نتایج جستجو برای: amplify and forward

تعداد نتایج: 16837393  

Journal: :The Journal of Korean Institute of Communications and Information Sciences 2015

Journal: :EURASIP J. Wireless Comm. and Networking 2010
Ping Hu Chi Wan Sung Kenneth W. Shum

New aspects arise when generalizing two-way relay network with one relay to two-way relay network with multiple relays. To study the essential features of the two-way multiple-relay network, we focus on the case of two relays in our work. The problem of how two terminals, equipped with multiple antennas, exchange messages with the help of two relays is studied. Five transmission strategies, nam...

2013
Ibrahim Khider

future generations of cellular communications require higher data rates and more reliable transmission link .Cooperative communications have a great significant in modern communications as they improve the information transmission between the source and the destination by using the relays. The relaying schemes are Amplify-and-Forward (AF) in which the relay sends an amplified copy of its receiv...

Journal: :EURASIP J. Wireless Comm. and Networking 2010
Elena Veronica Belmega Samson Lasaulce

We consider a network composed of two interfering point-to-point links where the two transmitters can exploit one common relay node to improve their individual transmission rate. Communications are assumed to be multiband and transmitters are assumed to selfishly allocate their resources to optimize their individual transmission rate. The main objective of this paper is to show that this confli...

2012
Xu Wang Mingchuan Yang Qing Guo

In this paper, a dual-hop cooperative diversity land mobile satellite system (LMSS) respectively adopted amplify-and-forward (AF), decode-and-forward (DF), and coded cooperation (CC) relaying protocols is proposed, and the outage probability behaviors of the three protocols have been analyzed. We use the signal to noise ratio (SNR) of each path to derive the closed-form expressions of outage pr...

Journal: :CoRR 2009
Jubin Jose Lei Ying Sriram Vishwanath

This paper considers an amplify-and-forward relay network and determines its maximum stable throughput. Amplify-and-forward (and other forwarding schemes) form the core mechanism for enabling cooperative communication in wireless networks, and thus determining stabilizing policies for such networks is an important problem. The interaction between nodes in this network is described in terms of c...

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