Power Allocation for Cooperative Decode-and-Forward Transmission with Multiple Cooperative Relays and Multiple Received Antennas

doi:10.13190/jbupt.200806.104.194

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2008, Vol. 31 ›› Issue (6): 104-108.doi: 10.13190/jbupt.200806.104.194

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Power Allocation for Cooperative Decode-and-Forward Transmission with Multiple Cooperative Relays and Multiple Received Antennas

ZHANG Lu1, 2, CHUAI Gang1, 2, LIN Li-fan1, 2, WEN Xiao-jun1, 2

(1．School of Information and Telecommunication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China；2．Key Laboratory of Universal Wireless Communication(Beijing University of Posts and Telecommunications), Ministry of Education, Beijing 100876, China)

Received:2008-07-23 Revised:2008-09-24 Online:2008-12-31 Published:2008-12-31
Contact: Chuai Gang

Abstract

Abstract:

An analytical model based on multiple cooperative relays and multiple antennas at the destination in cooperative communication is presented. An approximate method is derived for analysis of the power allocation between the multiple relay nodes and the source node, so the transforming logarithmic operation into linear operation becomes very. Analysis and simulation demonstrate that there exists an optimal power allocation (OPA) parameter when the system model is determined. The effect signal-to-noise ratio (SNR) on the OPA parameter is also shown.

Key words: cooperative communication, virtual multiple-input multiple-output, outage probability, power allocation

CLC Number:

TN803.4

ZHANG Lu1, 2, CHUAI Gang1, 2, LIN Li-fan1, 2, WEN Xiao-jun1, 2

. Power Allocation for Cooperative Decode-and-Forward Transmission with Multiple Cooperative Relays and Multiple Received Antennas[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2008, 31(6): 104-108.

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Power Allocation for Cooperative Decode-and-Forward Transmission with Multiple Cooperative Relays and Multiple Received Antennas

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