CN111384997A - Energy saving method for C-HPAV system, storage medium, and electronic apparatus - Google Patents
Energy saving method for C-HPAV system, storage medium, and electronic apparatus Download PDFInfo
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- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
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Abstract
The invention provides a power saving method for a C-HPAV system, a storage medium, and an electronic apparatus. Wherein the method applied to the coax line terminal of the C-HPAV system comprises: for data transmission of each beacon period, on the basis of meeting the requirement of service data transmission, adding an energy-saving operation interval in an interval or time slot where data is originally transmitted, so that when the coaxial cable network unit receiving the beacon period detects the energy-saving operation interval, the coaxial cable network unit stops data transmission of the interval or time slot where the coaxial cable network unit is located. The invention effectively reduces the power consumption of the C-HPAV system on the basis of ensuring the normal service data transmission requirement, thereby reducing the cost of operators.
Description
Technical Field
The invention relates to the field of EOC access networks, in particular to an energy-saving technology of a C-HPAV access network product.
Background
The C-HPAV technology is an access technology based on a coaxial cable network, and belongs to EoC technology. As shown in fig. 1, a C-HPAV system generally comprises a head-end equipment CLT (Coax Line Terminal), a plurality of user terminals CNUs (Coax Network units), and a Coax distribution Network connecting the CLT and the CNUs, which is similar to the networking structure of many other EoC technologies and is suitable for domestic cable tv access networks.
The MAC layer of the C-HPAV technology supports two channel access modes of CSMA/CA and TDMA, the two channel access modes can coexist in the same network, and the CLT allocates channel resources through a beacon period. Fig. 2 is a configuration of a beacon period, including: beacon segment, CSMA segment, and TDMA segment. The channel division information for all CSMA and TDMA is broadcast by the beacon segment.
With the continuous and high growth of broadband services, the construction process of broadband networks is accelerated, and broadband access networks have become one of the main sources of energy consumption growth of operators, so how to effectively reduce the energy consumption of broadband access networks while improving the access capability and service income of broadband services is a problem that needs to be solved by domestic operators urgently. The C-HPAV working channel is continuously extended, and the supported access rate is higher and higher, so that the power consumption of the C-HPAV system devices (including CLT and CNU) is correspondingly increased, and the energy saving problem of the C-HPAV system needs to be effectively solved while the service data transmission requirement is satisfied.
Disclosure of Invention
In view of the above-described drawbacks of the prior art, it is an object of the present invention to provide a power saving method, a storage medium, and an electronic apparatus for a C-HPAV system, which solve the above-described problems in the prior art.
To achieve the above and other related objects, the present invention provides an energy saving method of a C-HPAV system, applied to a coax line terminal of the C-HPAV system; the method comprises the following steps: for data transmission in each beacon period, on the basis of meeting the requirement of service data transmission, adding an energy-saving operation interval section in an interval or a time slot where data is originally transmitted, so that when a coaxial cable network unit receiving a beacon sent by the coaxial cable line terminal detects the energy-saving operation interval section, stopping data transmission in the interval or the time slot where the energy-saving operation interval section is located.
In an embodiment of the present invention, adding an energy-saving operation interval in the interval of the beacon period specifically includes: determining a CSMA section of a beacon period according to a downstream buffer area of a coaxial cable line terminal and upstream and downstream data traffic information of each online coaxial cable network unit; monitoring uplink and downlink data traffic information of the coaxial cable network unit in a CSMA working mode, and determining whether an energy-saving operation interval is introduced into the CSMA interval or not; if yes, adding the energy-saving operation interval in one or more intervals of the CSMA segment, so that when the coaxial cable network unit receiving the beacon detects the energy-saving operation interval, the coaxial cable network unit stops transmitting power and monitoring signals of the interval in which the energy-saving operation interval is located.
