Technology - Mobile 1 - 2G - Introduction & IS-136 TDMA

Synopsis

Analogue mobile telephony began with many incompatible systems in the 1980s. By the mid 1990s, the 1G AMPS analogue system and its 2G digital descendant IS-136 TDMA were widely used in North America, with AMPS and 2G GSM the most prominent systems in other areas. We discuss these developments and look in detail at IS-136 TDMA.

1. Synopsis
2. Introduction
- 2.1 Mobile cellular defined
- 2.2 1G to 4G and beyond
  - 2.2.1 Mobile broadcasting
3. 1G History
4. AMPS
- 4.1 Spectral efficiency
- 4.2 Security
- 4.3 N-AMPS
- 4.4 IS-54 DAMPS
- 4.5 AMPS closure
5. Terminology and early 2G systems
- 5.1 PCS, PCN, PHS and PDC
- 5.2 Japanese systems
  - 5.2.1 PHS
  - 5.2.2 NTT’s PDC, DoCoMo and i-mode
  - 5.2.3 i-mode’s limitations
6. IS-136 TDMA
- 6.1 800MHz and 1.9GHz
- 6.2 Traffic channels for voice and control
- 6.3 Digital Control Channels (DCCH)
- 6.4 IS-136 future
7. Related reports

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Number of pages: 9

Status: Archived

Last update: 19 March 2007
View update history

Author: Robin Whittle

NOTE: This report has been archived

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