Πλοήγηση ανά Θέμα "Code division multiple access"
Αποτελέσματα 1-7 από 7
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Blind channel estimation for downlink CDMA systems
(2003)The problem of channel estimation in code-division multiple-access (CDMA) systems is considered. Using only the spreading code of the user of interest, a technique is proposed to identify the impulse response of the multipath ... -
CDMA RoFSO Links with Nonzero Boresight Pointing Errors over M Turbulence Channels
(2018)Radio-on-Free-Space Optical systems constitute a very attractive option for interconnecting central base stations with remote antenna units. Nonetheless, the optical signal propagation through the atmosphere is tremendously ... -
A class of multi-carrier CDMA access methods for wide-bandwidth wireless channels
(2005)In this article we describe and evaluate a general class of synchronous multi-carrier CDMA methods. In the proposed methods each accessing user is encoded by a Hadamard sequence and a multi-carrier (MC) encoder. The ... -
Cross-layer power control in wireless networks
(2006)We introduce a power control algorithm that exploits queue length information to achieve maximum data throughput in single-hop CDMA wireless networks. The algorithm operates in real-time, i.e., executes a single iteration ... -
Joint beamforming and power control for CDMA uplink throughput maximization
(2007)We consider joint beamforming and power control as a means to maximize throughput in a CDMA wireless uplink, where a base station equipped with multiple antennas receives from single - antenna wireless users. Throughput ... -
Lightweight cross-layer control algorithms for fairness and energy efficiency in CDMA Ad-Hoc networks
(2006)We consider a CDMA wireless ad - hoc network in high SINR regime. We introduce a suite of cross - layer algorithms for joint flow control, routing, scheduling and power control. algorithms guarantee forwarding of all ... -
Maximum throughput power control in CDMA wireless networks
(2006)We Introduce cross-layer, distributed power control algorithms that guarantee maximum possible data throughput in multihop CDMA wireless networks. Throughput maximization, for given power budget, Is achieved by jointly ...