An algorithm for complex spread spectrum in downlink line of mobile link systems CDMA2000 and UMTS. - Petar Petkov Petrov; Valentin Mutkov (CompSysTech, 2008)

Complex spread spectrum in uplink line of mobile link systems CDMA2000 and UMTS. - Petar Petkov Petrov; Valentin Mutkov (CompSysTech, 2008)