sandratta
Mobile Member
สมัครเมื่อ: 16 Jul 2003
จังหวัด: กรุงเทพฯ
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หัวข้อ :
วันที่โพสท์ : 21 Jul 2003 11:27 |
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AUTHORIZED SUPPLIERS
CDMA UNIVERSITY
HISTORY OF CDMA
3G CDMA TECHNOLOGY
ENABLING THE INDUSTRY
ABOUT 1xEV-DO
TECHNOLOGY FAQ
TECHNOLOGY GLOSSARY
Code Division Multiple Access (CDMA) is a digital wireless technology that was pioneered and commercially developed by QUALCOMM.
CDMA works by converting speech into digital information, which is then transmitted as a radio signal over a wireless network. Using a unique code to distinguish each different call, CDMA enables many more people to share the airwaves at the same time - without static, cross-talk or interference.
Commercially introduced in 1995, CDMA quickly became one of the world's fastest-growing wireless technologies. In 1999, the International Telecommunications Union selected CDMA as the industry standard for new "third-generation" (3G) wireless systems. Many leading wireless carriers are now building or upgrading to 3G CDMA networks in order to provide more capacity for voice traffic, along with high-speed data capabilities.
Today, over 100 million consumers worldwide rely on CDMA for clear, reliable voice communications and leading-edge data services. |
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