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Antenna array optimisation using semidefinite programming for cellular communications from HAPs

By Z. Xu, Y. Zakharov and G. White


Array pattern optimisation based on semidefinite programming (SDP) is proposed to improve the coverage performance of cellular communications from High Altitude Platforms (HAPs). This optimisation, when applied to a linear vertical array of N omnidirectional antenna elements, allows a coverage performance better than that of an array of N narrowbeam aperture antennas forming hexagonal cells on the ground. In addition to the performance enhancement, the HAP antenna payload can be significantly reduced

Year: 2007
DOI identifier: 10.1049/el:20072947
OAI identifier:

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