IS-136

Specification of TDMA/IS-136 was established in 1998 in the United States Telecom Association (Telecommunications Industry Association, TIA) to digitalization widespread in America analog standard AMPS (Advanced Mobile Phone Service). For compatibility with the specifications of TDMA/AMPS IS-136 used carrier band width 30 kHz, in which three slot. Unlike the system frequency separation, all subscribers of TDMA systems work in the same frequency range, but each has a temporary restriction of access. Every Subscriber is allocated time slot during which he is allowed to "broadcast". After one Subscriber completes the broadcast licence is transferred to the next and so forth Today IS-136 in no way be considered as deadlock branch of cellular communication development (another question which fate the standard in our country). Like GSM, this standard provides for progressive steps in the transition to the third generation: GPRS, EDGE, etc. Links IS-136 Category: mobile telephony Standards