Two-way relaying using constant envelop modulation and phase-superposition- phase-forward

Tan Huai, Paul Ho, Sami Muhaidat

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this paper we propose the idea of Phase-Superposition-Phase-Forward (PSPF) relaying for 2-way 3-phase cooperative network involving constant envelop modulation with discriminator detection in a time-selective Rayleigh fading environment. A semi-analytical expression for the bit-error-rate (BER) of the system is derived and comparison with one-way relay is made. Preliminary results indicate that 2-way relaying with PSPF suffers only a moderate loss in energy efficiency (of 1.25 dB) when compared to its one-way relaying counterpart. We attribute the loss to non-optimal power allocation amongst the three nodes in the system. On the other hand, PSPF improves the transmission efficiency by 33% and it offers a way to avoid expensive linear power amplifiers and complicated signal processing at the relay. It is thus a viable alternative to some of the 2-way relaying techniques in the literature.

Original languageBritish English
Title of host publication2010 IEEE 72nd Vehicular Technology Conference Fall, VTC2010-Fall - Proceedings
DOIs
StatePublished - 2010
Event2010 IEEE 72nd Vehicular Technology Conference Fall, VTC2010-Fall - Ottawa, ON, Canada
Duration: 6 Sep 20109 Sep 2010

Publication series

NameIEEE Vehicular Technology Conference
ISSN (Print)1550-2252

Conference

Conference2010 IEEE 72nd Vehicular Technology Conference Fall, VTC2010-Fall
Country/TerritoryCanada
CityOttawa, ON
Period6/09/109/09/10

Keywords

  • 2-way relay
  • Constant envelop modulation
  • Cooperative transmission
  • Discriminator detection
  • Phase-forward

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