Performance analysis for multi-source multi-relay transmission over κ-μ fading channels
Qian, Shen; He, Jiguang; Juntti, Markku; Matsumoto, Tad (2017-03-06)
S. Qian, J. He, M. Juntti and T. Matsumoto, "Performance analysis for multi-source multi-relay transmission over κ-μ fading channels," 2016 50th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, 2016, pp. 1308-1312. doi: 10.1109/ACSSC.2016.7869586
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https://urn.fi/URN:NBN:fi-fe2018062926676
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Abstract
We derive the outage probability of a multi-source multi-relay transmission system, where all the links experience κ-μ fading variations. The source-relay links are assumed to be non-orthogonal multiple access channels (MACs). Two transmission schemes are considered for relay-destination transmission, i.e., non-orthogonal maximum ratio transmission (MRT) and orthogonal transmission with joint-decoding (JD) at the destination. The outage probability is formulated by taking into consideration the different decoding results at the relays. It is found that, with or without the impact of line-of-sight (LOS) component or the number of multipath clusters in channels, the outage performance of the system with JD is superior to that with MRT. Furthermore, we investigate the impact of the geometric gain based relay location and power allocation for relays on the performance.
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