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Compute-and-Forward Two-Way Relaying [article]

Seyed Mohammad Azimi-Abarghouyi, Mohsen Hejazi, Masoumeh Nasiri-Kenari
2014 arXiv   pre-print
In this paper, a new two-way relaying scheme based on compute-and-forward (CMF) framework and relay selection strategies is proposed, which provides a higher throughput than the conventional two-way relaying  ...  feedback, named as Aligned Compute-and-Forward (A-CMF) reaches the bound in all SNRs.  ...  III COMPUTE AND FORWARD TWO WAY RELAYING In our proposed CMF based scheme, Multiple Access Broadcast (MABC) protocol for two way transmission is used [19] .  ... 
arXiv:1408.2855v2 fatcat:fqcnlchntncepix4gqfli7o24a

Compute-and-forward two-way relaying

Seyed Mohammad Azimi-Abarghouyi, Mohsen Hejazi, Masoumeh Nasiri-Kenari
2015 IET Communications  
In this paper, a new two-way relaying scheme based on compute-and-forward (CMF) framework and relay selection strategies is proposed, which provides a higher throughput than the conventional two-way relaying  ...  Index Terms-compute and forward, max compute-and-forward, aligned computeand-forward, feedback, two-way relaying, relay selection, outage probability, average sum rate, symbol error rate.  ...  III COMPUTE AND FORWARD TWO WAY RELAYING In our proposed CMF based scheme, Multiple Access Broadcast (MABC) protocol for two way transmission is used [19] .  ... 
doi:10.1049/iet-com.2014.0764 fatcat:isw4luxf45djhii7nxd5bxb7qq

Decode-forward and Compute-forward Coding Schemes for the Two-Way Relay Channel [article]

Peng Zhong, Mai Vu
2011 arXiv   pre-print
We consider the full-duplex two-way relay channel with direct link between two users and propose two coding schemes: a partial decode-forward scheme, and a combined decode-forward and compute-forward scheme  ...  When applied to the Gaussian channel, partial decode-forward can strictly increase the rate region over decode-forward, which is opposite to the one-way relay channel.  ...  CONCLUSION We have proposed two new coding schemes for the two-way relay channel: a partial decode-forward scheme and a combined decode-forward and compute-forward scheme.  ... 
arXiv:1108.3599v1 fatcat:iggwrwsnefejxilt7mbambutbu

Wireless Network-Coded Accumulate–Compute-and-Forward Two-Way Relaying

Srishti Shukla, Vijayvaradharaj Tirucherai Muralidharan, B. Sundar Rajan
2016 IEEE Transactions on Vehicular Technology  
We extend this approach to an Accumulate-Compute and Forward protocol which employs two phases: Multiple Access (MA) phase consisting of two channel uses with independent messages in each channel use,  ...  For the design of modulation schemes for the physical layer network-coded two way wireless relaying, it was observed by Koike-Akino et al. [4] that adaptively changing the network coding map used at the  ...  We call this strategy accumulate-compute and forward (ACF) protocol.  ... 
doi:10.1109/tvt.2015.2411511 fatcat:lu67amrr4jgkzdksrhy52ruiue

Wireless Network-Coded Accumulate-Compute and Forward Two-Way Relaying

Srishti Shukla, Vijayvaradharaj T. Muralidharan, B. Sundar Rajan
2012 2012 IEEE Vehicular Technology Conference (VTC Fall)  
We extend this approach to an Accumulate-Compute and Forward protocol which employs two phases: Multiple Access (MA) phase consisting of two channel uses with independent messages in each channel use,  ...  For the design of modulation schemes for the physical layer network-coded two way wireless relaying, it was observed by Koike-Akino et al. [4] that adaptively changing the network coding map used at the  ...  We call this strategy accumulate-compute and forward (ACF) protocol.  ... 
doi:10.1109/vtcfall.2012.6399167 dblp:conf/vtc/ShuklaMR12 fatcat:apgct32hrfen7c766hhck2cjvq

Wireless Network-Coded Accumulate-Compute and Forward Two-Way Relaying [article]

Srishti Shukla, Vijayvaradharaj T. Muralidharan, B. Sundar Rajan
2012 arXiv   pre-print
We extend this approach to an Accumulate-Compute and Forward protocol which employs two phases: Multiple Access (MA) phase consisting of two channel uses with independent messages in each channel use,  ...  The design of modulation schemes for the physical layer network-coded two way wireless relaying scenario is considered.  ...  We call this strategy accumulate-compute and forward (ACF) protocol.  ... 
arXiv:1201.0830v1 fatcat:vwguoy6thzasvkz6mbhxgctsuy

Joint compute and forward for the two way relay channel with spatially coupled LDPC codes

Brett Hern, Krishna Narayanan
2012 2012 IEEE Global Communications Conference (GLOBECOM)  
We consider the design and analysis of coding schemes for the binary input two way relay channel with erasure noise.  ...  The best known achievable rates for this problem can be achieved through either decode and forward or compute and forward relaying.  ...  INTRODUCTION We consider the two way relaying channel in which node A has data to send to node B and vice versa.  ... 
doi:10.1109/glocom.2012.6503465 dblp:conf/globecom/HernN12 fatcat:vd6dodusgjfg7h7h2zy7jbhcry

Efficient Compute-and-Forward Network Codes Search for Two-Way Relay Channel

Lili Wei, Wen Chen
2012 IEEE Communications Letters  
We consider the two-way relay channel (TWRC) with compute-and-forward network coding strategy. First a new lemma is proposed as network codes search criteria for TWRC.  ...  Numerical results demonstrate the effectiveness and complexity reduction of our proposed lemma and algorithm.  ...  In the first phase, two sources S 1 , S 2 transmit simultaneously to relay R, which can be modeled by a multiple-access channel with inputs x 1 , x 2 and output y R .  ... 
doi:10.1109/lcomm.2012.052112.120469 fatcat:htzg6apfbncp3f7r4ij2oogtr4

