UEs to use the scheduling-free radio resource, and/or deactivating the scheduling-free radio resource configured by the plurality of UEs, and/or reconfiguring the scheduling-free radio resource configured by the plurality of UEs.
The UE configured with the dedicated RNTI and the scheduling-free radio resource common RNTI detects PDCCH signaling DCI scrambled by the dedicated RNTI or the common RNTI when monitoring (keepaliving) PDCCH channel.
The scheduling-free radio resource is scheduling-free uplink grant (uplink grant) or scheduling-free downlink assignment (downlink assignment).
The scheduling-free uplink grant is as follows: the uplink grant is configured semi-statically, and when the UE uses a certain uplink grant, the UE directly uses the uplink grant to send uplink transmission without applying in advance.
The scheduling-free downlink assignment means that: the downlink assignment is semi-static configuration, and when the UE receives downlink transmission on a certain scheduling-free downlink assignment resource, the UE does not need to receive downlink assignment information sent through a physical common control channel in advance.
The step of activating the scheduling-free radio resource configured by the UE by using the UE-dedicated RNTI or the common RNTI by the access network element is as follows: the access network element sends a PDCCH signaling DCI with a specific format, the DCI uses the UE special RNTI or the public RNTI for scrambling, and the DCI indicates the UE to activate the scheduling-free wireless resource.
Optionally, if the radio resource is an uplink grant, the DCI carries uplink grant information of the non-scheduling radio resource, including frequency domain information of the uplink grant and/or Modulation and Coding Scheme (MCS) information.
Optionally, the DCI also carries time information, which is used to indicate a time interval of an uplink grant carried by the DCI in a time domain relative to a radio resource for transmitting the DCI.
The UE receiving the DCI initializes or re-initializes an uplink grant (configurable downlink grant) configured by the UE. The configured uplink grant (configured uplink grant) is: and a radio resource which repeats according to the gap length from the uplink grant indicated by the DCI, that is, a radio resource of the same frequency domain resource and/or MCS every other gap length.
As shown in fig. 5, the UE first receives the DCI, where the DCI indicates a first uplink grant, and the uplink grant configured by the UE includes the uplink grant and the uplink grant repeated with the interval length as a period thereafter.
Optionally, if the radio resource is downlink assignment, the DCI carries downlink assignment information of the scheduling-free radio resource, including downlink assigned frequency domain information and/or Modulation and Coding Scheme (MCS) information.
Optionally, the DCI also carries time information (timing) for indicating a time interval of the downlink assignment relative to a radio resource for transmitting the DCI.
The UE receiving the DCI initializes or re-initializes its configured downlink assignment (configured downlink assignment), where the configured downlink assignment (configured downlink assignment) is: starting from the downlink assignment indicated by the DCI, the radio resources repeated according to the gap length, that is, the radio resources of the same frequency domain resource and/or MCS every other gap length.
The access network element uses the UE private RNTI or the common RNTI to deactivate the scheduling-free radio resource configured by the UE, which is: the access network element sends a PDCCH signaling DCI with a specific format, the DCI is scrambled by using the UE special RNTI or the public RNTI, and the DCI instructs the UE to deactivate the scheduling-free radio resource.
The DCI indicates to release the configured scheduling-free radio resource, and if the configured scheduling-free radio resource is the configured uplink grant, the UE releases the configured uplink grant corresponding to the scheduling-free radio resource.
And if the configured scheduling-free wireless resource is downlink assignment, the UE releases the configured downlink configuration corresponding to the scheduling-free wireless resource.
The step of using the UE private RNTI or the common RNTI by the access network element to reconfigure the scheduling-free radio resource configured by the UE means: the access network element sends a PDCCH signaling DCI with a specific format, the DCI uses the UE special RNTI or the public RNTI for scrambling, and the DCI instructs the UE to reconfigure the scheduling-free radio resources.
Optionally, if the radio resource is an uplink grant, the DCI carries uplink grant information of the non-scheduling radio resource, including frequency domain information of the uplink grant and/or Modulation and Coding Scheme (MCS) information.
