Title :
Cooperative AF wireless relay strategy under relay power constraint
Author :
Kanghee Lee ; Kwon, Hyuck M. ; Sawan, Edwin M. ; Hyuncheol Park
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Wichita State Univ., Wichita, KS, USA
Abstract :
This paper presents an optimal relay amplifying matrix based on various schemes, such as zero-forcing (ZF) and minimum mean square error (MMSE), for a cooperative amplify-and-forward (AF) wireless relay network consisting of a one-source-one-destination pair with a single antenna and one relay with N antennas. The total relay transmission power constraint is employed. Even though different schemes and methods are applied to determine the optimal relay amplifying matrix, the identical one is derived. By adopting the derived optimal relay amplifying matrix, various analytical and numerical discussions, such as achievable rate (AR), are presented.
Keywords :
amplify and forward communication; cooperative communication; least mean squares methods; matrix algebra; relay networks (telecommunication); MMSE scheme; N antennas; achievable rate; cooperative AF wireless relay strategy; cooperative amplify-and-forward wireless relay network; minimum mean square error scheme; one-source-one-destination pair; optimal relay amplifying matrix; relay power constraint; total relay transmission power constraint; zero-forcing scheme; Bit error rate; Relays; Signal to noise ratio; Transmitting antennas; Vectors; Wireless communication; Matched-filter (MF); minimum mean square error (MMSE); zero-forcing (ZF);
Conference_Titel :
Signals, Systems and Computers, 2013 Asilomar Conference on
Conference_Location :
Pacific Grove, CA
Print_ISBN :
978-1-4799-2388-5
DOI :
10.1109/ACSSC.2013.6810262
