626 search results - page 25 / 126 » Power Control for User Cooperation |
168
click to vote
CISS
2008
IEEE
16 years 12 days ago
2008
IEEE
— In this paper, we investigate resource allocation for a multi-user OFDMA cooperative system. Aiming at minimizing the total transmission power under target rate constraints for...
190
click to vote
INFOCOM
2002
IEEE
15 years 11 months ago
2002
IEEE
—In this paper, we introduce a cross-layer design framework to the multiple access problem in contention-based wireless ad hoc networks. The motivation for this study is twofold,...
180
click to vote
ICASSP
2008
IEEE
16 years 11 days ago
2008
IEEE
Transmit-power control is a critical task in cognitive radio (CR) networks. In the present contribution, adherence to hierarchies between primary and secondary users in a peer-to-...
205
click to vote
JSAC
2011
14 years 8 months ago
2011
—In this paper, we propose a spectrum allocation framework that jointly considers the Quality-of-Service (QoS) provisioning for heterogeneous secondary Real-Time (RT) and Non-Rea...
177
click to vote
ICC
2007
IEEE
16 years 7 days ago
2007
IEEE
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...