By Chris Braithwaite
UMTS is the instant community know-how at the back of the rollout of 3rd iteration (3G) cellular telecoms networks so as to carry video, track and net providers to the phone and quite a number digital products.
Chris Braithwaite and Mike Scott use their wide event of educating engineers throughout Europe, and their backgrounds in operating with Nokia, Ericsson and Orange to carry a uniquely functional consultant written from the viewpoint of the engineer and community planner. This advisor is a precious addition to the literature on UMTS which up to now has been ruled through theoretical and reference works. The authors examine all of the key issues of UMTS/WCDMA and 3G rollout when it comes to assurance, potential and caliber of Service-the key issues for all engineers and executives operating in 3G telecoms.
*A real-world layout consultant with cookbook-style directions and ideas of thumb, no longer one other R&D-level e-book or crib to the standards.
*Covers the recent engineering concerns in UMTS making plans, layout and implementation.
*UMTS is the ordinary evolutionary selection for operations of GSM networks, presently representing a client base of greater than 747 million finish clients in over one hundred eighty nations and representing over 70% of ultra-modern electronic instant market[source: GSM organization]
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Extra resources for UMTS Network Planning and Development: Design and Implementation of the 3G CDMA Infrastructure
These can be purchased as and when required, giving the operator more flexibility depending, for example, on which aspects of planning must be performed in-house. The more third party services used the fewer modules that need to be purchased. To summarize, it is important to be aware of the three stages, namely preparation, estimation of number of cells, and finally the management of the network plan, which are required to ensure correct procedures can be developed, thus enabling the maximum coverage and capacity to be achieved for the proposed network.
For high mobility, it is expected that 144 kbps should be possible for outdoor mobile use. This data rate should be possible when the 3G user is travelling at speeds greater than 120 km/h in outdoor environments. For full mobility, it is expected that data rates up to 384 kbps could be attained for pedestrian users and those travelling at speeds less than 120 km/h in urban outdoor environments. Finally, for limited mobility, at speeds of less than 10 km/h in indoor and outdoor environments, data speeds of 2 Mbps will be possible.
This is due to the variety of high data rate services that will be available over a wide bandwidth. These services include facilities such as video-to-video and data exchange which will require high levels of QoS, thus ensuring that adequate transmission and reception can be attained. Therefore as with capacity and coverage, QoS is another important issue to be carefully considered within a UMTS system, due to the nature of the services and end user requirements. There are different levels of QoS, which enable a wide range of applications to be supported.
UMTS Network Planning and Development: Design and Implementation of the 3G CDMA Infrastructure by Chris Braithwaite