Multiantenna Digital Radio Transmission
Multiantenna Digital Radio Transmission
On Limits of Wireless Communications in a Fading Environment when UsingMultiple Antennas
Wireless Personal Communications: An International Journal
Wireless Personal Communications: An International Journal
Performance of Multiple High Altitude Platforms using Directive HAP and User Antennas
Wireless Personal Communications: An International Journal
Integrating users into the wider broadband network via high altitude platforms
IEEE Wireless Communications
Improving the system capacity of broadband services using multiple high-altitude platforms
IEEE Transactions on Wireless Communications
Three-dimensional spatial fading correlation models for compact MIMO receivers
IEEE Transactions on Wireless Communications
IEEE Communications Magazine
Small-scale fading for high-altitude platform (HAP) propagation channels
IEEE Journal on Selected Areas in Communications
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In this paper we address the potential gain of using compact MIMO antenna array configurations in conjunction with HAP (High Altitude Platforms) diversity techniques in order to increase the data rates in HAP communication systems. We will also investigate the effects of spatial correlation and mutual coupling between the separate antenna elements on system performance. Simulation results show that although the capacity is degraded by correlation and mutual coupling, we still achieve significant capacity gain compared to the single HAP case. In addition, we evaluate the performance of the system for different separation angles between HAPs, and determine the optimal separation angle that maximizes the total capacity of the system.