17932 search results - page 229 / 3587 » Wireless communications systems |
167
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IPCCC
2007
IEEE
16 years 1 days ago
2007
IEEE
Currently, wireless priority services (WPS) are provided using call queueing with a weighted round-robin schedule based on a fixed parameter. In this paper, we introduce a flexi...
172
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PEWASUN
2004
ACM
15 years 11 months ago
2004
ACM
In this paper, we introduce a modified version of the IEEE 802.11a protocol and evaluate its performance. The new protocol is a combination of the standard Medium Access Control (...
207
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ADHOCNOW
2005
Springer
15 years 11 months ago
2005
Springer
Multiple-Input Multiple-Output (MIMO) antenna systems present a radical way to improve the performance of wireless communications. Such systems can be utilized in wireless ad hoc n...
137
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MSWIM
2004
ACM
15 years 11 months ago
2004
ACM
A fundamental issue in the design of a wireless sensor network is to devise mechanisms to make efficient use of its energy, and thus, extend its lifetime. Due to the paramount imp...
157
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ICC
2007
IEEE
16 years 2 days ago
2007
IEEE
Ultra wideband (UWB) systems are currently an important wireless infrastructure for efficient shortrange communications. To improve the system efficiency while guaranteeing the ra...