Multi Interference Analysis of Two-Way Full-Duplex Decode and Forward Relay System

Rathika M, Sivakumar P
2020 Procedia Computer Science  
To overcome its drawback like self interference, the outage performance analysis of Two way full duplex (FD) decode and forward relay system is carried out by considering residual self interference caused  ...  To overcome its drawback like self interference, the outage performance analysis of Two way full duplex (FD) decode and forward relay system is carried out by considering residual self interference caused  ...  Conclusion In this paper, we have analysed the Two Way Full Duplex Decode and Forward system which combined Full Duplex mode with Two Way relaying.  ... 
doi:10.1016/j.procs.2020.04.288 fatcat:cyaj7kiduvbaplu3kfkulnk5pe

Outage Probability Analysis of Decode-and-Forward Two-Way Relaying System with Energy Harvesting Relay

Hoang Van Toan, Tran Manh Hoang, Le The Dung, Hideyuki Takahashi
2020 Wireless Communications and Mobile Computing  
In this paper, we evaluate a two-way relay system consisting of two terminals and an intermediate relay.  ...  The relay utilizes energy harvesting technology to collect energy from the received signals of two terminals in the first two phases and then uses the obtained energy for signal transmission in the third  ...  three-phase two-way relay protocol.  ... 
doi:10.1155/2020/8886487 fatcat:xqs6uqhfr5eirdmlgwvmfunicy

A Study of Half-Duplex Asymmetric Two-Way Decode-and-Forward Relaying Using Relay Selection

Xiaodong Ji, Baoyu Zheng, Li Zou
2011 International Journal of Computer Network and Information Security  
Index Terms-Two-way relaying, decode-and-forward, outage probability, relay selection, asymmetric traffic  ...  This paper examines the information theoretic metric of outage probability for a decode-and-forward (DF) based asymmetric two-way relay transmission (i.e. the two source terminals have different target  ...  In order to compensate the spectral efficiency loss, two-way relaying based on the protocols of amplify-and-forward (AF) and decode-and-forward (DF) has been proposed [1] , [2] .  ... 
doi:10.5815/ijcnis.2011.05.01 fatcat:tym3ndtix5d75ojeh6hy6pshom

Low-complexity PHY-layer network coding for two-way compute-and-forward relaying

Koralia N. Pappi, George K. Karagiannidis, Dimitris Toumpakaris
2014 2014 IEEE Wireless Communications and Networking Conference (WCNC)  
We present a novel low-complexity technique that obtains the Physical-Layer Network Coding (PNC) equation coefficient vectors for the two-way relay channel when Computeand-Forward is employed.  ...  Although the method may at times exclude some candidate vectors from the search space, simulation results indicate that the effect on the achievable computation rate at the relay is very small.  ...  CONCLUSIONS In this paper, a low-complexity method was presented that uses look-up tables to perform PHY-layer network coding in two-way compute-and-forward relaying channels.  ... 
doi:10.1109/wcnc.2014.6952034 dblp:conf/wcnc/PappiKT14 fatcat:k6jx7vevmjgxdpruwdqiqba7w4

Optimum time-division in MIMO two-way decode-and-forward relaying systems

Jian Zhao, Marc Kuhn, Armin Wittneben, Gerhard Bauch
2008 2008 42nd Asilomar Conference on Signals, Systems and Computers  
We consider a multiple-input multiple-output (MIMO) two-way relaying system, where two wireless terminals exchange data via a half-duplex decode-and-forward (DF) relay.  ...  We characterize the achievable rate regions with optimum TD strategies between the two phases for the following two cases: One is under peak power constraint and the other is under average power constraint  ...  INTRODUCTION We consider the scenario that two wireless terminal nodes exchange data via a decode-and-forward (DF) relay terminal.  ... 
doi:10.1109/acssc.2008.5074670 fatcat:orluws2ky5dp3mhczqdaejvc2a

Two-way Communication for IEEE 802.11n WLANs Using Decode and Forward Relays

Marc Kuhn, Azadeh Ettefagh, Ingmar Hammerstrom, Armin Wittneben
2006 2006 Fortieth Asilomar Conference on Signals, Systems and Computers  
In this paper we investigate the integration of twoway decode-and-forward (2W DF) relaying in IEEE 802.11n WLANs.  ...  Two-way DF relaying is a signaling scheme recently proposed in [2] for half-duplex relays.  ...  In the following we review some details of the upcoming IEEE 802.11n standard and compare conventional DF relaying to Two-way DF relaying.  ... 
doi:10.1109/acssc.2006.354835 fatcat:qx3pzkdis5brxaytbv2hxzpqsq

Performance Analysis of Full-Duplex Decode-and-Forward Two-Way Relay System

Ganning He, Lixin Li, Jie Fan, Zihe Zhang, Xu Li, Zhibin Xu
2016 Proceedings of the 4th International Conference on Information Systems and Computing Technology   unpublished
The simulation results show that the full-duplex decode-and-forward two-way relaying (F2DF-TWR) system can achieve the bit error performance of the half-duplex decode-and-forward two-way relaying (H2DF-TWR  ...  This paper considers a full-duplex two-way relaying (FD-TWR) system, where two terminals transmit and receive simultaneously with the help of a full-duplex relay node.  ...  two-way-relay (F2DF-TWR) system under the influence of self-interference and we compare it with the half-duplex decodeand-forward two-way-relay (H2DF-TWR) system.  ... 
doi:10.2991/isct-16.2016.4 fatcat:qn7exyqjmvglvf5mxks4qm32jy
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