CN113473257A - Converged communication digital intercom system - Google Patents
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Abstract
Description
技术领域technical field
本发明涉及网络通信技术领域，特别涉及一种融合通信数字对讲系统。The present invention relates to the technical field of network communication, in particular to an integrated communication digital intercom system.
背景技术Background technique
无线对讲系统具有机动灵活、操作简便、语音传递快捷、使用经济之特点，是实现生产调度自动化和管理现代化的基础手段。无线对讲系统是一个独立的以放射式的双频双向自动重复方式通讯系统，解决因使用通讯范围或建筑结构等因素引起的通讯信号无法覆盖，便于在何时何地精准使用于联络如保安、工程、操作及服务的人员，在管理场所内非固定的位置执行职责。The wireless intercom system has the characteristics of flexibility, easy operation, fast voice transmission, and economical use. It is the basic means to realize production scheduling automation and management modernization. The wireless intercom system is an independent radio-type dual-frequency two-way automatic repeating communication system, which solves the problem that the communication signal cannot be covered due to factors such as the use of communication range or building structure. , engineering, operation and service personnel, perform duties in a non-fixed position within the management site.
现有对讲系统，通过多台手台进行无线对话，呼叫范围无障碍3-5公里。对于野外作业，在没有手机信号覆盖下，无线对讲系统仅能实现现场作业人员之间的短距离通信，居于远程中心人员无法参与现场人员的指挥工作，同时也不能满足现场区域较大情形下的范围覆盖。The existing intercom system conducts wireless conversations through multiple mobile stations, and the call range is 3-5 kilometers without obstacles. For field operations, in the absence of mobile phone signal coverage, the wireless intercom system can only realize short-distance communication between field operators, and the personnel living in the remote center cannot participate in the command work of the field personnel. range coverage.
现有技术中，受限于手台射频覆盖范围，无线对讲系统通常通信距离很短，仅能实现现场小范围内的人员呼叫，中心管理无法与现场互动，多个相距稍远的野外组之间也无法建立有效的信息互动。In the prior art, limited by the radio frequency coverage of the mobile station, the wireless intercom system usually has a very short communication distance, and can only implement personnel calls within a small area of the scene, and the central management cannot interact with the scene. There is no effective information interaction between them.
发明内容SUMMARY OF THE INVENTION
本发明提供一种融合通信数字对讲系统，能够在拓展无线电集群通信的覆盖范围的同时，延续对讲式的简便使用情景，通信链路更安全，通信群组更灵活，后台管理更直观。The invention provides a digital intercom system for integrated communication, which can extend the coverage of radio trunking communication while continuing the simple and convenient use scenario of intercom, with safer communication links, more flexible communication groups, and more intuitive background management.
根据本发明的一个方面，提供了一种融合通信数字对讲系统，所述系统包括卫星设备、移动网关、网管平台和手台电台，其中，所述手台电台连接移动网关，移动网关通过卫星设备或其它通信设备相互连接，所述网管平台通过其它通信设备连接移动网关；包括：According to one aspect of the present invention, a digital intercom system for integrated communication is provided, the system includes satellite equipment, a mobile gateway, a network management platform, and a mobile station radio, wherein the mobile station station is connected to the mobile gateway, and the mobile gateway passes the satellite The devices or other communication devices are connected to each other, and the network management platform is connected to the mobile gateway through other communication devices; including:
移动网关，用于接收手台电台的通信数据，通过卫星设备或其它通信设备经过卫星通信系统或其它通信系统发送所述通信信息；接收卫星设备或其它通信设备经过卫星通信系统或其它通信系统发送的通信数据并转发所述手台电台；The mobile gateway is used to receive the communication data of the mobile station, and send the communication information through the satellite communication system or other communication system through satellite equipment or other communication equipment; the communication data and forward the said mobile station;
卫星设备，用于通过卫星通信系统发送或接收所述移动网关发送的通信数据；Satellite equipment for sending or receiving communication data sent by the mobile gateway through a satellite communication system;
手台电台，用于接收用户产生的所述通信数据并发送移动网关；A mobile station radio station for receiving the communication data generated by the user and sending the mobile gateway;
网管平台，用于管理所述移动网关，管理用户信息，控制通信过程。The network management platform is used to manage the mobile gateway, manage user information, and control the communication process.
若干台所述手台电台连接一台所述移动网关；每台所述移动网关对应连接一台或若干台所述卫星设备；所述网关设备能够设置若干台，每台所述网关设备对应连接管理若干台移动网关。Several said mobile radio stations are connected to one said mobile gateway; each said mobile gateway is correspondingly connected to one or several said satellite devices; several said gateway devices can be set up, and each said gateway device is correspondingly connected Manage several mobile gateways.
所述移动网关设置有网络接口，通过所述网络接口连接各个通信系统或网管平台；所述通信系统包括但不限于：互联网通信系统、移动通信系统、专用网络通信系统或传统语音通信系统。The mobile gateway is provided with a network interface, through which each communication system or network management platform is connected; the communication system includes but is not limited to: Internet communication system, mobile communication system, dedicated network communication system or traditional voice communication system.
所述手台电台包括手台与电台，所述手台与电台能够支持VHF甚高频无线电通信网络、UHF超高频无线电网络、模拟电台网络和数字窄带通信网络；Described mobile station radio includes mobile station and radio station, described mobile station and radio station can support VHF VHF radio communication network, UHF ultra-high frequency radio network, analog radio network and digital narrowband communication network;
其中，in,
所述手台，用于接收用户产生的所述通信数据并发送所述电台；the mobile station, for receiving the communication data generated by the user and sending the radio station;
所述电台，用于接收所述手台发送的通信数据并转发所述移动网关。The radio station is used for receiving the communication data sent by the mobile station and forwarding the mobile gateway.
所述卫星终端为卫星通信系统接收/发送终端，能够进行一种或若干种卫星通信系统对应的卫星链路通信。The satellite terminal is a receiving/transmitting terminal of a satellite communication system, capable of performing satellite link communication corresponding to one or several satellite communication systems.
所述网管平台与所述移动网关直接连接或通过通信系统连接所述移动网关；对连接所述移动网关的用户进行分组、分区域的管理操作。The network management platform is directly connected to the mobile gateway or is connected to the mobile gateway through a communication system; and performs grouping and sub-area management operations on the users connected to the mobile gateway.
所述网管平台根据用户属性或设置至少一个工作组，在工作组中添加每个工作组对应的移动网关；为每一个连接的所述移动网关分配相关配置，实现移动网关的动态管理。The network management platform adds a mobile gateway corresponding to each work group in the work group according to user attributes or sets at least one work group; allocates a relevant configuration to each connected mobile gateway to realize dynamic management of the mobile gateway.
所述移动网关能够独立连接声音收集设备和声音播放设备，用于接收用户发送的语音数据及向用户播放语音数据。The mobile gateway can be independently connected to the sound collecting device and the sound playing device, and is used for receiving the voice data sent by the user and playing the voice data to the user.
所述用户的语音数据通过声音收集设备输入移动网关；The voice data of the user is input to the mobile gateway through the sound collection device;
所述移动网关通过滤波电路、信号放大电路进入高速AD采样后，所述语音数据转变为数字信号；After the mobile gateway enters the high-speed AD sampling through the filter circuit and the signal amplification circuit, the voice data is converted into a digital signal;
将所述数字信号通过音频编码后通过卫星设备、卫星通信系统或其它通信系统分发给同一用户分组对应的一台或多台对端移动网关；Distributing the digital signal to one or more peer mobile gateways corresponding to the same user group through satellite equipment, satellite communication systems or other communication systems after audio coding;
对端移动网关将所述语音数据解码后，通过手台电台或声音播放设备播放。After the mobile gateway of the opposite end decodes the voice data, it is played through a mobile radio station or a sound playing device.
所述移动网关包括加密模块，用于将通信数据根据256位AES-CTR加密算法进行加密或解密。The mobile gateway includes an encryption module for encrypting or decrypting the communication data according to the 256-bit AES-CTR encryption algorithm.
本发明的技术方案提出了一种融合通信数字对讲系统，所述系统包括卫星设备、移动网关、网管平台和手台电台，其中，所述手台电台连接移动网关，移动网关通过卫星设备或其它通信设备相互连接，所述网管平台通过其它通信设备连接移动网关；包括：移动网关，用于接收手台电台的通信数据，通过卫星设备或其它通信设备经过卫星通信系统或其它通信系统发送所述通信信息；接收卫星设备或其它通信设备经过卫星通信系统或其它通信系统发送的通信数据并转发所述手台电台；卫星设备，用于通过卫星通信系统发送或接收所述移动网关发送的通信数据；手台电台，用于接收用户产生的所述通信数据并发送移动网关；网管平台，用于管理所述移动网关，管理用户信息，控制通信过程。The technical solution of the present invention proposes a digital intercom system for integrated communication, the system includes satellite equipment, a mobile gateway, a network management platform and a mobile station, wherein the mobile station is connected to the mobile gateway, and the mobile gateway is connected to the mobile gateway through the satellite equipment or the mobile station. Other communication devices are connected to each other, and the network management platform is connected to the mobile gateway through other communication devices; including: the mobile gateway is used to receive the communication data of the mobile station, and send the data through the satellite communication system or other communication system through satellite equipment or other communication equipment. the communication information; receive the communication data sent by satellite equipment or other communication equipment through the satellite communication system or other communication system and forward the mobile station radio; satellite equipment is used to send or receive the communication sent by the mobile gateway through the satellite communication system data; a mobile station radio, used to receive the communication data generated by the user and send the mobile gateway; a network management platform, used to manage the mobile gateway, manage user information, and control the communication process.
本发明结合卫星通信和数字窄带通讯相关技术，利用一套简单的现有组件，通过卫星通信或地面3G/4G/5G/LTE/LAN通信，实现多种通讯方式的互通互联，在拓展无线电集群通信的覆盖范围的同时，延续对讲式的简便使用情景，通信链路更安全，通信群组更灵活，后台管理更直观。可广泛用于公共安全、公用事业、海上作业、采矿以及石油和天然气等领域。The invention combines satellite communication and digital narrowband communication related technologies, utilizes a set of simple existing components, realizes the intercommunication and interconnection of various communication modes through satellite communication or ground 3G/4G/5G/LTE/LAN communication, and expands the radio cluster. In addition to the coverage of communication, the convenient intercom-style usage scenario continues, the communication link is more secure, the communication group is more flexible, and the background management is more intuitive. Can be widely used in public safety, utilities, offshore operations, mining, and oil and gas fields.
下面通过附图和实施例，对本发明的技术方案做进一步的详细描述。The technical solutions of the present invention will be further described in detail below through the accompanying drawings and embodiments.
附图说明Description of drawings
附图用来提供对本发明的进一步理解，并且构成说明书的一部分，与本发明的实施例一起用于解释本发明，并不构成对本发明的限制。在附图中：The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:
图1为本发明实施例用户需求分析示意图；1 is a schematic diagram of user demand analysis according to an embodiment of the present invention;
图2为本发明实施例融合通信数字对讲系统结构示意图；2 is a schematic structural diagram of an integrated communication digital intercom system according to an embodiment of the present invention;
图3为本发明实施例一个具体数字对讲实施方案结构图；3 is a structural diagram of a specific implementation of digital intercom according to an embodiment of the present invention;
图4为本发明实施例多频率的不同网络之间实现融合的示意图；4 is a schematic diagram of implementing fusion between different networks with multiple frequencies according to an embodiment of the present invention;
图5为本发明实施例移动网关接口示意图；5 is a schematic diagram of a mobile gateway interface according to an embodiment of the present invention;
图6为本发明实施例移动网关结构框架示意图；6 is a schematic diagram of a structural framework of a mobile gateway according to an embodiment of the present invention;
图7为本发明实施例移动网关语音信息传输框图；7 is a block diagram of voice information transmission of a mobile gateway according to an embodiment of the present invention;
图8为本发明实施例移动网关可以采用的一种音频采样电路图；FIG. 8 is a circuit diagram of an audio sampling that can be adopted by the mobile gateway according to an embodiment of the present invention;
图9为本发明实施例移动网关可以采用的一种语音输出电路图；FIG. 9 is a circuit diagram of a voice output that can be adopted by the mobile gateway according to an embodiment of the present invention;
图10a、图10b、图10c、图10d为移动网关主处理器原理图。Fig. 10a, Fig. 10b, Fig. 10c, Fig. 10d are schematic diagrams of the main processor of the mobile gateway.
具体实施方式Detailed ways
以下结合附图对本发明的优选实施例进行说明，应当理解，此处所描述的优选实施例仅用于说明和解释本发明，并不用于限定本发明。The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, but not to limit the present invention.
基于对用户需求的基本分析，如图1所示，针对传统对讲机的短板，需要针对性的建立一个通信的中心，能够承担不同现场的传统对讲机之间的远程通信。因而，本发明实施例结合卫星通信和数字窄带通讯相关技术，利用一套简单的现有组件，通过卫星通信或地面3G/4G/5G/LTE/LAN通信，实现多种通讯方式的互通互联，在拓展无线电集群通信的覆盖范围的同时，延续对讲式的简便使用情景。Based on the basic analysis of user needs, as shown in Figure 1, in view of the shortcomings of traditional walkie-talkies, a targeted communication center needs to be established, which can undertake long-distance communication between traditional walkie-talkies at different sites. Therefore, the embodiment of the present invention combines satellite communication and digital narrowband communication related technologies, utilizes a set of simple existing components, and realizes the interconnection of various communication modes through satellite communication or terrestrial 3G/4G/5G/LTE/LAN communication. While expanding the coverage of radio trunking communications, the easy-to-use intercom-style scenario continues.
图2为本发明实施例一中融合通信数字对讲系统结构示意图。如图2所示，该融合通信数字对讲系统包括卫星设备、移动网关、网管平台和手台电台，其中，所述手台电台连接移动网关，移动网关通过卫星设备或其它通信设备相互连接，所述网管平台通过其它通信设备连接移动网关；包括：FIG. 2 is a schematic structural diagram of a digital intercom system for converged communication in
移动网关，用于接收手台电台的通信数据，通过卫星设备或其它通信设备经过卫星通信系统或其它通信系统发送所述通信信息；接收卫星设备或其它通信设备经过卫星通信系统或其它通信系统发送的通信数据并转发所述手台电台；The mobile gateway is used to receive the communication data of the mobile station, and send the communication information through the satellite communication system or other communication system through satellite equipment or other communication equipment; the communication data and forward the said mobile station;
卫星设备，用于通过卫星通信系统发送或接收所述移动网关发送的通信数据；Satellite equipment for sending or receiving communication data sent by the mobile gateway through a satellite communication system;
手台电台，用于接收用户产生的所述通信数据并发送移动网关；A mobile station radio station for receiving the communication data generated by the user and sending the mobile gateway;
网管平台，用于管理所述移动网关，管理用户信息，控制通信过程。The network management platform is used to manage the mobile gateway, manage user information, and control the communication process.
本发明实施例中，若干台所述手台电台连接一台所述移动网关；每台所述移动网关对应连接一台或若干台所述卫星设备；所述网关设备能够设置若干台，每台所述网关设备对应连接管理若干台移动网关。In the embodiment of the present invention, several mobile radio stations are connected to one mobile gateway; each mobile gateway is correspondingly connected to one or several satellite devices; The gateway device correspondingly connects and manages several mobile gateways.
所述移动网关设置有网络接口，通过所述网络接口连接各个通信系统或网管平台；所述通信系统包括但不限于：互联网通信系统、移动通信系统、专用网络通信系统或传统语音通信系统，也即卫星通信或地面3G/4G/5G/LTE/LAN通信。The mobile gateway is provided with a network interface, through which each communication system or network management platform is connected; the communication system includes but is not limited to: Internet communication system, mobile communication system, dedicated network communication system or traditional voice communication system, or Namely satellite communication or terrestrial 3G/4G/5G/LTE/LAN communication.
所述手台电台包括手台与电台，所述手台与电台能够支持VHF甚高频无线电通信网络、UHF超高频无线电网络、模拟电台网络和数字窄带通信网络；Described mobile station radio includes mobile station and radio station, described mobile station and radio station can support VHF VHF radio communication network, UHF ultra-high frequency radio network, analog radio network and digital narrowband communication network;
其中，in,
所述手台，用于接收用户产生的所述通信数据并发送所述电台；the mobile station, for receiving the communication data generated by the user and sending the radio station;
所述电台，用于接收所述手台发送的通信数据并转发所述移动网关。The radio station is used for receiving the communication data sent by the mobile station and forwarding the mobile gateway.
所述卫星终端为卫星通信系统接收/发送终端，能够进行一种或若干种卫星通信系统对应的卫星链路通信。The satellite terminal is a receiving/transmitting terminal of a satellite communication system, capable of performing satellite link communication corresponding to one or several satellite communication systems.
所述网管平台与所述移动网关直接连接或通过通信系统连接所述移动网关；对连接所述移动网关的用户进行分组、分区域的管理操作。The network management platform is directly connected to the mobile gateway or is connected to the mobile gateway through a communication system; and performs grouping and sub-area management operations on the users connected to the mobile gateway.
所述网管平台根据用户属性或设置至少一个工作组，在工作组中添加每个工作组对应的移动网关；为每一个连接的所述移动网关分配相关配置，实现移动网关的动态管理。The network management platform adds a mobile gateway corresponding to each work group in the work group according to user attributes or sets at least one work group; allocates a relevant configuration to each connected mobile gateway to realize dynamic management of the mobile gateway.
所述移动网关能够独立连接声音收集设备和声音播放设备，用于接收用户发送的语音数据及向用户播放语音数据。The mobile gateway can be independently connected to the sound collecting device and the sound playing device, and is used for receiving the voice data sent by the user and playing the voice data to the user.
所述用户的语音数据通过声音收集设备输入移动网关；The voice data of the user is input to the mobile gateway through the sound collection device;
所述移动网关通过滤波电路、信号放大电路进入高速AD采样后，所述语音数据转变为数字信号；After the mobile gateway enters the high-speed AD sampling through the filter circuit and the signal amplification circuit, the voice data is converted into a digital signal;
将所述数字信号通过音频编码后通过卫星设备、卫星通信系统或其它通信系统分发给同一用户分组对应的一台或多台对端移动网关；Distributing the digital signal to one or more peer mobile gateways corresponding to the same user group through satellite equipment, satellite communication systems or other communication systems after audio coding;
对端移动网关将所述语音数据解码后，通过手台电台或声音播放设备播放。After the mobile gateway of the opposite end decodes the voice data, it is played through a mobile radio station or a sound playing device.
所述移动网关包括加密模块，用于将通信数据根据256位AES-CTR加密算法进行加密或解密。The mobile gateway includes an encryption module for encrypting or decrypting the communication data according to the 256-bit AES-CTR encryption algorithm.
如图3所示，为本发明实施例提供的一个具体数字对讲实施方案结构图，系统组成包含：As shown in FIG. 3 , which is a structural diagram of a specific digital intercom implementation scheme provided by the embodiment of the present invention, the system composition includes:
1、卫星设备。支持各类海事卫星终端、VSAT卫星终端。1. Satellite equipment. Support all kinds of maritime satellite terminals and VSAT satellite terminals.
2、移动网关。移动网关是方案中用户端的中枢组件，是基于IP的无线电和数据通信设备，支持卫星/3G/4G/5G/LTE/LAN多种通路与陆地移动通讯系统(LMR)或船载无线电集成，在任何情况下实现可用网络之间的无缝切换。2. Mobile gateway. The mobile gateway is the central component of the client in the solution. It is an IP-based radio and data communication device. It supports satellite/3G/4G/5G/LTE/LAN channels and integrates with land mobile communication system (LMR) or shipborne radio. Seamless switching between available networks in any situation.
主要实现甚高频，模拟电台，数字窄带通讯终端处理，是网络端与电台之间的数据处理，灵活的连接方式可以实现多种不同环境下的互联，也是本发明硬件部分的主体；本设备可用于用于现场和中心。现场主要用于连接卫星设备和电台，负责现场的网络通信；中心管理主要连接专线，也可以连接4G网络实现临时的移动管理中心。It mainly realizes the processing of VHF, analog radio, and digital narrow-band communication terminal. It is the data processing between the network terminal and the radio. The flexible connection method can realize the interconnection in a variety of different environments, and it is also the main body of the hardware part of the present invention. Available for field and center use. The site is mainly used to connect satellite equipment and radio stations, and is responsible for on-site network communication; the central management is mainly connected to a dedicated line, and it can also be connected to a 4G network to realize a temporary mobile management center.
3、网管平台。网管平台的形式可作为一个基于互联网的门户网站，从而确保所有移动网关的配置简单易行，无论身在何处，都可以通过网络对用户系统进行无接触式的更新和管理。3. Network management platform. The network management platform takes the form of an Internet-based portal, ensuring that all mobile gateways can be easily configured, and users' systems can be updated and managed through the network without contact, no matter where they are.
网管平台是布置在专线上的一套软件系统服务，可分用户、分组、分区域方式管理，中心可以设立多个独立分组，实现现场的分离管理，也可以实现多个现场的互通互联。The network management platform is a set of software system services arranged on a dedicated line. It can be managed by users, groups, and regions. The center can set up multiple independent groups to achieve separate management of the site, and can also realize the interconnection of multiple sites.
为了防止不同用户之间的串扰或同一用户对不同作业组的分别管控，整个系统通过网管平台的分组管理实现；网管平台设置了多个工作组，并在工作组中添加各自的移动网关(每个网关拥有唯一ID号)，网管平台将为每一个连接的移动网关分配相关配置，实现终端的动态管理。In order to prevent crosstalk between different users or separate management and control of different work groups by the same user, the whole system is implemented through the group management of the network management platform; the network management platform sets up multiple work groups, and adds their own mobile gateways (each mobile gateway) to the work group. Each gateway has a unique ID number), and the network management platform will assign relevant configuration to each connected mobile gateway to realize dynamic management of the terminal.
4、手台电台。通过电台实现现场手台呼叫信息与卫星设备、移动网关互联。4. Hand radio. The on-site mobile station call information is interconnected with satellite equipment and mobile gateways through the radio.
电台设备主要负责与手台终端的分、集通信，是手台与移动网关的连接器；支持标准VHF/UHF电台。首台设备主要实现现场人员之间的通信设备，兼容现有手台。The radio equipment is mainly responsible for the sub-set communication with the mobile station terminal, and is the connector between the mobile station and the mobile gateway; it supports standard VHF/UHF radio stations. The first equipment mainly realizes the communication equipment between the field personnel and is compatible with the existing mobile station.
本系统能够实现多频率融合：VHF甚高频无线电通信网络A和UHF超高频无线电网络B之间通过本系统实现实时互联。在接入到本系统以后，还可以通过IP网络对接其他专有网络和调度系统。如图4所示，为多频率的不同网络之间实现融合的示意图。This system can realize multi-frequency fusion: real-time interconnection between VHF VHF radio communication network A and UHF UHF radio network B is realized through this system. After connecting to this system, it can also connect to other proprietary networks and dispatching systems through the IP network. As shown in Figure 4, it is a schematic diagram of realizing fusion between different networks with multiple frequencies.
本发明设备端核心部件是移动网关，如图5所示，为移动网关接口示意图，图6为移动网关结构框架示意图，其中，The core component of the device side of the present invention is a mobile gateway. As shown in FIG. 5, it is a schematic diagram of the interface of the mobile gateway, and FIG. 6 is a schematic diagram of the structural framework of the mobile gateway, wherein,
通过I/O接口，移动网关对接电台的语音和PTT(Push-to-Talk，控制器)控制。Through the I/O interface, the mobile gateway connects to the radio's voice and PTT (Push-to-Talk, controller) control.
移动网关主要接口包括：The main interfaces of the mobile gateway include:
手持机接口：用于连接手持机(手持机包含扬声器和麦克风)，用于接听和发送语音。Handset interface: used to connect a handset (the handset contains a speaker and a microphone) for answering and sending voices.
网络接口：用于语音信号于后台网管平台的数据连接。Network interface: used for data connection of voice signal to the background network management platform.
电源口：提供设备所需电源。Power port: Provides the power required by the device.
I/O控制：用于电台控制和扩展功能上的使用。I/O Control: Used for radio control and extended functions.
USB扩展维护：主要用于升级系统和系统功能扩展使用。USB expansion maintenance: mainly used to upgrade the system and system function expansion.
由通用PTT使用特点界定，移动网关使用效果来说语音信息传递是半双工模式，这样的使用模式在满足用户语音通信的同时极大的降低带宽占用，同时也延长电池的使用寿命。Defined by the general PTT use characteristics, the mobile gateway uses half-duplex mode for voice information transmission. This mode of use greatly reduces bandwidth usage while satisfying user voice communication, and also prolongs battery life.
语音信号由麦克风输入移动网关，网关通过滤波电路、信号放大电路进入高速AD采样，采样后语音信号变为数字信号，通过音频编码(码率32k～64k)后将数据发往网络网管平台上；通过网管平台的管理，语音数据将分发给同一组内的一台或多台移动网关；最后由其它移动网关解码后将语音播发出来。具体如图7所示。The voice signal is input to the mobile gateway by the microphone, and the gateway enters the high-speed AD sampling through the filter circuit and the signal amplification circuit. After sampling, the voice signal becomes a digital signal, and the data is sent to the network management platform through audio encoding (code rate 32k ~ 64k); Through the management of the network management platform, the voice data will be distributed to one or more mobile gateways in the same group; finally, other mobile gateways will decode and broadcast the voice. Specifically as shown in Figure 7.
