IS-95


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IS-95

(Interim Standard-95) The standards name for first-generation CDMA cellphone technology. Operating in the 800 MHz band and the 1.9 GHz PCS band, IS-95, also known as "IS-95A" and "Narrowband CDMA" (N-CDMA), is officially "cdmaOne" by the CDMA Development Group (CDG). IS-95A was first deployed in 1995. In 1999, IS-95B added a 64 Kbps packet capability, enabling data to be transmitted to a CDMA cellphone. IS-95B was superseded by CDMA2000. See CDMA and CDMA2000.


References in periodicals archive ?
5G GPRS; CDMA2000 evolved from the North America Standard IS-95.
Figure 3 shows ACPR performance at 1960 MHz for IS-95, while Figure 4 shows ACPR performance at 1840 MHz for CDMA2000 operation.
As the world's number one mobile phone manufacturer, and as one of the first companies to launch an IS-95 (CDMA) phone, Nokia is committed to maintaining a range of highly competitive phones for all major standards.
The 2029 ARB's memory is segmented into 15 equal blocks, so it can store 15 different waveforms (for example, 15 IS-95 waveforms, each with a duration of 80 ms or four frames).
Dobson Cellular Systems will install Nortel Networks digital infrastructure equipment in Maryland, New York, Ohio and Pennsylvania under a three-year, US$30m contract for AMPS, TDMA IS-136 and cdmaOne IS-95 switching and radio equipment.
The text summarizes the work that has been developed and applied to the design and deployment of IS-95 CDMA systems, and provides an indepth discussion of various engineering guidelines for a multitude of real-world issues involved in the design, deployment and optimization of IS-95 CDMA systems and networks.
It was a IS-95 CDMA phone that was sold to consumers with prepaid airtime and included the capability to add additional minutes.
Both meet requirements of both IS-95 and AMPS standards.
However, the term "CDMA" is also commonly used to refer to one specific family of technologies (eg IS-95 and CDMA2000) that competes with technologies such as GSM.
Speech and channel coding applications in IS-95 CDMA systems are described and the concepts of diversity reception are explained.
This book is written for those individuals interested in learning about the design and operational principles of the IS-95 CDMA spread-spectrum cellular system and related PCS systems.