17932 search results - page 219 / 3587 » Wireless communications systems |
150
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INFOCOM
2007
IEEE
15 years 10 months ago
2007
IEEE
— We propose the quality-of-service (QoS) driven power allocation schemes for parallel fading channels when considering imperfect channel estimations. In particular, the parallel...
158
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MOBICOM
2010
ACM
15 years 4 months ago
2010
ACM
Guardbands are designed to insulate transmissions on adjacent frequencies from mutual interference. As more devices in a given area are packed into orthogonal wireless channels, c...
137
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AINA
2010
IEEE
15 years 8 months ago
2010
IEEE
One important challenge in wireless ad hoc networks is to achieve collision free communication. Many MAC layer protocols have been proposed by considering various communication mod...
136
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GLOBECOM
2007
IEEE
15 years 10 months ago
2007
IEEE
Abstract—We analyze greedy geographical routing in spontaneous wireless mesh networks to show several interesting properties. First, we can approximate the dependence of packet l...
133
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VTC
2007
IEEE
15 years 10 months ago
2007
IEEE
– Integration of beamforming to sensors is very beneficial for a reduction of transmission power consumption and for improvement of the overall system performance. Unfortunately,...