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Cluster communication method, device and system

A trunking communication and multicast control channel technology, applied in the field of devices, systems, and trunking communication methods, can solve the problems of not specifying how terminals monitor MBMS bearer status, inaccurate MBMS bearer status, and low quality of multicast service communication, etc. Accurate monitoring status and the effect of improving business performance

Active Publication Date: 2021-12-07
CHENGDU TD TECH LTD
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Problems solved by technology

[0004] In the above-mentioned 3GPP agreement, there is no regulation on how the terminal monitors the MBMS bearer status. In related technologies, the terminal measures the Reference Signal Received Power (Reference Signal Receiving Power, RSRP) and the Signal to Interference plus Noise Ratio (Signal to Interference plus Noise Ratio) of the channel in real time. Ratio, SINR), evaluate the bearer status of MBMS according to the measured RSRP and SINR
However, the MBMS bearer status evaluated by this method may not be accurate, making the communication quality of the multicast service not high

Method used

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  • Cluster communication method, device and system
  • Cluster communication method, device and system
  • Cluster communication method, device and system

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Embodiment Construction

[0067] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.

[0068] The terms "first", "second", "third", "fourth", etc. (if any) in the description and claims of the present invention and the above drawings are used to distinguish similar objects and not necessarily Describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein are, for example, capable of practice in sequences other than...

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Abstract

In the trunking communication method, device and system provided by the present invention, the terminal demodulates the data received from the MCCH, determines the MBMS monitoring status of the terminal according to the demodulation result, and sends a first message including the monitoring status to the server . The server sets a service type for the terminal according to the first message, where the service type is used to indicate establishing a unicast service or a multicast service for the terminal. The present invention evaluates the bearer status of MBMS according to the demodulation result of MCCH, so that the evaluation result is more accurate; in addition, when the server learns that the monitoring status of the terminal to MBMS is poor according to the first message, it can establish a unicast service for the terminal, thereby Make up for the lack of group call services and improve the service performance of terminals in weak coverage scenarios.

Description

technical field [0001] The present invention relates to the technical field of communications, in particular to a cluster communication method, device and system. Background technique [0002] The trunking communication system is a dedicated wireless communication system for specific industry applications in order to meet the command and dispatch needs of users. It is characterized by a large number of users sharing a small number of wireless channels, and has rapid voice establishment and preemption capabilities. The trunking communication system has a wide range of applications in government affairs, medical care, energy, transportation, emergency communication and other fields. The International Standards Organization 3rd Generation Partnership Project (3rd Generation Partnership Project, 3GPP) regards Mission Critical Push To Talk (MissionCritical Push To Talk, MCPTT) as a part of the Long Term Evolution (Long Term Evolution, LTE) standard. MCPTT is defined as an all-IP...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/06H04W12/02H04W24/08H04W84/08
CPCH04W4/06H04W12/02H04W24/08H04W84/08
Inventor 张光伟方伟王亮
Owner CHENGDU TD TECH LTD
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