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Technology Stocks : Qualcomm Moderated Thread - please read rules before posting -- Ignore unavailable to you. Want to Upgrade?

To: Eric L who wrote (5494)	12/15/2000 8:32:42 AM
From: samim anbarcioglu	Read Replies (1) \| Respond to of 197007

GPRS is NOT an air interface. I stand by what I said. Please read closely the link you offered Eric. I describes GPRS; its architecture, its protocols and its air interface.. Which is (I copy directly from your link); Air Interface -- Physical Layer Multiple Access and Radio Resource Management Principles On the physical layer, GSM uses a combination of FDMA and TDMA for multiple access. Now, I would have expected you to read your source through this point. GPRS is merely combining multiple timeslots of the (TDMA) air interface to allow a larger pipe for data connections. As of six weeks ago, a major supplier could that I personally have seen could only make it work around 20 Kb/sec while the mobile was moving at parking lot speeds, and it still drop calls. Best, I hope all is well. Sam A. V