LoRa绉浠涔风

2009骞917ワ涓瀹舵藉Cycleo浜轰滑灞绀轰涓绉扮瀵间-LoRa锛缁绾挎版杈甯ヤ璺绂汇轰绉棰瑕х涓╂LoRa浠ユ浣浜浣杩绋绾块淇°10mW RF杈哄渚瓒杩25km瑙绾胯绂汇LoRa涓轰涓板IP锛涓50K浠ヨ琛ㄧ航ｆAA垫涓

2012骞3锛Semtech惰喘浜绾块胯绂IP″CycleoCycelo苟ュ颁Semtech RF骞冲

 2015骞2锛LoRa绔浜反濉缃ｇЩㄤ澶т LoRaMAC琚板藉涓衡LoRaWAN锛涓LoRa瑙LoRa璋惰В璋锛LoRa? (Long Range锛杩璺绂)绉璋舵涓绫绘告锛渚撮跨淇¤绂汇璋舵轰╅绾挎ц舵╅锛CSS锛涓涓绉锛锋绾锛FEC锛LoRa捐版楂浜垫害锛涓朵╅凤浣跨ㄤ翠釜淇￠甯骞挎涓俊锛浠浣夸俊０变娇ㄤ舵寮璧烽Щ涓ф村ュ．LoRa浠ヨ朵俊19.5dB浣０锛澶у伴绉婚锛FSK锛ㄥ０涓瑕涓涓8-10dB淇″浠ユ纭躲LoRa璋舵╃灞锛PHY锛锛涓轰涓缃缁舵-MeshStar瑰圭绛

LoRaWAN锛LoRa璋惰В璋PHY锛LoRaWANMAC锛ㄤぇ瀹归璺绂讳缃缁锛LoRa姝ｅㄥ浣骞垮缃锛LPWAN锛杩琛LoRaWAN瀵逛垫渚电浼ㄨ琛浜浼锛涓绾у缁绔逛互浼缃缁寤惰垫瀵垮介寸骞宠　崇郴瀹ㄥ锛卞ㄤ瀹舵寤虹‘淇浜у瀹ㄦсLoRaWAN舵杩杞绘惧浣绉诲ㄧㄤ浜ц韪杩╄缃澧块蹇搴ㄣ涓昏典俊杩ュ姝ｅㄥLoRaWANㄧ讲涓哄ㄥ界缁锛LoRa姝ｅㄦLoRaWAN浠ョ‘淇涓藉缃缁浠ヤ浣

 LoRaWAN? 绉浣骞垮缃缁锛LPWAN锛瑙锛㈠ㄥ板恒藉ㄧ缃缁涓垫渚电绾胯澶LoRaWAN 瀵圭╄缃抽姹锛濡瀹ㄧ璁绉诲ㄥ板°LoRaWAN瑙渚鸿借澶存缂浜浣э涓瑕澶板瑁锛缁ㄦ枫寮浼涓浠ヨ憋浣垮跺ㄧ╄缃涓ヤㄣ

 LoRaWAN缃缁缁甯搁ㄧ讲涓涓缁锛朵腑缃虫涓ˉ锛ㄧ绔澶涓ぎ缃缁″ㄤ翠腑缁ф缃抽杩IP杩杩扮缁″缁绔澶浣跨ㄥ璺虫绾块淇″颁涓澶涓炽缁绔归淇′芥锛浣杩濡缁浣瀹杞欢绌轰腑绾эOTA锛朵澶ч俊浠ュ绌轰腑淇℃堕淬

缁绔澶缃充寸淇″ㄤ棰版涓浼版╅瑕ㄩ淇¤绂诲娑缁堕翠涓涓琛°变╅涓版淇′浼镐骞叉帮骞跺寤轰缁浠ュ缃冲LoRaWAN版翠0.3kbps50kbps涓烘澶ч搴版楂缁绔澶垫瀵垮藉翠缃缁瀹归LoRaWAN缃缁″ㄩ杩搴版锛ADR锛规姣釜缁绔澶版RF杈恒瀵圭╄缃ㄥ借寸缁锛濡瑕虹璁炬姐淇瀵涓汉版绀句瀵瑰ㄩ淇℃规姹绀句瑕姐杩宸查杩灞瀵瑙ｅ充

缃缁瀵ワEU164锛锛纭缃缁灞瀹

搴ㄥワEU164锛锛纭搴ㄥ绔扮瀹

璁惧涓ㄥワEUI128锛

    LoRaWAN绉涓绫诲缁绔澶浠ヨВ冲箍娉搴ㄤ腑涓姹锛

璁绔澶锛A绫伙锛A绫荤缁绔澶璁稿淇★姝ゆ釜缁绔澶涓琛捐矾浼杈璺涓や釜涓琛捐矾绐浼杈堕辩绔澶轰惰韩璁姹瀹锛规烘跺烘涓涓锛ALOHA绫诲锛ㄧ绔澶涓涓琛捐矾浼杈瀵逛绠拌姹″ㄧ涓琛捐矾璁搴ㄦヨ锛杩绉A绫绘浣浣缁绔澶绯荤ㄥ朵浠讳堕存ヨ″ㄧ涓琛捐矾璁椤荤颁涓涓搴涓琛捐矾璁

峰璋搴堕璁绔澶锛B绫伙锛A绫婚虹绐澶锛B绫昏澶杩ㄩ瀹堕存寮绐涓轰娇缁绔澶ㄩ瀹堕存寮绐锛瀹缃崇涓涓堕村姝ヤ俊杩浣垮″ㄧラ缁绔澶浠涔跺ㄤ睛

峰澶ф堕璁绔澶锛C绫伙锛C绫荤绔澶涔缁版寮绐锛浠ㄥ跺抽