Aastra DECT EMEA, Руководство пользователя

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Table of contents
Safety Information..................................................................................................................30
Exclusion of Liability .........................................................................................................................................30
Table of contents...............................................................................................................................................31
The DECT EMEA Site Survey Kit ................................................................................................33
Content of the Site Survey Kit.........................................................................................................................33
Basics ......................................................................................................................................34
General ................................................................................................................................................................34
Initial considerations ........................................................................................................................................34
Coverage area ....................................................................................................................................................35
Coverage of a radio system.........................................................................................................................36
Radio characteristic of a base station ............................................................................................................37
High-Frequency Propagation Conditions .....................................................................................................38
Interference factors ......................................................................................................................................38
Reception conditions ...................................................................................................................................39
Using external antennas ..................................................................................................................................40
Fading Effect..................................................................................................................................................41
Measurement/Planning ..........................................................................................................42
Ascertaining customer requirements ............................................................................................................42
Initial Rough Determination of the Base Stations Locations ....................................................................42
On-site measuring.............................................................................................................................................44
Optimum Positioning of the DECT Base Station .....................................................................................44
DECT base station for outdoor supply ......................................................................................................46
DECT base station for indoor supply .........................................................................................................46
Preparing the Measurements .....................................................................................................................47
Handover overlap areas-> Base stations synchronisation....................................................................47
Traffic density ................................................................................................................................................48
Hotspots .........................................................................................................................................................49
Conducting the measurement........................................................................................................................50
Functional test of the testing equipment ................................................................................................50
Setting up an internal connection between the handsets ...................................................................50
Activating the test mode on the handset ................................................................................................51
Measuring procedure...................................................................................................................................52
Using the optional Kirk test handset.........................................................................................................55
Table of contents