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, and L. de Haro-Ariet,  "W-CDMA uplink capacity and interference statistics of a long tunnel cigar-shaped microcells (underground train case)",  Personal, Indoor and Mobile Radio Communications, 2004. PIMRC 2004. 15th IEEE International Symposium on, vol. 3, pp. 2231-2235 Vol.3, Sept, 2004.

Taha-Ahmed, B., M. Calvo-Ramon, and L. de Haro-Ariet,  "W-CDMA uplink capacity and interference statistics of a long tunnel cigar-shaped microcells",  Communications and Networks, Journal of, vol. 6, no. 2, pp. 106-111, June, 2004.

Ahmed, B. T., M. C. Ramon, and L. de Haro y Ariet,  "On the capacity and interference statistics of street W-CDMA cross-shaped micro cells in Manhattan environment (uplink analysis)",  Vehicular Technology Conference, 2003. VTC 2003-Spring. The 57th IEEE Semiannual, vol. 1, pp. 107-111 vol.1, April, 2003.

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., C. M Ramon, and de. Haro L Ariet,  "Capacity and interference statistics of highways W-CDMA cigar-shaped microcells (uplink analysis)",  Communications Letters, IEEE, vol. 6, no. 5, pp. 172-174, May, 2002.

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. Ramn, and de. Haro L Ariet,  "The overlay of intelligent FDSS system on N-CDMA system",  Personal, Indoor and Mobile Radio Communications, 2002. The 13th IEEE International Symposium on, vol. 2, pp. 774-778 vol.2, 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.