629 search results - page 62 / 126 » Design of a Medium Access Control Protocol for Dynamic Spect... |
MOBIHOC
2003
ACM
14 years 7 months ago
2003
ACM
Directional antennas in ad hoc networks offer many benefits compared with classical omnidirectional antennas. The most important include significant increase of spatial reuse, cov...
SIGCOMM
2005
ACM
14 years 1 months ago
2005
ACM
We consider wireless LANs such as IEEE 802.11 operating in the unlicensed radio spectrum. While their nominal bit rates have increased considerably, the MAC layer remains practica...
IEICET
2006
13 years 8 months ago
2006
The IEEE802.11e defines a MAC protocol, which provides EDCA (enhanced distributed channel access) and HCCA (HCF controlled channel access) to support differentiation service over W...
ICDCSW
2005
IEEE
14 years 1 months ago
2005
IEEE
Recently, several directional MAC protocols using smart antennas or directional antennas have been proposed for wireless ad hoc networks including our proposed MAC protocol called...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
—Sensor network MAC protocols usually employ periodic sleep and wakeup, achieving low duty-cycle to save energy and to increase the lifetime of battery-powered sensor devices. Ho...