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Method for negotiating DRX period in mobile communication system

A mobile communication system and signaling technology, applied in wireless communication, communication between multiple stations, network traffic/resource management, etc., can solve problems such as non-support, active request for DRX cycle, and no way UE

Active Publication Date: 2008-01-23
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Abstract
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Problems solved by technology

However, this method has the following problems: (1) This method is limited to the UE attached to the CN of the packet (PS) domain, and for the UE attached to the CN of the circuit (CS) domain, there is currently no way for the UE to actively request the desired DRX cycle; ( 2) In this method, the value range of the requested DRX cycle sent by the UE is {640ms, 1280ms, 2560ms, 5120ms}, which is consistent with the DRX cycle in the CN domain. If the UE needs to request a shorter or longer DRX cycle for a specific purpose, The current protocol does not support it; (3) This method is limited to the DRX cycle negotiation between UE and CN. For the DRX cycle negotiation between UE and UTRAN in connected mode, the current protocol does not support it

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  • Method for negotiating DRX period in mobile communication system
  • Method for negotiating DRX period in mobile communication system

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Embodiment Construction

[0033] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0034] Fig. 1 shows the flow of a preferred embodiment of the DRX cycle negotiation method of the present invention. Please refer to Fig. 1, the following is a detailed description of each step in the method flow.

[0035] Step S1: The UE receives the air interface signaling to obtain the DRX cycle configured by the network side, and saves the cycle in the UE. The air interface signaling only needs to be an air interface message including a DRX cycle. For specific message content, please refer to 3GPP protocol 25.331. In this embodiment, it is mainly a system message or an RRC connection establishment message.

[0036]Step S2: the UE judges whether it needs to update the DRX cycle. The UE may need to shorten or extend the DRX cycle. If the DRX cycle needs to be updated, go to step S3; otherwise, the DRX cycle configured on the network side is still u...

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Abstract

The present invention discloses a method for negotiating a DRX cycle in a mobile communication system, which enables a user terminal to perform the negotiation of the DRX cycle with a core network and a UTRAN within the max. scope. The technical proposal is that the present invention adds a cell in an update message of a signaling through modifying the signaling in a Non Access Stratum or the signaling in an Access Stratum according to the condition located by the user terminal, to indicate the utilized DRX cycle expected by the user terminal. And, the expansion can be performed to the periodic scope of the DRX. The present invention applies to the paging mechanism realization of a mobile communication system.

Description

technical field [0001] The invention relates to a call / session establishment method and process of a third generation mobile communication system (UMTS), in particular to a method for negotiating DRX cycle in the mobile communication system. Background technique [0002] In the third generation mobile communication system, the main purpose of paging is to find the called mobile user. The paging process is generally initiated by the core network (CN), and in addition, the radio network controller (RNC) may also initiate paging. In order to save power, a user terminal (UE) in an idle (IDLE) mode or connected mode URA_PCH / CELL_PCH state adopts a discontinuous reception (Discontinuous Reception, DRX) manner to receive paging messages. [0003] The DRX cycle generally notifies the UE by broadcasting system messages. In this way, the UE in IDLE / URA_PCH / CELL_PCH mode only wakes up every DRX cycle (such as 1.28 seconds) to read the paging indicator channel and determine whether it ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04B7/26H04Q7/32H04W28/18H04W76/02
Inventor 许佰魁吕玲
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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