416 search results - page 49 / 84 » Outage Performance of Cognitive Wireless Relay Networks |
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
— In interference-limited wireless cellular systems, interference avoidance and interference averaging are widely adopted to combat co-channel interference. In different types of...
IPCCC
2006
IEEE
14 years 3 months ago
2006
IEEE
– Wireless Mesh networks exploit multi-hop wireless communications between Access Points to replace wired infrastructure. However, in multi-hop networks, effective bandwidth decr...
MOBISYS
2008
ACM
14 years 8 months ago
2008
ACM
Deployments of city-wide multi-hop 802.11 networks introduce challenges for maintaining client performance at vehicular speeds. We experimentally demonstrate that current network ...
NTMS
2008
IEEE
14 years 3 months ago
2008
IEEE
—In this paper, the issues and methods regarding setting up the testbed for measuring the performance of cooperative transmission is introduced. Also, some experiments on both th...
JSAC
2008
13 years 9 months ago
2008
We propose the cross-layer based opportunistic multi-channel medium access control (MAC) protocols, which integrate the spectrum sensing at physical (PHY) layer with the packet sch...