Pontes, J., J. Córcoles, M. A. González, and T. Zwick,  "Modal Network Model for MIMO Antenna in-System Optimization",  IEEE Transactions on Antennas and Propagation, vol. 59, no. 2, pp. 643-653, Feb, 2011.

Ahmed, B. T., and M. C. Ramon,  "On the Impact of Ultra-Wideband (UWB) on Macrocell Downlink of UMTS and CDMA-450 Systems",  Electromagnetic Compatibility, IEEE Transactions on, vol. 50, no. 2, pp. 406-412, May, 2008.

Taha-Ahmed, B.,  "Narrow-Band Jamming Mitigation Using Intelligent FDSS System with Triangular Input Pulses",  Wireless Technologies, 2007 European Conference on, pp. 177-180, Oct, 2007.

Ahmed, B. T., M. C. Ramon, and L. H. Ariet,  "On the Impact of Ultra Wide Band (UWB) System on Macrocell Downlink of IS-136 Systems",  Wireless Communication Systems, 2006. ISWCS '06. 3rd International Symposium on, pp. 645-649, Sept, 2006.

Ahmed, B. T.,  "WiMAX in High Altitude Platforms (HAPs) Communications",  Wireless Technology, 2006. The 9th European Conference on, pp. 245-248, Sept, 2006.

Taha-Ahmed, B., M. Calvo-Ramon, and L. de Haro-Ariet,  "High altitude platforms (HAPs) W-CDMA system over cities",  Vehicular Technology Conference, 2005. VTC 2005-Spring. 2005 IEEE 61st, vol. 4, pp. 2673-2677 Vol. 4, May, 2005.

Taha-Ahmed, B., M. Calvo-Ramon, and L. de Haro-Ariet,  "Down-link analysis of a FDSS-GSM overlay system",  Vehicular Technology Conference, 2004. VTC 2004-Spring. 2004 IEEE 59th, vol. 5, pp. 2502-2506, May, 2004.

Taha-Ahmed, B., M. Calvo-Ramon, L. Haro-Ariet, and R. M. Rodriguez-Osorio,  "On the UMTS macrocells downlink capacity in open rural zone near shaded Deep Space Network (DSN) installations",  Vehicular Technology Conference, 2004. VTC2004-Fall. 2004 IEEE 60th, vol. 7, pp. 5245-5249 Vol. 7, Sept, 2004.

Ahmed, B. T., M. C. Ramon, and de. Haro L Ariet,  "On the capacity of air-ground W-CDMA system (downlink analysis)",  Vehicular Technology Conference, 2003. VTC 2003-Spring. The 57th IEEE Semiannual, vol. 1, pp. 103-106 vol.1, April, 2003.

Ahmed, B. T., M. C. Ramon, and L. H. Ariet,  "Quasi-optimum downlink power control of high altitude platform W-CDMA system",  Vehicular Technology Conference, 2003. VTC 2003-Spring. The 57th IEEE Semiannual, vol. 4, pp. 2476-2479 vol.4, April, 2003.

Ahmed, B. T., M. C. Ramon, and L. de Haro y Ariet,  "The capacity of air-ground W-CDMA system (uplink analysis)",  Personal, Indoor and Mobile Radio Communications, 2002. The 13th IEEE International Symposium on, vol. 1, pp. 335-338 vol.1, Sept, 2002.

Ahmed, B. T., M. C. Ramon, and de. Hao L Ariet,  "Partial overlay of intelligent FDSS on microwave point to point link using subchannel suppression, downlink analysis of the FDSS system",  Personal, Indoor and Mobile Radio Communications, 2002. The 13th IEEE International Symposium on, vol. 2, pp. 770-773 vol.2, Sept, 2002.