IS-136

IS-136

(Interim Standard-136) The second generation of the TDMA digital cellular system. TDMA operates in North America in the 800 MHz band and 1.9 GHz PCS band. First introduced in 1994, IS-136 is also known as "Digital AMPS" and "D-AMPS." See TDMA and IS-54.


References in periodicals archive ?
The test tool supports more than 100 test devices over a complete set of network technologies, including GSM, GPRS, EDGE, WCDMA, HSPA+, HSDPA DC, LTE, CDMA/EVDO, IS-136, ISDN, PSTN and Ethernet.
The most popular second generation systems are United States digital cellular (USDC) standards IS-54 and IS-136, Global System for Mobile communications (GSM), Pacific Digital Cellular (PDC) and CDMA One [1].
The scanner offers spectrum analyzer-type measurements and full baseband decoding for GSM 850/900/ 1800/1900, GPRS, IS-136, CDMA2000 and WCDMA.
Coupled with any manufacturer's analog RF signal generator, the 2029 can output digital signals in WCDMA, CDMA2000, IS-95, GSM, IS-136 and EDGE.
The added IS-136 test capability in the cellular and PCS bands (options K27 and K28, respectively) and the added AMPS (American Mobile Phone System) test features in the system's existing GSM are part of a continuing series of planned introductions.
Under the agreement Nortel will supply analogue and TDMA IS-136 digital wireless network infrastructure equipment to expand Western Wireless' existing networks in Texas, Oklahoma, Kansas, Nebraska, Minnesota, New Mexico, Missouri, Iowa and South Dakota and for a network buildout in future markets.
GSM handset shipments reached $2 billion last year while CDMA, IS-136 TDMA, PDC and analog chipsets were valued at $1.9 billion.
In addition to the wideband-CDMA harmonization a parallel process to harmonize the evolution of the US-TDMA standard (IS-136) with the GSM evolution towards EDGE (Enhanced Data rates for Global Evolution) is currently ongoing and will unify the TDMA based 3G standards.
If one doesn't know which standard the target is using, the limited number of collection receivers (let's assume we have eight) must be spread among control channels from all three systems (three receivers on AMPS, three receivers on IS-136, and two receivers on GSM control channels).
Ericsson (based in Stockholm, Sweden) said February 5 it has signed a US$30 million contract with CTE Telecom Personal in El Salvador for the construction of a TDMA (IS-136) wireless network to operate in the 1900 MHz band.
Company officials said under the deal Mobitel (Pvt) Ltd's existing Analogue Advanced Mobile System (AMPS) network will be upgraded to AMPS IS-136 TDMA (Time Division Multiple Access) technology which is based on the smooth and cost-effective digital migration capability.