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Method for realizing synchronization between base stations in mobile communication system

A technology between mobile communication systems and base stations, applied in the field of synchronization between base stations in a mobile communication system, can solve problems such as affecting the processing speed of RNC for other services, affecting the communication quality of the mobile communication system, increasing the burden of the mobile communication system, etc. The effect of processing, saving wireless resources, and reducing the burden

Inactive Publication Date: 2004-01-07
HUAWEI TECH CO LTD
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Problems solved by technology

[0017] Therefore, the method for synchronization between base stations adopted in the prior art not only has a complicated process, but also increases the burden on the mobile communication system, and simultaneously because the RNC is responsible for the control and management of synchronization between base stations, it also greatly increases the burden on the RNC, affecting the RNC's ability to communicate with other users. The processing speed of the business, in today’s increasing RNC functions, if some business functions that can be completed by different network entities are all concentrated in the RNC, it will definitely affect the communication quality of the mobile communication system. Therefore, the functions in the current mobile communication network are relatively Unreasonable distribution among entities

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  • Method for realizing synchronization between base stations in mobile communication system
  • Method for realizing synchronization between base stations in mobile communication system
  • Method for realizing synchronization between base stations in mobile communication system

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Embodiment Construction

[0051] The specific implementation of the present invention combines figure 1 , image 3 The description is as follows:

[0052] Step 1: Determine a base station with an external clock reference source as a clock reference, this base station is called a G base station, such as a GPS base station; the G base station converts a GPS clock or a clock from other sources into an SFN (system frame number) modulo The local clock BFN ​​(Base Station Frame Number, base station frame number); other base stations can use the BFN of the G base station as a reference to adjust their own clocks.

[0053] Step 2: Determine the base station group corresponding to the G base station;

[0054] Before other base stations perform clock adjustment, each base station needs to know the transmission delay of data transmission with G base station through IuNB (inter-base station interface), which requires that each base station and G base station must have stable IuNB protocol interface transmission ...

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Abstract

A method for realizing synchronization between base stations in mobile communication system includes: determining a base station with clock reference source and its related base station group, a stable interface transmission resource exists between each base station and that with clock reference source, thus, each base station can get its own synchronous information from that with clock reference source via related interface transmission resources and base stations not in the group can be synchronized with the base station existing information transmission resources via synchronized stations, simplifying process of synchronization.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a method for realizing synchronization between base stations in a mobile communication system. Background technique [0002] In a mobile communication system, especially in a CDMA (Code Division Multiple Access, Code Division Multiple Access) mobile communication system, achieving good synchronization between base stations can reduce interference, improve system transceiving performance, and increase system capacity. [0003] In the CDMA mobile communication system, especially in the third generation mobile communication system, its working mode is divided into two modes: TDD (Time Division Duplex, Time Division Duplex) and FDD (Frequency Division Duplex, Frequency Division Duplex). In the FDD mode, a NodeB (base station) keeps synchronization with an RNC (Radio Network Controller, Radio Network Controller), thereby realizing synchronization between base stations. I...

Claims

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Application Information

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IPC IPC(8): H04W56/00H04B7/24H04L7/00H04W92/20
Inventor 苏宁张萍
Owner HUAWEI TECH CO LTD
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