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Method and apparatus for specific absorption rate backoff in power headroom report

A technology of power headroom reporting and specific absorption rate, which is applied in power management, wireless communication, electrical components, etc., can solve the problems of increasing the possibility of interference and congested network, and reducing the performance of downlink and uplink

Active Publication Date: 2013-08-28
QUALCOMM INC
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Problems solved by technology

This interference can degrade performance on both the downlink and uplink
[0007] As demand for mobile broadband access grows, with more UEs accessing long-range wireless communication networks and more short-range wireless systems being deployed in communities, the potential for interference and congested networks increases

Method used

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  • Method and apparatus for specific absorption rate backoff in power headroom report
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  • Method and apparatus for specific absorption rate backoff in power headroom report

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Embodiment Construction

[0022] The description of the various configurations will be intended in conjunction with the detailed description of the accompanying drawings, rather than wanting to indicate that the design concept described here can only be implemented by these configurations. For purposes of providing a comprehensive understanding of various design concepts, detailed description includes specific details. However, these design concepts can be implemented without these specific details in those skilled in the art. In order to avoid these design concepts, in some examples, well-known structures and components are shown in block diagram.

[0023] DETAILED DESCRIPTION OF THE DRAWINGS The following detailed description is intended to describe various configurations, which are not intended to limit the scope of the present application. More specifically, a detailed description includes a specific detail to provide a thorough understanding of the subject matter of the present invention. It will be a...

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Abstract

Uplink transmission power adjustment is provided by a mobile device receiving an uplink transmission grant from a serving base station. The mobile device determines a maximum power reduction for uplink transmissions and a SAR-related power reduction. The mobile device compares these values and adjusts transmission power according to the SAR- related power reduction in response to the SAR-related power reduction exceeding the maximum power reduction. A power headroom report is generated when the determined SAR-related power reduction exceeds a previous SAR-related power reduction. This power headroom report is transmitted from the mobile device to the serving base station under various conditions.

Description

[0001] Cross-reference related application [0002] The present application claims the rights of the topic submitted by "Specific ABSorption Rate Backoff in Power Headroom Report", which is described on November 4, 2010, which is clearly explicitly Ensemble this article. Technical field [0003] Aspects of the present application, generally relate to wireless communication systems, and more particularly to power margin reporting in wireless networks. Background technique [0004] Wireless communication networks are widely deployed to provide various communication services, such as voice, video, packet data, messaging, broadcasting, etc. These wireless networks can be multi-access networks that can support multiple users by sharing available network resources. An example of such a network is a Universal Land Wireless Access Network (UTRAN). UTRAN is a wireless access network (RAN) that is defined as part of the General Mobile Telecommunications System (UMTS), which is a third gener...

Claims

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Application Information

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IPC IPC(8): H04W52/36
CPCH04W52/146H04W52/283H04W52/365H04W52/367H04W52/18H04W52/36
Inventor S·Y·D·何V·A·乔治乌P·加尔
Owner QUALCOMM INC
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