تصفح حسب الموضوع "Cooperative communication"
السجلات المعروضة 1 -- 20 من 33
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A diversity compression and combining technique based on channel shortening for cooperative networks
( IEEE , 2012 , Article)The cooperative relaying process with multiple relays needs proper coordination among the communicating and the relaying nodes. This coordination and the required capabilities may not be available in some wireless systems ... -
A game theoretic framework for green hetnets using D2D traffic offload and renewable energy powered base stations
( IGI Global , 2015 , Book chapter)This chapter investigates the interplay between cooperative device-to-device (D2D) communications and green communications in LTE heterogeneous networks (HetNets). Two game theoretic concepts are studied and analyzed in ... -
A signal combining technique based on channel shortening for cooperative sensor networks
( IEEE , 2010 , Conference)The cooperative relaying process needs proper coordination among the communicating and the relaying nodes. This coordination and the required capabilities may not be available in some wireless systems, e.g. wireless sensor ... -
Amount of Secrecy Loss: A Novel Metric for Physical Layer Security Analysis
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)In this letter, we present a novel and important performance metric for analyzing and evaluating the physical layer security of wireless communication systems in the presence of eavesdropping users. Specifically, we introduce ... -
A Collaboration Incentive Exploiting the Primary-Secondary Systems' Cross Interference for PHY Security Enhancement
( IEEE , 2016 , Article)We investigate the spectrum sharing possibility as an incentive to enhance the physical layer security. The concept behind is that a legitimate source-destination pair, communicating in the presence of a passive eavesdropper, ... -
Cooperative communications scheme with interference management under ICI for OFDM LTE-A systems
( IEEE Computer Society , 2013 , Conference)In long term evolution (LTE) systems, the achievable cell spectral efficiency is often limited by the inter carrier interference (ICI) or coverage shortage of base stations. Hence, in LTE-Advanced, cooperative communication ... -
Enhancing wireless networks performance through cooperative communications with interference management
( IEEE , 2012 , Conference)Cooperative radio communication has been proposed as an efficient technique to extend coverage and improve throughput in future wireless networks. However, its performance gain is degraded in the presence of co-channel ... -
Improved relay selection for decode-and-forward cooperative wireless networks under secrecy rate maximization
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference)Privacy and security have an increasingly important role in wireless networks. A secure communication enables a legitimate destination to successfully retrieve information sent by a source, while it disables the eavesdropper ... -
Inter-relay interference cancellation for wireless multi-user multi-decode-and-forward relay networks
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference)In this paper, a cooperative communication scheme with inter-relay interference (IRI) cancellation is proposed for wireless multi-user multi-decode-and-forward (DF) relay networks. The scheme is based on a DF half-duplex ... -
Inter-relay Interference management schemes for multi-user cooperative wireless networks
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference)In this paper, two cooperative communications schemes with inter-relay interference (IRI) management are proposed for multi-user wireless networks. The first scheme (Interference management at relay station (IMR)) uses the ... -
Inter-relay interference management schemes for wireless multi-user decode-and-forward relay networks
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Article)In this paper, two cooperative communications schemes with inter-relay interference (IRI) management are proposed for wireless multi-user decode-and-forward (DF) relay networks. The schemes are based on a DF half-duplex ... -
Interference management schemes for multi-user cooperative wireless networks
( John Wiley and Sons Ltd , 2016 , Article)Cooperative communication is a promising technique for future wireless networks. It can be used in improving communication reliability and enhancing spectrum efficiency by using the broadcast nature of radio communication ... -
Interference management schemes with general order statistics and interference constraint for multi-user cooperative wireless networks
( Institute of Electrical and Electronics Engineers Inc. , 2013 , Conference)In this paper, two cooperative communications schemes with interference management are proposed for multiuser wireless networks. The first scheme (Interference Constraint based Relay Selection (ICRS)) maximizes the received ... -
Interplay between cooperative device-to-device communications and green LTE cellular networks
( CRC Press , 2013 , Book chapter)Traditional efforts for saving energy in cellular networks focus on reducing the transmit powers of base stations (BSs) and mobile devices. However, when a BS is in its working mode, studies show that more than 50% of the ... -
Joint optimization of throughput and delay over PPP interfered relay networks
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference)Future wireless networks are expected to achieve higher data rates and ubiquitous coverage by seamless cooperation among diverse network technologies. However, it also increases the risk of co-channel interference and ... -
Multi-resampling Doppler compensation in cooperative underwater OFDM systems
( IEEE , 2013 , Conference)We consider a multi-carrier cooperative underwater acoustic communication (UWAC) system and investigate the Doppler scaling problem arising due to the motion of different nodes. Specifically, we assume an orthogonal frequency ... -
Novel cooperative communication schemes with interference management for multi-user wireless networks
( Institute of Electrical and Electronics Engineers Inc. , 2013 , Conference)Cooperative communication is a promising technique for future wireless networks. It can be used in improving communication reliability, and enhancing power and spectrum efficiency. However, its performance gain degrades ... -
On real-time video streaming over LTE networks with mobile-to-mobile cooperation
( IEEE , 2012 , Conference)Real-time video streaming over LTE networks is investigated in the presence of mobile-to-mobile collaboration. Mobiles are grouped into collaborative clusters using a low-complexity clustering algorithm. In each cluster, ... -
On the Achievable Secrecy Diversity of Cooperative Networks with Untrusted Relays
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Article)Cooperative relaying is often deployed to enhance the communication reliability (i.e., diversity order) and consequently the end-to-end achievable rate. However, this raises several security concerns when the relays are ... -
Optimal cooperative cognitive relaying and spectrum access for an energy harvesting cognitive radio: Reinforcement learning approach
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference)In this paper, we consider a cognitive setting under the context of cooperative communications, where the cognitive radio (CR) user is assumed to be a self-organized relay for the network. The CR user and the primary user ...