207 search results - page 39 / 42 » Power Controlled Multiple Access (PCMA) in Wireless Communic... |
MOBISYS
2007
ACM
14 years 6 months ago
2007
ACM
Presence-sharing is an emerging platform for mobile applications, but presence-privacy remains a challenge. Privacy controls must be flexible enough to allow sharing between both ...
MDM
2007
Springer
14 years 25 days ago
2007
Springer
Storage of sensed data in wireless sensor networks is essential when the sink node is unavailable due to failure and/or disconnections, but it can also provide efficient access t...
CORR
2010
Springer
13 years 6 months ago
2010
Springer
Adaptive orthogonal frequency division multiple access (OFDMA) has recently been recognized as a promising technique for providing high spectral efficiency in future broadband wire...
VTC
2007
IEEE
14 years 29 days ago
2007
IEEE
Abstract—Group-orthogonal multicarrier code-division multiple access (GO-MC-CDMA) has been proposed as a multiplexing technique for the uplink segment of wireless systems. The di...
MOBIHOC
2005
ACM
14 years 6 months ago
2005
ACM
IEEE 802.11 MAC, called the Distributed Coordination Function (DCF), employs carrier sensing to effectively avoid collisions, but this makes it difficult to maximally reuse the sp...