An indoor IS-2000 transmit diversity evaluation using propagation measurements

Several transmit diversity schemes have been proposed to improve the forward link performance of next generation IS-2000 CDMA systems. These techniques are expected to perform particularly well in indoor environments. A simulation that processes propagation measurements is used to illustrate how indoor transmit diversity performance varies with base station configuration. Dynamic impulse response measurements are collected using IS-95 base station pilot signals. These measurements characterize the forward channel in an indoor office environment for three base station configurations. The propagation data is processed in a simulation to evaluate the performance of space time spreading, time delay transmit diversity, phase sweep transmit diversity and orthogonal transmit diversity for the different base station configurations