In this amendment to IEEE Std 802.15.4-2011, outdoor low-data-rate, wireless, smart metering utility network requirements are addressed. Alternate PHYs aredefined as well as only those MAC modifications needed to support their implementation. Keywords: ad hoc network, IEEE 802.15.4, IEEE 802.15.4g, low data rate, low power, LR-WPAN, mobility, PAN, personal area network, radio frequency, RF, short range, smart metering utility networks, SUN, wireless, wireless personal area network, WPAN. |