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METHOD FOR IMPROVING QUALITY OF CURRENT VOICE FRAME IN MULTIPLE-STATION ACCESS RADIO SYSTEM WITH TIME DIVISION OF CHANNELS AND DEVICE WHICH IMPLEMENTS SAID METHOD

机译:实施时分方法将信道和设备按时分提高多站访问无线电系统中当前语音帧的质量的方法

摘要

FIELD: cellular communication devices. SUBSTANCE: method which is based on soft quality measure involves use of weighted combinations of parameters of previous and current frames, where weight corresponds to probability of error. This results in improved masking of errors in comparison to rigid operations which use binary detection based on repetition of last information frames, in particular, when binary detection is incorrect, or received frame is judged as valid. EFFECT: improved voice quality for low-quality channels, possibility to use parameter-dependent soft information without need to increase bit transmission rate. 20 cl, 5 dwg
机译:领域:蜂窝通信设备。实质:基于软质量度量的方法涉及使用先前帧和当前帧的参数的加权组合,其中权重对应于错误概率。与基于最后信息帧的重复使用二进制检测的刚性操作相比,尤其是在二进制检测不正确或接收到的帧被判断为有效的情况下,与刚性操作相比,这可以改善错误掩盖。效果:改善了低质量信道的语音质量,可以使用依赖于参数的软信息而无需提高比特传输速率。 20厘升,5载重吨

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