2880 search results - page 198 / 576 » Using Channels for Multimedia Communication |
128
Voted
WISEC
2009
ACM
15 years 9 months ago
2009
ACM
We address the problem of control-channel jamming attacks in multi-channel ad hoc networks. Deviating from the traditional view that sees jamming attacks as a physical-layer vulne...
126
Voted
GLOBECOM
2007
IEEE
15 years 9 months ago
2007
IEEE
Abstract— For MIMO broadcast systems the effects of shadowing on the channel capacity and the fairness of the system in sharing the resources amongst multiple users are important...
160
Voted
WIMOB
2007
IEEE
15 years 9 months ago
2007
IEEE
In this paper, ranging process in IEEE 802.16e OFDMA systems is analyzed and performance is evaluated. Ranging process provides initial network entry, uplink synchronization, and ...
128
Voted
TCOM
2008
15 years 2 months ago
2008
: Due to correlated fading in frequency hopping (FH) wireless communication systems, it is possible to predict the future channel state information (CSI) for one frequency based on...
101
Voted
GLOBECOM
2010
IEEE
15 years 19 days ago
2010
IEEE
-- Simulations show that the Doppler component of the IEEE 802.11n channel model results in a dramatic decrease in transmit beamforming gain within only 20 ms delay, even though th...