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Why is WCDMA called “Wideband”?

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Why is WCDMA called “Wideband”?

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3G WCDMA systems have 5MHz bandwidth (one direction). 5MHz is neither wide nor narrow; it is just the bandwidth. New 3G WCDMA systems have wider bandwidth than existing 2G cdma systems (cdmaOne 1.25MHz), that’s why the “Wide”. There are commercial cdma systems with 20MHz bandwidth.

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