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On the Capacity Growth of Opportunistic Single-Relay Selection Using Quality-Based Feedback in Fixed-Gain Amplify-and-Forward Relaying
- Authors
- Shin, Eun-Hee; Kim, Dongwoo
- Issue Date
- Nov-2009
- Publisher
- Institute of Electrical and Electronics Engineers
- Keywords
- Opportunistic single-relay selection (OSRS); cooperative systems; asymptotic capacity; capacity upper bounds; quality-based channel state reporting (QBR)
- Citation
- IEEE Communications Letters, v.13, no.11, pp.835 - 837
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE Communications Letters
- Volume
- 13
- Number
- 11
- Start Page
- 835
- End Page
- 837
- ISSN
- 1089-7798
- Abstract
- In this letter, the capacity of simple opportunistic single-relay selection (OSRS) is addressed for a dual-hop cooperative network with a source, destination, and lots of possibly cooperative relays. We provide asymptotic lower and upper bounds on the capacity of OSRS. Quality-based channel state reporting (QBR) is used to avoid increases in the feedback load, especially when the number of relays is large. The numerical results show that QBR does not degrade the. capacity while it successfully reduces feedback.
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Related Researcher
- Kim, Dong woo
- ERICA 공학대학 (SCHOOL OF ELECTRICAL ENGINEERING)