2571 search results - page 434 / 515 » Approximation schemes for wireless networks |
176
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ICWN
2003
15 years 7 months ago
2003
— Most wireless systems receive a license that gives them exclusive access to a block of spectrum. Exclusivity guarantees adequate quality of service, but it also leads to inef...
269
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WONS
2012
IEEE
14 years 1 months ago
2012
IEEE
—The IEEE 802.15.4 standard specifies an M-ary spread spectrum system with public and fixed spreading sequences. We propose instead to use secret and dynamic, random spreading ...
185
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DIALM
2005
ACM
15 years 8 months ago
2005
ACM
Reducing interference is one of the main challenges in wireless communication, and particularly in ad hoc networks. The amount of interference experienced by a node v corresponds ...
166
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SECON
2008
IEEE
16 years 15 days ago
2008
IEEE
—Delay Tolerant Networks are wireless networks where disconnections may occur frequently due to propagation phenomena, node mobility, and power outages. Propagation delays may al...
172
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TELSYS
2002
15 years 5 months ago
2002
Abstract. In the micro-cell-based PCS networks, due to the high user mobility, handoffs occur more frequently. Hence, the classical assumptions, such as the exponential assumptions...