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Self calibration of downlink transmit power

A technology of transmission power and maximum transmission power, which is applied in power management, transmission monitoring, electrical components, etc., and can solve problems such as optimal design of radio frequency coverage without femto base stations, RF interference, etc.

Active Publication Date: 2011-04-20
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In some communication systems, the radio frequency ("RF") coverage of femto base stations is not optimally designed by mobile operators, and such base stations are deployed in an ad-hoc manner, which may result in Having RF interference issues

Method used

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  • Self calibration of downlink transmit power
  • Self calibration of downlink transmit power
  • Self calibration of downlink transmit power

Examples

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Embodiment Construction

[0033] Various aspects of the invention are described below. Obviously, the aspects described herein can be implemented in various forms, and any specific structure, function, or both disclosed herein are only illustrative. Based on the content herein, those skilled in the art should recognize that the aspects disclosed herein can be implemented independently of any other aspects, and two or more of these aspects can be combined in various ways. For example, an apparatus can be implemented or a method can be implemented using any number of aspects set forth herein. In addition, using other structures, functions, or structures and functions other than one or more aspects set forth herein, or structures and functions different from one or more aspects set forth herein, such a device or method may be implemented. Furthermore, one aspect includes at least one of the claims.

[0034] figure 1 Exemplary aspects of the network system 100 are shown. The network system 100 includes: mac...

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Abstract

Transmit power (e.g., maximum transmit power) may be defined based on the maximum received signal strength allowed by a receiver and a total received signal strength from transmitting nodes at the receiver. Transmit power may be defined for an access node (e.g., a femto node) such that a corresponding outage created in a cell (e.g., a macro cell) is limited while still providing an acceptable level of coverage for access terminals associated with the access node. An access node may autonomously adjust its transmit power based on channel measurement and a defined coverage hole to mitigate interference and perform a self-calibration process.

Description

[0001] Claim priority based on 35 U.S.C.S.119 [0002] This application claims the priority of U.S. Provisional Patent Application No. 61 / 052,969 and Attorney No. 081595P1 filed on May 13, 2008 and also owned by the applicant in this case. The disclosure of this provisional patent application is incorporated by reference. Incorporated into this article. Technical field [0003] In a nutshell, this application relates to wireless communication. Specifically, this application relates to improving communication performance, but is not limited to this. Background technique [0004] Wireless communication systems are widely deployed to provide various types of communication (for example, voice, data, multimedia services, etc.) to multiple users. With the rapid growth of the demand for high-speed and multimedia data services, it is facing great challenges in realizing an efficient, robust, and enhanced performance communication system. [0005] For example, a base station with a small cov...

Claims

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Application Information

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IPC IPC(8): H04W52/24H04W52/36H04W52/40
CPCH04W52/244H04B17/0077H04W52/367H04W52/245H04W52/241H04W52/40H04B17/0057H04B17/318H04B17/382
Inventor M·亚武兹F·梅什卡蒂M·S·厄勒-卡密S·南达
Owner QUALCOMM INC
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