520 search results - page 76 / 104 » Reductions Between Expansion Problems |
VTC
2008
IEEE
14 years 3 months ago
2008
IEEE
—Orthogonal frequency division multiplexing (OFDM) is currently under intense research for broadband wireless transmission due to its robustness against multipath fading. However...
WCNC
2008
IEEE
14 years 3 months ago
2008
IEEE
A primary constraint in wireless sensor networks (WSNs) is obtaining reliable and prolonged network operation with power-limited sensor nodes. Most of the approaches to the energy ...
CCGRID
2007
IEEE
14 years 3 months ago
2007
IEEE
Maximizing resource provider profit and satisfying user requirements at the same time is a challenging problem in utility computing environments. In this paper, we introduce adap...
INFOCOM
2007
IEEE
14 years 3 months ago
2007
IEEE
— Wireless reprogramming of a sensor network is useful for uploading new code or for changing the functionality of existing code. Through the process, a node should remain recept...
QEST
2007
IEEE
14 years 3 months ago
2007
IEEE
Previous studies have shown that buffering packets in DRAM is a performance bottleneck. In order to understand the impediments in accessing the DRAM, we developed a detailed Petri...