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Narrowband signal transport sub-system for distributed antenna system
Narrowband signal transport sub-system for distributed antenna system
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机译:分布式天线系统的窄带信号传输子系统
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摘要
A circuit for use within a distributed antenna system includes: demodulators configured to generate respective frequency-shifted downlink signals from a carrier of a plurality of carriers included within a broadband downlink signal received at the circuit, each of the frequency-shifted downlink signals having a respective frequency shift from a frequency of the carrier, wherein the respective frequency shift is based on a bandwidth of a narrowband channel associated with the carrier, and filters communicatively coupled to the demodulators and configured to output a set of narrowband downlink signals, wherein each of the filters has a passband corresponding to the bandwidth of the carrier and is configured to generate a respective narrowband downlink signal of the set of narrowband downlink signals by filtering a respective one of the frequency-shifted downlink signals.
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