An analytical framework for performance evaluation of downlink WCDMA/TDD mode

Throughput and spectral efficiency are two important metrics that are used in performance evaluation of 3G cellular systems. Wideband code division multiple access (WCDMA) has been adopted as an air interface technology for such systems. Usually, tedious and time consuming Monte Carlo simulations are needed to assess the performance of WCDMA in terms of throughput and spectral efficiency. In this letter, we present a simple analytical framework that can be used to evaluate the performance of downlink WCDMA operating in the time division duplex (TDD) mode without using computer simulations assuming lognormal shadowing and uniform cell loading. Numerical results are presented and show good agreement between both the proposed analytical framework and simulations.