Optionally, the DCI also carries time information, which is used to indicate a time interval of an uplink grant carried by the DCI in a time domain relative to a radio resource for transmitting the DCI.
The UE receiving the DCI re-initializes (reinitiate) an uplink grant (configurable downlink grant) configured by the UE, that is: and maintaining the time domain resources of the uplink grant configured currently, and reconfiguring the configured uplink grant according to the frequency domain information and/or the modulation and coding scheme indicated in the DCI. And the UE uses the uplink grant frequency domain information and/or the modulation and coding scheme indicated in the DCI from the time domain resource of the uplink grant of the first existing configuration after the DCI is received.
And if the UE receiving the DCI information does not have the activated scheduling-free radio resource or does not have the configured uplink grant using the scheduling-free radio resource, ignoring the DCI information.
As shown in fig. 6, in the example, the UE first receives the DCI, where the DCI carries uplink grant information, and the UE reconfigures the uplink grant of the existing configuration by using the grant information indicated by the DCI from the uplink grant of the next existing configuration, but keeps the time domain resource of the uplink grant of the existing configuration unchanged, and only uses the frequency domain information and/or the modulation and coding scheme indicated by the DCI.
Optionally, if the radio resource is a downlink resource, the implementation method of the reconfiguration is similar to the above-mentioned reconfiguration method of the uplink resource.
As a specific implementation of the present invention, the scheduling-free radio resource is configured through an SPS mechanism in the 3GPP technology, and the access network element configures, by configuring an SPS configuration for the UE, the UE to use the scheduling-free radio resource, specifically:
the UE may be configured with an SPS interval (SPS interval), and the UE sharing the usage of the scheduling-exempt radio resource may be configured with the same or different SPS intervals.
And configuring the same or different number of HARQ processes using SPS resources for the UE sharing the scheduling-free wireless resources.
Configuring a special RNTI (semi-persistent scheduling) for each UE sharing the scheduling-free radio resources, namely an SPS C-RNTI;
and configuring the same Common RNTI Common SPS C-RNTI by the UE sharing the same scheduling-free wireless resource.
The access network element may configure one or more SPS configurations for one UE, so that the UE uses multiple sets of scheduling-free radio resources, as shown in fig. 7, the UE configures two sets of SPS configurations, and the uplink grant configured by the UE using each set of SPS configuration radio resources is shown in fig. 7.
And the access network element configures each set of the UE-specific RNTI of the SPS configuration and the SPSconfiguration-specific public RNTI for the UE. In this case, the configured uplink grant in the present invention is an uplink grant using an uplink radio resource of a certain set of SPS configuration that is configured, and the configured downlink grant in the present invention is a downlink assignment using a downlink radio resource of a certain set of SPS configuration that is configured.
The method provided by the invention realizes the functions of flexibly distributing, activating, deactivating and reconfiguring the shared scheduling-free wireless resource for the UE sharing the scheduling-free wireless resource.
When the access network controls a specific UE to use the shared scheduling-free radio resource, the DCI scrambled by the RNTI special for the UE can control the behavior of the UE using the radio resource.
When the access network needs to control all the UEs using the shared scheduling-free radio resource, the DCI scrambled by the common RNTI of the scheduling-free radio resource can control the behavior of the UEs using the scheduling-free radio resource, and each UE does not need to send the DCI scrambled by the respective special RNTI for control, thereby saving the signaling overhead of a radio interface and improving the efficiency of radio resource control.
By the method of the invention, the access network can also configure different intervals (SPS intervals) using the shared scheduling-free wireless resource for different UEs so as to meet the service quality requirements of different UEs.
On the basis, the invention also provides a method for reconfiguring the shared scheduling-free wireless resource used by the UE, namely, the UE which uses the shared scheduling-free wireless resource is instructed to reconfigure the information of the shared wireless resource through the DCI, but the time domain information of the shared wireless resource is not influenced. Through the reconfiguration method, for the UE configured with different intervals (intervals), the network side only needs to send the reconfigured DCI information once, and does not need to consider the difference of the time domain positions of the shared wireless resources used by different UEs, so that the reconfiguration of one or all the same UE without scheduling wireless resources can be realized, and the time domain positions of the UE using the wireless resources can not be influenced.
