Differential pitch sensitivity of the ear: Data on the

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Instead of using a service that has to be shared with others, a firm may lease its own private lines or entire networks from carriers. Resulting amplified spontaneous emission accumulation must therefore be suppressed. Theoretical conversion efficiency of –4 dB is acceptable, but practical devices are still far from that value. The decision to increase or decrease the mobile and/or the base station transmit power level(s) is made by comparing measured received signal level and quality (BER) values with predetermined threshold values.

Pages: 13

Publisher: Bell Telephone Laboratories?] (1931)


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Bell telephone system technical publications

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Bell telephone system technical publications

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