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| 3G Standardization Process |
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| (IMT-2000) |
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| l | 1997, ITU called for RTT proposals. |
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| l | 1998, ITU received 10 proposals for 3G |
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| terrestrial-based
RTT, 6 satellite ones. |
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| l | 1999, 5 ITU-approved standards. |
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| l | Three emerged as extensions to 2G networks: |
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| W-CDMA,
TDMA-EDGE, cdma2000 |
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| l | ETSI/GSM
players (Nokia, Ericsson): W-CDMA. |
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| l | North American
CDMA community: cdma2000. |
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