Design of the communication module of smart handheld terminal in power marketing

摘要

Handheld terminal has been developed rapidly with the close integration of communication technology and electronics. Based on the scheme of PXA310 and WINCE6.0, this article designs the GPRS module, electric infrared module, RS485 module and RFID module of smart handheld terminal used in the advanced metering structure (AMI) system in the power marketing. In this paper, the communication system design of hardware and software of smart handheld terminal for power marketing has been proposed which through the study of four communication module and the technical requirements of smart power.