9401 search results - page 1587 / 1881 » Wireless Networks |
216
click to vote
MOBICOM
2009
ACM
16 years 1 months ago
2009
ACM
Cognitive radio is an enabling technology that allows unlicensed users to opportunistically access the spectrum in order to enhance the spectrum efficiency. In this paper, we cons...
225
click to vote
EENERGY
2010
15 years 10 months ago
2010
Mobile network access has seemingly become ubiquitous in industrialized countries. With data services becoming sufficiently fast, usable, and affordable, demand is growing rapidly...
188
click to vote
MOBISYS
2007
ACM
16 years 6 months ago
2007
ACM
When the range of single-hop wireless communication is limited by distance or harsh radio propagation conditions, relays can be used to extend the communication range through mult...
242
click to vote
ICDE
2011
IEEE
14 years 10 months ago
2011
IEEE
— In a wireless sensor network (WSN), each sensor monitors environmental parameters, and reports its readings to a base station, possibly through other nodes. A sensor works in c...
194
click to vote
GLOBECOM
2008
IEEE
16 years 1 months ago
2008
IEEE
—The design of a collision avoidance system for trains implies the design of a MAC layer for their specific requirements. It should be efficient, reliable, use broadcast and su...