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Distributed co-frequency and co-broadcast signal transmission device and system

A signal transmission and distributed technology, applied in security devices, wireless communication, network topology and other directions, can solve problems such as affecting the normal operation of other base stations and system paralysis

Active Publication Date: 2020-07-07
CHENGDU ZHONGHANG XINHONG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, if the background service center fails, it will directly lead to the paralysis of the entire system; on the other hand, if the connection mode of wired IP or E1 link is used, if the link is interrupted, the base station will form an isolated island, which will affect the normal operation of other base stations. Work

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  • Distributed co-frequency and co-broadcast signal transmission device and system
  • Distributed co-frequency and co-broadcast signal transmission device and system

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Embodiment Construction

[0020] The technical solutions in the embodiments 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 only a part of the embodiments of the present invention, rather than all the embodiments. The components of the embodiments of the present invention generally described and illustrated in the drawings herein may be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work shall fall within the protection scope of the present invention.

[0021] It...

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Abstract

The invention provides a distributed co-frequency and co-broadcast signal transmission device and system, which relate to the field of mobile communication. The distributed co-frequency and co-broadcast signal transmission device and system only need to receive the communication signal sent by the intelligent terminal through the communication unit of each base station, and each base station obtains the signal strength of the received communication signal through the signal strength acquisition unit and distributes it through the communication unit To other base stations, each base station compares the strength of the communication signal received by itself with the strength of the signal sent by other base stations through the comparison unit to determine the main base station, and the main base station distributes the received communication signals sent by the smart terminal to the multiple base stations And the receiving terminal does not need to use the cloud server to select the primary base station. When one of the base stations is damaged, the multiple base stations can still work normally, and the entire distributed co-frequency and co-broadcast signal transmission system will not be paralyzed. , which improves the reliability and stability of the distributed co-frequency and co-broadcast signal transmission system.

Description

Technical field [0001] The invention relates to the field of mobile communication, and in particular to a distributed same-frequency simulcast signal transmission device and system. Background technique [0002] Digital simultaneous broadcasting systems are often used as emergency communications. High reliability and high stability are important indicators for judging the quality of digital simultaneous broadcasting systems. At present, the digital co-channel broadcast system is used to achieve large-area coverage of communication signals. It usually takes multiple base stations to network with wired IP or E1 links, and the data source is selected under the unified control of the background service center; the selected The base station uploads the voice to the switch and distributes the communication signal to each base station; finally, each participating base station controls the synchronous transmission of data and frequency locking through GPS timing. On the one hand, if the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W12/02H04W16/18H04W24/04H04W84/18
CPCH04W12/02H04W16/18H04W24/04H04W84/18
Inventor 石君明
Owner CHENGDU ZHONGHANG XINHONG TECH CO LTD
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