5BoqueteL,Bravo I,Barea R.Telemetry and control system with GSM communications[J].Microprocessors and Microsystems,2003,271:1-8.
6Ghribi B,Logrippo L.Understanding GPRS:The GSM RTU packet radio service[J].Computer Networks,2000,34(5):763-779.
7Yaiparoj S,Harmantzis F,Gunasekaran V.On the economics of GPRS networks with Wi-Fi integration[J].European Journal of Operational Research,2006,187(2):1459-1475.
8Texas Instruments.TMS320C28x assembly language tools user's guide[M].Texas Instruments,2007:24-56.