Full-duplex MIMO relaying: Achievable rates under limited dynamic range

Brian P. Day, Adam R. Margetts, Daniel Bliss, Philip Schniter

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

In this paper we consider the problem of full-duplex multiple-input multiple-output (MIMO) relaying between multi-antenna source and destination nodes. The principal difficulty in implementing such a system is that, due to the limited attenuation between the relay's transmit and receive antenna arrays, the relay's outgoing signal may overwhelm its limited-dynamic-range input circuitry, making it difficult - if not impossible - to recover the desired incoming signal. While explicitly modeling transmitter/receiver dynamic-range limitations and channel estimation error, we derive tight upper and lower bounds on the end-to-end achievable rate of decode-and-forward-based full-duplex MIMO relay systems, and propose a transmission scheme based on maximization of the lower bound. The maximization requires us to (numerically) solve a nonconvex optimization problem, for which we detail a novel approach based on bisection search and gradient projection. To gain insights into system design tradeoffs, we also derive an analytic approximation to the achievable rate and numerically demonstrate its accuracy.

Original languageEnglish (US)
Title of host publicationConference Record - Asilomar Conference on Signals, Systems and Computers
Pages1290-1294
Number of pages5
DOIs
StatePublished - 2012
Externally publishedYes
Event46th Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2012 - Pacific Grove, CA, United States
Duration: Nov 4 2012Nov 7 2012

Other

Other46th Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2012
CountryUnited States
CityPacific Grove, CA
Period11/4/1211/7/12

Fingerprint

Channel estimation
Antenna arrays
Transceivers
Systems analysis
Antennas

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Signal Processing

Cite this

Day, B. P., Margetts, A. R., Bliss, D., & Schniter, P. (2012). Full-duplex MIMO relaying: Achievable rates under limited dynamic range. In Conference Record - Asilomar Conference on Signals, Systems and Computers (pp. 1290-1294). [6489232] https://doi.org/10.1109/ACSSC.2012.6489232

Full-duplex MIMO relaying : Achievable rates under limited dynamic range. / Day, Brian P.; Margetts, Adam R.; Bliss, Daniel; Schniter, Philip.

Conference Record - Asilomar Conference on Signals, Systems and Computers. 2012. p. 1290-1294 6489232.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Day, BP, Margetts, AR, Bliss, D & Schniter, P 2012, Full-duplex MIMO relaying: Achievable rates under limited dynamic range. in Conference Record - Asilomar Conference on Signals, Systems and Computers., 6489232, pp. 1290-1294, 46th Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2012, Pacific Grove, CA, United States, 11/4/12. https://doi.org/10.1109/ACSSC.2012.6489232
Day BP, Margetts AR, Bliss D, Schniter P. Full-duplex MIMO relaying: Achievable rates under limited dynamic range. In Conference Record - Asilomar Conference on Signals, Systems and Computers. 2012. p. 1290-1294. 6489232 https://doi.org/10.1109/ACSSC.2012.6489232
Day, Brian P. ; Margetts, Adam R. ; Bliss, Daniel ; Schniter, Philip. / Full-duplex MIMO relaying : Achievable rates under limited dynamic range. Conference Record - Asilomar Conference on Signals, Systems and Computers. 2012. pp. 1290-1294
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