2IEEE std. 802.15.4. Wireless Medium Access Control (MAC) and Physical Layer(PHY) specifications for Low Rate Wireless Personal Area Networks (LR-WPAN). http://standards.ieee.org/getieee802/download/802.15.4-2003.pdf
7IEEE Std.802.15.4-2003. IEEE Standard for Local and Metropoli- tan Area Networks. patti5.4, Wireless Medium Access Control (MAC and Physical Layer (PHA Specifications for Low-Rate Wire- less Personal Area Networks(LR-WPAN))), IEEE Press, 2003.