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A digital trunking communication system, terminal and handover method

A digital trunking communication and handover technology, applied in wireless communication, electrical components, etc., can solve problems such as ping-pong effect, reduce burden, solve ping-pong effect, and improve reliability

Active Publication Date: 2017-01-04
HARBIN HYTERA TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a digital trunking communication system, terminal and handover method, no ping-pong effect will be generated when the terminal moves to an overlapping coverage area with a small difference in the signal quality of the base station

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  • A digital trunking communication system, terminal and handover method
  • A digital trunking communication system, terminal and handover method
  • A digital trunking communication system, terminal and handover method

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Embodiment Construction

[0054] figure 1 It is a logic diagram of Embodiment 1 of the handover method of the digital trunking communication system of the present invention. In this embodiment, if the signal quality of the base station communicating with the terminal is less than the quality threshold, and at the same time, the terminal is in the overlapping coverage area of ​​more than one base station , and the signal quality difference of the one or more base stations is less than a preset value, perform the following steps for handover:

[0055] S100. Obtain the signal quality information of the one or more base stations and the location information of the terminal at the first moment;

[0056] S200. Obtain the location information of the one or more base stations. In this step, for the acquisition of the location information of the base stations, one way is to receive the location information broadcast by the base station through the terminal; Call out the location information of the one or more ...

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Abstract

The invention discloses a digital trunked communication system, a terminal and a handover method. The handover method comprises the following steps: acquiring signal quality information of more than one base station and position information of a terminal at a first moment; acquiring position information of more than one base station; after preset time, acquiring signal quality information of more than one base station and position information of the terminal at a second moment; determining signal quality change information of more than one base station and change information about the distance among the terminal and the more than one base station through the terminal; determining a selectable base station from the more than one base station through the terminal, and submitting the base station to a control center so as to accomplish handover. By adopting the technical scheme of the invention, the problem of ping-pong effect which can be caused in handover in an overlapped area with small signal quality difference can be effectively solved, the reliability in handover is improved, and the burden of a system is alleviated.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to a digital trunking communication system, a terminal and a handover method. Background technique [0002] Digital trunking refers to "special mobile communication system". Digital trunking communication is a new type of mobile communication system emerging at the end of the 20th century. The technical characteristics and advantages of digital trunking communication determine that it not only has all the functions of personal communication, but also can control and realize arbitrary communication between individuals and groups. It has high confidentiality and rich functions, and truly fully realizes the intelligence of communication. [0003] TETRA (Terrestrial Trunked Radio) system, PDT (PoliceDigital Trunking, police digital trunking) system, DMR (Digital Mobile Radio, digital trunking communication) system are all one of the digital trunking communication systems. Among them...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/08H04W36/30H04W36/32
Inventor 汤丽魏守明
Owner HARBIN HYTERA TECH CORP
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