8060 search results - page 502 / 1612 » Adaptive BICM-OFDM Systems |
192
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IWCMC
2009
ACM
16 years 1 months ago
2009
ACM
In wireless communication systems, adaptive modulation and coding (AMC) is used to improve the downlink (DL) spectral efficiency by exploiting the underlying channel condition. Ho...
285
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ICS
2007
Tsinghua U.
16 years 1 months ago
2007
Tsinghua U.
Increased complexity of memory systems to ameliorate the gap between the speed of processors and memory has made it increasingly harder for compilers to optimize an arbitrary code...
183
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MOBICOM
2003
ACM
16 years 3 days ago
2003
ACM
Routers are expected to play an important role in the IPbased wireless data network. Although a substantial number of techniques have been proposed to improve wireless network per...
176
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TKDE
2011
15 years 1 months ago
2011
— In location-based, mobile continual query (CQ) systems, two key measures of quality of service (QoS) are: freshness and accuracy. To achieve freshness, the CQ server must perfo...
286
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ICDE
2008
IEEE
16 years 8 months ago
2008
IEEE
Freshness and accuracy are two key measures of quality of service (QoS) in location-based, mobile continual queries (CQs). However, it is often difficult to provide both fresh and ...