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A method and system for realizing roaming of a terminal in a narrowband wireless digital communication system

A digital communication system and terminal technology, applied in the field of signal communication, can solve the problems of heavy tasks of base stations and increasing the risk of base station configuration errors, etc.

Active Publication Date: 2020-07-17
FUJIAN KIRISUN ELECTRONICS
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

In this case, the task of the base station will be relatively heavy, and it will increase the risk of staff making mistakes in configuring the base station

Method used

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  • A method and system for realizing roaming of a terminal in a narrowband wireless digital communication system
  • A method and system for realizing roaming of a terminal in a narrowband wireless digital communication system
  • A method and system for realizing roaming of a terminal in a narrowband wireless digital communication system

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Embodiment Construction

[0032] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the implementation of the present invention. example, not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0033] Such as figure 1 As shown, a method for a terminal to realize roaming in a narrowband wireless digital communication system according to the present invention includes:

[0034] Step 1. Each base station / transfer station in the system detects the signal strength in the corresponding signal coverage area in an idle state; Step 2. Determine whether the use...

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Abstract

The invention discloses a terminal roaming method and system in a narrowband wireless digital communication system. The method comprises the steps of detecting signal strength in an idle state; determining whether a terminal initiates a transmission service, if yes, starting active roaming, and if not, starting passive roaming; searching, based on a roaming list, a channel with signal strength greater than or equal to a weak signal threshold, locking the channel and residing; failing to find an instruction indicating transmission failure, and switching to passive roaming; scanning the roaminglist circularly, determining whether a channel with signal strength greater than a strong signal threshold exists, if yes, locking the channel and residing; if not, finding out a channel with highestsignal strength in the roaming list and determining whether the signal strength of the channel is greater than the weak signal threshold, if yes, locking the channel in which the signal is and residing, circularly scanning whether the signal strength of the channel is greater than the weak signal threshold in residing period, if yes, recalculating the residing period, and if not, re-switching to passive roaming when the residing period expires. Through adoption of the method, a base station does not need to broadcast information of adjacent base stations, so that the base station does not participate deeply.

Description

technical field [0001] The present invention relates to the technical field of signal communication, in particular to a method and system for realizing roaming of a terminal in a narrowband wireless digital communication system. Background technique [0002] Since the coverage area of ​​each base station / repeater signal is limited, and there are signal overlaps between different areas, when the mobile terminal leaves the current area and enters another area, it needs to switch to the new area to work normally. Realizing switching from an old area to a new area is called roaming. [0003] Roaming in narrowband trunking systems is usually achieved by checking the base stations broadcasting nearby base station information. In this case, the base station needs to be configured with adjacent base stations, and the base station needs to broadcast information about adjacent base stations, which requires the deep participation of the base station. In this case, the task of the bas...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W48/20H04W8/26H04W48/16H04B17/318
CPCH04B17/318H04W8/26H04W48/16H04W48/20
Inventor 赖镜灵刘中文宋洋军袁辉付文良
Owner FUJIAN KIRISUN ELECTRONICS
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