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介绍了手机短消息的工作模式,结合3GPP协议分析PDU字符串的意义,从而对发送与接收过程中短消息的编解码进行了研究。
This paper introduces the working mode of mobile short message, analyzes the significance of PDU strings by 3GPP protocol, and studies the coding and decoding of short messages during sending and receiving.