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深度解析LoRa和LoRaWAN的區別
DATE:2018-05-19 8:36:24

1.ZONGTIJIESHAO

博牛社区 SUIZHUWULIANWANGJISHUDEFEISUFAZHAN,NB-IoT、LoRa、SigFoxDENGJISHUMINGCISHIBUSHICHUXIANZAIWOMENDESHIYEZHONG,DUIPUTONGDUZHEHUOZHEGANGGANGJIECHUWULIANWANGLINGYUDERENLAISHUO,ZAIYIDADUIMINGCIMIANQIANKENENGHUIHUNXIAO。BENWENZIBENLUNJIANGZHENDUILoRaHELoRaWNZUOXIZHIDEJIESHAOYUBIJIAO。

ZONGTIERYAN,LoRaJINBAOHANLIANLUCENGXIEYI,BINGQIEFEICHANGSHIYONGYUJIEDIANJIANDEP2PTONGXIN;TONGSHI,LoRaMOKUAIYEBILoRaWANBIANYIYIDIAN;

博牛社区 LoRaWANYEBAOHANWANGLUOCENG,YINCIKEYIJIANGXINXIFASONGDAORENHEYILIANJIEDAOYUNPINGTAIDEJIZHAN。ZHIXUJIANGZHENGQUEDETIANXIANLIANJIEDAOQICHAZUO,LoRaWANMOKUAIJIUKEYIYIBUTONGDEPINLVGONGZUO。

2.LoRaSHISHENME

SUIRANLoRaJINGCHANGBEIWUYONGLAIMIAOSHUZHENGGELPWANTONGXINXITONG,DANYANGELAISHUO,LoRaSHISemtechYONGYOUDEZHUANYOUDIAOZHIGESHI。 SX1272HESX1276 LoRaXINPIANSHIYONGCHENGWEIchirpKUOPIN(CSS)DEDIAOZHIJISHULAIZUCHENGJISHUZHANDEWULICENG(PHY)。

博牛社区 LoRaYOULIANGZHONGBUTONGDEXIEYIZHAN:LoRaWANHESymphony Link。 Symphony LinkSHIYONGYUXUYAOGAOJIGONGNENGDEGONGYEHEQIYEYONGHU。 LoRaWANSHIYONGYUJIYULoRaWANDEYIDONGWANGLUO,ZAIOUZHOUFAZHANDEBIJIAOKUAI。

博牛社区 DIGONGHAOGUANGYUWANG(LPWAN)YUJIJIANGHUIZHICHIWULIANWANGYUCEDESHUSHIYISHEBEI,ZAIZHENGGEXITONGZHONG,YOUHENDUOGEZUJIANZUCHENG。WULI(PHY)CENGZAIYINGJIANCENGMIANDINGYILESHUJUCHUANSHUDEDIANQIGUIGE。SHUJULIANLUCENGFUZEJIANCEPHYCENGDEBIANHUABINGJIANLIFASONGSHUJUDEXIEYI。

3.LoRaWANSHISHENME

博牛社区 LoRaWANSHIYIGEKAIFANGBIAOZHUN,TADINGYILEJIYULoRaXINPIANDELPWANJISHUDETONGXINXIEYI。 LoRaWANZAISHUJULIANLUCENGDINGYIMEITIFANGWENKONGZHI(MAC),YOULoRaLIANMENGWEIHU。 LoRaHELoRaWANZHIJIANDEZHEZHONGQUBIEHENZHONGYAO,YINWEILink LabsDENGQITAGONGSIZAILoRaXINPIANDEDINGBUSHIYONGZHUANYOUDEMACCENGLAICHUANGJIANGENGHAODEHUNHESHEJI - ZAILink LabsANLIZHONGCHENGWEISymphony Link。

ZHENGRUSHANGWENTIDAODE,LoRaWANSHIYIZHONGMEITIFANGWENKONGZHI(MAC)CENGXIEYI,ZHUANWEIJUYOUDANYIYUNYINGSHANGDEDAXINGGONGGONGWANGLUOERSHEJI。 TASHIYONGSemtechDELoRaDIAOZHIFANGANGOUJIAN,JUTISHEJIDAOYIXIAJIFANGMIAN:

SHIYONGLoRaGOUJIANGONGGONGWANGLUO

NIKENENGYIJINGLEJIEDAOLoRaWANBUSHIHEZHUANYONGWANGLUODEJIEJUEFANGAN,MUQIANTADEQUEGENGSHIHEYUGONGGONGGUANGYUWANGLUO。QIGENBENYUANYINZAIYUZAILoRaWANZHONG,SUOYOUPINDAODOUDIAODAOXIANGTONGDEPINLV,BINGQIEZAIDANYIQUYUZUIHAOZHIYOUYIGEWANGLUOCAOZUOYIBIMIANPENGZHUANGWENTI。

