Sciweavers

4985 search results - page 675 / 997
» Re-Configurable Computing in Wireless
Sort
View
WCNC
2008
IEEE
16 years 1 months ago
Performance Comparison of Uplink WLANs with Single-User and Multi-User MIMO Schemes
— In this paper, we compare the performance of wireless local area networks (WLANs) with single-user MIMO (SU-MIMO) and multi-user MIMO (MU-MIMO) in terms of collision probabilit...
Hu Jin, Bang Chul Jung, Ho Young Hwang, Dan Keun S...
WCNC
2008
IEEE
16 years 1 months ago
Subspace Blind MIMO-OFDM Channel Estimation with Short Averaging Periods: Performance Analysis
—Among all blind channel estimation problems, subspace-based algorithms are attractive due to its fastconverging nature. It primarily exploits the orthogonality structure of the ...
Chao-Cheng Tu, Benoît Champagne
WCNC
2008
IEEE
16 years 1 months ago
Testbed Implementation of a Secure Flooding Time Synchronization Protocol
Abstract— A fundamental building block in distributed wireless sensor networks is time synchronization. Given resource constrained nature of sensor networks, traditional time syn...
Tanya Roosta, Wei-Chieh Liao, Wei-Chung Teng, Shan...
WCNC
2008
IEEE
16 years 1 months ago
Exploiting Historical Spectrum Occupancy Information for Adaptive Spectrum Sensing
—At present wireless devices are able to select their working frequency only to a limited extend although several measurements have shown that the current spectrum regulations ar...
Matthias Wellens, Alexandre de Baynast, Petri M&au...
WCNC
2008
IEEE
16 years 1 months ago
Intelligent Weather Systems with Fuzzy Logic Controller for Satellite Networks
— Weather attenuations can have a distorting effect on signal fidelity above 10 GHz that lead to excessive digital transmission error. This loss of signal is commonly referred to...
Kamal Harb, Changcheng Huang, Anand Srinivasan, Br...