416 search results - page 20 / 84 » Outage Performance of Cognitive Wireless Relay Networks |
NETWORKING
2004
13 years 10 months ago
2004
Abstract. Relaying can improve performance of a wireless network, especially when different transmission modes with distance/cost tradeoffs are available. Examples of such modes in...
TWC
2008
13 years 8 months ago
2008
Using relays in wireless networks can potentially lead to significant capacity increases. However, within an asynchronous multi-user communication setting, relaying might cause mor...
GLOBECOM
2008
IEEE
13 years 10 months ago
2008
IEEE
—This paper deals with distributed beamforming techniques for wireless networks with half-duplex amplify-andforward relays. Existing schemes optimize the beamforming weights base...
INFOCOM
2005
IEEE
14 years 2 months ago
2005
IEEE
—The communication model typically assumed in wireless ad-hoc networks is based on a traditional “pipelined relay” (PR) strategy. In PR, an end-to-end flow has multiple outs...
TCOM
2008
13 years 9 months ago
2008
Abstract--The aim of this paper is to study the impact of channel state information on the design of cooperative transmission protocols. This is motivated by the fact that the perf...