I-mode Revolutionary Wireless Internet Technology Marc Lisevich Bryan Kwan Jay Hoang.

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Presentation transcript:

i-mode Revolutionary Wireless Internet Technology Marc Lisevich Bryan Kwan Jay Hoang

Overview Introduction to i-mode i-mode and mobile technology today i-mode Development iHTML i-mode’s Business Model Future of i-mode

What is i-mode? Service across a wireless network which enables handheld devices (such as cell phones) to access the Internet Mobile internet service offered by NTT DoCoMo Introduced in February 1999 Extremely popular in Japan and expanding into Europe As of March 31 st, 2002, there are approximately 32,150,000 subscribers (in Japan) Quick Note: Invented by Mari Matsunaga

What Can I do With i-mode? Web-browsing (the “killer app”) Chat, Games Access to information Transaction Content Money Transfer, Balance Check, Ticket Reservation… Information Content News updates, sports news, stock quotes… Database Content Restaurant Guide, Telephone Directory…

A Look at an i-mode Device Currently an i-mode device is an equivalent of a very low-end computer Additional buttons : directional, select and the i button. Must have an iHTML browser. Menu based interface (i-Menu) Try typing in a URL => It’s not easy!

i-mode Transmission System Packet - switching network – information divided into packets when sent and reassembled when received by the i-mode user => faster. i-mode users pay by volume of data downloaded. Code Division Multiple Access – method for allocating wireless channel (9.6kbps)

i-mode vs WAP i-mode – packet switching network Handset contains IP stack Communicates directly using iHTML web sites, through DoCoMo’s relay centers WAP – protocol originally implemented on a circuit switched network Can be packet switched e.g. GPRS Requires gateway if required to communicate using TCP/IP Can WAP support streaming video? Both i-mode and WAP will be supporting XHTML Comparing WAP and imode is not straightforward!

I-mode's security concerns/solutions Concern: prank/redirected calls Use SSL since version 3.0 since the medium is the internet and iHTML Java is more secure and only delegates resources to "trusted" servers Has partnered with major corporations including some Japanese and some in America and Europe As of version 3.0, i-mode has 128-bit encryption

Development The i-mode handset (Java enabled) use the KVM. Sun has ported the J2ME to i-mode. All Java Network operations in done via HTTP Other companies are porting applications for development including Macromedia, WapProfit, SEGA... It may even be possible to make your own movies that will be playable with 3G and 4G networks through FOMA

iHTML Originally named cHTML (compact). No jpegs, tables, image maps, frames, style sheets, cookies, fonts Handles GIFs, MIDI, and Java (iAppli)

NTT DoCoMo iHTML example DoCoMo Net NTT DoCoMo

Billing Basic plan: Packet plan – 200¥/month i-mode plan – 100¥/month Optional FOMA (3G) – 100¥/month 400 packets free each month (doesn’t include voice) 0.27¥ per packet Typical day, 1) access main menu = 3¥. 2) what’s new = free 3) check the news = 28¥. 4) mobile banking = 100¥ 5) order food from restaurant = 40¥ 6) send and receive mail = 50¥ Add it all up, (221¥) x 30 days + 300¥ monthly charge = 6930¥ = $70 US. Does not include talk time.

Future of i-mode Currently, transfer rate is 9600 kbps. 3G which is released next year, (new version of i-mode), transfer rate 2 Mbps with streaming video and audio 4G (released in 2006), transfer rate is 20 MBps

i-mode Interactive Demo Links i-mode iHTML Emulator