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The 3GPP and 3GPP2 movements toward an all-IP mobile network

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2 Author(s)
G. Patel ; Nortel Networks, USA ; S. Dennett

Today's wireless core network is based on a circuit-switched SS7 architecture similar to that found in wireline telecommunications networks. With the advent of IP technologies and the tremendous growth in data traffic, the wireless industry is evolving its core networks toward IP technology. Wireless telecommunications started as an offshoot of wireline telephony, and the absence of global standards resulted in regional standardization. Two major mobile telecommunications standards have dominated the global wireless market, namely, TDMA/CDMA developed by the TIA in North America and GSM developed by the ETSI in Europe. As we move toward third-generation wireless, there is a need to develop standards which are more global and collaborative. The global wireless industry has created two new global partnership projects, SGPP and 3GPP2, to address the issue of the limited data capabilities of 2G systems, motivating the partnership projects (PPs) to start work on 3G wideband radio technologies that can provide higher data rates. This work resulted in 3G wireless radio technologies that will provide data rates of 144 kb/s for vehicular, 384 kb/s for pedestrian, and 2 Mb/s for indoor environments, and meet the ITU IMT-2000 requirements. Now that the radio technology standards to support higher data rates have been developed, the PPs are focusing on development of standards for all-IP networks. We discuss the genesis of 3GPP and 3GPP2 IP work, outlining the important architectural differences of the two groups. Currently, 3GPP and 3GPP2 offer divergent proposals that need to be harmonized if convergence toward an IP-based mobile telecommunications networks is to become a reality

Published in:

IEEE Personal Communications  (Volume:7 ,  Issue: 4 )