@conference {09-WT-B-HAPs,
	title = {WiMAX in high altitude platforms (HAPs) communications over large cities},
	booktitle = {Systems, Signals and Devices, 2009. SSD {\textquoteright}09. 6th International Multi-Conference on},
	year = {2009},
	month = {March},
	pages = {1-4},
	keywords = {antenna boresight separation, Antennas, Cities and towns, Costs, Downlink, Electronic mail, HAPs, high altitude stratospheric platforms, large-city high-altitude platform communication, MAN, Metropolitan area networks, OFDM, Physical layer, rain effect, Satellite broadcasting, Signal-to-noise ratio, Telecommunication standards, WiMAX, wireless metropolitan area network},
	doi = {10.1109/SSD.2009.4956681},
	author = {Ahmed, B T and Ramon, M C}
}
@article {03-WT-B-Propagation,
	title = {Comments on the hybrid model for propagation loss prediction in tunnels},
	journal = {Antennas and Propagation Magazine, IEEE},
	volume = {45},
	number = {5},
	year = {2003},
	month = {Oct},
	pages = {156-158},
	keywords = {Attenuation, Electromagnetic modeling, electromagnetic propagation, Electromagnetic waveguides, Electronic mail, Frequency, hybrid model, Microcell networks, microcellular radio, Predictive models, propagation loss prediction, Propagation losses, specific attenuation factor, Telecommunications, tunnels, UHF radio propagation, waveguide model, waveguide theory},
	issn = {1045-9243},
	doi = {10.1109/MAP.2003.1252819},
	author = {Ahmed, B T and Ramon, M C and de Haro Ariet, L}
}
@conference {02-WT-B-Capacityofair-groundW-CDMAsystem(uplinkanalysis,
	title = {The capacity of air-ground W-CDMA system (uplink analysis)},
	booktitle = {Personal, Indoor and Mobile Radio Communications, 2002. The 13th IEEE International Symposium on},
	volume = {1},
	year = {2002},
	month = {Sept},
	pages = {335-338 vol.1},
	keywords = {air-ground W-CDMA system, Aircraft, Base stations, cell height, cell radius, cellular like network, cellular radio, channel capacity, code division multiple access, Computer networks, Computer vision, Electronic mail, Interference, Mobile communication, Multiaccess communication, multiuser channels, Propagation losses, radio links, Telecommunication standards, uplink analysis, uplink capacity, W-CDMA 3D air-to-ground network},
	doi = {10.1109/PIMRC.2002.1046717},
	author = {Ahmed, B T and Ramon, M C and de Haro y Ariet, L}
}
