wiki:DesignFDWiFi

Design and Characterization of a Full-duplex Multi-antenna System for WiFi networks

IEEE Transactions on Vehicular Technology - October 2012 (submitted)

Authors: Melissa Duarte, Ashutosh Sabharwal, Vaneet Aggarwal, Rittwik Jana, K. K. Ramakrishnan, Christopher Rice and N. K. Shankaranayanan

This work has been submitted to the IEEE for possible publication. Copyright may be transferred without notice, after which this version may no longer be accessible.

Abstract

In this paper, we present an experimental and simulation based study to evaluate the use of full-duplex as a mode in practical IEEE 802.11 networks. To enable the study, we designed a 20 MHz multi-antenna OFDM full-duplex physical layer and a full-duplex capable MAC protocol which is backward compatible with current 802.11. Our extensive over-the-air experiments, simulations and analysis demonstrate the following two results. First, the use of multiple antennas at the physical layer leads to a higher ergodic throughput than its hardware- equivalent multi-antenna half-duplex counterparts, for SNRs above the median SNR encountered in practical WiFi deployments. Second, the proposed MAC translates the physical layer rate gain into near doubling of throughput for multi-node single-AP networks. The two combined results allow us to conclude that there are potentially significant benefits gained from including a full-duplex mode in future WiFi standards.

Citation

@article{duarte2012_fullduplex_wifi,
  title={Design and Characterization of a Full-duplex Multi-antenna System for WiFi networks},
  author={Duarte, M. and Sabharwal, A. and Aggarwal, V. and Jana, R. and Ramakrishnan, K. and Rice, C. and Shankaranayanan, N.},
  journal={submitted to IEEE Transactions on Vehicular Technology},
  year={2012}, 
  month={October}, 
}
Last modified 5 years ago Last modified on Nov 20, 2012, 3:13:12 PM

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