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Communication system, user device thereof and synchronization method thereof

一种终端设备、通讯系统的技术，应用在通讯同步领域，能够解决通话阻碍率上升、加解密组态无法回复、新加解密组态无法同步等问题

Active Publication Date: 2008-11-19
HTC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most importantly, the new encryption and decryption configurations for data encryption and decryption between UE and UTRAN can no longer be synchronized, and the old encryption and decryption configurations cannot be restored
At this time, the call blocking rate will increase accordingly

Method used

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  • Communication system, user device thereof and synchronization method thereof
  • Communication system, user device thereof and synchronization method thereof
  • Communication system, user device thereof and synchronization method thereof

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0045] The present invention can be applied to any communication system. In the following embodiments, the present invention will be applied to the third generation mobile communication (3G) system. Since the synchronization method in the prior art does not clearly define the timing when the terminal device and the wireless network use a new configuration (such as a new encryption and decryption configuration), system reconfiguration is required (the following uses 3G SRNS reconfiguration as an example for illustration) When , the encryption and decryption configurations of the terminal device and the wireless network are not synchronized, which increases the system handover failure rate and call blocking rate. Therefore, the present invention proposes a communication system synchronization mechanism and method, so that the terminal equipment and the wireless network can update to the new encryption and decryption configuration synchronously when the encryption and decryption ...

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PUM

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Abstract

A communication system, user device thereof, and a synchronization method thereof are provided. The communication system includes a user device and a wireless network. The wireless network transmits a RRC re-configuration message containing ciphering configuration information to a user device on a logical link. The user device suspends all measurement operation transmitting measurement report after receiving the RRC re-configuration message. The user device changes to a new ciphering configuration according to the RRC re-configuration message, and the wireless network changes to the new ciphering configuration. The user device transmits a RRC response message to respond the RRC re-configuration message to the wireless network. The user device resumes the measurement operation after changing to the new configuration.

Description

technical field [0001] The invention relates to a communication synchronization method, in particular to a synchronization method applied in the third generation mobile communication system which can reduce the communication blocking rate. Background technique [0002] With the advent of the information age, the demand for mobile voice, data communication and various mobile services is increasing. The current mobile communication system has faced the bottleneck of insufficient communication channels and insufficient transmission rate; The third generation of mobile communication (The Third Generation Mobile, 3G) with higher speed transmission services came into being. [0003] figure 1 It is the structure diagram of the third generation mobile communication network. Please refer to figure 1 , terminal equipment (UserEquipment, hereinafter referred to as UE) 10 (handheld communication devices such as mobile phones) communicate with the Universal Mobile Telecommunications S...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/26H04Q7/38H04W12/02H04W36/02
CPCH04W80/02H04W36/02H04W12/02H04W76/04H04W76/20H04W12/037
Inventor 吴志祥
Owner HTC CORP