BER Prediction of Distributed MISO Systems using Beamsteering with Phase Compensation in mmWave Channels

Abstract—This paper presents theoretical derivations for predictingthe bit error rate (BER) of distributed antenna systems(DAS) in 3GPP clustered delay line channels with partialblockage accounting for typical millimeter wave (mmWave)propagation conditions. Assuming that the receiver equalizer isnot updated during sudden blockage events, a statistical analysisis led to provide the probability density functions for receivedsymbols under such blockage conditions. Three beamformingtechniques—Maximum Ratio Transmission (MRT), beamsteering(BS), and a proposed combination of BS with phase compensation(PC)—are considered in line-of-sight scenarios. AnalyticalBER predictions of the proposed PC-BS are validated throughsimulations, offering insights for optimizing DAS in mmWaveenvironments. In particular, we conclude that PC-BS performsvery close to MRT while being much simpler to implement andmuch suited to mmWave electronics.