In an embodiment of the present invention, adding an energy-saving operation interval in the time slot of the beacon period specifically includes: determining a TDMA section of a beacon period according to a downlink buffer area of a coaxial cable line terminal and uplink and downlink data traffic information of each online coaxial cable network unit; monitoring uplink and downlink data traffic information of a coaxial cable network unit in a TDMA working mode, and determining whether an energy-saving operation interval is introduced into the TDMA section; if yes, adding the energy-saving operation section in one or more time slots in an uplink section of the TDMA section and/or one or more time slots in a downlink section of the TDMA section, so that when the coaxial cable network unit receiving the beacon detects the energy-saving operation section in the uplink section, the transmission power of the uplink time slot in which the energy-saving operation section is positioned is stopped, and when the energy-saving operation section is detected in the downlink section, the signal reception of the downlink time slot in which the energy-saving operation section is positioned is stopped.
In an embodiment of the present invention, the method further includes: adding an identification field in a beacon section of the beacon period; the identification field comprises: identification information of whether to enter an energy-saving operation mode, and location information of an energy-saving operation interval included in the beacon period in the energy-saving operation mode.
To achieve the above and other related objects, the present invention provides an energy saving method of a C-HPAV system, applied to a coaxial cable network unit of the C-HPAV system; the method comprises the following steps: receiving a beacon; and when the energy-saving operation interval contained in the beacon is detected, stopping data transmission of the interval or the time slot in which the energy-saving operation interval is positioned.
In an embodiment of the present invention, in the CSMA operating mode, if the CSMA segment of the beacon is detected to have the power-saving operation block, the transmitting power and the listening signal of the interval where the power-saving operation block is located are stopped; in the TDMA working mode, if the TDMA section uplink section of the beacon is detected to have the energy-saving operation section, stopping the transmitting power of the uplink time slot of the energy-saving operation section; and if the energy-saving operation interval is detected in the TDMA section downlink segment of the beacon, stopping the signal reception of the downlink time slot of the energy-saving operation interval.
In an embodiment of the present invention, the beacon period includes: identification information of whether to enter an energy-saving operation mode, and location information of an energy-saving operation interval included in the beacon period in the energy-saving operation mode.
In an embodiment of the present invention, the method further includes: determining whether to enter an energy-saving operation mode according to the identification information; and if the beacon section enters the energy-saving operation mode, stopping data transmission of the corresponding interval or time slot according to the position information of the energy-saving operation interval in the beacon section.
To achieve the above and other related objects, the present invention provides a storage medium having stored therein a computer program that, when loaded and executed by a processor, implements the power saving method of the C-HPAV system.
To achieve the above and other related objects, the present invention provides an electronic device, comprising: a processor and a memory; wherein the memory is for storing a computer program; the processor is used for loading and executing the computer program to enable the electronic equipment to execute the energy-saving method of the C-HPAV system.
As described above, the energy saving method, the storage medium, and the electronic device of the C-HPAV system according to the present invention effectively reduce the power consumption of the C-HPAV system, thereby reducing the cost of the operator, while ensuring the normal service data transmission requirements.
Drawings
Fig. 1 shows an architecture diagram of a prior art C-HPAV system.
Fig. 2 is a schematic diagram showing a beacon period of a C-HPAV system in the related art.
Fig. 3 is a schematic diagram illustrating a beacon period of the C-HPAV system according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
In the data transmission of each beacon period, the C-HPAV system is not in a fully-matched working state at every moment interval or time slot, so that the energy-saving operation mechanism is properly introduced while the service data transmission is met, and the power consumption of the C-HPAV system is reduced.
The energy-saving operation mode is that for data transmission in each beacon period of the C-HPAV system, under the condition that the service data transmission requirement is satisfied, an energy-saving operation interval is added to an interval or a time slot in which a data symbol is originally transmitted, so that when the coaxial cable network unit receiving the beacon period detects the energy-saving operation interval, the coaxial cable network unit stops transmitting the data symbol in the interval or the time slot in which the coaxial cable network unit is located, that is, the transmission power of the transceiver is set to zero.
