Interference Mitigation and Joint Decoding for Uplink LDPC-Coded Relay Cooperation

TANG Lei; YANG Fengfan; ZHANG Shunwai; XU Hongjun; MA Yuhua

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Article Navigation > Chinese Journal of Electronics > 2013 > 22(4): 813-819

TANG Lei, YANG Fengfan, ZHANG Shunwai, et al., “Interference Mitigation and Joint Decoding for Uplink LDPC-Coded Relay Cooperation,” Chinese Journal of Electronics, vol. 22, no. 4, pp. 813-819, 2013,

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TANG Lei, YANG Fengfan, ZHANG Shunwai, et al., “Interference Mitigation and Joint Decoding for Uplink LDPC-Coded Relay Cooperation,” Chinese Journal of Electronics, vol. 22, no. 4, pp. 813-819, 2013,

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Interference Mitigation and Joint Decoding for Uplink LDPC-Coded Relay Cooperation

1.
College of Electronics and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China;
2.
Department of Electrical, Electronic and Computer Engineering, University of Kwa-Zulu Natal, Durban, South Africa

Funds: This work is supported by the Science and Technology on Avionics Integration Laboratory and National Aeronautical Science Foundation of China (No.20105552).

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Corresponding author: TANG Lei, YANG Fengfan
Received Date: 2012-06-01
Rev Recd Date: 2012-11-01
Publish Date: 2013-09-25

Abstract

Abstract

This paper proposes an efficient interference mitigation and joint decoding scheme for uplink LDPC-coded relay cooperation over a Rayleigh fading channel, where a concatenation ofMinimum-mean-squared error linear detectors (MMSE) and BP-based joint iterative decoding based on the introduced treble-layer Tanner graph are effectively designed t ofilter and decode the corrupted received sequence at a base station. It is demonstrated by theoretical analysis and numerical simulations that the proposed design can well combine the gains from coding and diversity, which consequently leads to a significant performance improvement over the conventional cooperation system under the same conditions.
- Coded cooperation,
- Low-density paritycheck (LDPC) codes,
- Minimum-mean-squared error detection,
- Joint decoding,
- Treble-layer Tanner graph,
- Multipleinput multiple-output (MIMO)

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References(12)

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