512 search results - page 14 / 103 » Random Access Systems with a Time Varying Channel |
ICNP
2007
IEEE
14 years 5 months ago
2007
IEEE
Abstract—Radio frequency identification (RFID) is a technology where a reader device can “sense” the presence of a closeby object by reading a tag device attached to the obj...
PIMRC
2010
IEEE
13 years 8 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...
ICNP
2002
IEEE
14 years 3 months ago
2002
IEEE
We present the hybrid activation multiple access (HAMA) protocol for ad hoc networks. Unlike previous channel access scheduling protocols that activate either nodes or links only,...
MMB
2001
Springer
14 years 3 months ago
2001
Springer
This paper provides a performance evaluation of the TETRAPOL random access protocol. The results are based on a Markovian model which is also presented. The Markovian model is use...
INFOCOM
1989
IEEE
14 years 2 months ago
1989
IEEE
Consider M - HChoose P - T communications: T users or less, out of M potential users, are chosen at random to simultaneously transmit binary data over a common channel. A method f...