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4G: LTE/LTE-Advanced for Mobile Broadband by Johan Skold, Stefan Parkvall, Erik Dahlman

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Chapter 18

Performance

18.1 Performance Assessment

Computer simulation of mobile systems is a very powerful tool to assess the system performance. The “real-life” performance can, of course, be measured and evaluated in the field for an already deployed system and such values represent a valid example of performance for a certain system configuration. But there are several advantages with computer simulations:

• Evaluation can be made of system concepts that are not deployed or still under development.

• There is full control of the environment, including propagation parameters, traffic, system layout, etc., and full traceability of all parameters affecting the result.

• Well-controlled “experiments” comparing similar system concepts or parts of ...

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