POWER CONTROL FOR A NETWORK OF ACCESS POINTS
First Claim
Patent Images
1. A communication apparatus, comprising:
- a receiver configured to receive measurement reports from an access terminal conducting a training walk calibration procedure for a network of femtocells, wherein the measurement reports are associated with a plurality of locations of the access terminal; and
a processing system configured to control transmit power of at least one of the femtocells based on the received measurement reports, wherein the transmit power is controlled to meet at least one criterion at at least one of the locations.
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Abstract
A power calibration scheme adjusts power levels of network of femtocells based on macro signals seen at different points in and around a coverage area and based on the mutual positions of the femtocells (e.g., based on femtocell signals seen at these points). The power calibration scheme thus facilitates a good balance between providing a desired level of coverage and mitigation of interference to nearby macrocells and femtocells.
41 Citations
57 Claims
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1. A communication apparatus, comprising:
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a receiver configured to receive measurement reports from an access terminal conducting a training walk calibration procedure for a network of femtocells, wherein the measurement reports are associated with a plurality of locations of the access terminal; and a processing system configured to control transmit power of at least one of the femtocells based on the received measurement reports, wherein the transmit power is controlled to meet at least one criterion at at least one of the locations. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A power control method, comprising:
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receiving measurement reports from an access terminal conducting a training walk calibration procedure for a network of femtocells, wherein the measurement reports are associated with a plurality of locations of the access terminal; and controlling transmit power of at least one of the femtocells based on the received measurement reports, wherein the transmit power is controlled to meet at least one criterion at at least one of the locations. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27)
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28. A communication apparatus, comprising:
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means for receiving measurement reports from an access terminal conducting a training walk calibration procedure for a network of femtocells, wherein the measurement reports are associated with a plurality of locations of the access terminal; and means for controlling transmit power of at least one of the femtocells based on the received measurement reports, wherein the transmit power is controlled to meet at least one criterion at at least one of the locations. - View Dependent Claims (29, 30, 31)
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32. A computer-program product, comprising:
computer-readable medium comprising code for causing a computer to; receive measurement reports from an access terminal conducting a training walk calibration procedure for a network of femtocells, wherein the measurement reports are associated with a plurality of locations of the access terminal; and control transmit power of at least one of the femtocells based on the received measurement reports, wherein the transmit power is controlled to meet at least one criterion at at least one of the locations. - View Dependent Claims (33, 34, 35)
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36. A communication apparatus, comprising:
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a receiver configured to receive information obtained as a result of a training walk calibration procedure performed for a network of femtocells; and a processing system configured to identify a reconfiguration triggering condition based on the received information, and further configured to generate an indication to reconfigure the femtocells as a result of the identification of the reconfiguration triggering condition. - View Dependent Claims (37, 38, 39, 40, 41, 42)
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43. A femtocell configuration method, comprising:
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receiving information obtained as a result of a training walk calibration procedure performed for a network of femtocells; identifying a reconfiguration triggering condition based on the received information; and generating an indication to reconfigure the femtocells as a result of the identification of the reconfiguration triggering condition. - View Dependent Claims (44, 45, 46, 47)
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48. A communication apparatus, comprising:
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means for receiving information obtained as a result of a training walk calibration procedure performed for a network of femtocells; means for identifying a reconfiguration triggering condition based on the received information; and means for generating an indication to reconfigure the femtocells as a result of the identification of the reconfiguration triggering condition. - View Dependent Claims (49, 50, 51, 52)
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53. A computer-program product, comprising:
computer-readable medium comprising code for causing a computer to; receive information obtained as a result of a training walk calibration procedure performed for a network of femtocells; identify a reconfiguration triggering condition based on the received information; and generate an indication to reconfigure the femtocells as a result of the identification of the reconfiguration triggering condition. - View Dependent Claims (54, 55, 56, 57)
Specification