Title :
Maximum Spectral Efficiency of Amplify-and-Forward Cooperative Transmission with Multiple Relays
Author :
Kwon, Jae-Woo ; Ko, Young-Chai ; Yang, Hong-Chuan
Author_Institution :
Sch. of Electr. Eng., Korea Univ., Seoul, South Korea
fDate :
1/1/2011 12:00:00 AM
Abstract :
In this paper, we propose a new amplify-and-forward (AF) cooperative transmission scheme with adaptive modulation to maximize overall system spectral efficiency. We quantify the average spectral efficiency performance of the proposed scheme through statistical analysis based on an upper bound of the combiner output signal-to-noise ratio (SNR) and obtain the closed-form solutions for some practical scenarios of interest.
Keywords :
adaptive modulation; amplify and forward communication; signal processing; spectral analysis; statistical analysis; AF cooperative transmission scheme; SNR; adaptive modulation; amplify-and-forward cooperative transmission; average spectral efficiency performance; closed-form solutions; combiner output signal-to-noise ratio; maximum spectral efficiency; multiple relays; overall system spectral efficiency; statistical analysis; Bit error rate; Fading; Modulation; Protocols; Relays; Signal to noise ratio; Upper bound; Spectral efficiency; adaptive modulation; and Nakagami-m fading; communication with relays;
Journal_Title :
Wireless Communications, IEEE Transactions on
DOI :
10.1109/TWC.2010.110910.100603
