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3GPP Announces New Specsdate: October 24, 2001 The 3rd Generation Partnership Project (3GPP) has announced several new specifications and plans that will considerably enhance mobile communications worldwide. These include the completion of specifications for location services on packet mode systems and for high speed download packet access, plus confirmation of plans for specifications that bring the full benefits of Internet capabilities to 3G systems. The completion of location services (LCS) specifications for packet mode systems, which include those based on the GPRS, provide the communications industry with the means of offering a wide range of location-based services to customers on all advanced mobile communications systems. These include GPRS systems, sometimes referred to as 2.5G systems, as well as circuit mode and packet mode 3G systems. LCS first appeared in the "Release 98" series of specifications for GSM, the 2nd Generation Global System for Mobile communications, produced by the European Telecommunications Standards Institute (ETSI). The corresponding 3GPP specifications for circuit mode were produced as part of the 3GPP "Release 99" series of specifications, completed in December 1999. The packet mode specifications have been created as a service enhancement to Release 99. High Speed Download Packet Access (HSDPA), as the name implies, brings high speed data delivery to 3G terminals, ensuring that users requiring effective multimedia capabilities benefit from data rates previously unavailable because of limitations in the radio access network (the link between the user's terminal and the base station). Using packet technology, HSDPA delivers dramatically increased data rates, meeting the needs of the most demanding multimedia users. The HSDPA specifications form part of the 3GPP "Release 5" specifications, scheduled for 1st Quarter 2002. Work on these specifications is already well advanced. The IP Multimedia System (IMS) will enable the 3G system being specified by 3GPP to both benefit from the use of IPs and, as a result, to offer users, operators and service providers the sorts of service capabilities that IP is designed to provide. These include access to Internet and multimedia content. IP offers a number of attractions over traditional telecommunications protocols: in addition to representing a bridge between the telecommunications and Internet worlds, it also offers a "seamlessness" of communication over many different types of networks. This facilitates a wide diversity of communications scenarios, including various combinations of fixed and mobile, wired and wireless networks, the specific characteristics of which are of no interest to customers. As a result, customers will experience extremely flexible telecommunications, irrespective of the various networks over which their calls may pass. IMS will use the emerging IP version 6 (IPv6), considered by many to be substantially superior to the current, widely-deployed version 4 (IPv4). The use of IMS in 3G systems will be optional, but is expected to be seen by operators as an attractive choice for enhancing 3G packet mode operation. The 3GPP partners have confirmed that the IMS specifications will be part of Release 5: as with HSDPA, the work is already well advanced, with the basic descriptions already complete and the detailed work on target for completion by 1st Quarter 2002.
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