Advances in relay networks: performance and capacity analysis of space-time analog network coding

Authors:
Shujaat Ali Khan Tanoli;Imran Khan;Nandana Rajatheva;Fumiyuki Adachi
Affiliations:
School of Engineering and Technology, Asian Institute of Technology Pathumthani, Thailand;School of Engineering and Technology, Asian Institute of Technology Pathumthani, Thailand;School of Engineering and Technology, Asian Institute of Technology Pathumthani, Thailand;Graduate School of Engineering, Tohoku University, Sendai, Japan
Venue:
EURASIP Journal on Wireless Communications and Networking
Year:
2010

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Abstract

We propose modified space-time-coding-based analog network coding (ANC) for multiple-relay network, termed space-time analog network coding (STANC). We present the performance and capacity analysis of the proposed network in terms of SER and ergodic capacity. We derive the closed-form expressions for the moment-generating function (MGF) of the equivalent signal-tonoise ratio (SNR) of the multiple-relay STANC network over independent and identically distributed (i.i.d.) Rayleigh, Nakagami, and Rician channels. Average SER of the system is evaluated using MGF-based approach. We further derive the approximate closed-form expressions of ergodic capacity. These expressions are simple and enable effective evaluation of the performance and capacity of STANC system.