'Cdma2000 1x' diaporamas de présentation

Overview of 3G

Overview of 3G. Presented by Chirdchai Damchom. Outline. History of Mobile Radio. 1G. 2G. 3G. Evolution path. Outline. History of Mobile Radio. 1G. 2G. 3G. Evolution path. First Mobile Radio Telephone 1924. source: www.bell-labs.com/technology/wireless/earlyservice.html.

1.67k views • 82 slides

980 views • 68 slides

3G ?????? ?????????? ??? 13604302446

College of Communication Engineering. 3G ?????? ?????????? ??? 13604302446. Jilin University. ????. ????????????. ?? 3G ??????????? ?????????????? ???????????. ??? 3G ?????? ??? WCDMA ? CDMA2000 ???????????. ????. ?????????. ?????????. ??? 90 ??. ???. ??? 80 ??. ??.

703 views • 51 slides

Strategies of M-commerce

Strategies of M-commerce. Chia-Liang Hung 2004/03/27. Topics. Evolution of wireless technologies Key factors impacted the wireless diffusion Composition of wireless services Characteristics of m-commerce Lessons of i-mode Suggestions of m-commerce strategies.

432 views • 29 slides

Technology forecasting and planning

Technology forecasting and planning. Draft the technology roadmap & Invest strategically. Scanning before forecasting & planning. Strategic technology planning. Forecasting technology Analyze and diagnose the environment

625 views • 27 slides

3 rd Generation WCDMA / UMTS Wireless Network

485 views • 24 slides

Latest Developments in Technological Convergence in the IT Sector

Latest Developments in Technological Convergence in the IT Sector. Cynthia Chyn Deputy General Director Market Intelligence Center Institute for Information Industry The Separate Customs Territory of Taiwan, Penghu, Kinmen and Matsu. 28 March, 2007. email: chyn@micmail.iii.org.tw

331 views • 20 slides

A Study of Next Generation of Mobile Telecommunication

A Study of Next Generation of Mobile Telecommunication Name: Lee, Jungwon Prof.: Dr. Chang CS898t Mobile Communication Content History of Mobile Communication 2G Mobile (Comparison Between CDMA & GSM) 3th Generation Mobile Standards 4G Mobile 4G Vision and Scope

779 views • 19 slides

A Study of Next Generation of Mobile Telecommunication

A Study of Next Generation of Mobile Telecommunication. Name: Lee, Jungwon Prof.: Dr. Chang CS898t Mobile Communication. Content. History of Mobile Communication 2G Mobile (Comparison Between CDMA & GSM) 3th Generation Mobile Standards 4G Mobile 4G Vision and Scope.

568 views • 19 slides

Andmeside IRT 0030 loeng 8 26. okt. 2005

306 views • 15 slides

Andmeside IRT 0030 loeng 8 26. okt. 2005

154 views • 15 slides

Update from TR-45.5 on IMT Standardization

270 views • 13 slides

IMT-2000 and Beyond IMT-2000 in Korea

IMT-2000 and Beyond IMT-2000 in Korea. Contents. Current Status on IMT-2000 in Korea Beyond IMT-2000 activities in Korea Related TTA activities. Current Status on IMT-2000 in Korea. Reorganization of 3G Operators KT Freetel and KT iCOM Merged into KT Freetel : 2003. 3

273 views • 13 slides

The 3GPP2 Vision

The 3GPP2 Vision. Contents. Market Trends & Directions CDMA2000 Evolution Air Interface Capacity Improvements System Enhancements Optimizing Delivery of Advanced Services Services and Applications Roadmap 3GPP2 and India: Partners for Innovation. Market Trends & Directions.

201 views • 10 slides

TI Enables Beyond3G Cellular Infrastructure With New Products

196 views • 8 slides

???? ??? 2009 ? 8 ? 30 ? ???? ? 2 ? 1 ?? ??? 1G TF ?? ???? ?????

144 views • 1 slides