Abstract :
This article focuses on voice communications using mobile (cell) phones over mobile/cellular networks. The advances in processors, memory, signal processing, communication technologies, and several related techniques, personal mobile communications has witnessed tremendous growth. A typical mobile communication network consists of: mobile devices, BS, mobile switching centers, gateway mobile switching center. Cell phones communicate wirelessly with BSs. Base stations communicate with MSCs on fiber-optic cables or microwave links. Some of the extensions are also made in the cell phone, MMS, JPEG format, MPEG format, graphics, and animation.
Keywords :
cellular radio; data compression; electronic messaging; microwave links; telecommunication switching; video coding; JPEG format; MMS; MPEG format; cellular network; computer graphics-animation; fiber-optic cable; gateway mobile switching center; microwave link; mobile device; mobile phone; personal mobile communication; processor memory; signal processing; voice communication; Base stations; Cellular phones; Communication switching; Communications technology; Land mobile radio cellular systems; Mobile communication; Optical fiber cables; Optical fiber communication; Optical fiber devices; Signal processing;