19 search results - page 1 / 4 » ARQ-based cross-layer optimization for wireless multicarrier... |
CN
2008
13 years 5 months ago
2008
The primary feature of cognitive radios for wireless communication systems is the capability to optimize the relevant communication parameters given a dynamic wireless channel env...
JSAC
2008
13 years 5 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...
JCST
2008
13 years 5 months ago
2008
The allocation of bandwidth to unlicensed users, without significantly increasing the interference on the existing licensed users, is a challenge for Ultra Wideband (UWB) networks....
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
Ultra wideband (UWB) systems are currently an important wireless infrastructure for efficient shortrange communications. To improve the system efficiency while guaranteeing the ra...
NETWORK
2006
13 years 5 months ago
2006
With the advancement of video-compression technology and the wide deployment of wireless networks, there is an increasing demand for wireless video communication services, and man...