TY  - JOUR
T1  - A simplified model to evaluate the probability of error in DS-CDMA systems with adaptive antenna arrays.
JF  - IEEE Transactions on wireless communications
A1  - Spagnolini, U.
LA  - English
UL  - https://tuklas.up.edu.ph/Record/UP-99796217609638421
AB  - The multiaccess interference and the array gain have been modeled to evaluate the average probability of error in direct-sequence code-division multiple-access receivers with adaptive antenna arrays. The angular gain of the spatial filter (array beampattern) is modeled by a piece-line function that approximate the passband (or in-beam) with a fixed gain and the stopband (or out-beam) with an equivalent attenuation. The users are partitioned into in-beam/out-beam interferers and are counted differently for the evaluation of the probability of error. This simple way to account for the multiaccess interference can be exploited to evaluate the average probability of error when the users are randomly distributed within an angular sector. The analytical model can be employed to evaluate the average performance for two-dimensional RAKE and linear minimum mean square error multiuser detection receivers over frequency selective Rayleigh fading channels.
KW  - DS-CDMA system.
KW  - RAKE receiver.
KW  - Rayleigh fading channels.
KW  - Adaptive antenna arrays.
KW  - Array beam pattern.
KW  - Array gain.
KW  - Direct-sequence code division multiple access.
KW  - Error probability.
KW  - Linear minimum mean square error multiuser detection receivers.
KW  - Multiaccess interference.
KW  - Piece line function.
KW  - Spatial filter.
ER  -