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Method and device for realizing synchronization in wireless network

A wireless network and physical frame technology, which is used in synchronization devices, wireless communications, network traffic/resource management, etc.

Active Publication Date: 2018-11-09
BEIJING NUFRONT MOBILE MULTIMEDIA TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In view of this, an object of the present invention is to provide a method and device for realizing synchronization in a wireless network, which is used in the process of accessing the wireless network to solve the situation in the prior art that cannot be dynamically configured for the physical frame structure. synchronization problem

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  • Method and device for realizing synchronization in wireless network
  • Method and device for realizing synchronization in wireless network
  • Method and device for realizing synchronization in wireless network

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Embodiment Construction

[0077] The following description and drawings illustrate specific embodiments of the invention sufficiently to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely represent possible variations. Individual components and functions are optional unless explicitly required, and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. The scope of embodiments of the present invention includes the full scope of the claims, and all available equivalents of the claims. These embodiments of the present invention may be referred to herein, individually or collectively, by the term "invention", which is for convenience only and is not intended to automatically limit the application if in fact more than one invention is disclosed The scope is any individual invention or inventive concept.

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Abstract

The invention discloses a method for achieving synchronization in a wireless network, and the method is used in an access process of the wireless network. The method comprises the steps: searching a physical frame on a sub-channel, analyzing an SICH (system information channel) and a CCH (control channel) in the searched physical frame, and obtaining system parameters from the physical frame through the analysis result, wherein the SICH indicates the structure of the physical frame, and the CCH indicates the distribution of system resources; selecting one sub-channel from the sub-channels with the obtained system parameters; continuously searching the physical frame from the selected sub-channels, analyzing the SICH and CCH in the searched physical frame, and detecting BCF from the searched physical frame through the analysis result, so as to obtain system parameters. The method achieves the obtaining and maintaining synchronization for a condition that the frame structure can be configured dynamically.

Description

[0001] This application is a divisional application of the Chinese invention patent application with the application number 201280012764.1, the application date is March 7, 2012, and the title is "Method and Device for Accessing a Wireless Network". technical field [0002] The invention belongs to the field of wireless communication, in particular to a method and device for realizing synchronization in a wireless network. Background technique [0003] In recent years, wireless communication systems have developed rapidly, such as wireless local area network technology WiFi based on 802.11 standards, Bluetooth (Bluetooth) systems based on 802.15, and Femto technology for indoor applications derived from mobile communication systems, etc., have been widely used. application. [0004] 802.11-based WiFi technology is the most widely used wireless network transmission technology today. Since the WiFi system adopts a carrier sense / collision avoidance (CSMA / CA, Carrier Sense Mult...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W48/12H04W56/00H04W74/00
CPCH04W28/18H04W48/12H04W56/00H04W72/04H04W74/00
Inventor 鲍东山于晓燕雷俊刘慎发
Owner BEIJING NUFRONT MOBILE MULTIMEDIA TECH
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