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Spectrum efficient cooperative relaying based on outage-multiplexing tradeoff analysis

Ko, Y, Vorobyov, S and Ardakani, M (2010) Spectrum efficient cooperative relaying based on outage-multiplexing tradeoff analysis In: IEEE, the 43th Asilomar Conf. on Signals, Systems, and Computers, 2009-11-01 - 2009-11-04, Pacific Grove, CA. USA.

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Spectrum efficient multiple relay selection strategy for two-hop cooperative decode-and-forward relay networks is proposed for the case when the sum power among all relay nodes is limited. Based on the outage-multiplexing tradeoff (OMT), the number of active relay nodes is maximized so that the resulting sum-relay capacity is maximized while each relay outage capacity remains greater than or equal to a certain target level. Using asymptotic analysis, it is shown that for the proposed OMT relaying strategy the associated multiplexing and cooperative system diversity gains improve proportionally with the number of active relay nodes. It is also shown analytically that the proposed OMT relaying outperforms the conventional opportunistic single relaying in terms of the sum-relay capacity.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Divisions : Surrey research (other units)
Authors :
Vorobyov, S
Ardakani, M
Date : 20 May 2010
DOI : 10.1109/ACSSC.2009.5470114
Contributors :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:35
Last Modified : 23 Jan 2020 17:57

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