629 search results - page 42 / 126 » Design of a Medium Access Control Protocol for Dynamic Spect... |
MOBIHOC
2002
ACM
14 years 7 months ago
2002
ACM
Ad hoc networks formed without the aid of any established infrastructure are typically multi-hop networks. Location dependent contention and "hidden terminal" problem ma...
EUROSSC
2006
Springer
13 years 11 months ago
2006
Springer
Currently, most wireless sensor network applications assume the presence of single-channel Medium Access Control (MAC) protocols. When sensor nodes are densely deployed, single-cha...
INFOCOM
2007
IEEE
14 years 2 months ago
2007
IEEE
— Unlike terrestrial networks that mainly rely on radio waves for communications, underwater networks utilize acoustic waves, which have comparatively lower loss and longer range...
GLOBECOM
2006
IEEE
14 years 2 months ago
2006
IEEE
— In this paper, we address the impact of different access strategies in ad hoc networks with multiple antennas and MIMO communications. We employ a cross–layer designed MAC pr...
CISS
2008
IEEE
13 years 10 months ago
2008
IEEE
Cognitive radios permit dynamic control of physical layer resources such as transmission power and constellation size; these degrees of freedom can be employed to achieve significa...