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Alleviating mobile device overload conditions in a mobile communication system

A technology for mobile communication systems and conditions, applied in the field of operating mobile devices to avoid or alleviate overload conditions in mobile communication systems, capable of solving problems such as timing loss, out-of-synchronization, and call loss

Active Publication Date: 2014-06-04
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But relying on retransmissions after an overload has occurred can cause a loss of timing in the user equipment's real-time processing, which in turn causes the risk of the user equipment getting out of sync and having existing calls lost

Method used

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  • Alleviating mobile device overload conditions in a mobile communication system
  • Alleviating mobile device overload conditions in a mobile communication system
  • Alleviating mobile device overload conditions in a mobile communication system

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Embodiment Construction

[0028] The various features of the invention will now be described with reference to the drawings, wherein like parts are identified by like reference numerals.

[0029] Various aspects of the invention will now be described in more detail in connection with several exemplary embodiments. To facilitate an understanding of the invention, many aspects of the invention are described in terms of sequences of actions performed by elements of a computer system or other hardware capable of executing programmed instructions. It will be appreciated that, in each of the embodiments, the various acts may be performed by dedicated circuitry (such as discrete logic gates interconnected to perform the dedicated function), program instructions executed by one or more processors, or a combination of both. Furthermore, the invention may also be considered fully embodied in any form of computer-readable carrier, such as solid-state memory, magnetic or optical disk, containing an appropriate set...

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Abstract

A user equipment (UE) in a mobile communications system is operated in a manner that alleviates or avoids an overload condition in the UE. This involves operating a receiver of the UE to receive one or more data blocks via a channel. In response to a user equipment overload condition being detected, a channel quality indicator (CQI) value is reported to a serving base station, wherein the reported CQI value represents a channel quality that is lower than an actual quality of the channel. The UE is then operated in a manner that is consistent with the reported CQI value. UE overload conditions include overheating, and an inability to process received data blocks at the rate at which they are being received.

Description

technical field [0001] The present invention relates to mobile communications, and more particularly to methods and apparatus for operating mobile devices to avoid or mitigate overload conditions in mobile communications systems. Background technique [0002] The upcoming Evolved Universal Terrestrial Radio Access Network (E-UTRAN) Long Term Evolution as defined by 3GPP TR 36.201 "Evolved Universal Terrestrial Radio Access (E-UTRA); Long Term Evolution (LTE) physical layer; General description" (LTE) technology will be able to operate over a very wide span of operating bandwidth (eg 1.4 MHz to 20 MHz) and also carrier frequencies. Furthermore, the E-UTRAN system will be able to operate over a wide range of distances, from micro cells (i.e. cells served by low power base stations covering limited areas such as shopping malls or other buildings accessible to the public) up to range of macro cells. In order to handle different radio conditions that may arise in different appl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04B1/40
CPCH04L1/0026H04W72/1252H04L1/0028H04L1/0036H04B1/40H04L1/0031H04W72/1284H04L1/1607H04B1/036H04W72/52H04W72/21
Inventor B·林多夫W·安齐尔A·维尔德T·帕莱尼厄斯B·伯恩哈德森J·尼尔森
Owner TELEFON AB LM ERICSSON (PUBL)