17932 search results - page 149 / 3587 » Wireless communications systems |
122
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ISCAS
2008
IEEE
15 years 10 months ago
2008
IEEE
Abstract— Beamforming (BF) for multiple-input multipleoutput (MIMO) wireless communications systems can improve the error rate performance by spatial separation of the transmitte...
133
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ICNP
2006
IEEE
15 years 10 months ago
2006
IEEE
Abstract— In many energy-rechargeable wireless sensor networks, sensor nodes must both sense data from the environment, and cooperatively forward sensed data to data sinks. Both ...
148
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MIDDLEWARE
2005
Springer
15 years 9 months ago
2005
Springer
Group management service plays a key role in wireless sensor networks (WSNs) as it provides support to high level middleware services such as object tracking, security, fault-tole...
131
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PERCOM
2010
ACM
15 years 5 months ago
2010
ACM
This paper addresses the problem of engineering energy-efficient target detection applications using unattended Wireless Sensor Networks (WSNs) for long-lasting surveillance of are...
141
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MDM
2009
Springer
15 years 10 months ago
2009
Springer
—In mobile and wireless networks, data broadcasting for popular data items enables the efficient utilization of the limited wireless bandwidth. However, efficient data scheduli...