Performance Analysis of Orthogonal Frequency Division Multiplexing Based Bidirectional Relay Network in the Presence of Phase Noise
- 1 Department of Electronics and Communication Engineering, TIFAC CORE in Wireless Technologies, Thiagarajar College of Engineering, Madurai-625 015, India
Abstract
In this study, the performance of OFDM based bidirectional relay network which employs Physical Layer Network Coding (PLNC) is analyzed in the presence of phase noise. The bidirectional relay network is assumed to consist of two sources and a relay, where each node has a single antenna and operates in half duplex mode. The PLNC based OFDM system transmits high data streams over numerous sub channels in frequency domain. Each sub channel is a narrow band flat fading channel, thereby achieving high spectral efficiency over wide band channels. In practice, phase noise is introduced with the information symbols transmitted on all subcarriers in OFDM transceiver. The influence of phase noise on the received signals are analyzed at both the Multiple Access Channel (MAC) and at the Broadcast Channel (BC) environments.
DOI: https://doi.org/10.3844/ajassp.2013.1335.1344
Copyright: © 2013 V. N. Senthil Kumaran, S. Rajkumar and S. J. Thiruvengadam. This is an open access article distributed under the terms of the
Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Keywords
- Bidirectional Relay Network
- Physical Layer Network Coding (PLNC)
- Orthogonal Frequency Division Multiplexing (OFDM)
- Phase Noise
- Multiple Access Channel (MAC)
- Broadcast Channel (BC)