Rich-Media Mobile E-Commerce

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Rich-Media Mobile E-Commerce

• Victor K. Wei
• Professor, Dep. Of Information Engineering and
  Center for The Advancement of E-Commerce, CUHK
• Chairman and Chief Scientist, ChinaSecure
  Technology Ltd.

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From E-Commerce to Rich-Media Mobile E-Commerce
trends in e-commerce

• E-commerce on fixed-line Internet
• mobile e-commerce
• narrow-band simple multimedia mobile e-commerce
• broadband rich-media mobile e-commerce

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3 Facets of Rich-Media Mobile E-Commerce

• Mobile systems
• Multi-media
• Security

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Mobile Systems

• Systems GSM, CDMA, WAP, GPRS, 2.5G, 3G
• Transmission (by various distance) Infrared,
  Bluetooth, HomeRF, IEEE802.11, cordless,
  CT_at_/DECT, ISM band, PCS, large-cell mobile, GPS

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Rich-Media Mobile E-Commerce Security

• 3A (Authentication, Authorization, Administration
  Firewall, anti-hackingAnti-virusPKI
  (Public-Key Infrastructure)

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Multi-Media coding technology

• Lossless compression Lempel-Ziv, Huffman,
  arithmetic coding
• speech/audio coding G732.1, IP phone, MP3, AC3
• image/video coding JPEG, JPEG2000, wavelet,
  MPEG-1,2,4, H.261-263, DivX -)
• multicasting, streaming, VOD

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Specific Projects

• E-voting
• e-cash
• micro-payment
• WAP e-auction
• live streaming of horse racing on PDA
• DivX VOD with multicasting and optimization

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More Specific Projects

• Generating national elliptic curve
• building attack database for real-time
  cryptanalysis of GSM
• firewall
• NAT IP sharing
• network monitoring/employee monitoring

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Even More Specific Projects

• Physical separation of Internet and Intranet
• Content filtering
• smartcard technology SIM, WIM, contactless, IC
  card, vending machine interface
• mobile certificate

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E-Commerce Payment Systems

• Debit system
• Credit system
• ATM system
• novel hybrid systems

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