@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} } @conference {05-WT-B-HAPSOverCities, title = {High altitude platforms (HAPs) W-CDMA system over cities}, booktitle = {Vehicular Technology Conference, 2005. VTC 2005-Spring. 2005 IEEE 61st}, volume = {4}, year = {2005}, month = {May}, pages = {2673-2677 Vol. 4}, keywords = {Artificial satellites, broadband networks, cellular radio, Cities and towns, code division multiple access, data users, Downlink, downlink capacity, downlink power control model, HAPs, high altitude platform station, Interference, Madrid, Multiaccess communication, nth power distance law, Phased arrays, Power control, Power system modeling, radio links, Satellite broadcasting, telecommunication control, uplink capacity, voice users, W-CDMA system, WCDMA, Wireless communication}, issn = {1550-2252}, doi = {10.1109/VETECS.2005.1543820}, author = {Taha-Ahmed, B and Calvo-Ramon, M and de Haro-Ariet, L} }