97 search results - page 9 / 20 » Achievable throughput of multiple access spectrum systems ba... |
TWC
2008
13 years 7 months ago
2008
Wireless relays extend coverage, improve spectral efciency, and enhance reliability and rates of wireless cellular communication systems. In this work, we introduce the fundamental...
TWC
2010
13 years 2 months ago
2010
In this paper, the performance of cellular networks with joint multicell processing and dedicated relay terminals is investigated. It is assumed that each relay terminal is capable...
TCOM
2010
13 years 5 months ago
2010
—Cooperative spectrum sensing has been shown to be able to greatly improve the sensing performance in cognitive radio networks. However, if cognitive users belong to different se...
ICC
2000
IEEE
13 years 12 months ago
2000
IEEE
— The medium-access control (MAC) protocols for wireless networks proposed or implemented to date based on collision-avoidance handshakes between sender and receiver either requi...
INFOCOM
2010
IEEE
13 years 6 months ago
2010
IEEE
Abstract—WiMAX with femto cells is a cost-effective nextgeneration broadband wireless communication system. Cognitive Radio (CR) has recently emerged as a promising technology to...