Downstream power control in point-to-multipoint systems
First Claim
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1. A point-to-multipoint communications system comprising:
- a base station providing point-to-multipoint service to subscribers in a given area;
said base station including one or more base station transmitters;
a power control system coupled to said base station for controlling downstream power;
said power control system including an off-the-air monitor and pickup antenna located in said given area a given distance from said base station for detecting power transmitted by said one or more base station transmitters and a control signal generator coupled to said monitor to provide power control signals to said one or more base station transmitters for controlling the power from said base station transmitters.
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Abstract
The invention provides methods and systems for power control in point-to-multipoint communications systems. Methods are described for downstream using an off-the-air monitor 31 and pick-up antenna 33. The monitor detects the power level of the pick-up signal and a control signal sets the transmittal output from the base station in proportion to the detected composite power level.
72 Citations
4 Claims
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1. A point-to-multipoint communications system comprising:
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a base station providing point-to-multipoint service to subscribers in a given area;
said base station including one or more base station transmitters;
a power control system coupled to said base station for controlling downstream power;
said power control system including an off-the-air monitor and pickup antenna located in said given area a given distance from said base station for detecting power transmitted by said one or more base station transmitters and a control signal generator coupled to said monitor to provide power control signals to said one or more base station transmitters for controlling the power from said base station transmitters. - View Dependent Claims (2, 3, 4)
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Specification
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Current AssigneeTexas Instruments, Inc.
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Original AssigneeTexas Instruments, Inc.
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InventorsDarbe, Kevin B., Burt, Donald G., Marin, James Scott, Myers, William K., Langston, J. Leland
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Primary Examiner(s)MAUNG, NAY AUNG
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Application NumberUS09/080,072Time in Patent Office1,138 DaysField of Search455/62, 455/67.1, 455/67.3, 455/522, 455/69, 455/422, 455/423-425, 455/127, 370/318, 370/335US Class Current455/424CPC Class CodesH04W 52/343 taking into account loading...H04W 52/346 distributing total power am...
