Small signal threshold and proportional gain distributed digital communications
First Claim
1. An apparatus for gain distribution in a system comprising a plurality of distributed antennas and a total system dynamic range, the apparatus comprising:
- means for sensing a signal level at each of the plurality of distributed antennas;
means for comparing at least one of the plurality of signal levels with a dynamic range fair share threshold; and
means for attenuating each of the at least one of the compared signal levels that is greater than the dynamic range fair share threshold with a gain factor that is determined in response to a remaining portion of the total system dynamic range after attenuation of other signal levels of the plurality of signal levels.
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Abstract
An apparatus for gain distribution in a system comprising a plurality of distributed antennas and a total system dynamic range is disclosed. The apparatus includes means for sensing a signal level at each of the plurality of distributed antennas, means for comparing at least one of the plurality of signal levels with a dynamic range fair share threshold, and means for attenuating each of the at least one of the compared signal levels that is greater than the dynamic range fair share threshold with a gain factor that is determined in response to a remaining portion of the total system dynamic range after attenuation of other signal levels of the plurality of signal levels.
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Citations
20 Claims
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1. An apparatus for gain distribution in a system comprising a plurality of distributed antennas and a total system dynamic range, the apparatus comprising:
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means for sensing a signal level at each of the plurality of distributed antennas; means for comparing at least one of the plurality of signal levels with a dynamic range fair share threshold; and means for attenuating each of the at least one of the compared signal levels that is greater than the dynamic range fair share threshold with a gain factor that is determined in response to a remaining portion of the total system dynamic range after attenuation of other signal levels of the plurality of signal levels. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A circuit for gain distribution in a distributed antenna system having a system dynamic range, the circuit comprising:
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means for sorting, in ascending order, a plurality of signal levels from the distributed antenna system; means, responsive to the means for sorting, for comparing a first signal level of the plurality of sorted signal levels with a dynamic range fair share threshold; and means, responsive to the means for comparing, for attenuating each of the at least one of the compared signal levels that is greater than the dynamic range fair share threshold with a gain factor that is determined in response to a remaining portion of the total system dynamic range after attenuation of other signal levels of the plurality of signal levels. - View Dependent Claims (8, 9, 10)
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11. A method for operating a distributed antenna system having gain distribution and a total dynamic range, the method comprising:
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receiving signals at one or more controllers within a distributed antenna system having gain distribution and a total dynamic range, each of the signals having a signal level; sensing each signal level with a signal level sampling function in each of the one or more controllers; generating comparison results at each of the one or more controllers in response to a comparison between a sorted signal and a dynamic range fair share threshold; generating a remaining system dynamic range at each of the one or more controllers by decreasing the total dynamic range by each attenuated signal level; and progressively generating a gain factor at each of the one or more controllers for each received signal in ascending order in response to each comparison result. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification