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TEMS

™

 AUTOMATIC 8.2

SQI

Speech Quality Index also assesses speech quality as perceived by a mobile 
station user, and is computed by an algorithm that mimics the preferences 
of participants in standardized listening tests. The SQI values are based on 
bit error and frame erasure rates and their respective distributions, as well as 
handover events, DTX percentage, and the choice of speech codec. SQI is ex-
pressed in the MOS scale. TEMS Automatic also now supports AMR-WB.

C/I measurements

TEMS Automatic can also measure C/I, another important parameter when 
assessing radio network performance. C/I is the ratio between the signal 
strength of the current serving cell and the signal strength of interfering 
signal components. C/I is measured in real time in idle, dedicated, and packet 
mode, and can also be measured in frequency hopping networks. The mea-
sured average C/I can be presented for each frequency used, and this data 
makes it possible to identify frequencies exposed to high levels of radio 
interference.

Frequency scanning

Using the handset, the RTU can perform both GSM and WCDMA scanning. In 
GSM scan mode, the handset can scan any channels including BSIC decoding. 
In WCDMA scan mode, the handset can perform CPICH scanning on up to 12 
carriers (UARFCNs), as well as request layer 3 decoding. It is also possible to 
connect an external scanner and have the data uploaded via the RTU.

Содержание TEMS AUTOMATIC - 2

Страница 1: ...TEMS AUTOMATIC AUTONOMOUS NETWORK MONITORING SYSTEM ...

Страница 2: ... high churn declining revenue and lower than expected data usage All operators are looking for ways to control costs maximize their limited resources maintain a high quality offering in order to attract new customers and keep existing customers satisfied TEMS AUTOMATIC 8 2 GAIN CONTROL OF YOUR NETWORK S QUALITY ...

Страница 3: ...not complain but they will be more likely to switch to a competitor In addition these disgruntled subscribers can be a very negative source of word of mouth information regarding your network Yetanotherwaythatnetworkoperatorshavetraditionally obtained net work data is through manual drive tests Drive testing provides a wealth of valuable information but is limited by time and resources Drive tests...

Страница 4: ...customers thus improving customer satisfaction and reducing churn Fewer blocked and dropped calls mean more call time and higher earnings A high Quality ofServicealsofacilitatesattractingnewsubscribers Increase efficiency Because it is autonomous TEMS Automatic is very cost and staff efficient providing a comprehensive and continuously updated overview of the network quality Optimize investments A...

Страница 5: ...al time control Automated measurements in the truest sense of the word Not only test calls and measurements but also data uploading and system configura tion are carried out automatically This enables rapid feedback on the state of the network almost in real time to the entire organization all the way from management to RF engineers in the field Analysis and benchmarking with the aid of map chart ...

Страница 6: ... network situation looks like Managers are able to supervise the organization s processes and the services they offer They can keep track of Key Performance Indicators including speech quality targets by studying reports automatically distilled from measurement data at user specified times They are aided in making decisions on investments and organizational improvements By getting a tighter grip o...

Страница 7: ...in various areas They can under stand coverage and available services as well All of this information can be used to better answer customer questions and address concerns Network Operation staff can monitor network services and receive SNMP alarms for non working services TEMS Automatic is an autonomous system that uses in vehicle fixed location or handheld test probes It sends network information...

Страница 8: ... the network with minimal human effort The system is objective and collects and reveals network quality independently no matter who the infrastruc ture provider s may be A variety of test units including mobile Remote Test Units RTUs handheld test units and fixed RTUs are deployed throughout the network to place test calls that simulate the end user s experience These test units perform network te...

Страница 9: ...foundation for analysis and prob lem solving Data quality Data service performance measurements are performed on the air interface layers RLC LLC and in the application layer TCP by measuring industry standard KPIs These KPIs include setup send receive timers and the various data throughput rates at which services have been transferred over the network Typical services that are used for data testi...

Страница 10: ...ion analysis by giving a more complete view of speech quality as well as making it possible to conclude if a problem is in the fixed or mobile network PESQ PESQ is an objective algorithm used for end to end speech quality assessment It is the ITU T P 862 1 standard algorithm for measuring speech quality providing scores calibrated to the MOS scale In addition TEMS Automatic includes frequent Audio...

Страница 11: ... C I is the ratio between the signal strength of the current serving cell and the signal strength of interfering signal components C I is measured in real time in idle dedicated and packet mode and can also be measured in frequency hopping networks The mea sured average C I can be presented for each frequency used and this data makes it possible to identify frequencies exposed to high levels of ra...

Страница 12: ...options TEMS Automatic is completely scalable From a single server configuration to multiple servers supporting hundreds of RTUs TEMS Automatic systems can expand to accommodate networks of any size Leading operators to success TEMS Automatic is the industry leading autonomous network monitoring solution As a powerful automatic system it provides operators with the information they need Our worldw...

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