NB-IoT則很好的解決了GPRS抄表方案所面臨的難題。NB-IoT抄表在功能上繼承了GPRS的同時(shí)，比起2G/3G/4G有了50-100倍的上行容量提升，這也就意味著，在同一基站覆蓋范圍下，NB-IoT可比現(xiàn)有無(wú)線技術(shù)提供50-100倍的接入數(shù)。這對(duì)于裝表量比較密集的小區(qū)無(wú)疑是一個(gè)更好的選擇。
基于NB-IoT的智能抄表系統(tǒng)主要由帶有NB-IoT模塊的水氣表、基站、NB-IoT核心網(wǎng)、NB-IoT管理平臺(tái)、客戶端網(wǎng)絡(luò)管理系統(tǒng)、集抄管理系統(tǒng)等構(gòu)成。水氣表將采集的水氣用量信息和自身狀態(tài)信息上傳至NB-IoT核心網(wǎng)和物聯(lián)網(wǎng)云平臺(tái)，同時(shí)也可以接收來自云平臺(tái)的控制信息。客戶端網(wǎng)絡(luò)管理系統(tǒng)從NB-IoT管理云平臺(tái)獲取抄收到的居民用水/氣信息，監(jiān)控各居民的實(shí)時(shí)使用情況，水氣公司通過監(jiān)測(cè)到的數(shù)據(jù)，可對(duì)用戶的用水、氣進(jìn)行實(shí)時(shí)階梯調(diào)價(jià)控制，向居民推送每月的使用量和扣費(fèi)等情況。
ZG致遠(yuǎn)電子ZM7100 NB-IoT模塊支持電信、移動(dòng)頻段，支持CoAP快速與云平臺(tái)實(shí)現(xiàn)對(duì)接，目前支持的云平臺(tái)有OneNET、eCoud、Aiyun、ZWS IoT等，極大地降低了客戶跟云平臺(tái)的對(duì)接難度。且模塊支持FOTA遠(yuǎn)程差分升級(jí)，僅需上傳數(shù)據(jù)量很小升級(jí)包的差分文件，即可完成升級(jí)。
致遠(yuǎn)電子作為物聯(lián)網(wǎng)行業(yè)領(lǐng)軍企業(yè)，構(gòu)建工業(yè)無(wú)線互聯(lián)系統(tǒng)級(jí)解決方案專家，攜手工業(yè)互聯(lián)網(wǎng)領(lǐng)域戰(zhàn)略合作伙伴，聯(lián)合推出ZM7100 NB-IoT標(biāo)準(zhǔn)通信模塊，共同助力中國(guó)物聯(lián)網(wǎng)產(chǎn)業(yè)發(fā)展。
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