Terminal equipment of time division-long term evolution (TD-LTE) emergency voice communication system

A terminal device and voice communication technology, applied in wireless communication, emergency/dangerous communication services, wireless communication services, etc., can solve problems such as difficult to realize voice, achieve improved transmission rate and quality, easy to use, reliable and effective communication connection Effect

CN104780518AInactive Publication Date: 2015-07-15CHONGQING UNIV OF POSTS & TELECOMM
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2015-07-15
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides terminal equipment of a time division-long term evolution (TD-LTE) emergency voice communication system. The terminal equipment comprises a display control module, a TD-LTE transmission module, a voice module, a battery management module and a Big Dipper positioning module. The display control module processes, displays and controls voice and information interaction. The TD-LTE transmission module is connected with a monitoring and command center through a base station and a TD-LTE core network and performs internet protocol (IP) data communication. The Big Dipper positioning module is used for acquiring position information of the emergency voice communication system. The battery management module is used for providing power for the whole emergency voice communication system. The terminal equipment is based on a TD-LTE technology, has the characteristics of high rate, small time delay, good stability, simple operation and so on, and is suitable for rapidly transmitting reliable information for occasions like emergency rescue in emergencies, rescue and relief work, law enforcement of public security and so on in real time.
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Description

technical field

[0001] The invention relates to the technical field of wireless communication, and relates to a mobile communication terminal, in particular to a TD-LTE emergency communication system voice terminal equipment. Background technique

[0002] In recent years, natural disasters, large-scale accidents, and public safety emergencies have occurred frequently, and emergency communication has become more and more important. In order to effectively command and dispatch, efficient on-site rescue and disposal, it is necessary to maintain real-time communication between the scene of the incident and the remote command center as well as the communication between the on-site personnel. Due to the complex and changeable environment of many incidents, it is difficult to use large-scale communication equipment, and more portable and reliable communication devices are needed for all-weather real-time communication.

[0003] TD-LTE is a 4G standard developed by my country. With...

Examples

Embodiment Construction

[0026] Below in conjunction with accompanying drawing, the present invention will be further described:

[0027] The core technology of the present invention is based on the ARM+DSP dual-core structure of the TI DM3730 processor, through the voice module and the display control module, the voice is collected, stored, coded, decoded, played back, and signaling interaction, including single call, group The signaling process of call, group call, priority setting and forced insertion and removal is realized. High-speed and low-latency transmission is realized through the TD-LTE transmission module. The device is easy to carry and easy to operate, and can be used in underground or underground mine operations, emergency rescue and disaster relief, public security, anti-terrorism and stability maintenance and other scenarios.

[0028] attached figure 1 It shows a working schematic diagram of the practical scene of the present invention; the monitoring center communicates with the t...