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Definition in wireless communication, Evolved Packet Core (EPC) subcomponent which routes and forwards user data packets, while also acting as the mobility anchor for the user plane during inter-eNodeB handovers and as the anchor for mobility between LTE and other 3GPP technologies Reference "COM-EN, based on:Wikipedia > System Architecture Evolution. http://en.wikipedia.org/wiki/System_Architecture_Evolution [6.6.2013]"
Comment Its tasks include packet routing and transfer, mobility management (attach/detach and location management), logical link management, and authentication and charging functions. The location register of the SGSN stores location information (e.g., current cell, current VLR) and user profiles (e.g., IMSI, address(es) used in the packet data network) of all GPRS users registered with it.
Definition routeur adapté à GSM et/ou UMTS qui permet de gérer les communications sous forme depaquets Reference "Analyse des marchés pertinents - consultation publique sur l'analyse du marché de gros de la terminaison d'appel vocal sur les réseaux mobiles, ARCEP, avril 2004, http://www.arcep.fr/uploads/tx_gspublication/consult-16av04.pdf [26.9.2013]"