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In the next few years GPS will start broadcasting civil signals suitable for aviation use on both the L1 and L5 frequencies. In addition, Galileo and other constellations will offer an even greater nu...
Arbitrary Obstacles Constrained Full Coverage in Wireless Sensor Networks
Wireless sensor networks Coverage Obstacles Computational Geometry
2010/9/9
Coverage is critical for wireless sensor networks to monitor a region of interest and to provide a good quality of service. In many application scenarios, full coverage is required, which means every ...
Arbitrary Obstacles Constrained Full Coverage in Wireless Sensor Networks
Wireless sensor networks Coverage Obstacles Computational Geometry
2010/9/8
Coverage is critical for wireless sensor networks to monitor a region of interest and to provide a good quality of service. In many application
scenarios, full coverage is required, which means every...
A Novel Beamforming Technique for Highways Coverage Using High-Altitude Platforms
Novel Beamforming Technique Highways Coverage High-Altitude Platforms
2009/9/4
This paper proposes a novel beamforming technique to form an arbitrary-shaped cell for the high-altitude platforms (HAPs) mobile communications. The new technique is based on pattern summation of indi...
Minimum Coverage Breach and Maximum Network Lifetime in Wireless Sensor Networks
Minimum Coverage Breach Wireless Sensor Networks
2007/11/1
Network lifetime is a critical issue inWireless Sensor Networks. It is possible to extend network lifetime by organizing the sensors into a number of sensor covers. However, with the limited bandwidth...
Improving the Image Retrieval Results via Topic Coverage Graph
Image retrieval re-rank topic coverage
2006/12/31
In the area of image retrieval, search engines are tender to retrieve images that are most relevant to the users’ queries. Nevertheless, in most cases,queries cannot be represented just by several que...