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Low-Power Wide-Area Network (LPWAN) or Low-Power Network (LPN) is a type of telecommunication network designed to allow long range communications at a low bit rate among things (connected objects), such as sensors operated on a battery.〔Beser, Nurettin Burcak. "Operating cable modems in a low power mode." U.S. Patent No. 7,389,528. 17 June 2008.〕〔Schwartzman, Alejandro, and Chrisanto Leano. "Methods and apparatus for enabling and disabling cable modem receiver circuitry." U.S. Patent No. 7,587,746. 8 September 2009.〕 ==Platforms and technologies== *LoRaWAN,〔(LoRaWAN )〕 Long Range WAN, from the LoRa Alliance. On 16 June 2015 version 1.0 of the LoRaWAN specification was released.〔(Version 1.0 of the LoRaWAN specification released ).〕 *Weightless, from the Weightless SIG. *LTE-MTC, an evolution of LTE communications for connected things *RPMA, Random Phase Multiple Access, from On-Ramp Wireless. *ThingPark Wireless, from Actility (based on LoRaWAN specification) *Haystack, a DASH7 development platform for low power wireless networks. *Symphony Link, from Link Labs *UNB, Ultra Narrow Band, from various companies including Telensa, NWave and Sigfox. *WAVIoT Narrowband M2M Protocol, from WAVIoT. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「LPWAN」の詳細全文を読む スポンサード リンク
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