Sciweavers

274 search results - page 10 / 55
» Distributed Adaptive Power Allocation for Wireless Relay Net...
Sort
View
GLOBECOM
2008
IEEE
13 years 8 months ago
Perturbation-Based Distributed Beamforming for Wireless Relay Networks
—This paper deals with distributed beamforming techniques for wireless networks with half-duplex amplify-andforward relays. Existing schemes optimize the beamforming weights base...
Peter Fertl, Ari Hottinen, Gerald Matz
VTC
2007
IEEE
100views Communications» more  VTC 2007»
14 years 2 months ago
Space-Time Trellis Coding Exploiting Superimposed Transmissions in Half-Duplex Relay Networks
— This work presents and analyzes a cooperative relaying approach which offers large scale spatial diversity and an additional coding advantage in a virtual antenna array. It uti...
Peter Rost, Gerhard Fettweis
ICC
2007
IEEE
160views Communications» more  ICC 2007»
14 years 2 months ago
Opportunistic Cooperation for Quality of Service Provisionings Over Wireless Relay Networks
Abstract— We propose the QoS-driven opportunistic cooperation schemes for the wireless relay networks. By integrating information theory with the concept of effective capacity, o...
Lin Xie, Xi Zhang
WCNC
2010
IEEE
13 years 11 months ago
Adaptive Multiple Relay Selection Scheme for Cooperative Wireless Networks
Abstract—In this paper, we propose an output-threshold multiple relay selection scheme for dual-hop multi-branch cooperative wireless networks. The proposed scheme selects the ï¬...
Gayan Amarasuriya, Masoud Ardakani, Chintha Tellam...
SECON
2010
IEEE
13 years 5 months ago
Distributed Routing, Relay Selection, and Spectrum Allocation in Cognitive and Cooperative Ad Hoc Networks
Throughput maximization is a key challenge in cognitive radio ad hoc networks, where the availability of local spectrum resources may change from time to time and hopby-hop. To ach...
Lei Ding, Tommaso Melodia, Stella N. Batalama, Joh...