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相关论文: Opportunistic Relay Selection with Limited Feedbac…

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Motivated by the fact that full diversity order is achieved using the "best-relay" selection technique, we consider opportunistic amplify-and-forward and decode-and-forward relaying systems. We focus on the outage probability of such a…

信息论 · 计算机科学 2016-11-15 Ashkan Kalantari , Mohammadali Mohammadi , Mehrdad Ardebilipour

We consider the problem of routing packets across a multi-hop network consisting of multiple sources of traffic and wireless links while ensuring bounded expected delay. Each packet transmission can be overheard by a random subset of…

网络与互联网体系结构 · 计算机科学 2012-03-07 Abhijeet Bhorkar , Mohammad Naghshwar , Tara Javidi

Interest in selection relaying is growing. The recent developments in this area have largely focused on information theoretic analyses such as outage performance. Some of these analyses are accurate only at high SNR regimes. In this paper…

信息论 · 计算机科学 2016-11-15 Abdulkareem Adinoyi , Yijia Fan , Halim Yanikomeroglu , H. Vincent Poor

Physical-layer security for wireless networks has become an effective approach and recently drawn significant attention in the literature. In particular, the deployment and allocation of resources such as relays to assist the transmission…

信息论 · 计算机科学 2017-12-29 X. Lu , R. C. de Lamare

A new, fair relay selection scheme is proposed for a dual-hop decode-and-forward network with randomly-distributed relays. Most of the reported works in the literature achieve fairness at the expense of degrading the outage probability…

网络与互联网体系结构 · 计算机科学 2016-11-30 Masoumeh Sadeghi , Amirmasoud Rabiei

Opportunistic routing is a multi-hop routing scheme which allows for selection of the best immediately available relay. In blind opportunistic routing protocols, where transmitters blindly broadcast without knowledge of the surrounding…

网络与互联网体系结构 · 计算机科学 2016-11-17 Joseph Blomer , Nihar Jindal

Adaptive link selection for buffer-aided relaying can achieve significant performance gain compared with the conventional relaying with fixed transmission criterion. However, most of the existing link-selection strategies are designed based…

信号处理 · 电气工程与系统科学 2020-05-11 Mi Qian , Guofa Cai , Yi Fang , Guojun Han

Perfect channel state information (CSI) is usually required when considering relay selection and power allocation in cooperative communication. However, it is difficult to get an accurate CSI in practical situations. In this letter, we…

信息论 · 计算机科学 2021-03-16 Yuanzhe Geng , Erwu Liu , Rui Wang , Yiming Liu , Jie Wang , Gang Shen , Zhao Dong

This work focuses on the performance of multi-terminal wireless industrial networks, where the transmissions of all terminals are required to be scheduled within a tight deadline. The transmissions thus share a fixed amount of resources,…

信息论 · 计算机科学 2016-06-29 Yulin Hu , Martin Serror , Klaus Wehrle , James Gross

Internet-of-Things (IoT) is featured with low-power communications among a massive number of ubiquitously-deployed and energy-constrained electronics, e.g., sensors and actuators. To cope with the demand, wireless-powered cooperative…

信息论 · 计算机科学 2021-02-03 Xiao Lu , Dusit Niyato , Hai Jiang , Ekram Hossain , Ping Wang

In this paper, we consider the problem of multi-relay selection for multi-stream cooperative MIMO systems with $M$ relay nodes. Traditionally, relay selection approaches are primarily focused on selecting one relay node to improve the…

信息论 · 计算机科学 2015-03-17 Shunqing Zhang , Vincent K. N. Lau

In this paper, the application of wireless information and power transfer to cooperative networks is investigated, where the relays in the network are randomly located and based on the decode-forward strategy. For the scenario with one…

信息论 · 计算机科学 2014-03-26 Z. Ding , I. Krikidis , B. Sharif , H. V. Poor

Relaying can improve the coverage and performance of wireless access networks. In presence of a localisation system at the mobile nodes, the use of such location estimates for relay node selection can be advantageous as such information can…

网络与互联网体系结构 · 计算机科学 2015-05-08 Jimmy J. Nielsen , Rasmus L. Olsen , Tatiana K. Madsen , Bernard Uguen , Hans-Peter Schwefel

We study benefits of opportunistic routing in a large wireless ad hoc network by examining how the power, delay, and total throughput scale as the number of source- destination pairs increases up to the operating maximum. Our opportunistic…

信息论 · 计算机科学 2016-11-18 Won-Yong Shin , Sae-Young Chung , Yong H. Lee

This paper investigates the outage probability and the throughput of relay networks with wireless information and energy transfer where the relays harvest energy from the transmitted radio-frequency signal of the source. Considering…

信息论 · 计算机科学 2016-07-26 Mahdi Haghifam , Behrooz Makki , Masoumeh Nasiri-Kenari , Tommy Svensson

This paper presents a distributed resource allocation algorithm to jointly optimize the power allocation, channel allocation and relay selection for decode-and-forward (DF) relay networks with a large number of sources, relays, and…

信息论 · 计算机科学 2015-03-19 Yin Sun , Zhoujia Mao , Xiaofeng Zhong , Yuanzhang Xiao , Shidong Zhou , Ness B. Shroff

The accuracy of channel state information (CSI) is critical for improving the capacity of wireless networks. In this paper, we introduce a training protocol for wireless relay networks that uses channel estimation and feedforwarding…

信息论 · 计算机科学 2011-01-18 Cenk M. Yetis , Ahmet H. Kayran

Opportunistic relay selection (ORS) has been recognized as a simple but efficient method for mobile nodes to achieve cooperative diversity in slow fading channels. However, the wrong selection of the best relay arising from outdated channel…

信息论 · 计算机科学 2021-02-09 Wei Jiang , Hans Dieter Schotten

Relay nodes are used to improve the throughput, delay and reliability performance of energy harvesting networks by assisting both energy and information transfer between information nodes and access point. Previous studies on radio…

网络与互联网体系结构 · 计算机科学 2020-02-04 Aysun Gurur Onalan , Elif Dilek Salik , Sinem Coleri

This paper analyses the data rate achieved by various relay selection schemes in a single-user multi-hop relay network with decode-and-forward (DF) relaying. While the single-user relay selection problem is well studied in the literature,…

信息论 · 计算机科学 2023-08-17 Shalanika Dayarathna , Rajitha Senanayake , Jamie Evans