Results 51 to 60 of about 23,853 (156)

Relay Selection With Network Coding in Two-Way Relay Channels [PDF]

open access: yesIEEE Transactions on Vehicular Technology, 2010
In this paper, we consider the design of joint network coding (NC)and relay selection (RS) in two-way relay channels. In the proposed schemes, two users first sequentially broadcast their respective information to all the relays. We propose two RS schemes, a single relay selection with NC and a dual relay selection with NC.
Yonghui Li 0001   +2 more
openaire   +3 more sources

Relay Selection for Bidirectional AF Relay Network With Outdated CSI [PDF]

open access: yesIEEE Transactions on Vehicular Technology, 2013
accepted by IEEE Transactions on Vehicular ...
Hongyu Cui   +3 more
openaire   +2 more sources

Secure full-duplex small-cell networks in a spectrum sharing environment

open access: yesIEEE Access, 2016
In this paper, we propose three relay selection schemes for full-duplex heterogeneous networks in the presence of multiple cognitive radio eavesdroppers. In this setup, the cognitive small-cell nodes (secondary network) can share the spectrum licensed to
Nam-Phong Nguyen   +4 more
doaj   +1 more source

Optimal Relay Selection Scheme Based on Hybrid Decode-Amplify-and-Forward [PDF]

open access: yesJisuanji gongcheng, 2017
In order to extend the network life on the base of lower Symbol Error Rate(SER),a relay selection scheme based on Hybrid Decode-Amplify-and-Forward(HDAF) relaying method is proposed.Joint optimization function about receiving Signal to Noise Ratio(SNR ...
SUN Wensheng,LI Leyuan
doaj   +1 more source

Performance Analysis of Relay Subset Selection for Amplify-and-Forward Cognitive Relay Networks

open access: yesThe Scientific World Journal, 2014
Cooperative communication is regarded as a key technology in wireless networks, including cognitive radio networks (CRNs), which increases the diversity order of the signal to combat the unfavorable effects of the fading channels, by allowing distributed
Kiran Sultan   +3 more
doaj   +1 more source

Performance Evaluation of Generalized Buffer-State-Based Relay Selection in NOMA-Aided Downlink

open access: yesIEEE Access, 2019
In this paper, we propose a novel buffer-state-based (BSB) non-orthogonal multiple access (NOMA)-aided downlink scheme for a two-hop cooperative network supporting multiple relay and destination nodes.
Jun Kochi, Ryota Nakai, Shinya Sugiura
doaj   +1 more source

Joint source‐pair and relay selection for relay‐assisted network [PDF]

open access: yesIET Communications, 2020
This study investigates the opportunistic joint source‐pair and relay selection policy for cooperative networks. The investigation considers multi‐user pair and multiple bi‐directional amplify‐and‐forward based relays in the system model. The strategy selects an appropriate user‐pair and relay among N
openaire   +1 more source

Optimal relay selection scheme and outage probability analysis in cooperative wireless networks

open access: yesDianxin kexue, 2018
Optimal relay selection can effectively improve the system performance in the communication network with cooperative relays from the view of physical layer security.The optimal relay selection schemes for relay transmission system with multiple single ...
Youhong FENG   +5 more
doaj   +2 more sources

Low-complexity timer-based multi-relay selection and sequential power allocation of cooperative cognitive radio networks for future Internet of things

open access: yesInternational Journal of Distributed Sensor Networks, 2016
Cooperative cognitive radio networks use cooperative relays to forward signal from the source to the destination. In cooperative cognitive radio networks, the transmission power of each relay is limited by the interference constraint of the primary user ...
Md Arifur Rahman   +2 more
doaj   +1 more source

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