416 search results - page 77 / 84 » Outage Performance of Cognitive Wireless Relay Networks |
INFOCOM
2010
IEEE
13 years 5 months ago
2010
IEEE
Traditional wireless broadcast protocols rely heavily on the 802.11-based CSMA/CA model, which avoids interference and collision by conservatively scheduling transmissions. While C...
WOWMOM
2006
ACM
14 years 1 months ago
2006
ACM
The evolution of wireless devices along with the increase in user mobility have created new challenges such as network partitioning and intermittent connectivity. These new challe...
GLOBECOM
2009
IEEE
13 years 11 months ago
2009
IEEE
IEEE 802.22 wireless regional area network (WRAN) is an emerging cognitive radio-based system. One of the major challenges for WRANs is how to efficiently schedule both channel sen...
IWCMC
2009
ACM
14 years 2 months ago
2009
ACM
For a point-to-point multi-input multi-output (MIMO) wireless channel, we propose a feedback scheme, which consists of transmit-antenna selection algorithm and beamforming quantiz...
ICDCSW
2007
IEEE
14 years 2 months ago
2007
IEEE
Mobile devices are still memory-constrained when compared to desktop and laptop computers. Thus, in some circumstances, even while occupied by useful objects, some memory must be ...