577 search results - page 40 / 116 » Performance Enhancement of Wireless Communication Systems us... |
CORR
2008
Springer
13 years 7 months ago
2008
Springer
The performance of user-cooperation in a multi-access network is compared to that of using a wireless relay. Using the total transmit and processing power consumed at all nodes as...
MOBISYS
2009
ACM
14 years 8 months ago
2009
ACM
We design, implement, and evaluate a vehicular communication system that improves uplink connectivity through multi-lobe beam pattern switching on a smart antenna. Directionality ...
MSWIM
2009
ACM
14 years 2 months ago
2009
ACM
Fairness in multihop ad hoc networks has received considerable attention in the literature. Many schemes have been proposed, which attempt to compute the “optimal” bit rates o...
GLOBECOM
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract— This paper investigates the joint design and optimization of the power control and beamforming codebooks for the single-user multiple-input single-output (MISO) wireles...
ICC
2008
IEEE
14 years 2 months ago
2008
IEEE
—This paper proposes to use Contourlet transform for image compression and feature extraction for wireless face recognition system. The properties of face images and face recogni...