Transcript Term 4
GPRS remote access and data collection for rural telehealth project Marlo Jooste # 2324333 Supervisor : Mr William D. Tucker Project Review User Requirements • Remote access to project site • Data collection client • Implement notification system Requirements Analysis • Remote Access Cellular coverage through Vodacom GPRS network PPP client - server architecture • Data Collection Client Enables retrieval of log information Two parts : uploadClient – SFTP to upload files downloadClient – FTP to download files • Notification System Network monitoring agent SMS alert system High Level Design UWC Server Remote Access Data Collection Client Administrator Routerboard FTP Server (Log Files) Monitor SMS Alert Notification Phonebook Testing Component Remote Access Data Collection Client Alert Notification Description Problems Dialing PPP Authentication Gateway errors Transfer IP Forwarding Download with various sizes None Download with various files Filenames with spaces Event Matching None Multiple recipients Modem Timeout Achievements – Term 4 ACTIVITIES TECHNICAL Review GPRS dial scripts Setup private network with server routerboard Port Alert Notification code to python TESTING Remote Access Data Collection Client Alert Notification DOCUMENTATION Update UIS, HLD, LLD Users Guide, Testing Document Prototype Demo Demo : GPRS Connection Test Case : Setup PPP connection Upload logfile to csunx server Demonstrate test data sets Questions ? Contact Details : Email : [email protected] Website : www.cs.uwc.ac.za Routerboard MIPS CPU, 32MB DDR RAM, 128MB NAND Storage with RouterOS (Wireless Access Point support) installed, two 802.11a/b/g 2.4/5GHz wireless MiniPCI cards with U.fl-Nfemale pigtails, 18V Power Supply, Passive POE Base Unit, RB500 outdoor case with one ethernet insulator Vodafone Mobile Connect Card GPRS Modem SIM Card PCMCIA What is GPRS ? • General Packet Radio Service • GSM data transmission technique • Receives and transmits data in packet format • Uses radio spectrum What is GSM ? • Global System for Mobile communication • European digital standard for cellular telephony What is FTP ? • FTP is an application layer protocol • Uses Transmission Control Protocol (TCP) • Reliable, Connection-oriented What is PPP ? • Point-to-Point Protocol • Provide host to network connections via synchronous and asynchronous connections • Encapsulates multi-protocol datagrams over a point-to-point link Libode District Code organisation Data Collection Client build - Class files dist - Executable nbproject - Project schema Src - Source files Testing Component Description Problems Outcome Dialing PPP Authentication Remote Pass Gateway errors Access Transfer IP Forwarding Fail Data Collection Client Alert Notification Download with various sizes None Pass Download with various files Filenames with spaces Fail Event Matching None Pass Multiple recipients Modem Timeout Fail