577 search results - page 48 / 116 » Performance Enhancement of Wireless Communication Systems us... |
VTC
2008
IEEE
14 years 2 months ago
2008
IEEE
— Transmit preprocessing employed at the basestation (BS) has been proposed for simplifying the design of the mobile receiver. Provided that the channel impulse response (CIR) of...
EWSN
2004
Springer
14 years 7 months ago
2004
Springer
Abstract. We propose a model for communication in single-hop wireless sensor networks and define and evaluate the performance of a robust, energy balanced protocol for a powerful a...
WCNC
2008
IEEE
14 years 2 months ago
2008
IEEE
— We consider a cognitive wireless relay system that operates on secondary spectrum sharing basis using spectrum pooling. A spectrum pool comprises of a set of available narrowba...
CORR
2007
Springer
13 years 7 months ago
2007
Springer
—In cognitive radio (CR) networks, there are scenarios where the secondary (lower priority) users intend to communicate with each other by opportunistically utilizing the transmi...
ISCAS
2008
IEEE
14 years 2 months ago
2008
IEEE
Abstract— Beamforming (BF) for multiple-input multipleoutput (MIMO) wireless communications systems can improve the error rate performance by spatial separation of the transmitte...