Downlink node cooperation with node selection diversity

We examine the downlink of wireless communication systems with receiver cooperation. The cooperative utilization among closely-located receiver nodes is referred to as cooperative receiving, which behaviors similar to multiple-antenna receiving. To realize the "cooperative diversity", a gr...

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Bibliographic Details
Main Authors: Jeongkeun Lee, Sungjin Kim, Hari Suman, Taekyoung Kwon, Yanghee Choi, Jaewook Shin, Aesoon Park
Format: Conference Proceeding
Language:English
Subjects:
Bluetooth
Cellular phones
Clustering algorithms
Costs
Downlink
MIMO
Multiaccess communication
Receiving antennas
Signal processing algorithms
Wireless communication
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Summary:We examine the downlink of wireless communication systems with receiver cooperation. The cooperative utilization among closely-located receiver nodes is referred to as cooperative receiving, which behaviors similar to multiple-antenna receiving. To realize the "cooperative diversity", a group of receiver nodes are first to form a cluster, which necessitates a node selection algorithm. The operation of such node selection is similar to antenna selection in multiple-input multiple-output (MIMO) systems, except that relaying (or cooperation) cost should be considered. We propose a few node selection algorithms appropriate for receiver cooperative downlink systems. Simulation results indicate that the performance of the node selection algorithms is significantly dependent on the distances among receiver nodes.
ISSN:1550-2252
DOI:10.1109/VETECS.2005.1543568