104 search results - page 5 / 21 » Sensing-based opportunistic channel access |
CORR
2010
Springer
13 years 8 months ago
2010
Springer
The knowledge of channel statistics can be very helpful in making sound opportunistic spectrum access decisions. It is therefore desirable to be able to efficiently and accurately...
JCM
2007
13 years 8 months ago
2007
— Spectrum scarcity is becoming a major issue for service providers interested in either deploying new services or enhancing the capacity for existing applications. On the other ...
PIMRC
2010
IEEE
13 years 6 months ago
2010
IEEE
We propose an opportunistic channel access scheme for cognitive radio-enabled secondary networks. In our work, we model the channel occupancy due to Primary User (PU) activity as a...
BROADNETS
2005
IEEE
13 years 10 months ago
2005
IEEE
— We present a game-theoretical model of a wireless communication system with multiple competing users sharing a multiaccess fading channel. With a specified capture rule and a ...
BROADNETS
2004
IEEE
14 years 8 days ago
2004
IEEE
The IEEE 802.11 wireless media standard supports multiple frequency channels as well as multiple data rates at the physical (PHY) layer. Moreover, various auto rate adaptation mec...