博牛社区 YOUYUWANGLUOZHONGDESUOYOUWANGGUANDOUBANGDINGDAOTONGYITAIFUWUQI,YINCIQUEDINGNAGEWANGGUANYINGDUICHUANSHUZUOCHUXIANGYINGSHIFUWUQIDEGONGZUO。ZAIDAXINGWANGLUOZHONG,RENHEGEIDINGDECHUANSHUTONGCHANGYOUDUOGEJIESHOUQIJIESHOUDAO,RANHOUFUWUQITONGZHIYIGEWANGGUANZUOCHUXIANGYING,QITAWANGGUANHULVECHUANSHU。GAIGUOCHENGYOUZHUYUBIMIANXIAXINGLIANLUHESHANGXINGLIANLUCHONGTU,YINWEIDANGEWANGGUANZHENGZAICHUANSHU,ERQIEZHONGDIEDEWANGGUANKEYIJIANDANDIZHENTINGQITACHUANSHU。

LINGWAI,KEYITONGGUOLoRaLIANMENGLAIWEITEDINGYONGTUSHEZHITEDINGPINDAO。WANGLUOYUNYINGSHANGYEKEYICONGFUWUQIDUANXIANZHIQIWANGLUOZHONGDEXIAXINGLIANLUSHULIANG,YIQUEBAODIYOUXIANJIDUANDIANBUHUIYINXIAXINGLIANLULIULIANGER“DUSAI”WANGLUO。

JUTIYINGYONGZHONGMIANLINDELINGYIGETIAOZHANSHILoRaWANZHUYAOSHISHUJULIANLU(MAC)CENG(OSIDI2CENG),ZHIYOUWANGLUOCENGDEYIXIEYUANSU(OSIDI3CENG)。SUIRANZHEWEIYINGYONGCHENGXUTIGONGLEHENDADELINGHUOXING,DANTASHIYINGYONGCHENGXUKAIFARENYUANYOUXIANGDANGSHULIANGDEGONGZUOLAITIGONGWANZHENGDECHANPIN。ZHEBAOKUOFENZUHUA,XIAXINGLIANLUKONGZHI,DUOBODENG。

博牛社区 LoRaWANRUHEGONGZUO

ZAIZUIJIBENDECENGMIANSHANG,XIANGLoRaWANZHEYANGDEWUXIANXIEYIXIANGDANGJIANDAN。LoRaWANSHIYIZHONGXINGXINGHUOXINGXINGDUIXINGXINGTUOPUJIEGOU,YINWEIZAIBAOCHIDIANCHIDIANLIANGBINGZENGJIATONGXINFANWEIFANGMIANDEYOUSHI,SUOYIPUBIANRENWEITABIWANGZHUANGWANGLUOGENGHAO。 

JUTIERYAN,XINGXINGTUOPUTONGGUOWANGGUANJIANGXIAOXIZHONGJIDAOZHONGYANGFUWUQI,MEIGEMODUANJIEDIANJIANGSHUJUCHUANSHUDAODUOGEWANGGUAN。RANHOUWANGGUANJIANGSHUJUZHUANFADAOWANGLUOFUWUQI,ZAIWANGLUOFUWUQISHANGZHIXINGRONGYUJIANCE,ANQUANJIANCHAHEXIAOXIDIAODU。

ZHEZHONGSHEJIDELIANGGEMINGXIANYOUSHIZAIYU:

博牛社区 1. GENGJIANDANDEGENZONG:YOUYUZHONGDUANJIEDIANXIANGDUOGEWANGGUANFASONGSHUJU,YINCIBUXUYAOWANGGUANDAOWANGGUANDETONGXIN。 ZHEJIANHUALEZHONGDUANJIEDIANYIDONGGENZONGYINGYONGDELUOJI。

博牛社区 2. GENGHAODEGONGGONGWANGLUO:ZHEZHONGBUDUICHENGDEGUANXIRANGZHONGYANGFUWUQILAIJIEJUEPENGZHUANGWENTI,SUOYILoRaWANKENENGGENGSHIHEBUSHUZAIGONGGONGWANGLUO。

