@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 {08-WT-B-ImpactofUWB, title = {On the Impact of Ultra-Wideband (UWB) on Macrocell Downlink of UMTS and CDMA-450 Systems}, journal = {Electromagnetic Compatibility, IEEE Transactions on}, volume = {50}, number = {2}, year = {2008}, month = {May}, pages = {406-412}, keywords = {3G mobile communication, CDMA-450 system, cellular radio, code division multiple access, code division multiple access system, Code division multiple access systems (CDMA-450), Degradation, Downlink, FCC, free-space propagation model, Interference, macrocell downlink, Macrocell networks, macrocell normalized capacity, macrocell normalized range, Radio frequency, radio links, Radio spectrum management, Radio transmitters, ultra wideband communication, ultra wideband emission, Ultra wideband technology, ultra-wideband (UWB), UMTS, Universal Mobile Telecommunication System, universal mobile telecommunication system (UMTS), UWB equivalent isotropically radiated power, UWB interference tolerance}, issn = {0018-9375}, doi = {10.1109/TEMC.2008.919033}, author = {Ahmed, B T and Ramon, M C} } @conference {06-WT-B-UMTSHSDPA, title = {On High Altitude Platforms (HAPs) UMTS-HSDPA}, booktitle = {Wireless Technology, 2006. The 9th European Conference on}, year = {2006}, month = {Sept}, pages = {223-226}, keywords = {3G mobile communication, 64QAM, Antenna measurements, Artificial satellites, Downlink, Gain measurement, HAP, HAPs, high altitude stratospheric platforms, high altitudes platform, high speed downlink packet access, HSDPA, MIMO, Multiaccess communication, packet radio networks, Power control, Power measurement, QPSK, quadrature amplitude modulation, quadrature phase shift keying, radio access networks, Satellite broadcasting, UMTS, UMTS HSDPA, Universal Mobile Telecommunication System, W-CDMA}, doi = {10.1109/ECWT.2006.280476}, author = {Ahmed, B T} } @conference {06-WT-B-ImpactofUWBonIS-136System, title = {On the Impact of Ultra Wide Band (UWB) System on Macrocell Downlink of IS-136 Systems}, booktitle = {Wireless Communication Systems, 2006. ISWCS {\textquoteright}06. 3rd International Symposium on}, year = {2006}, month = {Sept}, pages = {645-649}, keywords = {cellular radio, Downlink, FCC, free space propagation model, Interference, IS-136, IS-136 mobile systems, macrocell downlink, Macrocell networks, Macrocell range, radio links, Radio spectrum management, radiofrequency interference, Space technology, Telecommunication standards, Time division multiple access, ultra wide band system, ultra wideband communication, Ultra wideband technology, UWB, UWB interference}, doi = {10.1109/ISWCS.2006.4362380}, author = {Ahmed, B T and Ramon, M C and Ariet, L H} } @conference {06-WT-B-UMTS-HSDPAusingHAPs, title = {On the UMTS-HSDPA in High Altitude Platforms (HAPs) Communications}, booktitle = {Wireless Communication Systems, 2006. ISWCS {\textquoteright}06. 3rd International Symposium on}, year = {2006}, month = {Sept}, pages = {704-708}, keywords = {3G mobile communication, Artificial satellites, Carrier-to-interference ratio, Downlink, fully loaded rural cells, HAP communications, HAPs, high altitude platforms communications, high altitude stratospheric platforms, high speed downlink packet access, HSDPA, MIMO, Modulation coding, Multiaccess communication, Power control, QAM, QPSK modulation schemes, quadrature amplitude modulation, quadrature phase shift keying, Satellite broadcasting, UMTS, UMTS-HSDPA, W-CDMA, Wireless communication}, doi = {10.1109/ISWCS.2006.4362392}, author = {Ahmed, B T and Ramon, M C and Ariet, L H} } @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} } @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} } @conference {05-WT-B-FDSS, title = {Proposed FDSS UWB communications system}, booktitle = {Wireless Technology, 2005. The European Conference on}, year = {2005}, month = {Oct}, pages = {137-140}, keywords = {440 Mbit/s, channel capacity, Downlink, FCC, FDSS UWB communications system, free space propagation model, Frequency conversion, frequency division spread spectrum, IEEE 802.15.3a channel modeling, IEEE standards, Interference, Phase modulation, Pulse modulation, Radio spectrum management, spread spectrum communication, system downlink capacity, Telecommunication standards, ultra wideband communication, Ultra wideband technology}, doi = {10.1109/ECWT.2005.1617674}, author = {Taha-Ahmed, B} } @conference {04-WT-B-FDSS_GSMOverlay, title = {Down-link analysis of a FDSS-GSM overlay system}, booktitle = {Vehicular Technology Conference, 2004. VTC 2004-Spring. 2004 IEEE 59th}, volume = {5}, year = {2004}, month = {May}, pages = {2502-2506}, keywords = {Base stations, cellular radio, channel capacity, diversity reception, Downlink, downlink analysis, downlink capacity, FDSS-GSM overlay system, Frequency diversity, frequency diversity spread spectrum system, GSM, Interference, mobile system capacity limit, Multiaccess communication, Performance analysis, Power system modeling, spread spectrum communication, System performance}, issn = {1550-2252}, doi = {10.1109/VETECS.2004.1391373}, author = {Taha-Ahmed, B and Calvo-Ramon, M and de Haro-Ariet, L} } @conference {04-WT-B-LeoSatellite, title = {LEO satellite W-CDMA downlink pole capacity}, booktitle = {Wireless Technology, 2004. 