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Technology Stocks : Qualcomm Moderated Thread - please read rules before posting

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Dec 23 3:59 PM EST

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To: Jim Mullens who wrote (39034)	1/30/2004 3:02:28 PM
From: pyslent	Read Replies (1) of 197017

GSM1x, “close to the cost of WCDMA”?????? How could that possibly be... "GSM1x takes full advantage of an operator's investment in its existing GSM-MAP network, maintaining all key features and services inherent in the system." Reusing GSM-MAP alone doesn't make GSM1X cheaper than wCDMA, it just makes it cheaper than a greenfield CDMA network. You may be unaware that wCDMA also uses an evolved GSM-MAP as it's CN, so there may not be significant cost-savings there. Again, I'm not sure we know the relative deployment costs between the 2 technologies. However, i think that it's telling that when Qualcomm first proposed GSM1X as an alternate route to 3G for GSM carriers, the advantages that they touted were that it uses existing spectrum and that it is ready now (implying wCDMA delays). They never said that it was cheaper, although not needing greenfield spectrum would eliminate about $100B in cost <g>. Here's some links on wCDMA architecture 1) See slide 6 here: 3gtoday.com 2) Or slide 27 here: dessr2m.adm-eu.uvsq.fr 3) From the ITU (http://www.itu.int/ITU-D/tech/imt-2000/moscow2002/pejanovic.pdf) UMTS R3 features UMTS R3 is composed of the UTRAN attached to two separate core network domains: ! Circuit switched domain based on enhanced GSM MSCs consists of the following network elements: " 2G/3G mobile-services switching center including the VLR functionality " HLR with AC (Authentication Center) functionality ! Packet switched domain built on enhanced GPRS support nodes consists of: " 2G/3G serving GPRS support node with subscriber location register(SGR) functionality " Gateway GPRS support node (GGSN)

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