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To: gdichaz who wrote (33088)6/24/1999 12:15:00 PM
From: Mika Kukkanen  Read Replies (1) of 152472
 
Chaz: WCDMA Is independent of frequency, although it was developed with the ITU's wish to have all 3G systems in the 2GHz area. The only problem was the lack of foresight within the FCC that auctioned off PCS licenses in the 1.9GHz frequencies. So if the US was to follow the rest of the world you'd have to close down all the PCS operators. This is why cdma2000 was good for the cdmaOne operators as it could provide the 3G services within existing frequencies.

Also to provide 3G services you will need to have big enough blocks of spectrum. So the 800MHz operators with very little spectrum will have a hard time. A solution for the TDMA 800 Mhz based operators is EDGE lite to offer a couple of hundred kbps rather that the IMT-2000 stipulated 384 kbps.

Wasn't the TDD mode the one that Alcatel and Siemens were trying to push originally? Ideal for pico cell structure? Anyone shed light on that?

Mika
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