Through the above description of the embodiments, those skilled in the art can clearly understand that the method according to the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but the former is a better implementation mode in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
Example 2
In this embodiment, a radio resource configuration apparatus is further provided, and the apparatus is used to implement the foregoing embodiments and preferred embodiments, and the description already made is omitted for brevity. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware, or a combination of software and hardware is also possible and contemplated.
Fig. 8 is a block diagram of a radio resource configuration apparatus according to an embodiment of the present invention, as shown in fig. 8, the apparatus includes:
1) a configuration module 82, configured to configure scheduling-free radio resources for a user equipment UE in the following manner: configuring a private Radio Network Temporary Identity (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource.
With the apparatus shown in fig. 8, an access network element configures scheduling-free radio resources for a user equipment UE in the following manner: configuring a private Radio Network Temporary Identity (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource. That is to say, the scheduling-free resource is configured for each UE in the above manner, so that the problem that in the related art, when multiple UEs share and use the scheduling-free radio resource, the radio resource configuration cannot be performed for each UE is solved, and the technical effect of flexibly configuring the radio resource of each UE can be further achieved.
Optionally, the foregoing method further includes: configuring the interval length of the scheduling-free wireless resource for the UE and configuring the number of hybrid automatic repeat request (HARQ) processes using the scheduling-free wireless resource for the UE.
The scheduling-free radio resource includes: scheduling-free uplink grant and scheduling-free downlink assignment.
Optionally, different UEs are configured with the same or different interval lengths of the scheduling-free radio resources or the number of HARQ processes, respectively.
In an optional embodiment, an access network element activates or deactivates the scheduling-free radio resource configured by the UE using the dedicated RNTI or the common RNTI; or, the access network element reconfigures the scheduling-free radio resource configured by the UE using the private RNTI or the public RNTI.
Wherein the access network element activating or deactivating the scheduling-free radio resource configured by the UE using the dedicated RNTI or the common RNTI comprises: the access network element sends downlink control information DCI of a physical downlink control channel PDCCH with a first specified format to indicate the UE to activate or deactivate the scheduling-free radio resource; the network element of the access network reconfiguring the scheduling-free radio resource configured by the UE using the dedicated RNTI or the common RNTI includes: the access network element sends DCI of PDCCH with a second specified format to indicate the UE to reconfigure the scheduling-free radio resource;
the DCI is scrambled using a dedicated RNTI or a common RNTI.
Optionally, if the scheduling-free radio resource is a scheduling-free uplink grant, the DCI carries uplink grant information of the scheduling-free radio resource, where the uplink grant information includes at least one of the following information: frequency domain information of uplink authorization and Modulation Coding Scheme (MCS) information; if the scheduling-free wireless resource is scheduling-free downlink assignment, the DCI carries downlink assignment information of the scheduling-free wireless resource, wherein the downlink assignment information includes at least one of the following information: downlink assigned frequency domain information and Modulation Coding Scheme (MCS) information.
Optionally, the DCI also carries first time information, where the first time information is used to indicate a time interval, in a time domain, of an uplink grant carried by the DCI relative to a radio resource for transmitting the DCI; the DCI also carries second time information, where the second time information is used to indicate a time interval of a downlink assignment carried by the DCI in a time domain relative to a radio resource for transmitting the DCI.
In an optional embodiment, the sending, by the access network element, the DCI of the PDCCH in the second specified format to instruct the UE to reconfigure the scheduling-free radio resource includes: the UE keeps the time domain resource of the currently configured uplink grant or the configured downlink assignment unchanged, and reconfigures the configured uplink grant or the configured downlink assignment according to the frequency domain information and/or the modulation and coding scheme indicated in the DCI of the PDCCH in the second specified format; or, the UE uses the frequency domain information and/or modulation and coding scheme of the uplink grant or downlink assignment indicated in the DCI of the second specific format, starting from the time domain resource of the first currently configured uplink grant or configured downlink assignment after receiving the DCI of the PDCCH of the second specific format.
