1. IPSI –Information Providing System for Individual Every individual can get information they want from anywhere, at anytime 20010221 Chulhyun Park 20010015 Hyun sun Ko

2. Contents  System Before & Now  Problems / Solutions  Detail  Scenario  Future Work

3. System change Generalize Already implemented!

4. Problems / Solutions  Spam information How can we handle spam information?  Classify all information into several classes  Authentication Some information should be secured  Leave it to application designers  Network overlapping RFID and 802.11 overlapping problem  Cost (Infrastructure / Information) Who will pay all the costs?  Vendors who wants to inform  Customers who wants to be informed

5. Detail – Flow chart RFID tag CPA: Customer Premises Equipment Access Point Database (or Network) 1 1 1 2 3 4

6. Detail – RFID packet format  ID : Identification # of data object  Data name : Name of data object  Class : Classification # of data object  Data size : Size of full information  Channel : Used for overlapping problem IDData NameClassData SizeChannel(Opt.)

7. Detail – CPE App. & VM  Should be able to show information list from different RFIDs  Should be able to send request to access point for more information about selected data  Should support virtual machine that can execute program offered by service providers  More details left for the later part of presentation

8. Detail – Data format  Should contain Identification number Name Full information about service, object, etc.  Not to be restricted

9. Scenario  Street  Museum  Shopping center  Theater  Advertisement

10. Future Work  Technical Problem Overlapping of access point RFID range variation  Economical evaluation of system Is the system worth paying to  service providers for deploying infrastructure and producing information?  customers for getting information from the system?  Interactive System Abuse of system (Ex : 알바생, 악플러 )