Systems and methods for a self-optimizing distributed antenna system
First Claim
1. A method for adjusting performance in a distributed antenna system, the method comprising:
- adjusting the performance of one or more remote units in the distributed antenna system during a startup phase based on a spectral environment of the one or more remote units, wherein the spectral environment is monitored with a scanning receiver on the one or more remote units; and
adjusting the performance of the one or more remote units during a normal operation phase of the one or more remote units;
wherein adjusting the performance of the one or more remote units during at least one of the startup phase and the normal operation phase comprises setting transmission power and uplink gain for one or more transceivers in the one or more remote units based on measurements of the spectral environment acquired by one or more scanning receivers in the one or more remote units,wherein setting the uplink gain for the one or more transceivers during the normal operation phase comprises at least one of;
adjusting the uplink gain based on a number of times an uplink limiter engages within a specified time period; and
adjusting the uplink gain based on a failure of one or more of the plurality of remote units;
wherein the one or more transceivers are configured to communicate radio frequency signals with mobile devices.
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Accused Products
Abstract
Systems and methods for a self-optimizing distributed antenna system are provided. In certain embodiments, a distributed antenna system comprises a host unit configured to control the operation of the distributed antenna system; and a plurality of remote units coupled to the host unit. In at least one embodiment, a remote unit in the plurality of remote antenna units comprises a scanning receiver configured to receive signals in a plurality of frequency bands; at least one transceiver configured to transmit and receive signals in a frequency band in the plurality of frequency bands; and a remote unit controller configured to control an uplink gain level of the at least one transceiver and tune the scanning receiver to a frequency band in the plurality of frequency bands.
230 Citations
38 Claims
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1. A method for adjusting performance in a distributed antenna system, the method comprising:
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adjusting the performance of one or more remote units in the distributed antenna system during a startup phase based on a spectral environment of the one or more remote units, wherein the spectral environment is monitored with a scanning receiver on the one or more remote units; and adjusting the performance of the one or more remote units during a normal operation phase of the one or more remote units; wherein adjusting the performance of the one or more remote units during at least one of the startup phase and the normal operation phase comprises setting transmission power and uplink gain for one or more transceivers in the one or more remote units based on measurements of the spectral environment acquired by one or more scanning receivers in the one or more remote units, wherein setting the uplink gain for the one or more transceivers during the normal operation phase comprises at least one of; adjusting the uplink gain based on a number of times an uplink limiter engages within a specified time period; and adjusting the uplink gain based on a failure of one or more of the plurality of remote units; wherein the one or more transceivers are configured to communicate radio frequency signals with mobile devices. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A distributed antenna system, the system comprising:
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a host unit configured to control the operation of the distributed antenna system; a plurality of remote units coupled to the host unit, wherein a remote unit in the plurality of remote antenna units comprises; a scanning receiver configured to receive a plurality of signals in a plurality of frequency bands; at least one transceiver configured to transmit and receive signals in a frequency band in the plurality of frequency bands; and a remote unit controller configured to control an uplink gain level of the at least one transceiver and tune the scanning receiver to a frequency band in the plurality of frequency bands, wherein the remote unit controller controls the uplink gain level during a normal operation phase for the plurality of remote units based on at least one of; adjusting the uplink gain level based on a number of times an uplink limiter engages within a specified time period; and adjusting the uplink gain level based on a failure of one or more of the plurality of remote units. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A method for adjusting the performance of a distributed antenna system, the method comprising:
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tuning a receive frequency of a scanning receiver in one or more remote units to receive signals in a frequency band, wherein the scanning receiver is tunable to receive signals in a plurality of frequency bands; measuring characteristics of the signals received in the plurality of frequency bands; transmitting the measured characteristics to a system controller; setting transmission power and uplink gain for at least one transceiver in the one or more remote units based on-the measured characteristics and setting the uplink gain during a normal operation phase based on at least one of; a number of times an uplink limiter engages within a specified time period; and a failure of one or more of the one or more remote units; wherein the at least one transceiver is configured to communicate radio frequency signals with mobile devices. - View Dependent Claims (24, 25, 26)
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27. A remote unit, the remote unit comprising:
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at least one transceiver configured to communicate radio frequency signals with mobile devices, wherein each transceiver in the at least one transceiver is configured to transmit and receive signals in a particular frequency band; a scanning receiver that is tunable to receive radio frequency signals in a plurality of frequency bands, wherein the plurality of frequency bands comprises frequency bands associated with the at least one transceiver; and a controller configured to tune the scanning receiver to a frequency band in the plurality of frequency bands, wherein the controller sets an uplink gain for the at least one transceiver during a normal operation phase based on at least one of; a number of times an uplink limiter engages within a specified time period; and a failure of another remote unit. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35, 36)
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37. A method for adjusting the performance of a distributed antenna system, the method comprising:
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transmitting a signal in a frequency band from a first transceiver in a first remote unit; tuning a second scanning receiver in a second remote unit to the frequency band, wherein the second remote unit includes the second scanning receiver and a second transceiver, determining a power level of the signal received at the second remote unit; and adjusting a transmission power level of the first transceiver in the first remote unit based on the determined power level; and adjusting an uplink gain for the first transceiver during the normal operation phase of the first transceiver based on at least one of; a number of times an uplink limiter engages within a specified time period; and a failure of the second remote unit. - View Dependent Claims (38)
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Specification