01882nam 2200409 450 99628043280331620171005101403.00-7381-9654-1(CKB)3780000000093063(WaSeSS)IndRDA00078355(NjHacI)993780000000093063(EXLCZ)99378000000009306320171005d2014 || |engur|||||||||||txtrdacontentcrdamediacrrdacarrierIEEE standard for local and metropolitan area networksPart 15.4Low-rate wireless personal area networks (LR-WPANs). Amendment 7, physical layer for rail communications and control (RCC)New York :IEEE,2014.1 online resource (121 pages)IEEE StdTwo PHYs (DSSS and FSK) that support critical infrastructure monitoring applications are provided in this amendment to IEEE Std 802.15.4-2011. In addition, only those MAC modifications needed to support the implementation of the two PHYs are described in this amendment. Keywords: IEEE 802.15.4, IEEE 802.15.4k, low data rate, low power, LR-WPAN, PAN, personal area network, radio frequency, RF, wireless personal area network, WPAN.IEEE Std.Local area networks (Computer networks)StandardsMetropolitan area networks (Computer networks)StandardsLocal area networks (Computer networks)Standards.Metropolitan area networks (Computer networks)Standards.004.68Institute of Electrical and Electronics Engineers,IEEE-SA Standards Board,WaSeSSWaSeSSDOCUMENT996280432803316IEEE standard for local and metropolitan area networks2574840UNISA