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ofoͨѶоƬ͸¶Ұ

2020/2/14 15:12:40  Դй 

ofoСƳʼоƬҵ?ʵһ¡

ǷһofoоƬƬӦþһͨѶģ飬ģӦǼ˶оƬ塣

ofoСƳͨѶģ֮Ĺ£ֻҪGoogleһ¹ؼ֣Ҫ׷ѰofoСƳͻΪĺˡ

2·ݣйšΪofoСƳһϵеĺ——йšΪofoǩNB-IoTЭ飬ofoƿйŸȫNB-IoT粿𣬻ΪṩоƬ缰IoTƽ̨ڵ

зNB-IoTխͼӦþNB-IoTͨѶģˡʵGoogleϼؼ־ͿԷ֣ڽ6·ݵʱʹøüʼڱͶš

ԣNB-IoTһʲôļ

հٿϸ——NB-IoT (Narrow Band -Internet of Things)˼խǻխ(200KHz)ķʽͨżרӦڳ롢ʡ͹ġ㸲ǵҵϡ

ʵϣNB-IoTLTEϷչģʹȨƵΣɵе2G/3G/LTEϡҲ˵NB-IoTɲĿǰƽ̨֮£ִһרIoTն豸ңĿǰѱִᡢйƶйšйͨȴӪ̲ɣΪͨӢضȲҵγ׷

ԣҪ˵NB-IoTofoСƳϵƣô㣺

Ǹ㣬Ӹ豸GPRSȣNB-IoTĸǿ20dBϣ൱100ĸ

ǸȶԣNB-IoTеƶ߳50-100ϣĻվƽſҲ˵ͬһվӸofo豸ֽźŷΧڵն˼;⣬NB-IoTźŴǽԶԶе磬ûȡͣСƳʱNB-IoT˳GPRSܻ򲻿ӳ;

Ǹ͹ģԵGPRSĹʽ;NB-IoT䱸ӼоƬ幦Ľ͡NB-IoT豸Ĵʱе¿ʹ2-3꣬ı˴ǰûﳵ߷״ʡ豸ƳɱʹNB-IoTԲĽЩ⡣

ʸ죺NB-IoTרΪ׼2GܸšofoСƳ“ʵ1sɡ”

ofoСƳ——зĽǶNB-IoTʷϵһվûнɵ£ģδվźзIJƷΪopen labʵһģδͬźǿµijԼûйлվ໥лݶϵijʵ֣ⷢģijʵ糡һ¡

Ϊṩ豸——IoTƽ̨˼fotaϵͳʵͬǰƶͨΪӪ빲ҵ֮Ϣǿʼ罻һ˫Ϣͬվʱûиϣͻִ崻

ΪNB-IoTļ——ӵ࣬“һг”жλӾ׼ն˵͹ģͨżǿ;̳ߡӵдƽ̨ԸµofoСƳ˵Ҳһȷļ

СƳӰԼһЩռ

ȥNB-IoTĸʡǷΧԼȶԺ͵͹֮⣬ofoСƳͻΪͬзNB-IoTоƬҲǴͳ2GоƬ1/21/3֮䣬ϼʵ彵ѣӶﵽӪɱ͵ǰᡣ

֪ʿϵһͼƬ

ofoСƳδԸdzΪһƽ̨ĹҪNB-IoTȶӸijÿӵijɱļҲԸ

ĿǰNB-IoT֧5-10ն˵Ľ롣

⣬NB-IoTѾΪȫӪͨõڵ֮⣬IoTҵиԪ֮ĻҲԲһռ䣬Ҳdzķ룬V2IV2Xܱ߻ʩͨţV2Vó복֮ͨţڲҵ֮гΪһĵ壬һܵĴ——СƳͬгչռ䡣

ȻϿofoСƳֻṩһܽһ——ֽ׶˵ͨѶģofoСƳ˹ҵİ뾶ӲƷṩ̵ͨѶṩ̡ofoСƳҵµоƬofoСƳӸײµ֮ĸƷڵײ㼼Ƶܡ

ofoСƳҲڴӦò——ûﳵofo쳵ṩ ײ——ṩһֿгͨŵĹת䡣նӲƶ˷ת䣬IBMͰ豸̡Ƽ졣

ofoСƳƽ̨ofoСƳΪƽ̨ϵҵԪԱ֮ڰͰ͡

Ŀǰ˹֮⣬NB-IoTʹóǻʩˮú硣ˮ͵̵ꡢ·Ƶܱʩ󶨻ʩҲδһơ

NB-IoTԾ̬Ľ衣NB-IoTҵΪоƬģ顢նˡӪ4֣NB-IoTĽҪͨԼ໥ն˵λá

̼ӿ

ӪNB-IoTĿڼӿ졣

20173£йˮšΪȫ׸NB-IoT(խ)ǻˮĿ517գйȫ׸NB-IoT磬ȫ31վͬ

2017426գйƶ׸NB-IoT(խ)ǻˮĿʽͶʹáйƶϾݡȵع滮5000NB-IoTվ㡣

йͨҲϺ㶫ʮNB-IoT粿ʵ飬2017꽫Ϻȫиǵרվģ3000ʵڹģӡ

̵Ļ裬ڵն֮ǰҲûʲô“”ģͶ뵽

NB-IoTḶܱ̌ĻҪһЩ


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