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Distributed Compute-and-Forward Based Relaying Strategies in Multi-User Multi-Relay Networks [article]

Seyed Mohammad Azimi-Abarghouyi, Mohsen Hejazi, Masoumeh Nasiri-Kenari
2015 arXiv   pre-print
In this paper, we propose different practical distributed schemes to solve the rank failure problem in the compute and forward (CMF)-based multi-user multi-relay networks without central coordinator, in  ...  Then, as the second scheme, amplify-forward and compute (AFC) is introduced in which the equations are recovered in the destination rather than in the relays.  ...  System Model We consider a multi-user multi-relay cooperative network, shown in Fig. 1 [18] , consisting of L users, M relays and one common destination.  ... 
arXiv:1408.2854v4 fatcat:si63pu7iobawtmhymc6bzqk7mq

Multi User Performance On Mc Cdma Single Relay Cooperative System By Distributed Stbc In Rayleigh Fading Channel

Gelar Budiman, Ali Muayyadi, Rina Pudji Astuti
2015 International Journal of Computer Networks & Communications  
In this research, MIMO by STBC is applied to single antenna system (Distributed-STBC/DSTBC) with multi carrier CDMA on multi hop wireless communication system (relay diversity) which is able to improve  ...  To reach BER 10-3 multi hop system with MC CDMA needs more power 5 dB than MC DS CDMA at 5 users using Alamouti scheme for symbol transmission at the relay.  ...  Multi user model which is designed in this simulation is assumed only the summation of the signal sent from the relays.  ... 
doi:10.5121/ijcnc.2015.7111 fatcat:flziqgtkbzhwdeqcrcz2ucned4

Admission control-based joint bandwidth and power allocation in multi-user DF relay networks

Xiaowen Gong, Sergiy A. Vorobyov, Chintha Tellambura
2010 2010 Conference Record of the Forty Fourth Asilomar Conference on Signals, Systems and Computers  
Joint bandwidth and power allocation in wireless multi-user decode and forward relay networks is proposed in this paper for maximizing the number of admissible users.  ...  Efficient allocation of available radio resources is one of the critical issues for improving wireless multi-user relay network performance.  ...  CONCLUSION Admission control for joint bandwidth and power allocation has been proposed for wireless multi-user DF relay networks.  ... 
doi:10.1109/acssc.2010.5757835 fatcat:53aadjwye5f3bcob4ccyviyfpu

Optimal Routing for Multi-user Multi-hop Relay Networks via Dynamic Programming [article]

Shalanika Dayarathna, Rajitha Senanayake, Jamie Evans
2022 arXiv   pre-print
In this paper, we study the relay selection problem in multi-user, multi-hop relay networks with the objective of minimizing the maximum outage probability across all users.  ...  This solution breaks down in the multi-user scenario due to dependence between users. We resolve this challenge using a novel relay aggregation approach.  ...  While these approaches provide interesting solutions in single-user networks, work on multi-user relay networks is still limited.  ... 
arXiv:2203.00213v3 fatcat:zdnghw74jrcvvgnxp42ipn3i4m

Generalized Wireless Network Coding Schemes for Multihop Two-Way Relay Channels

Gengkun Wang, Wei Xiang, Jinhong Yuan
2014 IEEE Transactions on Wireless Communications  
Finally, this study extends the research on WNC one step forward from two-user networks to multi-user networks.  ...  An extended CPF joint with a dominated solution for maximizing the overall computation rate is proposed for the multi-way relay channel (mRC) in the last chapter.  ...  in Generalized Two-Way Multi-Hop Networks," in Proc.  ... 
doi:10.1109/twc.2014.2336652 fatcat:rx4wyjocdfahfobej27qvrcimu

Diffie-Hellman key distribution in wireless multi-way relay networks

Ronald Y. Chang, Sian-Jheng Lin, Wei-Ho Chung
2013 2013 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference  
This paper considers the extension of the original two-party Diffie-Hellman protocol to multi-party key distribution in wireless multi-way relay networks where multiple users can only communicate with  ...  Index Terms-Diffie-Hellman protocol, secret key distribution, multi-way relay networks.  ...  NEW DIFFIE-HELLMAN PROTOCOLS FOR MULTI-WAY RELAY NETWORKS We consider a multi-way relay network with ( ≥ 2) users.  ... 
doi:10.1109/apsipa.2013.6694207 dblp:conf/apsipa/ChangLC13a fatcat:isk6putrrzdjjo3dzyho244onq

Performance Analysis of Multi Hop Relay Network in Rayleigh Fading
english

Ankit Dalela, Dr. Himanshu Katiyar
2015 International Journal of Innovative Research in Computer and Communication Engineering  
Closed form expressions of BER have been established in [16] for two-hop multi antenna cooperative relay network in Rayleigh fading channel.  ...  Coding strategies that exploit node cooperation has been developed in [8] for relay networks. Outage probability of multi-hop amplify and forward relay system has been analyzed in [9] .  ...  An amplify and forward relay network has been studied in [20] , where a source communicates with the user having best channel conditions through an intermediate relay that serves to multiple users.  ... 
doi:10.15680/ijircce.2015.0302039 fatcat:josgskpjonfxxalhn5xcohaaqu

Improved Model of the Selection with Soft- and Hard-Combining Decoding Strategies for Multi-User Multi-Relay Cooperative Networks

