Application service based on PDA
Hongchuan Tang · Journal of Chongqing University of Posts and Telecommunications · 2004
In this paper, the mobile application service based on PDA is introduced,and orientation of mobile telephone network or orientation of GPS, ambient communication query, analysis of data statistic and so on are discussed. The mobile application service is realized by sending a service request from mobile terminal PDA to background application-server through such the mobile communication networks as GSM,GPRS,CDMA. After the server deals with the request and returns the information to the PDA, the customers can get the message service they are interested in。