Differential distributed space-time block code for two-way relay channel with physical-layer network coding

K. Zhu, A.G. Burr

Research output: Chapter in Book/Report/Conference proceedingChapter


In this contribution, we present a low-complexity differential cooperation scheme for communications over two-way relay channels. More specifically, a frame of Differential Phase- Shift Keying (DPSK) symbols is generated at the source nodes, while differential distributed space-time block coding (DDSTBC) scheme is invoked at each cooperating relay node. Since non-coherent detection can be carried out to recover the transmitted signals at both relay and destination nodes, it is not necessary to incorporate any channel estimation components in our proposed system. A selection relaying protocol based on CRC is utilized at the relay nodes to counteract the negative effects of error propagation. It is shown that full diversity order is still attainable at the destination nodes, even when the source-to-relay link is not protected by powerful channel codes with high computational complexity.
Original languageEnglish
Title of host publicationProgress in Electromagnetics Research Symposium
Publication statusPublished - 1 Jan 2012
EventProgress in Electromagnetics Research Symposium, PIERS 2012 - Kuala Lumpur, Malaysia
Duration: 27 Mar 201230 Mar 2012


ConferenceProgress in Electromagnetics Research Symposium, PIERS 2012
CityKuala Lumpur

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