Adaptation of transmit power for neighboring nodes

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

Active Publication Date: 2010-07-14
QUALCOMM INC
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  • 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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  • Adaptation of transmit power for neighboring nodes
  • Adaptation of transmit power for neighboring nodes
  • Adaptation of transmit power for neighboring nodes

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Embodiment Construction

[0036] Various aspects of the invention are described below. It should be apparent that the content herein may be implemented in a variety of forms and that any specific structure, function, or both disclosed herein is illustrative only. Based on the teachings herein one skilled in the art should appreciate that an aspect disclosed herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented or a method may be implemented using any number of the aspects set forth herein. In addition, such an apparatus may be implemented or such a device may be implemented using other structures, functions, or structures and functions in addition to or different from one or more aspects set forth herein. method. Furthermore, an aspect comprises at least one of the claims.

[0037] figure 1 An exemplary aspect of a network system 100 is shown that includes macro-scale coverage (e...

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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 minimum coupling loss from a transmitting node to a 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. Transmit power may be defined based on channel quality. Transmit power may be defined based on a signal-to-noise ratio at an access terminal. The transmit power of neighboring access nodes also may be controlled by inter-access node signaling.

Description

[0001] Priority claim based on 35 U.S.C. §119 [0002] This application claims the benefit and priority of U.S. Provisional Patent Application No. 60 / 955,301, Attorney Docket No. 072134P1, filed August 10, 2007 and filed August 24, 2007, commonly owned by the applicants in this case US Provisional Patent Application No. 60 / 957,967, Attorney's Docket No. 072134P2, the disclosure of each of which is hereby incorporated by reference into this application. technical field [0003] In general, the present application relates to wireless communication, and in particular, but not limited to, improving communication performance. Background technique [0004] Wireless communication systems have been widely deployed to provide various types of communications (eg, voice services, data services, multimedia services, etc.) to multiple users. With the rapidly growing demand for high-speed and multimedia data services, challenges are faced in realizing efficient, robust, and performance-e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/04
CPCH04W52/244H04W52/40H04W52/367H04W36/04H04W52/143H04W16/16H04W52/245H04W52/24H04W52/32
Inventor M·亚武兹S·南达M·S·厄勒-卡密
Owner QUALCOMM INC
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