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Journal Article
Downlink Node Cooperation with Node Selection Diversity
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- Authors
- Jeongkeun Lee, Sungjin Kim, Hari Suman, Taekyoung Kwon, Yanghee Choi, Jaewook Shin, Aesoon Park
- Issue Date
- 2005-05
- Citation
- Vehicular Technology Conference (VTC) 2005 (Fall), v.3, pp.1-5
- ISSN
- ISSN없음
- Language
- English
- Type
- Journal Article
- Abstract
- 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.