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Device and method for discontinuous reception in idle state

A discontinuous reception, idle state technology, applied in the field of communications, can solve the problems of short paging cycle, disadvantageous UE power saving, etc., and achieve the effects of good compatibility, power saving, and paging cycle extension

Active Publication Date: 2013-02-06
HUAWEI TECH CO LTD
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Problems solved by technology

[0008] The unit of cycle in the prior art defaults to milliseconds. It can be seen from the regulations in the LTE standard that the maximum paging cycle is only 512ms, so the technical solution of the prior art has a short paging cycle, and the UE needs to Wake up to listen to paging messages, which is not conducive to UE power saving

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  • Device and method for discontinuous reception in idle state
  • Device and method for discontinuous reception in idle state
  • Device and method for discontinuous reception in idle state

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Embodiment Construction

[0032] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0033] The specific embodiment of the present invention provides a discontinuous reception method in an idle state. The technical scenario implemented by the method is: the method is completed between the UE, the MME and the eNB. The method is as follows: figure 1 shown, including:

[0034] S11. Send a NAS message to the MME, the NAS message includes: a UE-specific value of the DRX cycle and a time unit of the cycle; so that the MME carries the value of the DRX cycle and the time unit of the DRX cycle in the The paging message on the CN side of the core network is forwarded to the evolved base sta...

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Abstract

The invention is applicable to the field of communication and provides a system, a device and a method for discontinuous reception in an idle state. The method includes: sending an NAS (non-access stratum) message to an MME (mobility management entity), wherein the NAS message includes numerical values of a specific DRX (discontinuous reception) period of UE (user equipment) and a time unit of the DRX period; the MME is enabled to carry the numerical values of the DRX period and the time unit of the DRX period in a CN (core network) side paging message and transfer to an eNB (evolved node base); and calculating paging moment according to the numerical values of the DRX period and the time unit of the DRX period, and receiving RAN (radio access network) side paging messages sent by the eNB at the paging moment. The system, the device and the method for discontinuous reception in the idle state have the advantages that that DRX period is prolonged and UE (user equipment) electricity quantity is saved.

Description

technical field [0001] The invention belongs to the communication field, in particular to a method and device for discontinuous reception in an idle state. Background technique [0002] In the Long Term Evolution (LTE) standard, the radio access network (Radio Access Network, RAN) side defines two states of a user equipment (User Equipment, UE): an idle state and a connected state. The UE in the idle state can receive system information broadcast, monitor the paging channel, cell reselection, etc. At this time, the evolved base station (Evolved Node Base, eNB) does not save the radio resource control (Radio Resource Control, RRC) context of the UE ; In the connected state, an RRC connection has been established between the UE and the eNB, and the RRC context of the UE is saved. The UE in the connected state can perform system information capture, measurement and measurement reporting, and data reception with the network And send, monitor control channel, etc. In addition, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/02H04W68/00H04W76/04
CPCH04W52/02H04W68/005H04W52/0216H04W76/04Y02B60/50H04W68/00Y02D30/70
Inventor 夏金环
Owner HUAWEI TECH CO LTD
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