Adaptive Relay Selection and Data Transmission Scheme for Cooperative Communication

In this paper, an adaptive relay selection and transmission scheme are proposed for cooperative communication. As the conventional relay selection schemes, the best harmonic mean and the threshold-based relay selection scheme require channel state information (CSI) in advance at the source. By using...

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Bibliographic Details
Published in:Wireless personal communications 2016-11, Vol.91 (1), p.267-276
Main Authors: Ahn, Yeong-Seop, Choi, Sung-Bok, Jeon, Junpyo, Song, Hyoung-Kyu
Format: Article
Language:English
Subjects:
Adaptive systems
Channels
Communication
Communications Engineering
Computer Communication Networks
Data transmission
Engineering
Networks
Optimization
Personal communication
Reed-Solomon codes
Relay
Signal,Image and Speech Processing
Wireless communication
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Summary:In this paper, an adaptive relay selection and transmission scheme are proposed for cooperative communication. As the conventional relay selection schemes, the best harmonic mean and the threshold-based relay selection scheme require channel state information (CSI) in advance at the source. By using CSI, they can select the optimal or the sub-optimal relay. But, the source does not know CSI as a priori information in general environment. Additionally, the conventional system uses the fixed maximum throughput regardless of channel state. The proposed relay selection scheme does not require a priori information at the source. It uses a characteristic of Reed–Solomon codes. By using it, the source can select the optimal relay for cooperative communication. Additionally, the proposed adaptive transmission scheme can change the maximum throughput according to the result of optimal relay selection. By using the proposed relay selection and adaptive transmission scheme, the proposed system is more reliable and adaptable according to selected relay.
ISSN:0929-6212
1572-834X
DOI:10.1007/s11277-016-3459-6