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169
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IEICET
2007
15 years 6 months ago
2007
—The frequency hopping (FH) based ultra-wideband (UWB) communication system divides its available frequency spectrum into several sub-bands, which leads to inherent disparities b...
270
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VLDB
2007
ACM
16 years 6 months ago
2007
ACM
Scientific data are posing new challenges to data management due to the large volume, complexity and heterogeneity of the data. Meanwhile, scientific collaboration becomes increas...
182
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ICC
2007
IEEE
16 years 27 days ago
2007
IEEE
— Wireless networks are becoming a part of everyday life for many people. When a mobile device has wireless LAN capability, multimedia content can be streamed over a wireless net...
303
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ICC
2007
IEEE
16 years 27 days ago
2007
IEEE
—Conventional 802.11 medium access control (MAC) characteristics. In particular, all of these designs adopted a protocols have been designed separately from the characteristics s...
165
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ICC
2007
IEEE
16 years 27 days ago
2007
IEEE
— In this paper, we consider a 2-hop wireless diversity relay network. We explore transmit power allocation among the source and relays to maximize the received signal to noise r...