In this embodiment, a radio resource configuration apparatus is further provided, and fig. 9 is a block diagram of another radio resource configuration apparatus according to an embodiment of the present invention, as shown in fig. 9, the apparatus includes:
1) a receiving module 92, configured to receive configuration information sent by an access network element, where the configuration information includes: the access network element configures scheduling-free wireless resources for the UE according to the following modes: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource;
2) a first processing module 94, configured to use the scheduling-free radio resource according to the configuration information.
By the apparatus shown in fig. 9, a user equipment UE receives configuration information sent by an access network element, where the configuration information includes: the access network element configures scheduling-free wireless resources for the UE according to the following modes: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource; the UE uses the scheduling-free wireless resource according to the configuration information, so that the problem that in the related technology, when a plurality of UEs share the scheduling-free wireless resource, the wireless resource configuration cannot be carried out on each UE is solved, and the technical effect of flexibly configuring the wireless resource of each UE can be realized.
In an optional implementation manner, the configuration information further includes: configuring the interval length of the scheduling-free wireless resource for the UE and configuring the number of hybrid automatic repeat request (HARQ) processes using the scheduling-free wireless resource for the UE.
In an alternative implementation manner, fig. 10 is a block diagram (a) of another radio resource configuration apparatus according to an embodiment of the present invention, and as shown in fig. 10, the apparatus includes:
1) a second processing module 102, configured to activate or deactivate the non-scheduling radio resource when receiving downlink control information DCI of a physical downlink control channel PDCCH in a third specified format sent by the access network element;
2) a third processing module 104, configured to reconfigure the scheduling-free radio resource when receiving DCI of a PDCCH in a fourth specified format sent by the access network element; wherein the DCI is scrambled using the private RNTI or the common RNTI.
In an optional implementation manner, if the scheduling-free radio resource is a scheduling-free uplink grant, the DCI carries uplink grant information of the scheduling-free radio resource, where the uplink grant information includes at least one of the following information: frequency domain information of uplink authorization and Modulation Coding Scheme (MCS) information; if the scheduling-free wireless resource is scheduling-free downlink assignment, the DCI carries downlink assignment information of the scheduling-free wireless resource, wherein the downlink assignment information includes at least one of the following information: downlink assigned frequency domain information and Modulation Coding Scheme (MCS) information.
Optionally, the DCI further carries first time information, where the first time information is used to indicate a time interval, in a time domain, of an uplink grant carried by the DCI relative to a radio resource for transmitting the DCI; the DCI also carries second time information, where the second time information is used to indicate a time interval of downlink assignment carried by the DCI in a time domain relative to a radio resource for transmitting the DCI.
In an alternative implementation manner, fig. 11 is a block diagram (ii) of another radio resource configuration apparatus according to an embodiment of the present invention, and as shown in fig. 11, the third processing module 104 includes:
1) a first processing unit 112, configured to keep the currently configured uplink grant or the configured downlink assignment time domain resource unchanged, and reconfigure the configured uplink grant or the configured downlink assignment according to the frequency domain information and/or the modulation and coding scheme indicated in the DCI of the PDCCH with the fourth specified format; or, a third processing unit is used to equally replace the first processing unit 112, where the second processing unit is configured to use the frequency domain information and/or modulation and coding scheme of the uplink grant or downlink assignment indicated in the DCI of the fourth specified format, starting from the time domain resource of the uplink grant or downlink assignment of the first current configuration after receiving the DCI of the PDCCH of the fourth specified format.
It should be noted that, the above modules may be implemented by software or hardware, and for the latter, the following may be implemented, but not limited to: the modules are all positioned in the same processor; alternatively, the modules are respectively located in different processors in any combination.
Example 3
The embodiment of the invention also provides a storage medium. Alternatively, in the present embodiment, the storage medium may be configured to store program codes for performing the following steps:
s1, the access network element configures the scheduling-free radio resource for the user equipment UE according to the following mode: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNT (radio network transmission) of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource.
Optionally, the storage medium is further arranged to store program code for performing the steps of:
s2, the UE receives configuration information sent by an access network element, where the configuration information includes: the access network element configures scheduling-free wireless resources for the UE according to the following modes: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource;
s3, the UE uses the scheduling-free wireless resource according to the configuration information.
