245 search results - page 37 / 49 » A scalable model for channel access protocols in multihop ad... |
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
— A vast amount of broadcasting protocols has been developed for wireless ad hoc networks. To the best of our knowledge, however, these protocols assume a single-radio singlechan...
MOBIHOC
2002
ACM
14 years 7 months ago
2002
ACM
This paper presents a new carrier sensing mechanism called DVCS (Directional Virtual Carrier Sensing) for wireless communication using directional antennas. DVCS does not require ...
TCOM
2008
13 years 7 months ago
2008
The performance of multi-hop CSMA/CA networks has in most cases been evaluated via simulations, or analytically using a perfect collision channel model. Using such methods, one ca...
GLOBECOM
2007
IEEE
14 years 2 months ago
2007
IEEE
—We consider an ad hoc network where frequency hopping (FH), convolutional coding and multiple antennas are employed in order to combat fading and multiple access (MA) interferen...
GLOBECOM
2007
IEEE
13 years 9 months ago
2007
IEEE
—Open spectrum systems allow unlicensed secondary users equipped with cognitive radio to opportunistically access the spectrum underutilized by primary users. Cognitive radio has...