Apparatus and method for empty clock synchronization of wireless mobile communication system base station

A mobile communication system and clock synchronization technology, applied in synchronization devices, transmission systems, digital transmission systems, etc., can solve the problems that Ethernet is difficult to provide a precision reference clock, and equipment costs are high, saving equipment costs, reducing operating costs, enriching effect of content

Inactive Publication Date: 2007-09-19
ZTE CORP
View PDF4 Cites 22 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The method of clock synchronization through GPS has specific requirements for the placement of GPS antennas, and it will also cause high equipm

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Apparatus and method for empty clock synchronization of wireless mobile communication system base station
  • Apparatus and method for empty clock synchronization of wireless mobile communication system base station
  • Apparatus and method for empty clock synchronization of wireless mobile communication system base station

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0039] In the present invention, the base station (especially the Home NodeB) is synchronized with the air interface clock of the adjacent base station to meet the requirement of system mobility. The base station obtains the received clock timing reference of the adjacent base station, and uses this as a basis to calibrate its own reference clock, so as to realize the air interface clock synchronization between itself and the adjacent base station, instead of using IEEE1588 or GPS (Global Positioning System) and the like Network clock service.

[0040] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0041] As shown in Figure 1, the device for air interface clock synchronization between base stations in a wireless mobile communication system includes: a receiving circuit and a phase-locked loop circuit,

[0042] Wherein, the receiving circuit is used to receive the clock timing reference signal o...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The present invention discloses an air interface clock synchronization device in wireless mobile communication system among base stations, which comprises a receiving circuit and a phase-locked loop circuit. The receiving circuit is used to receive the clock timing reference signal of the neighboring base station from the air interface and send the signal to the phase-locked loop circuit. The phase-locked loop circuit is used to receive the clock timing reference signal and adjust itself basic clock, thus the air interface clock synchronization between itself and the neighboring base station can be realized. The present invention also discloses an air interface clock synchronization method in wireless mobile communication system among base stations. By adopting a simple method to realize the air interface clock synchronization between one basic station and the neighboring base station, the network clock server is no need to use, thus the operation cost of the mobile operating enterprise can be reduced. The invention is helpful to realize new wireless covering means and enrich the content of the wireless network solution.

Description

technical field [0001] The invention relates to the field of wireless mobile communication, in particular to a device and method for air interface clock synchronization between base stations of a wireless mobile communication system. Background technique [0002] Wireless communication faces many problems and challenges in providing broadband data access. Even for the third-generation mobile communication system, when the number of broadband data users increases, the system is unable to provide broadband data services under the premise of ensuring QoS (Quality of Service), and the coverage and capacity cannot meet the satisfaction of mobile operators. The cost has risen sharply, and this problem will become increasingly apparent with the growth of users' demand for broadband data services and the increase in the number of broadband users. Among them, the home environment is often a concentrated area with weak mobile signal coverage; moreover, it is foreseeable that a consid...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): H04B7/26H04L7/02
Inventor 邱文才肖琨赵刚席光清
Owner ZTE CORP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap