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Title:: Design and implementation of intelligent gateway system for emergency medical rescue

作者:: 肖文祥1; 2; 汤敏芳1; 2; 王鹏1; 栗伟松1; 2; 杜利东1; 陈贤祥1△; 方震1△; (1.中国科学院空天信息创新研究院，北京 100190；2.中国科学院大学电子电气与通信工程学院，北京 100049)

Author(s):: XIAO Wenxiang1; 2; TANG Minfang1; 2; WANG Peng1; LI Weisong1; 2; DU Lidong1; CHEN Xianxiang1; FANG Zhen1; (1. Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China；2. School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 100049)

Keywords:: Emergency rescue; Intelligent gateway; Multi-standard fusion; 5G mobile communications; Satellite communications; Wound classification; Medical resource scheduling; Telemedicine

摘要:: 为能及时获取救援现场中伤员的生理参数与救援舱信息，本研究采用5G蜂窝移动通信、WiFi、卫星通信和北斗短报文通信等手段，设计了一款用于传输救援现场各类数据的多制式智能网关。网关采用树莓派4B作为主控单元，通过WiFi收集前端传感器发送的数据，然后将其存储于MySQL数据库，并实现可视化显示。网关可根据当前通信链路状态选取合适的通信方式，再根据通信方式的带宽对数据进行计算和筛选，然后发送至后台服务器。通过对心电波形、呼吸波形和救援设备等各项数据的传输进行测试，结果表明，该网关系统可在不同网络环境下稳定、可靠地传输数据。该系统操作便捷，工作稳定，可有效提高应急医疗救援能力。

Abstract:: In order to obtain the physiological parameters of the injured and rescue cabin information in a timely manner at the rescue site, we designed a multi-standard intelligent gateway for transmitting various data at the rescue site by means of 5G cellular mobile communication, WiFi, satellite communication and Beidou short message communication. The gateway used Raspberry Pi 4B as the main control unit, collected the data sent by the front-end sensors through WiFi, then stored it in the MySQL database, and realized visual display on the display screen. The gateway could select the appropriate communication method according to the current communication link status, calculated and filtered the data by the bandwidth of the communication method, then sent it to the background server. The transmission of various data such as ECG waveform, respiratory waveform and rescue equipment were tested. The results showed that this gateway system could transmit data stably and reliably in different network environments. The system is convenient to operate, stable and can effectively improve the emergency medical rescue ability.