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To: Clarksterh who wrote (29828)	5/11/1999 11:30:00 PM
From: quidditch	Read Replies (1) \| Respond to of 152472

Thanks, Clark. This being the case: <The primary reason for using TD in the 3g systems (including CDMA-2000) is to allow for more flexible frequency planning. For example, I had a customer whose country had one frequency block available. This ruled out all non-TD systems due to the fact that systems where the forward and reverse links are being transmitted simultaneously need to have the links separated by fairly large frequencies to avoid interfering with one another...,> is this to say that the TD element in W-CDMA is not what, supposedly, makes it the better 3G upgrade option for GSM carriers? I think that Walt had written in one of his posts that, in fact, CDMA2000 would be the most expedient upgrade path for GSM users, despite E's beating the W-CDMA drum for its GSM customers? Or to put the question conversely, what is it in (pure) CDMA2000 that E could propagandize is not inherently compatible on an upgrade path? Does Europe have frequency constraints, generally? Thanks. Best regards. Steven