Optionally, in this embodiment, the storage medium may include, but is not limited to: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
Alternatively, in the present embodiment, the processor executes the above step S1 according to the program code stored in the storage medium.
Alternatively, in the present embodiment, the processor executes the above steps S2, S3 according to program codes already stored in the storage medium.
Optionally, the specific examples in this embodiment may refer to the examples described in the above embodiments and optional implementation manners, and this embodiment is not described herein again.
It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (20)

1. A method for configuring radio resources, comprising:
the access network element configures scheduling-free radio resources for User Equipment (UE) according to the following modes:
configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource.
2. The method of claim 1, wherein the method further comprises:
and configuring the interval length of the scheduling-free wireless resources for the UE and configuring the number of hybrid automatic repeat request (HARQ) processes using the scheduling-free wireless resources for the UE.
3. The method of claim 1, wherein the scheduling-free radio resources comprise: scheduling-free uplink grant and scheduling-free downlink assignment.
4. The method of claim 2, wherein different UEs are configured with the same or different interval lengths of the scheduling-free radio resources or number of HARQ processes, respectively.
5. The method of claim 1,
the access network element uses the special RNTI or the public RNTI to activate or deactivate the scheduling-free radio resource configured by the UE; or,
and the access network element reconfigures the scheduling-free radio resources configured by the UE by using the special RNTI or the public RNTI.
6. The method of claim 5,
the access network element activating or deactivating the scheduling-free radio resource configured by the UE using the dedicated RNTI or the common RNTI includes: the access network element sends downlink control information DCI of a physical downlink control channel PDCCH with a first specified format to indicate the UE to activate or deactivate the scheduling-free wireless resource;
the reconfiguring, by the access network element, the scheduling-free radio resource configured by the UE using the dedicated RNTI or the common RNTI includes: the access network element sends DCI of PDCCH with a second specified format to instruct the UE to reconfigure the scheduling-free radio resources;
wherein the DCI is scrambled using the private RNTI or the common RNTI.
7. The method of claim 6,
if the scheduling-free wireless resource is scheduling-free uplink grant, the DCI carries uplink grant information of the scheduling-free wireless resource, where the uplink grant information includes at least one of the following information: frequency domain information of uplink authorization and Modulation Coding Scheme (MCS) information;
if the scheduling-free wireless resource is scheduling-free downlink assignment, the DCI carries downlink assignment information of the scheduling-free wireless resource, wherein the downlink assignment information includes at least one of the following information: downlink assigned frequency domain information and Modulation Coding Scheme (MCS) information.
8. The method of claim 6,
the DCI also carries first time information, wherein the first time information is used for indicating a time interval of an uplink grant carried by the DCI relative to a radio resource for transmitting the DCI in a time domain;
the DCI also carries second time information, where the second time information is used to indicate a time interval of downlink assignment carried by the DCI in a time domain relative to a radio resource for transmitting the DCI.
9. The method of claim 6, wherein the sending, by the access network element, the DCI for the PDCCH of the second specified format to instruct the UE to reconfigure the scheduling-free radio resources comprises:
the UE keeps the time domain resource of the currently configured uplink grant or the configured downlink assignment unchanged, and reconfigures the configured uplink grant or the configured downlink assignment according to the frequency domain information and/or the modulation and coding scheme indicated in the DCI of the PDCCH in the second specified format; or,
and the UE uses the uplink grant or downlink assigned frequency domain information and/or modulation coding scheme indicated in the DCI of the second specified format from the first currently configured uplink grant or configured downlink assigned time domain resource after receiving the DCI of the PDCCH of the second specified format.
10. A method for configuring radio resources, comprising:
user Equipment (UE) receives configuration information sent by an access network element, wherein the configuration information comprises: the access network element configures scheduling-free wireless resources for the UE according to the following modes: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource;
and the UE uses the scheduling-free wireless resource according to the configuration information.
11. The method of claim 10, wherein the configuration information further comprises:
and configuring the interval length of the scheduling-free wireless resources for the UE and configuring the number of hybrid automatic repeat request (HARQ) processes using the scheduling-free wireless resources for the UE.
