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Technology Stocks : Nokia Corp. (NOK)

NOK 6.290

+1.5%

3:59 PM EST

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To: waitwatchwander who wrote (2541)	10/8/2002 2:50:56 PM
From: Eric L	Read Replies (1) of 9255

Trevor << I was wondering if you have heard of any progress on the incorporation of GSM voice capability within GPRS. >> No. << I take it from my limited reading about GPRS that a GPRS channel has higher capacity than a similar sized GSM channel (3:1 comes to mind but I might be dreaming about that ratio). Is it feasible to incorporate voice onto GPRS and get more capacity from existing spectrum? Wouldn't this be similar to a wireless VOIP or a cdma (without concerns of power control) packet data installation? If that's the case, moving GSM voice to GPRS sounds like a smart stepping stone to UMTS technology for the Euro vendors. >> Perhaps the term EGPRS (sometimes used synonymously with EDGE) is throwing you off? Frequency reuse and frequency hopping currently being implemented in GSM networks to enhance capacity, do have some spread spectrum characteristics. << Is "GSM voice within a GPRS channel" the thrust of EDGE? >> Well, yes, sorta, or at least one of the thrusts. EDGE is kind of GPRS on new modulation steroids and offers (will offer) ~3x the capacity and/or speed of GPRS on the relatively near term (2003). Further out as networks evolve to All-IP, R5 EDGE will be capable of Rich Voice so in effect the capability to combine voice and data exists in standards and will start to be commercialized over the next few years. For a Euro or Asian or American carrier GSM/GPRS/EDGE (in 850 or 900/1800 or 1900 MHz) will combine in what Nokia terms an Open Interface Multiradio All-IP network with WCDMA and the HSDPA extension in 2.1 GHz or 1900 or eventually 1800 MHz. - Eric -

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