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Technology Stocks : Qualcomm Incorporated (QCOM)
QCOM 173.43-0.8%Dec 29 3:59 PM EST

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To: engineer who wrote (20853)1/5/1999 11:21:00 PM
From: Clarksterh  Read Replies (1) of 152472
 
Engineer - . Thus you can get about 5.5 times as many users on a cell than if you just had one big omni-directional cell. Each sector would use the same frequency, but would use a differnt CDMA code.

Have they actually managed to get it that high? The numbers I've seen are a little above the system-wide frequency re-use numbers (0.65 x 6 = 4) - say 4.5. The two factors that effect it that I can think of are antenna performance (side lobes and back lobes etc.) and soft-handoff (although it needs to be remembered that soft-handoff is primarily a forward link impact, and since that link has more margin it isn't too big of a problem.). Are they routinely selling hardware now that can boost it by 5.5?

TIA

Clark
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