1. 22 October, 2007, Tokyo Hitomi Murakami, Ph. D Professor, Seikei University MOMO Tokyo Meeting The Impact of Mobile Broadband

2. 2 1.Transition of Mobile Phone Subscriber 2.Transition of data speed and cost 3.Change of ARPU 4.Flat Rate Service 5.Expansion of Mobile Contents Market 6.Applications: Location Services and Remote Medicine ７． The Impact of Mobile Broadband 8. Concluding Remarks

3. 3 Telephone Network Subscribers （ Millions ） 62.64 62.85 62.63 62.23 61.96 61.33 6077 60..22 59.61 58.08 26.91 38.26 47.31 56.85 66.78 74.82 81.12 86.65 91.47 96.48 5.28 8.31 11.46 0 20 40 60 80 100 １９ ９７ １９ ９８ ２０ ００ ２０ ０１ ２０ ０２ ２０ ０３ ２０ ０４ ２０ ０５ ２０ ０６ Mobile IP Phone １９ ９９ （ Year ） Fixed-Line Trend of Japan’s Telecommunications

4. 4 199920002001200220052003200420102020 cdmaOne (14.4kbps) cdmaOne (64kbps) GPRS (115.2kbps) CDMA2000 1x (15kbps) W-CDMA (384kbps) HSDPA (10Mbps) HSCSD (57.6kbps) GSM W-CDMA HSDPA (30Mbps?) 5th Generation (1Gbps) EDGE (384kbps) 4th Generation (100Mbps) Cdma2000 HSCSD: High Speed Circuit Switched Data GPRS: General Packet Radio Service EDGE: Enhanced Data rates for GSM Evolution HSDPA: High Speed Data / Downlink Packet Access 1xEV-DO: 1x Evolution-Data Only 1xEV-DV: 1x Evolution-Data & Voice CDMA2000 1x EV-DO(2.4Mbps) 100 1,000 10,000 100,000 Speed Cost （ Fee/Speed ） Transition of data speed and cost year 2006 HSDPA (3.6Mbps) CDMA2000 1x EV-DO(3.1Mbps) 100Mbps 100kbps 10Mbps 1Mbps

5. 5 ■ All in one mobile handset will provide various useful features in life. Music Player, Camera Office Documents All in one Magazines, Books TV / Radio Each device function will be assembled inside. GPS navigation Wallet, Credit card, keys, Tags, etc. Mobile handset as personal gateway device

6. Expansion of mobile contents market game “Chaku Mero” (Melodies as ring tone) “Chaku Uta” (songs as ring tone) Others Shopping Transaction Contents 383 Billion yen 519 Billion yen 213 Billion yen 179 Billion yen 108 Billion yen 287 Billion yen 170 Billion yen 722Billion yen 928 Billion yen Digital Contents Mobile Commerce 562Billion yen 366 Billion yen (Billion Yen) 260 Billion yen 259 Billion yen 315 Billion yen 407 Billion yen

7. ６. The Impact of Mobile Broadband ー Picture quality improvement 15 frame -  30 frame QVGA(320x249) －＞ VGA(640x480) －＞ HDTV ー New service ！ ー Battery ？

8. 8 Concluding Remarks 1. Is it possible to keep existing secure environment for mobile phone ? 2. How can we realize mobile BB for mobile Phone? WiMax? or 4G? 3. What is the expected content for mobile BB? E-commerce ?, GPS ?, Remote Medicine ?