为了防止语音数据在网络传输过程中被监听，语音数据传输前使用256位AES-CTR加密算法进行加密。加密后的数据传输不用担心数据被第三方截获还原，极大保障用户通信的安全性和可靠性。To prevent voice data from being monitored during network transmission, the voice data is encrypted with a 256-bit AES-CTR encryption algorithm before transmission. The encrypted data transmission does not need to worry about the data being intercepted and restored by a third party, which greatly guarantees the security and reliability of user communication.
图8为移动网关可以采用的一种音频采样电路图，图9为语音输出电路图，图10a、图10b、图10c、图10d分别为移动网关主处理器原理图。Figure 8 is an audio sampling circuit diagram that can be used by the mobile gateway, Figure 9 is a voice output circuit diagram, and Figures 10a, 10b, 10c, and 10d are schematic diagrams of the main processor of the mobile gateway, respectively.
本发明的技术方案提出了一种融合通信数字对讲系统，所述系统包括卫星设备、移动网关、网管平台和手台电台，其中，所述手台电台连接移动网关，移动网关通过卫星设备或其它通信设备相互连接，所述网管平台通过其它通信设备连接移动网关；包括：移动网关，用于接收手台电台的通信数据，通过卫星设备或其它通信设备经过卫星通信系统或其它通信系统发送所述通信信息；接收卫星设备或其它通信设备经过卫星通信系统或其它通信系统发送的通信数据并转发所述手台电台；卫星设备，用于通过卫星通信系统发送或接收所述移动网关发送的通信数据；手台电台，用于接收用户产生的所述通信数据并发送移动网关；网管平台，用于管理所述移动网关，管理用户信息，控制通信过程。The technical solution of the present invention proposes a digital intercom system for integrated communication, the system includes satellite equipment, a mobile gateway, a network management platform and a mobile station, wherein the mobile station is connected to the mobile gateway, and the mobile gateway is connected to the mobile gateway through the satellite equipment or the mobile station. Other communication devices are connected to each other, and the network management platform is connected to the mobile gateway through other communication devices; including: the mobile gateway is used to receive the communication data of the mobile station, and send the data through the satellite communication system or other communication system through satellite equipment or other communication equipment. the communication information; receive the communication data sent by satellite equipment or other communication equipment through the satellite communication system or other communication system and forward the mobile station radio; satellite equipment is used to send or receive the communication sent by the mobile gateway through the satellite communication system data; a mobile station radio, used to receive the communication data generated by the user and send the mobile gateway; a network management platform, used to manage the mobile gateway, manage user information, and control the communication process.
本发明结合卫星通信和数字窄带通讯相关技术，利用一套简单的现有组件，通过卫星通信或地面3G/4G/5G/LTE/LAN通信，实现多种通讯方式的互通互联，在拓展无线电集群通信的覆盖范围的同时，延续对讲式的简便使用情景，通信链路更安全，通信群组更灵活，后台管理更直观。可广泛用于公共安全、公用事业、海上作业、采矿以及石油和天然气等领域。The invention combines satellite communication and digital narrowband communication related technologies, utilizes a set of simple existing components, realizes the intercommunication and interconnection of various communication modes through satellite communication or ground 3G/4G/5G/LTE/LAN communication, and expands the radio cluster. In addition to the coverage of communication, the convenient intercom-style usage scenario continues, the communication link is more secure, the communication group is more flexible, and the background management is more intuitive. Can be widely used in public safety, utilities, offshore operations, mining, and oil and gas fields.
本领域内的技术人员应明白，本发明的实施例可提供为方法、系统、或计算机程序产品。因此，本发明可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本发明可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器和光学存储器等)上实施的计算机程序产品的形式。As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media having computer-usable program code embodied therein, including but not limited to disk storage, optical storage, and the like.
本发明是参照根据本发明实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block in the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to the processor of a general purpose computer, special purpose computer, embedded processor or other programmable data processing device to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing device produce Means for implementing the functions specified in a flow or flow of a flowchart and/or a block or blocks of a block diagram.
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory result in an article of manufacture comprising instruction means, the instructions The apparatus implements the functions specified in the flow or flow of the flowcharts and/or the block or blocks of the block diagrams.
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。These computer program instructions can also be loaded on a computer or other programmable data processing device to cause a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process such that The instructions provide steps for implementing the functions specified in the flow or blocks of the flowcharts and/or the block or blocks of the block diagrams.
显然，本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention. Thus, provided that these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.
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