Audio Note VINDICATOR Manual de usuario descargar pdf (Pagina 17)

•Method •Pros •Cons

•Signal Level •+ Test can be automated

•+ Specialized test equipment not req’d

•+ Aligns well with coverage prediction

•- Does not consider localized noise and

interference environments

•- Does not verify digital system components

and overall system operation

•- Far removed from user experience (i.e. may

not be reflective of real voice quality)

•- Typically only used to measure one path

direction

•Bit Error Rate or

•Frame Error Rate

•+ Test can be automated

•+ Good measure of C/(I+N)

•+ Verifies some of the digital elements

•- Specialized test equipment required

•- Does not verify all system elements

•- Somewhat abstract from actual user

experience

•- Typically only used to measure one path

direction

•Voice (DAQ)

Testing

•+ Reflects end user experience

•+ Incorporates roaming impacts

•+ Automated data collection

•+ Specialized test equipment not req’d

•+ Exercises all system elements

-- Data evaluation is manual , subjective and

time consuming, or

-- Automated using expensive software

•- Difficult to ‘mine’ data to identify problem

origins (should they exist)

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Audio Note VINDICATOR Manual de usuario Pagina 17