1765 search results - page 314 / 353 » Communication Scheduling |
VTC
2006
IEEE
15 years 5 months ago
2006
IEEE
Abstract— In this paper, we consider the unclaimed subcarriers that no user feeds back in an opportunistic OFDMA system with a per sub-carrier power constraint. Unclaimed subcarr...
100
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VTC
2006
IEEE
15 years 5 months ago
2006
IEEE
— Performance comparison of multiuser OFDM-TDMA and OFDMA systems by considering physical and link cross-layer behavior is conducted in this work. We provide a new framework for ...
VTC
2006
IEEE
15 years 5 months ago
2006
IEEE
—Transmitter-based signal pre-processing is investigated for the two-dimensional (2-D) OFDM-CDMA (orthogonal frequency division multiplexing, code division multiple access) forwa...
114
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VTC
2006
IEEE
15 years 5 months ago
2006
IEEE
Abstract— In wireless sensor networks (WSNs), reducing energy consumption of resource constrained sensor nodes is one of the most important issues. In this paper, we propose a ta...
133
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MOBICOM
2006
ACM
15 years 5 months ago
2006
ACM
Abstract-The emergence of small, inexpensive, networkcapable sensing devices led to a great deal of research on the design and implementation of sensor networks. A critical step in...