@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 {06-WT-B-WiMAX, title = {WiMAX in High Altitude Platforms (HAPs) Communications}, booktitle = {Wireless Technology, 2006. The 9th European Conference on}, year = {2006}, month = {Sept}, pages = {245-248}, keywords = {7 cells network, antenna boresight separation, Artificial satellites, cellular radio, Downlink, HAP communication, HAPs, high altitude platform, high altitude stratospheric platforms, Metropolitan area networks, Physical layer, power level transmission, Satellite broadcasting, Signal to noise ratio, Signal-to-noise ratio, Telecommunication standards, transmitting antennas, WiMAX, Wireless communication}, doi = {10.1109/ECWT.2006.280482}, author = {Ahmed, B T} }