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Commercial GPS in the Stratosphere:Cell Phone GPS Receiver Performance on a High Altitude Weather Balloon
Commercial GPS Stratosphere Cell Phone GPS Receiver Performance High Altitude Weather Balloon
2015/6/24
The primary objective of this effort was to characterize the GPS performance of a smartphone at high altitudes.Due to International Traffic in Arms Regulations (ITAR) restrictions in the United States...
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...
UMTS-HSDPA in High Altitude Platforms (HAPs) Communications
HAPs W-CDMA UMTS HSDPA Carrier-to-interference ratio
2009/7/28
In this paper, the performance of HAPs (High Altitudes Platforms) UMTS HSDPA (High Speed Downlink Packet Access) is studied for different HAPs height h, different cells radius R and two directions (0°...