RichMedia Mobile ECommerce Victor K Wei u Professor

Rich-Media Mobile E-Commerce Victor K. Wei u. Professor, Dep. Of Information Engineering and Center for The Advancement of E-Commerce, CUHK 6/11/2021 u. Chairman and Chief Scientist, China. Secure Technology Ltd.

From E-Commerce to Rich-Media Mobile E-Commerce: trends in ecommerce E-commerce on fixed-line Internet u mobile e-commerce u narrow-band simple multimedia mobile ecommerce u broadband rich-media mobile e-commerce u

3 Facets of Rich-Media Mobile ECommerce u Mobile systems u Multi-media u Security

Mobile Systems u Systems: GSM, CDMA, WAP, GPRS, 2. 5 G, 3 G u Transmission (by various distance): Infrared, Bluetooth, Home. RF, IEEE 802. 11, cordless, CT@/DECT, ISM band, PCS, large-cell mobile, GPS

Rich-Media Mobile E-Commerce: Security u 3 A (Authentication, Authorization, Administration Firewall, anti-hacking Anti-virus PKI (Public-Key Infrastructure)

Multi-Media coding technology u u Lossless compression: Lempel. Ziv, Huffman, arithmetic coding speech/audio coding: G 732. 1, IP phone, MP 3, AC 3 image/video coding: JPEG, JPEG 2000, wavelet, MPEG 1, 2, 4, H. 261 -263, Div. X -; ) multicasting, streaming, VOD

Specific Projects u u u E-voting e-cash micro-payment WAP e-auction live streaming of horse racing on PDA Div. X VOD with multicasting and optimization

More Specific Projects u u u Generating national elliptic curve building attack database for realtime cryptanalysis of GSM firewall NAT: IP sharing network monitoring/employee monitoring

Even More Specific Projects u u Physical separation of Internet and Intranet Content filtering smartcard technology: SIM, WIM, contactless, IC card, vending machine interface mobile certificate

E-Commerce Payment Systems u Debit system u Credit system u ATM system u novel hybrid systems