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Analysis of the expected error performance of cooperative wireless networks employing distributed space-time codes
University of Kiel. (Information and Coding Theory Lab)
University of Kiel. (Institute for Circuits and Systems Theory)ORCID-id: 0000-0001-9307-484X
University of Kiel. (Information and Coding Theory Lab)
2004 (Engelska)Ingår i: IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE, 2004, s. 2854-2858Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

In this paper, typical uplink scenarios in a cellular system are considered, where two cooperating mobile stations (serving, for example, as mobile relays) are transmitting the same information to a base station by using a distributed space-time coding scheme. Due to the distributed nature of the system, the transmitted signals are typically subject to different average path losses. For fixed distances between the mobile stations and the base station, the error performance of the distributed space-time coding scheme is determined analytically. Then, based on considerations concerning the spatial distribution of the mobile stations, analytical expressions for the distribution of the average path losses are derived and verified by means of simulations. These results are then used in order to compute the expected error performance of the system. It is shown that in most scenarios the average performance loss compared to a conventional multiple-antenna system with colocated antennas is less than 2 dB at a bit error rate of 10(-3). The most significant performance losses occur for a large path-loss exponent.

Ort, förlag, år, upplaga, sidor
2004. s. 2854-2858
Serie
IEEE Global Telecommunications Conference (Globecom), ISSN 1930-529X
Nyckelord [en]
wireless communications, cooperative networks, distributed space-time codes
Nationell ämneskategori
Annan data- och informationsvetenskap
Identifikatorer
URN: urn:nbn:se:kth:diva-29014ISI: 000226689900534Scopus ID: 2-s2.0-18144422769OAI: oai:DiVA.org:kth-29014DiVA, id: diva2:394861
Konferens
IEEE Global Telecommunications Conference (GLOBECOM 04), Dallas, TX, NOV 29-DEC 03, 2004
Anmärkning

QC 20110204

Tillgänglig från: 2011-02-04 Skapad: 2011-01-25 Senast uppdaterad: 2018-01-12Bibliografiskt granskad

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