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System Introduction
Ericsson Mobile Phone EF738
System Introduction
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System Introduction
Contents
The Mobile Telephone Network _______________________ 5
Base Station and Cell ______________________________________ 6
Radio Channels ___________________________________________ 6
Radio Coverage ___________________________________________ 7
Transmission Control and Communication ____________________ 8
Quality Control ___________________________________________ 9
Data Transmission________________________________________ 10
Frequency Tables ___________________________________11
Table 1: Channels 1329 - 2047 ______________________________ 12
Channels 1329 - 1478 ___________________________________ 12
Channels 1479 - 1628 ___________________________________ 13
Channels 1629 - 1778 ___________________________________ 14
Channels 1779 - 1928 ___________________________________ 15
Channels 1929 - 2047 ___________________________________ 16
Table 2: Channels 0 - 600 __________________________________ 17
Channels 0 - 149 _______________________________________ 17
Channels 150 - 299 _____________________________________ 18
Channels 300 - 449 _____________________________________ 19
Channels 450 - 600 _____________________________________ 20
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System Introduction
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System Introduction
The Mobile Telephone Network
A cellular mobile telephone system (CMS) controlled by one single exchange is
illustrated in fig. 1. The basic units of such a system are: