1[1]Ericssion, Nokia, IBM, etc. Specification of the Bluetooth System. Version 1.0B. December 1st, 1999
2[2]Anders Edlund. Over 1000 Bluetooth SIG Members in less than 18 Months. Bluetooth SIGnal Newsletter, no.2, September 1999(http://www. bluetooth. com)
3[3]Paul Buegess. The Bluetooth Radio Specification.Bluetooth Developers Conference Building a World Without Wires. December 8,1999( http://www. bluetooth. com)
4[4]Jon Inouye. Bluetooth Software Overview. Bluetooth Developers Conference-building a World Without Wires.December 6,1999( http://www. bluetooth. com)
