Method and apparatus for SAR fallback in power headroom reporting

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: 2016-04-06
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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 SAR fallback in power headroom reporting
  • Method and apparatus for SAR fallback in power headroom reporting
  • Method and apparatus for SAR fallback in power headroom reporting

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Embodiment Construction

[0022] The following detailed description in conjunction with the accompanying drawings is intended to be an illustration of various configurations, rather than to indicate that the design concept described herein can only be realized through these configurations. The detailed description includes specific details for the purpose of providing a thorough understanding of various design concepts. It will be apparent, however, to one skilled in the art that these design concepts may be practiced without these specific details. In some instances, well-known structures and components are shown in block diagram form in order to avoid obscuring these design concepts.

[0023] The detailed description set forth below in conjunction with the accompanying drawings is intended to describe various configurations, and is not intended to limit the scope of the present application. Rather, the detailed description includes specific details in order to provide a thorough understanding of the...

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Abstract

Uplink transmit power adjustment is provided by the mobile device receiving an uplink transmission grant from the serving base station. The mobile device determines a maximum power reduction and a SAR-related power reduction for uplink transmissions. The mobile device compares these values ​​and adjusts the transmit 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. Under various conditions, the power headroom report is sent from the mobile device to the serving base station.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Provisional Patent Application No. 61 / 410,328, filed November 4, 2010, entitled "SPECIFICABSORPTION RATE BACKOFFINPOWER HEADROOM REPORT," which is hereby expressly incorporated by reference in its entirety. technical field [0003] Aspects of the present application relate generally to wireless communication systems, and more particularly, to power headroom reporting processing in wireless networks. Background technique [0004] Wireless communication networks are widely deployed to provide various communication services such as voice, video, packet data, messaging, broadcast and so on. These wireless networks may be multiple-access networks capable of supporting multiple users by sharing available network resources. An example of such a network is the Universal Terrestrial Radio Access Network (UTRAN). UTRAN is the radio access network (RAN) defined as part of the Universal ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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