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Power Allocation for Parallel Relaying System with Partial Channel State Information

Wei GUAN, Hanwen LUO, Chengyu LIN

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Summary :

We introduce a novel power allocation scheme for decode-and-forward relaying system with partial channel state (CSI) information, i.e., the source knows full CSI of source-relay link but only statistical CSI of source-destination and relay-destination links. Our objective is to minimize the outage probability by jointly allocating the transmit power between the source and relays. To avoid exhaustive search, the MAOP scheme and the MMS scheme are proposed to approach the optimal allocation in the high and low signal-to-noise ratio regimes, respectively.

Publication
IEICE TRANSACTIONS on Communications Vol.E92-B No.4 pp.1397-1400
Publication Date
2009/04/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E92.B.1397
Type of Manuscript
LETTER
Category
Wireless Communication Technologies

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