Broadband multimedia trunking system and communication method

Abstract

The embodiment of the invention provides a broadband multimedia cluster system and a communication method. The system comprises control center equipment, a multimedia cluster scheduling server, core network equipment, and at least one base station, the transmission networking is carried out through a relay node, the long distance transmission of service data can be realized, specifically, the use range of the broadband multimedia cluster system can be enlarged in the condition without transmission resources such as a long distance transmission line, SDH, microwave, a satellite or a long-distance optical fiber in a use scene, and the data back of various services such as call, cluster voice, video, Internet access and MMS is realized.

Description

technical field [0001] The embodiment of the present invention relates to communication technology, in particular to a broadband multimedia cluster system and a communication method. Background technique [0002] Long Term Evolution (LTE for short) broadband multimedia trunking system is a new generation of broadband multimedia trunking system that integrates the high speed and large bandwidth of LTE with the characteristics of resource sharing, fast call establishment, command and dispatch in digital trunking technology . The system can meet the needs of broadband, real-time and multimedia in emergency communication. [0003] specific, figure 1 It is a schematic diagram of the networking scenario of the LTE broadband multimedia trunking system, such as figure 1 As shown, the LTE broadband multimedia trunking system includes a control center device, a multimedia cluster dispatching server, a core network device, and a base station, wherein, between the control center devi...

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Problems solved by technology

[0003] specific, figure 1 It is a schematic diagram of the networking scenario of the LTE broadband multimedia trunking system, such as figure 1 As shown, the LTE broadband multimedia trunking system includes a control center device, a multimedia cluster dispatching server, a core network device, and a base station, wherein, between the control center device and the multimedia trunking dispatching server, between the multimedia trunking dispatching server and the core network device, and between the core There is a transmission network between the network equipment and the base station, and the transmission network usually adopts any connection mode of wired connection, Synchronous Digital Hierarchy (SDH), microwave communication, satellite and optical fiber. However, through such The LTE broadband multimedia trunking system composed of transmission network is limited by transmission resources such as transmission line, SDH, microwave, satellite or optical fiber.

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