12. The method of claim 10, further comprising:
when receiving downlink control information DCI of a physical downlink control channel PDCCH in a third specified format sent by the access network element, the UE activates or deactivates the scheduling-free radio resource;
when receiving DCI of PDCCH in a fourth designated format sent by the access network element, the UE reconfigures the scheduling-free radio resource;
wherein the DCI is scrambled using the private RNTI or the common RNTI.
13. The method of claim 12,
if the scheduling-free wireless resource is scheduling-free uplink grant, the DCI carries uplink grant information of the scheduling-free wireless resource, where the uplink grant information includes at least one of the following information: frequency domain information of uplink authorization and Modulation Coding Scheme (MCS) information;
if the scheduling-free wireless resource is scheduling-free downlink assignment, the DCI carries downlink assignment information of the scheduling-free wireless resource, wherein the downlink assignment information includes at least one of the following information: downlink assigned frequency domain information and Modulation Coding Scheme (MCS) information.
14. The method of claim 12,
the DCI also carries first time information, wherein the first time information is used for indicating a time interval of an uplink grant carried by the DCI relative to a radio resource for transmitting the DCI in a time domain;
the DCI also carries second time information, where the second time information is used to indicate a time interval of downlink assignment carried by the DCI in a time domain relative to a radio resource for transmitting the DCI.
15. The method of claim 12, wherein the UE reconfiguring the scheduling-free radio resource upon receiving DCI of a PDCCH of a fourth specified format sent by the access network element comprises:
the UE keeps the time domain resource of the currently configured uplink grant or the configured downlink assignment unchanged, and reconfigures the configured uplink grant or the configured downlink assignment according to the frequency domain information and/or the modulation and coding scheme indicated in the DCI of the PDCCH in the fourth designated format; or,
and the UE uses the uplink grant or downlink assigned frequency domain information and/or modulation coding scheme indicated in the DCI of the fourth specified format from the first currently configured uplink grant or configured downlink assigned time domain resource after receiving the DCI of the PDCCH of the fourth specified format.
16. A radio resource configuration device applied to an access network element is characterized by comprising:
a configuration module, configured to configure a scheduling-free radio resource for a user equipment UE in the following manner: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource.
17. The apparatus of claim 16, wherein the means further comprises:
and configuring the interval length of the scheduling-free wireless resources for the UE and configuring the number of hybrid automatic repeat request (HARQ) processes using the scheduling-free wireless resources for the UE.
18. A radio resource configuration device applied to User Equipment (UE) is characterized by comprising:
a receiving module, configured to receive configuration information sent by an access network element, where the configuration information includes: the access network element configures scheduling-free wireless resources for the UE according to the following modes: configuring a special Radio Network Temporary Identifier (RNTI) for the UE and/or configuring a public RNTI of the scheduling-free radio resource for the UE sharing the scheduling-free radio resource;
a first processing module, configured to use the scheduling-free radio resource according to the configuration information.
19. The apparatus of claim 18, further comprising:
a second processing module, configured to activate or deactivate the scheduling-free radio resource when receiving downlink control information DCI of a physical downlink control channel PDCCH in a third specified format sent by the access network element;
a third processing module, configured to reconfigure the scheduling-free radio resource when receiving DCI of a PDCCH in a fourth specified format sent by the access network element; wherein the DCI is scrambled using the private RNTI or the common RNTI.
20. The apparatus of claim 19, wherein the third processing module comprises:
a first processing unit, configured to keep time domain resources of a currently configured uplink grant or a configured downlink assignment unchanged, and reconfigure the configured uplink grant or the configured downlink assignment according to frequency domain information and/or a modulation and coding scheme indicated in the DCI of the PDCCH in the fourth specified format; or,
a second processing unit, configured to use, from a time domain resource of a first currently configured uplink grant or a configured downlink assignment after receiving the DCI of the PDCCH in the fourth specified format, the frequency domain information and/or the modulation and coding scheme of the uplink grant or the downlink assignment indicated in the DCI in the fourth specified format.
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