7th European Conference on}, year = {2004}, month = {Oct}, pages = {173-176}, keywords = {3G mobile communication, Artificial satellites, Downlink, Interference, Low earth orbit satellites, Multiaccess communication, Phased arrays, Power control, Power system modeling, Satellite broadcasting}, author = {Ahmed, B T and Ramon, M C and Ariet, L H} } @conference {04-WT-B-UMTS, title = {On the UMTS macrocells downlink capacity in open rural zone near shaded Deep Space Network (DSN) installations}, booktitle = {Vehicular Technology Conference, 2004. VTC2004-Fall. 2004 IEEE 60th}, volume = {7}, year = {2004}, month = {Sept}, pages = {5245-5249 Vol. 7}, keywords = {35 km, 3G mobile communication, cellular radio, channel capacity, Diffraction, Downlink, DSN effect, Frequency, Intelligent networks, interference (signal), Macrocell networks, obstacle distance, open rural zone, Propagation losses, radio links, Radio transmitters, receiving antennas, shaded Deep Space Network installations, shaded DSN installation-to-macro-cell distance, space communication links, transmitting antennas, UMTS macrocell downlink capacity}, issn = {1090-3038}, doi = {10.1109/VETECF.2004.1405102}, author = {Taha-Ahmed, B and Calvo-Ramon, M and Haro-Ariet, L and Rodriguez-Osorio, R M} } @conference {03-WT-B-Air-GroundWCDMA, title = {On the capacity of air-ground W-CDMA system (downlink analysis)}, booktitle = {Vehicular Technology Conference, 2003. VTC 2003-Spring. The 57th IEEE Semiannual}, volume = {1}, year = {2003}, month = {April}, pages = {103-106 vol.1}, keywords = {3-D cellular systems, aeronautical mobile radio communication, air-ground WCDMA system, Aircraft, aircraft communication, aircraft height, Base stations, broadband networks, cell radius, cellular like network, cellular radio, code division multiple access, Computer vision, Downlink, downlink capacity analysis, Interference, Land mobile radio, Mobile communication, Multiaccess communication, Propagation losses, radiofrequency interference, Telecommunication standards}, issn = {1090-3038}, doi = {10.1109/VETECS.2003.1207511}, author = {Ahmed, B T and Ramon, M C and de Haro Ariet, L} } @conference {03-WT-B-Air-HAPWCDMASystem, title = {Quasi-optimum downlink power control of high altitude platform W-CDMA system}, booktitle = {Vehicular Technology Conference, 2003. VTC 2003-Spring. The 57th IEEE Semiannual}, volume = {4}, year = {2003}, month = {April}, pages = {2476-2479 vol.4}, keywords = {3G mobile communication, aircraft communication, Base stations, broadband networks, cellular radio, cellular system, code division multiple access, Downlink, Geometrical optics, high altitude platform station, Interference, Multiaccess communication, Phased arrays, Power control, Power system modeling, quasioptimum downlink power control, radio links, telecommunication control, Telecommunication standards, third generation IMT-2000 service, WCDMA system, wideband code division multiple access, Wireless communication}, issn = {1090-3038}, doi = {10.1109/VETECS.2003.1208836}, author = {Ahmed, B T and Ramon, M C and Ariet, L H} } @conference {02-WT-B-N-CDMA, title = {The overlay of intelligent FDSS system on N-CDMA system}, booktitle = {Personal, Indoor and Mobile Radio Communications, 2002. The 13th IEEE International Symposium on}, volume = {2}, year = {2002}, month = {Sept}, pages = {774-778 vol.2}, keywords = {144 kbit/s, 9.6 kbit/s, Base stations, capacity gain, carrier to interference ratio, channel capacity, CIR, code division multiple access, Code division multiplexing, diversity reception, Downlink, Frequency diversity, frequency diversity spread spectrum system, Frequency estimation, imperfect power control, intelligent FDSS system, Intelligent systems, Interference, mobile radio, N-CDMA system, Narrowband, narrowband code division multiplexing access system, Power control, spread spectrum communication, telecommunication control, unilocated base stations, uplink}, doi = {10.1109/PIMRC.2002.1047327}, author = {Ahmed, B T and Ramn, M C and de Haro Ariet, L} } @conference {02-WT-B-FDSSSystems, title = {Partial overlay of intelligent FDSS on microwave point to point link using subchannel suppression, downlink analysis of the FDSS system}, booktitle = {Personal, Indoor and Mobile Radio Communications, 2002. The 13th IEEE International Symposium on}, volume = {2}, year = {2002}, month = {Sept}, pages = {770-773 vol.2}, keywords = {Base stations, Binary phase shift keying, cells, cellular radio, Directive antennas, diversity reception, Downlink, downlink analysis, downlink capacity, frequency diversity spread spectrum system, intelligent FDSS, intelligent system, Interference, Microwave antennas, microwave links, microwave point to point link, overlay parameters, partial overlay, performance, receiving antennas, spread spectrum communication, subchannel suppression, Telecommunication standards, transmitting antennas}, doi = {10.1109/PIMRC.2002.1047326}, author = {Ahmed, B T and Ramon, M C and de Hao Ariet, L} }