5657 search results - page 885 / 1132 » Micropayments for Wireless Communications |
162
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GLOBECOM
2007
IEEE
16 years 1 months ago
2007
IEEE
- Usually, packets involved in a collision are lost, requiring their retransmission. However, the signal associated to collisions has important information concerning the packets i...
211
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GLOBECOM
2007
IEEE
16 years 1 months ago
2007
IEEE
—This paper deals with the analytical evaluation of the average delay, the packet-loss rate (PLR) and the throughput of a multi-user (MU) wireless system that capitalizes on a cr...
179
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ISCAS
2007
IEEE
16 years 28 days ago
2007
IEEE
Abstract— In this paper we present a feature-extracting image sensor targeted to wireless image sensor networks. The image sensor was designed and fabricated on a 3D integrated 0...
147
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VTC
2007
IEEE
16 years 28 days ago
2007
IEEE
Abstract— We present a novel transceiver design for orthogonal frequency-division multiplexing (OFDM) wireless systems employing pilot symbol aided channel estimation (PSACE). Th...
129
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VTC
2007
IEEE
16 years 28 days ago
2007
IEEE
— Three new adaptive equalization algorithms for wireless systems operating over frequency selective MIMO channels are proposed. The problem of the MIMO DFE design is formulated ...