In detail, as shown in fig. 3, the coaxial cable line terminal of the C-HPAV system adds the energy saving operation section to the section or timeslot where the data symbol is originally transmitted, as follows:
1) the CLT monitors uplink and downlink data flow information in a CLT downlink buffer area and each online CNU uplink buffer area respectively, and determines a CSMA section and a TDMA section in a beacon period based on which CNUs are in a CSMA working mode and which CNUs are in a TDMA operation mode;
2) for the CSMA segment, the CLT respectively monitors the upstream and downstream data traffic information of the CNU working in the CSMA mode to determine whether to introduce an energy-saving operation interval in a certain interval or intervals of the CSMA segment, and if the energy-saving operation interval is determined to be introduced, the size of the interval is calculated;
3) for a TDMA section, the CLT respectively monitors uplink and downlink data traffic information of a CNU working in a TDMA mode to determine whether an energy-saving operation section is to be introduced into a certain time slot or a plurality of time slots of the TDMA section, and if the energy-saving operation section is determined to be introduced, the size of the section is calculated;
4) the CLT sets the related information of a beacon section, a CSMA section, a TDMA uplink section and a downlink section in the beacon period by using the determined energy-saving operation mode information, wherein an identification field is added in the beacon section for marking whether the energy-saving operation mode is entered or not, and if the energy-saving operation mode is entered, an identification field is marked to indicate which sections of the CSMA section are allocated with a zero-power transmission CSMA scale section (namely, the energy-saving operation section is included), which time slots of the TDMA uplink section are allocated with a zero-power transmission TDMA uplink time slot (namely, the energy-saving operation section is included), and which time slots of the TDMA downlink section are allocated with a zero-power transmission TDMA downlink time slot (namely, the energy-saving operation section is included);
5) the CLT enters an energy-saving operation mode according to the newly configured beacon period, the beacon is sent to each CNU, and each CNU determines whether to enter the energy-saving operation mode after receiving the beacon;
6) the CNU determines whether to enter the power saving operation mode according to the beacon transmitted by the CLT, and if so, stops data transmission of the interval or time slot in which the power saving operation interval is located when detecting the power saving operation interval included in the beacon period, specifically:
for a CNU in a CSMA working mode, if no CSMA segment is transmitted in the CSMA segment, the energy-saving operation mode is not entered, if the CSMA segment is transmitted in the CSMA segment, the energy-saving operation mode is entered, the CSMA segment is transmitted in the zero power designated in the beacon, the power is stopped to be transmitted, and the signal is stopped to be monitored;
for the CNU in the TDMA working mode, if the uplink time slot allocated to the CNU in the TDMA uplink segment has zero power to transmit the TDMA uplink time slot, the transmitting power is stopped in the time slot, and if the downlink time slot allocated to the CNU in the TDMA downlink segment has zero power to transmit the TDMA downlink time slot, the receiving signal is stopped.
All or part of the steps for implementing the above method embodiments may be performed by hardware associated with a computer program. Based upon such an understanding, the present invention also provides a computer program product comprising one or more computer instructions. The computer instructions may be stored in a computer readable storage medium. The computer-readable storage medium can be any available medium that a computer can store or a data storage device, such as a server, a data center, etc., that is integrated with one or more available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
Referring to fig. 4, the present embodiment provides an electronic device, which may be a coaxial cable line terminal, a coaxial cable network unit, or the like. In detail, the electronic device comprises at least, connected by a bus 41: a memory 42 and a processor 43, wherein the memory 42 is used for storing a computer program, and the processor 43 is used for executing the computer program stored in the memory 42 to execute all or part of the steps in the foregoing method embodiments, such as: the coax line termination performs steps 1) -5) of the aforementioned method embodiment and the coax network unit performs step 6) of the aforementioned method embodiment.
The above-mentioned system bus may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The system bus may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown, but this does not mean that there is only one bus or one type of bus. The communication interface is used for realizing communication between the database access device and other equipment (such as a client, a read-write library and a read-only library). The Memory may include a Random Access Memory (RAM), and may further include a non-volatile Memory (non-volatile Memory), such as at least one disk Memory.
The Processor may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; the device can also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, or a discrete hardware component.