Nasaruddin Nasaruddin, Yunida Yunida, Khairul Munadi
2016 International Journal of Electrical and Computer Engineering (IJECE)  
However, the network model cannot act as a virtual multiple-input multiple-output system, and a multi-user multi-relay network model could be used in a real system.  ...  The use of NC in cooperative networks has been intensively studied in previous works in terms of the conventional model for two users and a single relay in a network.  ...  Performance comparison of two-user single relay and multi-user multi-relay cooperative networks Performance of two-user single-relay and multi-user multi-relay NC Impact of modulation on the performance  ... 
doi:10.11591/ijece.v6i4.10725 fatcat:2tt7uirhvbb4vahdnopr56kmcq

Analog network coding for multi-user spread-spectrum communication systems

Georges Kaddoum, Pascal Giard
2014 2014 IEEE Wireless Communications and Networking Conference (WCNC)  
This work presents another look at an analog network coding scheme for multi-user spread-spectrum communication systems.  ...  The relay has two roles, it synchronizes network transmissions and it broadcasts the combined signals received from users.  ...  In the second time slot, or during the broadcasting phase, the relay retransmits the summed received signals to all users in the network.  ... 
doi:10.1109/wcnc.2014.6952033 dblp:conf/wcnc/KaddoumG14 fatcat:ooqpwpkjnbgp7ae6opb7uuftlq

Transmission Protocol Design for Binary Physical Network Coded Multi-Way Relay Networks

Ronald Y. Chang, Sian-Jheng Lin, Wei-Ho Chung
2014 2014 IEEE 79th Vehicular Technology Conference (VTC Spring)  
This paper considers a multi-way relay network in which multiple users intend to achieve full information exchange with one another with the aid of a single relay.  ...  Index Terms-Physical-layer network coding, denoise-andforward, multi-way relaying, communication protocol, tree representation.  ...  Fig. 1 . 1 A wireless multi-way relay network with K = 5 users.  ... 
doi:10.1109/vtcspring.2014.7023129 dblp:conf/vtc/ChangLC14 fatcat:xmyfhoolifglre7fkt6q2uyqme

The Throughput for Multi-hop Relay Wireless Sensor Network Based on Cooperative Diversity

Genjian Yu, Jinglan Wu
2017 DEStech Transactions on Computer Science and Engineering  
for discussing further the application effect of the technical scheme such as the cooperative selection strategy and so on in actual multi-hop multi-relay wireless sensor network.  ...  This paper studied the problem of the throughput of multi-hop multi-relay wireless sensor network based on the cooperative diversity technology.  ...  model of wireless sensor network, which is multi-source relay, is set up.  ... 
doi:10.12783/dtcse/iceiti2016/6183 fatcat:3gpc6ctkwnajtpal7rx3t7ps7u

QBCO and NSQBCO Based Multi-User Single-Relay Selection Scheme in Cooperative Relay Networks

Jizheng Li, Ming Diao
2016 International Journal of Signal Processing, Image Processing and Pattern Recognition  
In cooperative relay networks with multiple users and multiple potential relays, which relay nodes are selected has great impact on the system performance.  ...  The exhaustive search can solve this problem but the complexity will increase factorially with the network size, i.e., the number of users and the number of relays in the network.  ...  Typical multi-user relay networks include ad hoc, sensor and mesh networks.  ... 
doi:10.14257/ijsip.2016.9.7.36 fatcat:tkl6q45thncqha6fcqkxgk5yeq

OPPORTUNISTIC CONTENT DISSEMINATION IN INTERMITTENT MULTI-HOP DEVICE-TO-DEVICE NETWORK

Yong Zhang, Xiaojin Zhou, Jin Li, Xiaomei Zhang, Mei Song
2018 International Journal of Robotics and Automation  
Multi-hop device-to-device (D2D) transmission can offload traffic from cellular networks. The nodes in a multi-hop D2D network cannot constantly maintain connectivity for the entire network.  ...  A hybrid network that includes integrated cellular links and intermittent multi-hop D2D links is a novel architecture.  ...  The network architecture in these works has entire network connectivity, just like mobile ad hoc networks (MANETs) or multi-hop relay networks, which is contrary to actual conditions.  ... 
doi:10.2316/journal.206.2018.5.206-0057 fatcat:zxqczz55vfdohizkprjgatitci

Performance Enhancement of Cooperative Cognitive Relay Network using Multi Antennas Multi Hopping Techniques

Nada Ebaid, Mona Shokair, Sami A.
2016 International Journal of Computer Applications  
In this paper, two systems will be introduced to improve the performance of Cooperative Cognitive Relay Network (CCRN).  ...  Keywords Compress and forward relay, decode and forward relay, multiantennas, multi-hopping and cognitive radio network.  ...  MULTI-ANTENNAS MULTI-HOPPING SYSTEM MODEL In CCRN using secondary users as cooperative relays with multi-antennas to relay the signal of Pu will achieve the advantages of spatial diversity which is a powerful  ... 
doi:10.5120/ijca2016910430 fatcat:zu6fr6ckvjhzrcznpu6dgn3xym

Ieee Access Special Section Editorial: Advances in Signal Processing for Non-Orthogonal Multiple Access

Miaowen Wen, Zhiguo Ding, Ertugrul Basar, Yuanwei Liu, Fuhui Zhou, Ioannis Krikidis, Mojtaba Vaezi, H. Vincent Poor
2020 IEEE Access  
The article by Lin et al., ''Secure computation efficiency maximization in NOMA-Enabled mobile edge computing networks,'' studies a secure computation efficiency maximization problem in a multi-user NOMA-enabled  ...  mobile edge computing network, where physical layer security is used to prevent multi-user computing tasks from eavesdropping.  ... 
doi:10.1109/access.2020.3014712 fatcat:pxlmkmw3r5delfd5we3fmfvv54
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