应急通信超视距传输系统设计方案

应急通信超视距传输系统设计方案XX技术有限公司二O一八年十一月目录概述·············································································································1超视距无线通信介绍························································································1原理······································································································1特点······································································································1与其它无线通信方式对比···········································································2应用环境要求··························································································3系统方案设计·································································································3系统组成································································································3设备介绍································································································5超视距/卫星双模传输设备···························································································5可搬移超视距无线传输设备························································································6背负式超视距无线通信设备························································································7设备安装································································································8主要指标表1BL-V-80超视距无线传输设备主要指标序序号项目卫星模式超视距模式1工作频率上行：14GHz～14.5GHz下行：12.25GHz～12.75GHzGHz14.5～15.35GHz2业务速率kbps256～Mbps2kbps256～8Mbps3接口类型ITU-TG.703（E1、E2）、802.310/100BASE-T4通信距离与卫星信号覆盖有关2Mbps：140km8Mbps：100km5发射功率W40W×３806天线共用1面3阵元天线7开通时间15min8功耗无空调时≤0.5kW；无空调时≤2.5kW；3.2.2可搬移超视距无线传输设备可搬移式超视距无线传输设备GS-C20一种轻便型可搬移使用的超视距无线传输设备，由室内单元（IDU）、室外单元（ODU）组成，使用方便灵活。图2GS-C20实物照片功能特点采用单天线、单发射机、单接收机技术体制，系统结构大为简化，应用更加灵活。设备可固定使用或装车机动使用。主要技术指标工作频段：C频段；业务速率：256kb/s～2048kb/s；支持业务：话音、数据、图像、IP通信距离：≥60km（2048kb/s天线，1.8m天线）发射功率：40W（射频单元出口）；天线：1面抛物面天线(1.2m～2.1m可选)3.2.3背负式超视距无线通信设备BL-C-10是一种可背负超视距无线通信设备，具有速率自适应和区域无线接入功能，支持PTT话音及IP数据业务，可用于车辆无法进入的突发事件现场到信息中心的超视距通信及超视距引接。图6BL-C-10散射通信设备外观功能特点通信距离可达70km；开通撤收迅速、10分钟内完成开通或撤收；配置802.11a/b/gAP模块，可实现区域无线接入；支持速率自适应，2.4kb/s～2048kb/s动态可变。主要技术指标工作频段：4400MHz～5000MHz；传输速率：2.4kbps，16kbps～2Mbps；通信业务：话音、数据、IP；18km(2Mbps)；输出功率：10W；天线形态：1副可折叠0.9米抛物面天线（可选配）；电池能力：连续工作时间不低于2h，待机时间不低于8h；重量：主机：10kg（含电池）；天线：20kg（含背包）。3.3设备安装卫星/超视距双模式传输功能除了可选用BL-V-80车载站外，也可以在现有的静中通卫星车上进行改装，只增加超视距