| 型号 : | IC670CHS002 | 品牌 : | GE/通用电气 |
| 加工定制 : | 否 | 产品认证 : | 已认证 |
| 输出频率 : | 2220kHz | 工作电压 : | 220V |
IC670CHS002
IC670CHS002
IC670CHS002
IC670CHS002
NB-IoT感烟探测器解决方案按照云、管、端的系统架构来建设，方案包括终端层、网络层、云平台、应用层和服务层等几个层面，通过物联网、云计算、大数据等技术将各个层面整合统一为有机的整体。
3.1.1终端层-物联网感知端融合
终端设备是物联网的基础载体，随着物联网的发展，终端由原有的哑终端逐步向智能终端演进，通过增加各种传感器、通讯模块使得终端可控、可管、可互通，终端设备通过集成NB-loT标准模组，与NB-loT基站连接来实现通讯能力，智能终端通过NB-loT基站将信息上传给loT平台。
3.1.2网络层-NB-IoT部署简易，广覆盖
网络是整个物联网的通讯基础，不同的物联网场景和设备使用不同的网络接入技术和连接方式。对于智慧烟感场景，基于800M频段的NB-loT网络承载智能烟感业务，NB-loT网络具有大连接、低功耗、低成本、广覆盖的特点，符合智慧烟感通讯的需求。在网络部署上，NB-loT仅使用180KHZ带宽，可采用带内部署（In-band）、保护带部署（Guard-band）、独立部署（Stand-alone）方式灵活部署，通过现有LTE网络简单升级即可实现全国覆盖，与其他的LPWA技术相比，NB-loT具有建网成本低，部署速度快，覆盖范围广等优势。
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