38 search results - page 3 / 8 » Toward Optimal Utilization of Shared Random Access Channels |
MOBIHOC
2009
ACM
15 years 10 months ago
2009
ACM
Cognitive radio networks are emerging as a promising technology for the efficient use of radio spectrum. In these networks, there are two categories of networks on different chann...
106
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VLDB
2007
ACM
15 years 3 months ago
2007
ACM
Testing a database engine has been and continues to be a challenging task. The space of possible SQL queries along with their possible access paths is practically unbounded. Moreo...
LCN
2002
IEEE
15 years 2 months ago
2002
IEEE
—The design of a wireless local area network (WLAN) has an important issue of determining the optimal placement of access points (APs) and assignment of channels to them. WLAN se...
100
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CORR
2010
Springer
14 years 4 months ago
2010
Springer
We consider an opportunistic spectrum access (OSA) problem where the time-varying condition of each channel (e.g., as a result of random fading or certain primary users' activ...
90
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ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
— We consider a cognitive radio system like the future 802.22 networks where license-exempt service providers (SPs) will share a fixed spectrum in a non-interference basis to ea...