In summary, the energy-saving method, the storage medium and the electronic device of the C-HPAV system of the present invention effectively reduce the power consumption of the C-HPAV system on the basis of ensuring the normal service data transmission requirement, thereby reducing the cost of the operator. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A power saving method of a C-HPAV system is characterized in that the method is applied to a coaxial cable line terminal of the C-HPAV system; the method comprises the following steps:
for data transmission in each beacon period, on the basis of meeting the requirement of service data transmission, adding an energy-saving operation interval section in an interval or a time slot where data is originally transmitted, so that when a coaxial cable network unit receiving a beacon sent by the coaxial cable line terminal detects the energy-saving operation interval section, stopping data transmission in the interval or the time slot where the energy-saving operation interval section is located.
2. The method according to claim 1, wherein adding a power saving operation interval section in the interval of the beacon period specifically comprises:
determining a CSMA section of a beacon period according to a downstream buffer area of a coaxial cable line terminal and upstream and downstream data traffic information of each online coaxial cable network unit;
monitoring uplink and downlink data traffic information of the coaxial cable network unit in a CSMA working mode, and determining whether an energy-saving operation interval is introduced into the CSMA interval or not;
if yes, adding the energy-saving operation interval in one or more intervals of the CSMA segment, so that when the coaxial cable network unit receiving the beacon detects the energy-saving operation interval, the coaxial cable network unit stops transmitting power and monitoring signals of the interval in which the energy-saving operation interval is located.
3. The method according to claim 1, wherein adding a power saving operation interval in the timeslot of the beacon period specifically comprises:
determining a TDMA section of a beacon period according to a downlink buffer area of a coaxial cable line terminal and uplink and downlink data traffic information of each online coaxial cable network unit;
monitoring uplink and downlink data traffic information of a coaxial cable network unit in a TDMA working mode, and determining whether an energy-saving operation interval is introduced into the TDMA section;
if yes, adding the energy-saving operation section in one or more time slots in an uplink section of the TDMA section and/or one or more time slots in a downlink section of the TDMA section, so that when the coaxial cable network unit receiving the beacon detects the energy-saving operation section in the uplink section, the transmission power of the uplink time slot in which the energy-saving operation section is positioned is stopped, and when the energy-saving operation section is detected in the downlink section, the signal reception of the downlink time slot in which the energy-saving operation section is positioned is stopped.
4. The method of claim 2 or 3, further comprising: adding an identification field in a beacon section of the beacon period; the identification field comprises: identification information of whether to enter an energy-saving operation mode, and location information of an energy-saving operation interval included in the beacon period in the energy-saving operation mode.
5. A power saving method of a C-HPAV system, characterized by being applied to a coaxial cable network unit of the C-HPAV system; the method comprises the following steps:
receiving a beacon;
and when the energy-saving operation interval contained in the beacon is detected, stopping data transmission of the interval or the time slot in which the energy-saving operation interval is positioned.
6. The method of claim 5,
in a CSMA working mode, if the CSMA section of the beacon is detected to have the energy-saving operation section, stopping transmitting power and monitoring signals of the section where the energy-saving operation section is located;
in the TDMA working mode, if the TDMA section uplink section of the beacon is detected to have the energy-saving operation section, stopping the transmitting power of the uplink time slot of the energy-saving operation section; and if the energy-saving operation interval is detected in the TDMA section downlink segment of the beacon, stopping the signal reception of the downlink time slot of the energy-saving operation interval.
7. The method of claim 5, wherein a beacon period of the beacon period comprises: identification information of whether to enter an energy-saving operation mode, and location information of an energy-saving operation interval included in the beacon period in the energy-saving operation mode.
8. The method of claim 7, further comprising:
determining whether to enter an energy-saving operation mode according to the identification information;
and if the beacon section enters the energy-saving operation mode, stopping data transmission of the corresponding interval or time slot according to the position information of the energy-saving operation interval in the beacon section.
9. A storage medium in which a computer program is stored, which, when loaded and executed by a processor, implements a method of power saving for a C-HPAV system as recited in any one of claims 1-8.
10. An electronic device, comprising: a processor and a memory; wherein,
the memory is used for storing a computer program;
the processor is configured to load and execute the computer program to cause the electronic device to perform the power saving method of the C-HPAV system according to any one of claims 1 to 4, or to perform the power saving method of the C-HPAV system according to any one of claims 5 to 8.
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