博牛社区 SHANGTUXIANSHILELoRaWANDEZHUYAOYUNXINGGUOCHENG。 DINGLANXIANSHIWANGGUANSHIFOUZHENGZAICHUANSHU。 (CHENGSEBIAOSHIZHENGZAICHUANSHU;LANSEBUZAICHUANSHU。)DIBUXIANSHIJIESHOUQITONGDAO,JIHUSUOYOUDELPWANXITONG(BAOKUOLoRaWAN)DOUYOUDUOGEJIESHOUTONGDAO,DADUOSHULoRaWANXITONGKEYIZAIRENYISHULIANGDEPINLVTONGDAOSHANGTONGSHIJIESHOUBATIAOXIAOXI。

4.LoRaWANDEALEI、BLEI、CLEI

博牛社区 LoRaWANYOUSANGETONGSHICAOZUODELEI。 ALEISHIYIBUDE,ZHEYIWEIZHUZHONGDUANJIEDIANBUHUIDENGDAITEDINGDESHIJIANYUWANGGUANTONGHUA,ERSHIZHIZAIXUYAOSHIJINXINGCHUANSHU,ZAICIZHIQIANYIZHICHUYUXIUMIANZHUANGTAI。ZHIYAOYIGEJIEDIANWANCHENGCHUANSHU,LINGYIGEJIEDIANLIJIKAISHI。ZAIGOUTONGFANGMIANMEIYOURENHECHAJU,CHUNALUOHAWANGLUODELILUNZUIDARONGLIANGYUEWEICIZUIDAZHIDE18.4%。ZHEZHUYAOSHIYOUYUPENGZHUANG,YINWEIRUGUOYIGEJIEDIANZHENGZAIFASHEBINGQIELINGYIGEJIEDIANXINGLAIBINGJUEDINGSHIYONGXIANGTONGDEWUXIANDIANSHEZHIZAIXIANGTONGDEPINDAOZHONGFASHE,ZETAMENJIANGFASHENGCHONGTU。

博牛社区 BLEIYUNXUJIANGXIAOXIFASONGDAODIANCHIGONGDIANJIEDIAN。MEI128MIAO,WANGGUANFASONGYIGEXINBIAO。SUOYOULoRaWANJIZHANDOUTONGSHIFASONGXINBIAOXIAOXI,YINWEITAMENCONGSHUYUYIGEMOCHONGMEIMIAO(1PPS)。ZHEYIWEIZHUMEIGEZAIGUIGUIDAOSHANGDEGPSWEIXINGDOUHUIZAIMEIMIAOKAISHISHICHUANSHUYITIAOXINXI,CONGERRANGSHIJIEGEDIDESHIJIANTONGBU。SUOYOUBLEIJIEDIANZAI128MIAOZHOUQINEIBEIFENPEIYIGESHIXI,BINGBEIGAOZHIHESHISHOUTING。

博牛社区 CLEIYUNXUJIEDIANCHIXUJIANTING,BINGKESUISHIFASONGXIAXINGXIAOXI。ZHEZHUYAOYONGYUJIAOLIUGONGDIANDEYINGYONG,YINWEITAXUYAOHAOFEIDALIANGDEJINGLILAIBAOCHIJIEDIANSHIZHONGBAOCHIQINGXINGDIYUNXINGJIESHOUQI。

5.ZONGJIE

ZONGSHANGSUOSHU,MIANDUILEISIYULoRaHELoRaWANZHEYANGRONGYIHUNXIAODEMINGCI,QISHIZHIYAOXITONGSHULIYIXIAJIUKEYIFAXIANQIZHONGDEQUBIE。XIABIAOZONGJIELELIANGZHEZHIJIANZUIZHUYAODEJIDIANTEXING:

區別 LoRa LoRaWAN
本質 LoRa是LoRaWAN網絡物理層中使用的調制技術;基本上是CSS(Chirp Spread Spectrum)調制,用于使用不同的擴頻因子提供不同的數據速率。 LoRaWAN由于其廣泛的覆蓋能力而被用作WAN(廣域網)的無線網絡。
應用 在LoRaWAN系統中用作魯棒調制;有助于實現不同的數據速率。 用作低功耗,低數據速率和長距離無線系統;在基于IoT / M2M的系統中很受歡迎。
所處位置 在系統的物理層有特定的功能。 它有四層: RF,物理層,MAC和應用層。

 

博牛社区 JIEHESHANGTU,YONGZUIJIANDANDEGONGSHI,NIKEYIZHEMELIJIE:

博牛社区 LoRa = PHY Layer

LoRaWAN or Symphony Link = MAC Layer

LoRa + LoRaWAN = LPWAN 

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