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相关论文: Cooperative Transmission Protocols with High Spect…

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In this paper, we propose a new relaying protocol for large multihop networks combining the concepts of cooperative diversity and opportunistic relaying. The cooperative relaying protocol is based on two diversity mechanisms, incremental…

信息论 · 计算机科学 2015-08-11 Amogh Rajanna , Mos Kaveh

Relay-based cooperative communication has become a research focus in recent years because it can achieve diversity gain in wireless networks. In existing works, network coding and two-path relay are adopted to deal with the increase of…

信息论 · 计算机科学 2013-04-09 Hao Lu , Peilin Hong , Kaiping Xue

The technique of cooperative communications is finding its way in the next generations of many wireless communication applications. Due to the distributed nature of cooperative networks, acquiring fading channels information for coherent…

信息论 · 计算机科学 2014-08-18 M. R. Avendi

Cooperation between the nodes of wireless multihop networks can increase communication reliability, reduce energy consumption, and decrease latency. The possible improvements are even greater when nodes perform mutual information…

信息论 · 计算机科学 2009-08-27 Stark C. Draper , Lingjia Liu , Andreas F. Molisch , Jonathan S. Yedidia

We study an incremental redundancy (IR) cooperative coding scheme for wireless networks. To exploit the spatial diversity benefit we propose a cluster-based collaborating strategy for a quasi-static Rayleigh fading channel model and based…

信息论 · 计算机科学 2007-07-13 Ruoheng Liu , Predrag Spasojevic , Emina Soljanin

In recent years, network coding has emerged as an innovative method that helps wireless network approaches its maximum capacity, by combining multiple unicasts in one broadcast. However, the majority of research conducted in this area is…

网络与互联网体系结构 · 计算机科学 2018-01-09 Somayeh Kafaie , Yuanzhu Chen , Mohamed Hossam Ahmed , Octavia A. Dobre

In a cooperative coding scheme, network nodes work together to achieve higher transmission rates. To obtain a better understanding of cooperation, we consider a model in which two transmitters send rate-limited descriptions of their…

信息论 · 计算机科学 2015-04-20 Parham Noorzad , Michelle Effros , Michael Langberg

Cooperative diversity systems are wireless communication systems designed to exploit cooperation among users to mitigate the effects of multipath fading. In fairly general conditions, it has been shown that these systems can achieve the…

应用统计 · 统计学 2009-11-13 Peter A. Parker , Patrick Mitran , Daniel W. Bliss , Vahid Tarokh

Diversity is a powerful means to increase the transmission performance of wireless communications. For the case of fountain codes relaying, it has been shown previously that introducing diversity is also beneficial since it counteracts…

网络与互联网体系结构 · 计算机科学 2010-04-08 Apavatjrut Anya , Claire Goursaud , Katia Jaffrès-Runser , Cristina Comaniciu , Jean-Marie Gorce

Processing of multiple communication flows in wireless systems has given rise to a number of novel transmission techniques, notably the two-way relaying based on wireless network coding. Recently, a related set of techniques has emerged,…

信息论 · 计算机科学 2014-04-07 Lilian Hong

Wireless communication faces adversities due to noise, fading, and path loss. Multiple-Input Multiple-Output (MIMO) systems are used to overcome individual fading effect by employing transmit diversity. Duo to user single-antenna,…

信号处理 · 电气工程与系统科学 2019-06-13 Cebrail Çiflikli , Waeal Al-Obaidi , Musaab Al-Obaidi

We evaluate the secrecy performance of a multiple access cooperative network where the destination node is wiretapped by a malicious and passive eavesdropper. We propose the application of the network coding technique as an alternative to…

This paper studies the design of a decentralized multiuser multi-antenna (MIMO) system for spectrum sharing over a fixed narrow band, where the coexisting users independently update their transmit covariance matrices for individual…

信息论 · 计算机科学 2009-05-22 Rui Zhang , John M. Cioffi

We propose a simple yet effective wireless network coding and decoding technique. It utilizes spatial diversity through cooperation between nodes which carry out distributed encoding operations dictated by generator matrices of linear block…

信息论 · 计算机科学 2016-11-17 Tugcan Aktas , Ali Ozgur Yilmaz , Emre Aktas

We propose a simple yet effective wireless network coding and decoding technique for a multiple unicast network. It utilizes spatial diversity through cooperation between nodes which carry out distributed encoding operations dictated by…

信息论 · 计算机科学 2012-09-06 Tugcan Aktas , A. Ozgur Yilmaz , Emre Aktas

Cooperative multicast is an effective solution to address the bottleneck problem of single-hop broadcast in wireless networks. By incorporating with the random linear network coding technique, the existing schemes can reduce the…

网络与互联网体系结构 · 计算机科学 2012-09-19 Fei Wu , Cunqing Hua , Hangguan Shan , Aiping Huang

In this paper, we contribute to the theoretical understanding, the design, and the performance evaluation of multi-source multi-relay network-coded cooperative diversity protocols. These protocols are useful to counteract the spectral…

信息论 · 计算机科学 2016-11-17 Marco Di Renzo , Michela Iezzi , Fabio Graziosi

This paper studies the performance of some state-of-the-art cooperative full-duplex relaying protocols in the context of a large wireless network modelled using stochastic geometry tools. We investigate the outage behaviour for different…

信息论 · 计算机科学 2018-01-12 Andres Altieri , Pablo Piantanida

One of the most efficient methods of exploiting space diversity for portable wireless devices is cooperative communication utilizing space-time block codes. In cooperative communication, users besides communicating their own information,…

信息论 · 计算机科学 2015-01-07 Saikat Majumder , Shrish Verma

This paper provides a review of recent advances in multi-user cooperative data transmission. The focus is on the inherent trade-off between achievable throughput and reliability of cooperative transmission. Research has shown that under a…

信息论 · 计算机科学 2013-07-29 Weisi Guo , Siyi Wang , Xiaoli Chu