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Relay Cyclic Delay Diversity: Modeling & System Performance
Ericsson Research, Ericsson AB, Stockholm, Sweden. (Radio Communication Systems)
Ericsson Research, Ericsson AB, Stockholm, Sweden. (Radio Communication Systems)
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS. (Radio Communication Systems)ORCID iD: 0000-0001-9697-9978
Ericsson Research, Stockholm, Sweden.ORCID iD: 0000-0002-6026-322X
2007 (English)In: ICSPC: 2007 IEEE International Conference On Signal Processing And Communications, Vols 1-3, Proceedings, 2007, 25-28 p.Conference paper, Published paper (Refereed)
Abstract [en]

A cooperative communication scheme referred to as relay cyclic delay diversity (RCDD) is presented in this paper. The scheme is based on a set of distributed relay nodes (RNs) with each node associated with a certain cyclic shift in order to generate artificially multi-path diversity and equivalently frequency diversity. RCDD is an open loop scheme and the user terminal (UT) only needs to estimate an effective channel from all the RNs and not the channel from each RN. The effective channel induced by RCDD is frequency selective and can be exploited by a maximum signal to interference noise ratio (SINR) scheduler which improves substantially the system throughput. The SINR of the RCDD is derived analytically and the performance of the method is evaluated in a dynamic multi-cell multi-user simulator. The results show considerable SINR gains that translate into substantial cell throughput gains compared to 1-hop systems.

Place, publisher, year, edition, pages
2007. 25-28 p.
Keyword [en]
Cooperative communication, cyclic delay diversity, multipath diversity, multi-user diversity, OFDM, relay node, system performance
National Category
Telecommunications
Research subject
SRA - ICT
Identifiers
URN: urn:nbn:se:kth:diva-30603DOI: 10.1109/ICSPC.2007.4728246ISI: 000266406700007Scopus ID: 2-s2.0-60349101399ISBN: 978-1-4244-1235-8 (print)OAI: oai:DiVA.org:kth-30603DiVA: diva2:400935
Conference
IEEE International Conference on Signal Processing and Communications, Dubai, U Arab Emirates, NOV 24-27, 2007
Note

QC 20111004

Available from: 2011-02-28 Created: 2011-02-28 Last updated: 2016-05-23Bibliographically approved

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