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GSM - Evolution towards 3rd Generation Systems (Hardcover, 2002 ed.)
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GSM - Evolution towards 3rd Generation Systems (Hardcover, 2002 ed.)
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The GSM system is undoubtedly the most successful second-generation
digital mobile radio system. One of the key factors for this
exceptional performance is the constant evolution of the GSM system
and its derivatives. GSM: Evolution towards 3rd generation systems
addresses new concepts in the GSM system, dealing both with
standardized features as well as with theoretically and
technologically feasible improvements which contribute to
evolutionary changes in general. Ongoing efforts in GSM
standardization are focused on Phase 2+ with gradual additions for
a fast and modular evolution. Speech remains the prime service of
cellular systems, with ongoing work on spectral efficiency taking
into account the tradeoff between cost of the system and
transmission quality. Most of the notable results from novel speech
service implementations are addressed herein such as new EFR speech
codec and Advanced Speech Cell Items (ASCI). Data capability in
Phase 2+ has been covered under General Packet Radio Service (GPRS)
and High-Speed Circuit Switched Data (HCSD) work items. Initiatives
under CAMEL cover intelligent networking (IN) within the GSM
framework. Dual mode operation in GSM includes not only dual-band
solutions but also inter-networking with other systems like DECT or
satellite systems. Numerous specific wireless applications such as
inbuilding communications, WLL, etc., have also been developed
based on GSM. To support the required changes a number of issues
have to be solved in the radio part of the system. Deployment of
adaptive antenna arrays for enhanced quality, interference
suppression techniques and slow frequency hopping are among the
techniques presented in the GSM framework. Dynamicevolution of GSM
presents a platform for the introduction of UMTS. Presently,
efforts are directed towards the standardization of the UMTS air
interface in ETSI. Major trends in progress towards new radio
interfaces are outlined including contributions from pan-European
projects such as ATDMA, which was carried out under the RACE II
framework, and the ACTS project AC090 FRAMES. GSM: Evolution
towards 3rd generation systems comprises a collection of specially
written contributions from GSM specialists. The information
presented is essential reading for all researchers, engineers and
managers working on GSM and third generation wireless systems. This
book covers the most important advances in GSM that will have
lasting impact on the system influencing third generation wireless
systems.
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