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ofoͨѶоƬ͸¶Ұ

ofoСƳʼоƬҵˣʵһ¡
 
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)˼խǻխ200KHzķʽͨżרӦڳ롢ʡ͹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򲻿ӳ٣
 
Ǹ͹ģԵGPRSĹʽ磻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˵͹ģͨżǿ̳ߡӵдƽ̨ԸµofoСƳ˵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-IoTխǻˮĿ517գйȫ׸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
 
籦ģ۵ķô׬Х⾭
 
“һ”ˣûڽϼǾͶ
 
ŵŸ裬֧΢ŵһ˹ʻ
 
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