Results 31 to 40 of about 224,400 (269)
On relay selection for decode-and-forward relaying [PDF]
IEEE Transactions on Wireless Communications, 2009 In this letter, we consider a multi-relay network operating in decode-and-forward mode. We propose a novel relay selection method with a low implementation complexity. Unlike the competing schemes, it requires neither error detection methods at relay nodes nor feedback information at the source.
Muhammad Fareed, Murat Uysal
openaire +1 more source
Dynamic master selection in wireless networks [PDF]
, 2011 . Mobile wireless networks need to maximize their network lifetime (defined as the time until the first node runs out of energy). In the broadcast network lifetime problem, all nodes are sending broadcast traffic, and one asks for an assignment of ...
Graaf, Maurits de
core +5 more sources
Secure relay node selection method based on Q-learning for fog computing in 5G network
Dianxin kexue, 2019 A Q-learning-based optimal dual-relay node selection method was proposed. Firstly, a security fog computing structure model based on social awareness was constructed, and then an optimal dual-relay node selection method based on Q-learning algorithm was ...
Shanshan TU +4 more
doaj +2 more sources
, 2013 Due to the broadcast nature of wireless medium, wireless communication is extremely vulnerable to eavesdropping attack. Physical-layer security is emerging as a new paradigm to prevent the eavesdropper from interception by exploiting the physical ...
Shen, Weiming +2 more
core +1 more source
Cloud Compute-and-Forward with Relay Cooperation [PDF]
, 2015 We study a cloud network with M distributed receiving antennas and L users, which transmit their messages towards a centralized decoder (CD), where M>=L.
Diamantoulakis, Panagiotis D. +3 more
core +1 more source
Optimal Relay Selection with Non-negligible Probing Time
, 2015 In this paper an optimal relay selection algorithm with non-negligible probing time is proposed and analyzed for cooperative wireless networks. Relay selection has been introduced to solve the degraded bandwidth efficiency problem in cooperative ...
Liu, Mingyan, Liu, Yang, Ouyang, Yi
core +1 more source
Cooperative smartphone relay selection based on fair power utilization for network coverage extension [PDF]
, 2019 This paper presents a relay selection algorithm based on fair battery power utilization for extending mobile network coverage and capacity by using a cooperative communication strategy where mobile devices can be utilized as relays.
Ayub, N., Rakocevic, V.
core +1 more source
Buffer-Aided Relaying with Adaptive Link Selection
, 2012 In this paper, we consider a simple network consisting of a source, a half-duplex decode-and-forward relay, and a destination. We propose a new relaying protocol employing adaptive link selection, i.e., in any given time slot, based on the channel state ...
Popovski, Petar +2 more
core +2 more sources
Nonregenerative MIMO Relaying with Optimal Transmit Antenna Selection
, 2008 We derive optimal SNR-based transmit antenna selection rules at the source and relay for the nonregenerative half duplex MIMO relay channel. While antenna selection is a suboptimal form of beamforming, it has the advantage that the optimization is ...
Heath Jr, Robert W., Peters, Steven W.
core +1 more source
Optimal Relay Selection for Physical-Layer Security in Cooperative Wireless Networks
, 2013 In this paper, we explore the physical-layer security in cooperative wireless networks with multiple relays where both amplify-and-forward (AF) and decode-and-forward (DF) protocols are considered.
Shen, Weiming +2 more
core +1 more source