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Delay Performance Analysis on Pure Relay and Cooperative Transmission

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2 Author(s)
Xiaoxiang Wang ; Sch. of Inf. Eng., BUPT, Beijing ; Yulong Wang

It has been well known that cooperative transmission provides a new scheme to implement MIMO spatial diversity and multiplexing in wireless networks, thus tradeoff between cooperative spatial diversity and multiplexing becomes a very important issue. In this paper, we propose to analyze the system delay behavior considering the difference between spatial diversity and multiplexing, in viewpoint of viewpoint of a pure relay system and cooperative transmission system. Theoretic analysis and simulation results show that, while a pure relay system tend to have much small processing delay, cooperative transmission systems are capable of deduce system delay to even smaller when the amount of messages exchange over the partner nodes is reasonable.

Published in:

Wireless Communications, Networking and Mobile Computing, 2008. WiCOM '08. 4th International Conference on

Date of Conference:

12-14 Oct. 2008