Ericsson Introd free download

File name Introd.pdf

Introduction Ericsson Handheld Telephone 1341-B Introduction 2 Introduction Contents General _______________________________________________ 5 The Mobile Telephone Network _______________________ 6 Base Station and Cell ______________________________________ 7 Radio Channels___________________________________________ 7 Radio Coverage __________________________________________ 8 Transmission Control and Communication _____________________ 9 Quality Control __________________________________________ 11 Data Transmission _______________________________________ 11 Data on the Mobile Phone 1341-B ____________________ 13 Dialling and Memory _____________________________________ 13 Monitoring of Call Costs __________________________________ 13 Indicators ______________________________________________ 13 Controls _______________________________________________ 14 System Parameters _______________________________________ 15 Battery Dependent Parameters ______________________________ 15 3 Introduction 4 Introduction General The Ericsson Handheld Telephone 1341-B has been designed for use in the ETACS mobile telephone net. The telephone enables you to make calls as well as receive calls from any location covered by this net. From within this area you can also communicate with any subscriber connected to the international telephone net, provided connection can be made by dialling. In the basic configuration, the handheld telephone includes three parts; tele- phone section (including keypad, character display, earphone and micro- phone), removable battery, and removable antenna. Accessory kits are available for the telephone to be mounted to the dashboard of the car and for handsfree-operated communication. Figure 1. The Handheld Telephone 1341-B 5 Introduction The Mobile Telephone Network A cellular mobile telephone system (CMS) controlled by one single exchange is illustrated in figure 2. The principal units of such a system are: