28 GHz Phased Array Interference Measurements and Modeling for a NOAA Microwave Radiometer in Manhattan
Authors: 
Abhishek Adhikari, Kevin Hermstein, Yonghua Wu, Thomas Legbandt, Carlos Caicedo Bastidas, Tingjun Chen, Fred Moshary, Ivan Seskar, 
Gil ZussmanAuthors Info & Claims
Abhishek Adhikari, Kevin Hermstein, Yonghua Wu, Thomas Legbandt, Carlos Caicedo Bastidas, Tingjun Chen, Fred Moshary, Ivan Seskar, Gil ZussmanAuthors Info & ClaimsPages 1695 - 1697
Abstract
A microwave radiometer (MWR) at NOAA-CESSRST in Manhattan, NYC has experienced interference from nearby sources operating in the 5G FR2 n257 band (26.50--29.50 GHz). In this poster, we produce interference using a mobile 28 GHz IBM Phased Array Antenna Module (PAAM). The mobile PAAM leverages a software-defined radio which offers flexibility in varying center frequency, modulation, gain, bandwidth, time schedule, and more. In this poster, we show preliminary experiments which successfully created controlled interference to a MWR's 28 GHz channel which lead to distortion in some of the MWR final products, such as water vapor profile. We transmitted a 10 MHz bandwidth OFDM signal with varying amplitude, observing the highly sensitive MWR voltage response to fractional dB increments of the transmitter gain. The mobile PAAM is characterized in an anechoic chamber and MWR measurements are taken at various azimuth angles to help estimate the MWR antenna pattern. Future work will develop a Spectrum Consumption Model to help enable coexistence of MWRs and Beyond-5G networks.
References
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Tingjun Chen, Prasanthi Maddala, Panagiotis Skrimponis, Jakub Kolodziejski, Xiaoxiong Gu, Arun Paidimarri, Sundeep Rangan, Gil Zussman, and Ivan Seskar. 2021. Programmable and Open-Access Millimeter-Wave Radios in the PAWR COSMOS Testbed. In Proc. ACM WiNTECH'21.
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Published In
December 2024
2476 pages
ISBN:9798400704895
DOI:10.1145/3636534
- Chair:
- Weisong Shi,
- Program Chairs:
- Deepak Ganesan,
- Nicholas Lane
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Published: 04 December 2024
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ACM MobiCom '24
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ACM MobiCom '24: 30th Annual International Conference on Mobile Computing and Networking
November 18 - 22, 2024
DC, Washington D.C., USA
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