Demo: Experimentation with Wideband Real-Time Adaptive Full-Duplex Radios
Authors: 
Alon Simon Levin, Igor Kadota, Sasank Garikapati, Bo Zhang, Aditya Jolly, Manav Kohli, Mingoo Seok, Harish Krishnaswamy, 
Gil ZussmanAuthors Info & Claims
Alon Simon Levin, Igor Kadota, Sasank Garikapati, Bo Zhang, Aditya Jolly, Manav Kohli, Mingoo Seok, Harish Krishnaswamy, Gil ZussmanAuthors Info & ClaimsPages 1170 - 1172
Abstract
We present a set of experiments utilizing wideband real-time adaptive full-duplex (FD) radios, demonstrating simultaneous transmission and reception on the same frequency channel. Each FD radio consists of a circulator-based antenna interface, a switched-capacitor delay-line-based configurable Radio-Frequency Integrated Circuit (RFIC) that implements Self-Interference Cancellation (SIC), an FPGA that optimizes the RFIC configuration in under 1.1 sec and can adapt to environmental changes in under 0.3 sec, and a Software-Defined Radio (SDR) transmitting OFDM-like packets. We demonstrate a real-time adaptive FD radio that achieves the SIC necessary to reach the noise floor across a wide bandwidth of 50 MHz. Then, we use two FD radios to create a wireless link and showcase the superior FD throughput.
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Index Terms
- Demo: Experimentation with Wideband Real-Time Adaptive Full-Duplex Radios
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Published In
September 2023
1217 pages
ISBN:9798400702365
DOI:10.1145/3603269
- Chairs:
- Henning Schulzrinne,
- Vishal Misra,
- Program Chairs:
- Eddie Kohler,
- David Maltz
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Published: 01 September 2023
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- Demonstration
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ACM SIGCOMM '23
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