125 search results - page 22 / 25 » All Bits Are Not Equal - A Study of IEEE 802.11 Communicatio... |
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
—An interesting feature of the 3G cellular networks is their ability to support multiple data rates. Though the performance of TCP over wireless networks has been well studied, t...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
—Cooperative diversity is effectively used to combat the correlated fading. In the existing papers on cooperative diversity, the fading channels are idealistically assumed to be ...
WCNC
2008
IEEE
14 years 2 months ago
2008
IEEE
Hybrid automatic repeat-request (HARQ) is critical to an IEEE 802.16e OFDMA network, as it can significantly improve the reliability of wireless link. However, as revealed by our...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
—The main focus of this paper is to present a performance limitation of collaborative spectrum sensing in cognitive radios with imperfect reporting channels. We consider hard dec...
GLOBECOM
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract – This paper considers a design of signal constellations for trans-modulation (constellation rearrangement: CoRe) in a relay system with the multiple links in which the ...