P802.15.4a/D7, Jan 2007 - Approved IEEE Draft Amendment to IEEE Standard for Information Technology-Telecommunications and Information Exchange Between Systems-Part 15.4:Wireless Medium Access Control (MAC) and Physical Layer (PHY) Specifications for Low-Rate Wireless Personal Area Networks (LR-WPANS): Amendment to Add Alternate Phy (Amendment of IEEE Std 802.15.4) | IEEE Standard | IEEE Xplore