3381 search results - page 353 / 677 » adaptive 2007 |
230
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GLOBECOM
2007
IEEE
16 years 1 months ago
2007
IEEE
1 — Sampling is increasingly utilized by passive measurement systems to save the resources consumption. However, the widely adopted static linear sampling selects packets with th...
183
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GLOBECOM
2007
IEEE
16 years 1 months ago
2007
IEEE
— Optimal pilot design and placement for channel estimation in Multiple-input Multiple-output (MIMO) Orthogonal Frequency-Division Multiplexing (OFDM) systems in the presence of ...
192
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GLOBECOM
2007
IEEE
16 years 1 months ago
2007
IEEE
We consider a cognitive radio system where the secondary transmitter varies its transmit power based on all the information available from the spectrum sensor. The operation of th...
195
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— To enable real-time and robust message delivery, the highly mobile Vehicular Ad Hoc Networks (VANETs) call for comprehensive investigation on the dynamic power control effects ...
206
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— This paper presents an architecture for adaptive cognitive radio networks based on the concept of a “global control plane”. The proposed control architecture uses a predete...