Bluetooth 무선기술과응용및 무선통신시장의변화 2001. 5 서효중 HJSuh@neomicros.com http://www.neomicros.com
목차 Wire to Wireless Personal Area Network Runners-up Bluetooth Usage Models Evolutions & Revolutions Mobile Integration Conclusion 2
Wire to Wireless Wire & Wireless : Network Integration Wire Network leader : Computer - homogeneous Pros. : computing power Cons. : complexity of interconnects : Serial, Parallel, USB IBM, Intel, 3Com, MS, Toshiba, Motorola, Lucent Wireless Network leader : Mobile Phone - heterogeneous Pros. : Anytime anywhere Cons. : Tradeoffs of power, comprehensive, battery Etc. Ericsson, Nokia, Motorola Bluetooth Two groups are allied with different objective Computer group : Computer is hotspot of data network. Phone group : Everybody lives with phone. Low-cost : under 5$US Low-power : mobile, secondary battery Phone, PC, Embedded, mobile integration 3
PAN(Personal Area Network) Concept Wired Network Internet Mobile Communication Network 4
5 Runners-up up
Bluetooth - Topology 접속되지않은상태 Standby Slave Master 접속단계 Inquiry Page Piconet B Piconet A 접속상태 Active Master Slave Scatternet 저소비전력상태 Park Hold Sniff 6
Bluetooth - Qualification Product & Dox BQTF Test Reports BQB Decision Register to Qualified Product List Logo grant BQTF : Bluetooth Qualification Test Facility BQB : Bluetooth Qualification Body 7
Bluetooth - Spec Range 10m(100m with amplifier) Gross Bit Rate 1Mbps Max Data Rate Symmetric 432.6Kbps Max Data Rate Asymmetric 723.2Kbps/57.6Kbps Max Voice Channels per Link 3 Protocol Switched/Packet Combination Max Piconet Population 8 Radio Frequency 2.4GHz(unlicensed band) Sub-Frequencies 79 Frequency Hop Rate 1600 per second Standby By Mode Listen Rate Every 1.28 seconds Source:Merrill Lynch 8
Bluetooth - Cost $30 Mobile phone 30 BT-Enabled Mobile phone Mobile phone shipping (100Million) 10 8 6 4 2 Chip cost $20 Bluetooth Module cost $5 20 10 Chip & Module cost($) 2000 2001 2002 2003 2004 ( Source : Ericsson, Nokia, IDC, NEC, Etc.) 0 9
Usage Model (1) Internet Bridge Mobile browsing in the sofa, on the go, in the office, in the car 10
Usage Model (2) Instant Postcard Send instant postcards and videoclips 11
Usage Model (3) Ultimate Headset Keep your hands free 12
Usage Model (4) Briefcase Trick Laptop in briefcase E-mail alert through phone, browse E-mails in phone Phone off Answer mail on laptop and send mail from phone or laptop at arrival 13
Usage Model (5) Synchronizer Background synchronization PDAs Cellular phones Notebooks 14
Usage Model (6) Wireless Workspace Wirelessly connected computer peripherals 15
Usage Model (7) Conference Table Share and exchange data in the meeting room 16
Usage Model (8) Three in One Phone One phone three functions Intercom Cordless Cellular 17
Evolutions & Revolutions Evolutions Cable replacements of legacy devices : Computer Hands-free headset : Phone Revolutions Billing Personal data identification GPS (Geographical Positioning System) SPS (Service Positioning System) Emergency Personalized Information, Entertainment, Sales, & Advertisement 18
Mobile Integration (1) 무선통신기술의진화과정 Full : 음성통화, Limited : SMS Full : 음성통화, e-mail, Limited : 인터넷접속 Full : 음성통화, 인터넷접속 Limited : 동화상 Full : 음성, 인터넷, 동화상 9,6 kbps 14,4 kbps 57,6 kbps 171.2/384 kbps 2 Mbps GSM 1/2 GSM 2+ release 96 HSCS D GSM 2+ release 97 CDMA IS95B GPRS GSM 2+ release 98 IS95C IMT-2000 (W-CDMA/ CDMA2000)?? Mbps 1993 1998 1999 2000 2001 2002 2003 무선기술은초고속유선망과같은성능을제공하는방향으로급격히발전중임 소비자들이음성과데이터의통합전송수단으로무선통신을선택하고있는것은, 사용의용이성증대, 보안성확보, 차세대시스템의안정성과빠른속도에기인함 차세대무선통신시스템은편한사용자인터페이스를제공하며, 유선망수준의데이터서비스를제공할것이며, 유선망과보다용이하게통합될수있을것임. GSM : Global System for Mobile Service, HSCSD : High Speed Circuit Switched Data, GPRS : General Packet Radio Service, CDMA : Code Division Multiple Access 19
Mobile Integration (2) 무선통신및데이터서비스가입자추세 ( 미국 ) 무선데이터서비스의가입자당평균수익상승효과 ARPU : Average Revenue Per User 2005 년에는무선통신가입자의 62% 가데이터서비스를이용하게될것임 2005 년에데이터서비스는, 가입자 1 인당약 61% ( 월 29.6$ 에서 47.69$) 의평균수익상승효과를가져올것임 20
Mobile Integration - Billing Credit Card Model CP 사업자고객 광고사 e-channel Model Sponsorship Model BT Enabled Model Credit Card Model E- Channel Model Sponsor ship Model BT Enabled Model 무선통신사업자가제휴 CP 의 Content 사용료를고객에게직접청구하는모델. - 무선전화요금청구서는마치신용카드청구서와유사하며, 무선통신사업자의 billing system 은각 CP 들에게할당될사용료를배분기능을지원해야함. 고객이 contents 를이용한 CP 에게직접사용료를납부하는모델. - 무선통신사업자는제휴 CP 에게 WAP portal 을제공한대가를청구할수있으며, billing system 은이를반영할수있어야함 contents 를제공할때광고가같이제공되는경우의모델 - 무선통신사업자의 billing system 은광고주로부터광고료를청구하고, 이를해당 contents 의 CP 와배분할수있는기능을제공해야함 고객은유형 / 무형의 CP 에게직접사용료를납부하거나, 사업자에게할수있는 모델의융통성을제공함. 이로인해유형의실거래에응용이간단. - 무선통신사업자는고객과 CP 사이의관계에대한데이터베이스화및개인화된광고및정보등을제공할수있음. 21
Mobile Integration SPS 본사 Host Server ß 개별고객정보 Ethernet, DSL 등 가맹점 BT 가맹점고객관리 BT 22 - 능동적고객정보수집 - 간편, 안전한전자지불 - 양방향정보 - 능동적고객서비스 - 지역, 업소, 고객단위로차별화된전자쿠폰 / 정보 / 지불등무한한응용
23 Mobile Integration - Qualcomm
solution S/W Development Kit(SDK) & Stack USB/PCMCIA Dongle/Card H/W Development Kit(DK) CTI/Cordless Phone Wireless Headsets LAN Access Point Headphone MP3 player 24
Conclusion Wireless Digital networking Wireless LAN Homogeneous integration Bluetooth Heterogeneous integration with mobility 25
감사합니다. 2001. 5 서효중 HJSuh@neomicros.com http://www.neomicros.com