Diverse well describes the myriad digital modulation schemes used in modern voice and data communications. The alphabet soup of terminology extends well beyond the familiar QAM and GMSK fundamentals ...

Like other wireless standards, the CDMA air interface has gone through a major overhaul in the last few years. In order to support 3G class services, the CDMA community have added standards like ...

Spread spectrum communications is a method of spreading information signals (typically digital signals) so the frequency bandwidth of the radio channel is much larger than the original information ...

Detailed as the first handheld spectrum analyzer series supporting all registration test items for W-CDMA base stations, the MS2720B series analyzer measures 313 mm x 211 mm x 77 mm and weighs 2.9 kg.

Voice service is a type of communication service where two or more people can transfer information in the voice frequency band (not necessarily voice signals) through a communication network. The ...