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LPWA??Wi-Fi?u802.11ah?v?̃f????????????I?A2.4GHz?ъ??????????FESEC2019??IoT/M2M?W
?T?C???b?N?X?E?e?N?m???W?[?́A?u??8?? IoT/M2M?W ?t?v?ɂ????āA?u???????v?i???Ёj?Ƃ???IEEE 802.11ah?̃f?????I?????B
?@?T?C???b?N?X?E?e?N?m???W?[?́A?u??8?? IoT/M2M?W ?t?v?i2019?N4??10?`12???A?????r?b?O?T?C?g?j?ɂ????āA?u???????v?i???Ёj?Ƃ???IEEE 802.11ah?i?ȉ??A802.11ah?j?̃f?????I?????B
?@Wi-Fi HaLow?Ƃ??Ă??802.11ah?????j?A1km?̉??????ʐM???\??Wi-Fi??LPWA?i?????d?͍L??j?l?b?g???[?N?łƂ??Ēm????B?܂??A802.11ah?́ABluetooth?Ȃǂł??g?p????2.4GHz?т̊???肪?N???Ȃ?920MHz?т?p???Ă???B?u????ɁAWi-Fi?Ɠ???IP?ʐM?ł??邱?ƁA????LPWA?l?b?g???[?N?̂悤?Ɍ??z?̗??p???????x????Ȃ??Ă????????Ƃ??????ɂȂ?v?i?T?C???b?N?X?E?e?N?m???W?[?̐??????j?B
???j?֘A?L???F??4??LPWA?K?i?uIEEE 802.11ah?v???ƁuWi-Fi HaLow?v?͋N?????邩
?@????̓W???f???ł́ANewracom??IEEE 802.11ah?Ή?IC??p???ăT?C???b?N?X?E?e?N?m???W?[???ʐM???W???[???uSX-NEWAH?v???J?????A????i?Ƃ??ēd?g???M?F???擾???Ă???B?f?????e?͔_???????V?X?e?????C???[?W???Ă???A???????ꂽ?R?̔??Ɍ??ꂽ???????J?????Ŋm?F??????A?茳?̃^?u???b?g?[???ɕ\?????ău?U?[?{?^?????????Ēǂ??????Ƃ??????́B????ɂ???IEEE 802.11ah?Ή??̃g???C?o???h??Wi-Fi?A?N?Z?X?|?C???g?uAP-610ACH?v??p???āA?J?????ƃu?U?[?Ƃ̒ʐM??IEEE 802.11ah?ŁA?^?u???b?g?[???Ƃ̒ʐM??5GHz?т?IEEE 802.11ac?ōs???B
?T?C???b?N?X?E?e?N?m???W?[?ɂ??IEEE 802.11ah??p?????_???????V?X?e???̃f???B?ʐ^???E???ɂ???̂?IEEE 802.11ah?Ή??̒ʐM???W???[???ŁA?f???W???̏??ɐݒu????Ă???g???C?o???hWi-Fi?A?N?Z?X?|?C???g???o?R???āA?^?u???b?g?[???ɃJ?????摜?????M?????B?^?u???b?g?[???̉?ʂ̃{?^?????????A?Ή?????u?U?[????d?g?݂??i?N???b?N?Ŋg??j?@?܂??ALPWA?l?b?g???[?N?Ƃ??āA?J?????̉摜?𑗐M?ł??郌?x???̒ʐM???x?????邱?Ƃ???????1?ɂȂ?B?č??ł͍ō?13.5Mbps?A???{?ł͓?3Mbps?̒ʐM???\?B?????????{?ł̓d?g???M??1???Ԃɂ?360?b?܂łƂ?????????????B?u???Ђ??Q??????802.11ah???i???c??ł??A?č??Ɠ????t???X?y?b?N?ł̗??p???\?ɂȂ?悤??????i?߂Ă???v?i?????????j?Ƃ????B
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?S??㇗???LPWA?l?b?g???[?N?A?????Ƃ͎g?????Ȃ???̂?
IoT???Ȃ???̂ɍœK?ȁA?????d?͂??L??ŗ??p?ł???LPWA?l?b?g???[?N?B?????ǖƋ????K?v?ȃ??C?Z???X?n?A?s?v?ȃA?????C?Z???X?n???܂߂đ????̃T?[?r?X??????A?S??㇗??̗l????悵?Ă???B????LPWA?l?b?g???[?N???A?????Ƃ͎g?????Ȃ???̂??낤???B
??4??LPWA?K?i?uIEEE 802.11ah?v???ƁuWi-Fi HaLow?v?͋N?????邩
IoT?i???m?̃C???^?[?l?b?g?j???b??ɂȂ?ƂƂ??ɁALPWA?iLow Power Wide Area?j?̃l?b?g???[?N?K?i?ւ̒??ڂ????܂??Ă???B???ݗL?͂Ƃ??ꂢ??̂??uSIGFOX?v?uLoRa?v?uNB-IoT?v?????A??4?̌??ɂȂ邩??????Ȃ??̂??uIEEE 802.11ah?v???ƁuWi-Fi HaLow?v???B
???܂??畷???Ȃ?LoRaWAN????
IoT?f?o?C?X???J???????ŏd?v??LPWA?i?????d?͍L??ʐM?j?l?b?g???[?N?̂????A???O?Ŋ?n?ǐݒu???ł??邱?Ƃ??璍?ڂ??W?߂Ă???̂??uLoRaWAN?v?ł??B?{?e?ł́A????LoRaWAN?ɂ??āA???p?Ҏ??_?ʼn?????܂??B
???܂??畷???Ȃ?SIGFOX?l?b?g???[?N????
IoT???g?傷?钆?Ńl?b?g???[?N?Z?p?͕K?{?ƂȂ?܂??B????IoT?????̃l?b?g???[?N?Z?p?Ƃ??Ē??ڂ???Ă???̂??uSIGFOX?l?b?g???[?N?v?ł??B?{?e?ł́ASIGFOX?Ƃ͉????A?ǂ????????l??????̂??Ƃ????_????₷????????܂??B
SIGFOX??LoRa?Ɋ??S????????gNB-IoT?h???ƁuLTE Cat.NB1?v
????́ANB-IoT?iNarrow Band-IoT?j?Ƃ??Ďd?l???肪?i?߂?ꂽ?uLTE Cat.NB1?v???Љ??BLTE Cat.NB1??????ɁAMTC?^M2M?????Ƃ??ċK?i?????ꂽ?uCat.0?v?ɂ??G?ꂽ???B
?\???R????NTT?h?R?????T?[?r?X?J?n?A?Z?????[LPWA?uLTE-M?v?Ƃ?
?\???R????IoT?????f?[?^?ʐM?T?[?r?X?uSORACOM Air?v?ɂ????āA?Z?????[LPWA?l?b?g???[?N??1?ł???LTE-M?iLTE Cat.M1?j?𗘗p?ł???uplan-KM1?v?̒??n?߂?Ɣ??\?????BNTT?h?R?????ALTE-M?ւ̑Ή??\???Ă???B
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