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Communication Inspection System


The communication inspection system can fulfill the tests for GSM-R electromagnetic
environment, wireless field strength, QoS and application business, and features intelligent analysis of test data, instruction of network optimization implementation
and output of system maintenance as well as management information.

 

Technical index

Inspection Item

Inspection content

Reference Standard

Wireless field strength

GSM-R wireless communication field strength

Test Method of GSM-R

coverage (with additional function of 450MHz

Wireless Network 
Coverage

coverage

wireless field strength coverage test)

and QoS;

 

Connection establish time

GSM 04.08 v8.0.0

 

Probability of connection establishment failure

Three Specifications
 for

 

Success rate of handover

Mobile Communication

General QoS

 

Interface Layer

Quality of voice call

 

Voice call interruption period of group caller and

 
 

callee

 
 

Air interface signaling Resolving

 
 

Probability of connection establishment failure

 
 

Connection establishing Delay

Test Method of GSM-R

 

Transfer delay of subscriber data frames

 Data of circuit domain

Wireless Network 
\Coverage

Probability of link failure

and QoS;

 

Transfer Interference period, transfer error-free

 

GSM 04.08 v8.0.0

 

period

 

Three Specifications
 for

 

Air interface signaling Resolving

 

Mobile Communication

 

Data transfer Delay

 

Interface Layer

 

UDP data packet loss

   

4   Data of PS domain

Data throughput

 

Attachment success rate

 
   
 

Packet data interruption period of cell reselection

 
 

Air interface signaling Resolving

 

Railway application

Transfer success rate of scheduling commands

 

functions

Various scheduling calls Test

 
 
 

Electromagnetic interference along the railway line

on-line interference

Electromagnetic

CIR of GSM-R C/I

inspection Features

environment

Pinpoint external networks interference of GSM-R

Inspect the interference
 base

 

station of public network

 

Application performance

CRH2-150C inspection speed 350km/h
CRH2-061C inspection speed 350km/h
CRH2-068Cinspection speed 350km/h
CRH2-010A inspection speed 250km/h
CRH380A-001 inspection speed 350km/h
CRH380B-002 inspection speed 350km/h
Number 0 high-speed comprehensive inspection train Inspection speed: 250km/h

 

Installation of Inspection Antenna

 

Interface for Simultaneous Test of Multi-task

Playing-back & Analysis of GSM-R QoS Inspection Data