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Notify user equipment about impending system information changes in the radiocommunication network

A technology of user equipment and system information, applied in wireless communication, electrical components, etc.

Active Publication Date: 2015-10-21
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this approach was found to cause problems with respect to network performance and operation

Method used

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  • Notify user equipment about impending system information changes in the radiocommunication network
  • Notify user equipment about impending system information changes in the radiocommunication network
  • Notify user equipment about impending system information changes in the radiocommunication network

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Embodiment Construction

[0067] Throughout the drawings, the same reference numerals are used for similar or corresponding elements.

[0068] When allowing unsynchronized DRX patterns for connected UEs to avoid load peaks and / or for other reasons, the basic idea is to introduce an additional paging schedule for user equipment in connected mode, which is different from that for idle mode The paging schedule of the user equipment is different.

[0069] Figure 5 is a schematic flowchart illustrating an example of a method for notifying a user equipment of an impending system information change. Step S1 is based on distributing a notification about an upcoming system information change in a paging message according to a first paging schedule for user equipments in idle mode. Step S2 is based on distributing a notification of an upcoming system information change in a paging message according to a second different paging schedule for user equipments in connected mode.

[0070] In this way, satisfactory ...

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PUM

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Abstract

A basic idea is to introduce an additional paging schedule for user equipment in connected mode that differs from the paging schedule used for user equipment in idle mode. Consequently, the inventive mechanism relies on distributing (S1) a notification of an upcoming change of system information in paging messages according to a first paging schedule for user equipment in idle mode, and distributing (S2) a notification of an upcoming change of system information in paging messages according to a second paging schedule for user equipment in connected mode. The second paging schedule for user equipment in connected mode is different from the first paging schedule for user equipment in idle mode. In this way, a satisfactory load distribution is achieved, at the same time as UEs in both connected and idle mode are able to receive important system information notifications.

Description

technical field [0001] The present invention relates generally to radio communication systems and, more particularly, to procedures in such networks relating to changes in system information. Background technique [0002] Once a user terminal has synchronized to a radio cell in the radio communication network, acquired the physical layer identity of the cell and detected the cell frame timing, the terminal must also acquire cell system information. This system information is usually repeatedly broadcast by the network and needs to be acquired by user terminals in order to enable them to access and operate correctly in the network and in a particular cell. [0003] Examples of relevant system information include information related to downlink and uplink cell bandwidth and / or configuration, parameters related to random access transmissions, uplink power control, and the like. [0004] To facilitate a better understanding, an introduction and overview of an exemplary LTE (Lon...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W68/02
CPCH04W68/02
Inventor C·法罗尼厄斯L·赫德伦W·米勒
Owner TELEFON AB LM ERICSSON (PUBL)