Online upgrade method for embedded wireless information terminal
Xiaohui He · Journal of Computer Applications · 2010
Based on the existing research and achievements of wireless communication and embedded technologies home and aboard,a kind of software online upgrade method based on a 3rd generation wireless module was proposed with the goal of rapidity,safety and reliability,concerning the shortage of the existing software upgrade methods in embedded wireless information terminal.At first,the design ideas and working principles were described.Then the designs of the key technologies were expounded in detail.At last,an application case with test result was given.The result shows the method is rapid,safe and reliable,and the cost of software renewal and maintenance can be effectively reduced.