Performance analysis of multiple access relay channels for non-coherent modulations

Abstract One of the most important applications of network coding is the Multiple Access Relay Channel (MARC) technique in which source terminals transmit independent data blocks over one or more relay terminals to a common destination terminal. In recent years, MARC has become one of the vital network coding applications in the area of innovative wireless cooperative communications for enhancing spectral efficiency. In this paper, non-coherent binary frequency shift keying (BFSK) modulation and differential binary phase shift keying (DPSK) modulation techniques are applied to the decode-and-forward (DF)-based MARC model and the average bit error rate (BER) of the proposed system is derived theoretically by using the maximum likelihood (ML) decision rule. The simulation results show that the BER performance of DPSK modulation is better than the non-coherent BFSK and full diversity gain is achieved in both modulation techniques. We also propose a power allocation scheme for the proposed system model which optimizes the power allocated to the source and relay transmissions. Depending on the location of the relay, performance gains up to 1.25 dB are achieved with the proposed optimum power allocation (OPA) scheme. Also, the mathematical derivations are verified through Monte-Carlo simulations and the superior performance of the OPA over equal power allocation (EPA) is observed.

[1]  Jun Li,et al.  Design of Generalized Analog Network Coding for a Multiple-Access Relay Channel , 2015, IEEE Transactions on Communications.

[2]  Xiaofeng Tao,et al.  An overview of cooperative communications , 2012, IEEE Communications Magazine.

[3]  Sachin Katti,et al.  Network coded wireless architecture , 2008 .

[4]  Richard Demo Souza,et al.  Energy Efficient Power Allocation Schemes for a Two-User Network-Coded Cooperative Cognitive Radio Network , 2016, IEEE Transactions on Signal Processing.

[5]  Seong Hwan Kim,et al.  Transmit Power Optimization for Two-Way Relay Channels With Physical-Layer Network Coding , 2015, IEEE Communications Letters.

[6]  Manav R. Bhatnagar Decode-and-Forward-Based Differential Modulation for Cooperative Communication System With Unitary and Nonunitary Constellations , 2012, IEEE Transactions on Vehicular Technology.

[7]  Ming Xiao,et al.  Full-Duplex Two-Way and One-Way Relaying: Average Rate, Outage Probability, and Tradeoffs , 2016, IEEE Transactions on Wireless Communications.

[8]  Wenbo Wang,et al.  A network coding scheme for the multiple access full-duplex relay networks , 2011, 2011 6th International ICST Conference on Communications and Networking in China (CHINACOM).

[9]  Ghosheh Abed Hodtani,et al.  Multiple Access Relay Channel With Relay-Sources Feedback , 2018, IEEE Access.

[10]  S. N. Merchant,et al.  Exact Analysis of the Piecewise Linear Combiner for Decode and Forward Cooperation with Three Relays , 2011, IEEE Transactions on Wireless Communications.

[11]  Raphaël Visoz,et al.  Joint network-channel distributed coding for the multiple access full-duplex relay channel , 2010, International Congress on Ultra Modern Telecommunications and Control Systems.

[12]  Anthony Ephremides,et al.  Relay-Assisted Multiple Access With Full-Duplex Multi-Packet Reception , 2013, IEEE Transactions on Wireless Communications.

[13]  Il-Min Kim,et al.  Outage Probability and Optimum Power Allocation for Analog Network Coding , 2011, IEEE Transactions on Wireless Communications.

[14]  Andrea J. Goldsmith,et al.  Joint Relaying and Network Coding in Wireless Networks , 2007, 2007 IEEE International Symposium on Information Theory.

[15]  Haci Ilhan,et al.  Link adaptive relaying with noncoherent BFSK and DPSK modulations in multiple access relay channels , 2015, 2015 Wireless Telecommunications Symposium (WTS).

[16]  Haci Ilhan,et al.  Network coded noncoherent cooperative communications , 2014, 2014 22nd Signal Processing and Communications Applications Conference (SIU).

[17]  Arghyadip Roy,et al.  Reliability benefit of network coding and cooperative communication , 2018, Phys. Commun..

[18]  Özgür Gürbüz,et al.  Half-duplex or full-duplex relaying: A capacity analysis under self-interference , 2013, 2013 47th Annual Conference on Information Sciences and Systems (CISS).

[19]  Md. Shariful Islam,et al.  Cooperative Communication In Wireless Networks , 2013 .

[20]  Hanan Al-Tous,et al.  Resource Allocation for Multiple-Sources Single-Relay Cooperative Communication OFDMA Systems , 2016, IEEE Transactions on Mobile Computing.

[21]  Gregory W. Wornell,et al.  Cooperative diversity in wireless networks: Efficient protocols and outage behavior , 2004, IEEE Transactions on Information Theory.

[22]  Seong Ro Lee,et al.  Power allocation and subcarrier assignment for joint delivery of unicast and broadcast transmissions in OFDM systems , 2016, Journal of Communications and Networks.

[23]  Lajos Rónyai,et al.  Diversity Coding in Two-Connected Networks , 2017, IEEE/ACM Transactions on Networking.

[24]  J. Nicholas Laneman,et al.  Modulation and demodulation for cooperative diversity in wireless systems , 2006, IEEE Transactions on Wireless Communications.

[25]  A. J. Han Vinck,et al.  Relay selection in cooperative power line communication: A multi-armed bandit approach , 2017, Journal of Communications and Networks.

[26]  Christos V. Verikoukis,et al.  Analog Network Coding in the Multiple Access Relay Channel: Error Rate Analysis and Optimal Power Allocation , 2015, IEEE Transactions on Wireless Communications.

[27]  Julian Cheng,et al.  Weighted Selection Combinings for Differential Decode-and-Forward Cooperative Networks , 2017, IEEE Signal Processing Letters.