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Hidetoshi YokotaKDDI R&D Lab.

WoWMoM2002:Panel Discussion

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What a cell phone can offer…

GPS cell phone a.k.a “GPS kei-tie”GPS cell phone a.k.a “GPS kei-tie”

KDDI KDDI NetworkNetwork

KDDI KDDI NetworkNetwork InternetInternetInternetInternet

Gateway ContentsServer

Location Server

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What a cell phone can offer…　(cont’d)

GPS cell phone can navigate you!

GPS cell phone can navigate you!

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A variety of applications

1.Communication 2.Game

3.Fortune-telling 4.Stand-by Pictures

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1. Communication

Agent

Data-communication middleware enables Data-communication middleware enables mobile agent, ORB(Object Request Broker) capabilitymobile agent, ORB(Object Request Broker) capability

Mobile AgentMobile Agent

Hello Steve!

Hello Steve!

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2. Game

SMS for ezplus is to continuously send/receiveSMS for ezplus is to continuously send/receivemessages in real-time among differentmessages in real-time among differentmobile equipment.mobile equipment.

P2P Packet Data Communication

P2P Packet Data Communication

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And others…

• Jingles and tunesJingles and tunes– Download from the netDownload from the net

• CameraCamera– PhotoPhoto– Short video recordingShort video recording

-> send them to your -> send them to your friends via e-mail friends via e-mail

• Gadgets?Gadgets?– Yes, but “must” Yes, but “must”

functions for functions for marketingmarketing

Camera

Camera

E-mailE-mail

WebWeb

GPSGPS

JavaJava

Movieplay

Movieplay

Karaoke

Karaoke

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Cellular vs. WLAN? Both? Neither?

• CellularCellular– Pros: nation wide, handy, a variety of Pros: nation wide, handy, a variety of

applications (GPS, etc.)applications (GPS, etc.)– Cons: slowCons: slow

• WLANWLAN– Pros: faster, lower costPros: faster, lower cost– Cons: needs a PC or PDA, smaller Cons: needs a PC or PDA, smaller

coveragecoverage• BothBoth can complement each other can complement each other

– Seamless roaming (Mobile IP?)Seamless roaming (Mobile IP?)– PC card with Cellular and WLAN (a PC card with Cellular and WLAN (a

future plan)future plan)

1x EV-DO(2.4Mbps) is coming out next

April

1x EV-DO(2.4Mbps) is coming out next

April