[1] Texas Instruments Incorporated, TMS320F281x Data Sheet, 2005.
[2] Texas Instruments Incorporated, TMS320F28x Optimizing C/C ++ Compiler User’s Guide, 2005.
[3] SIEMENS Mobile, SIEMENS. MC55/56 Hardware Interface Description, 2006.
[4] SIEMENS Mobile, SIEMENS. MC55/56 AT Command Set, 2003.
[5] J. F. Wang, W. Q. Tao and L. L. Wang, “Design of Modify the Parameters of LTU by Using SMS,” Microcontrollers & Embedded Systems, Vol. 6, 2009, pp. 40-42.
[6] Jiangsu Electric Power Company, Power Marketing Knowledge Q & A (Part of the electricity tariff), China Electric Power Press, Beijing, 2004.
[7] Z. B. Jiang, “Power Management/Technical Expertise for the Use of Electricity,” China Electric Power Press, Beijing, 2002.