ITU G.174:1994

ITU G.174:1994 Transmission Performance Objectives For Terrestrial Digital Wireless Systems Using Portable Terminals To Access The Pstn Provides transmission performance objectives that, if realized, should facilitate widespread user acceptance of emerging wireless technologies. These objectives apply to terrestrial digital wireless s

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Table of Contents

1Scope
2NormativeReferences
3AbbreviationsandDefinitions
4ReferenceConfiguration
5OverallPSTNQualityPerspective
5.1PSTNQualityofServicePerspective
5.2PSTNTransmissionPerformancePerspective
6TransmissionEffectsoftheDigitalRadioChannel
7SpeechTransmissionPerformanceObjectives
7.1General
7.2SpeechCoderPerformance
7.3LoudnessRatings
7.4WeightedTerminalCouplingLoss
7.5Delay
7.6DelayandEchoResponseVariations
7.7ControlofEchofromOutsidetheWirelessSystem
7.8Clipping(temporal)
7.9IdleChannelNoise
7.10NoiseContrastandComfortNoise
7.11RandomBitErrorsandBurstsofErrors
7.12Bandwidth
7.13StabilityLoss(MinimumEchoPathLoss)
7.14QuantizationDistortion
8Voice-bandDataandOtherNon-SpeechTransmission
8.1General
8.2ApplicationRequirements
8.3PerformanceSuitability
8.4Interworking
8.5DTMF
8.6CallProgressSignals

Abstract

Provides transmission performance objectives that, if realized, should facilitate widespread user acceptance of emerging wireless technologies. These objectives apply to terrestrial digital wireless systems that use portable terminals to access the PSTN.

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