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MG Electric Vehicle Enthusiasts
MG Electric Vehicle Enthusiasts
signal interference
The signal-to-interference ratio (SIR or S/I), also known as the carrier-to-interference ratio (CIR or C/I), is the quotient between the average received modulated carrier power S or C and the average received co-channel interference power I, i.e. crosstalk, from other transmitters than the useful signal.
The CIR resembles the carrier-to-noise ratio (CNR or C/N), which is the signal-to-noise ratio (SNR or S/N) of a modulated signal before demodulation. A distinction is that interfering radio transmitters contributing to I may be controlled by radio resource management, while N involves noise power from other sources, typically additive white Gaussian noise (AWGN).
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The CIR resembles the carrier-to-noise ratio (CNR or C/N), which is the signal-to-noise ratio (SNR or S/N) of a modulated signal before demodulation. A distinction is that interfering radio transmitters contributing to I may be controlled by radio resource management, while N involves noise power from other sources, typically additive white Gaussian noise (AWGN).
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Radio reception
When listening to DAB radio in my MG3 hybrid+, it keeps fading in and out or pausing and then resuming with an apparent rewind. I could understand if I was out in the wilds, but it occurs in urban areas where I would expect good reception.- bayardmm
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- audio playback dab radio mg3 hybrid+ radio reception signal interference urban reception
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- Forum: MG3 Hybrid+ Forum