116 search results - page 16 / 24 » rDCF: a relay-enabled medium access control protocol for wir... |
TMC
2008
13 years 8 months ago
2008
Abstract--In wireless ad hoc networks, in addition to the well-known hidden terminal and exposed terminal problems, the locationdependent contention may cause serious unfairness an...
WOWMOM
2009
ACM
14 years 3 months ago
2009
ACM
Abstract— Spectrum-agile radios, also known as cognitive radios, have a great potential to improve spectrum utilization by enabling dynamic access to the spectrum. A key challeng...
ISCAS
2008
IEEE
14 years 3 months ago
2008
IEEE
—This study describes a method of implementing a fully integrated ultra-low-power (ULP) radio for wireless sensor networks (WSNs). This is achieved using an ad hoc modulation sch...
JSAC
2008
13 years 8 months ago
2008
We propose the cross-layer based opportunistic multi-channel medium access control (MAC) protocols, which integrate the spectrum sensing at physical (PHY) layer with the packet sch...
JSAC
2006
13 years 8 months ago
2006
Ultra-wideband (UWB) wireless communication is a promising spread-spectrum technology that supports very high data rates and provides precise position information of mobile users. ...