TY - GEN
T1 - Investigating the effects of channel estimation errors in mmwave MIMO precoding systems
AU - Zeb, Arsalan
AU - Li, Feng
N1 - Publisher Copyright:
© 2019 IEEE.
PY - 2019/6
Y1 - 2019/6
N2 - Channel state information (CSI) can be obtained via various channel estimation techniques. However, in practical scenarios, it is always difficult to achieve perfect channel information due to the presence of channel estimation errors (CEE), quantization errors, and hardware mismatch problems, making it difficult to realize the desired system performance. To the best of our knowledge, this is the first report on the investigation of spectral efficiency of millimeter wave (mmWave) precoding system, considering the practical case of imperfect CSI. Gaussian random noise is exploited to realize the presence of CEE. Later on, its effect on the spectral efficiency of mmWave cellular system is investigated for different known variance of the errors. Simulation results from both perfect and imperfect CSI are compared and evaluated which shows the performance degradation of mmWave cellular system.
AB - Channel state information (CSI) can be obtained via various channel estimation techniques. However, in practical scenarios, it is always difficult to achieve perfect channel information due to the presence of channel estimation errors (CEE), quantization errors, and hardware mismatch problems, making it difficult to realize the desired system performance. To the best of our knowledge, this is the first report on the investigation of spectral efficiency of millimeter wave (mmWave) precoding system, considering the practical case of imperfect CSI. Gaussian random noise is exploited to realize the presence of CEE. Later on, its effect on the spectral efficiency of mmWave cellular system is investigated for different known variance of the errors. Simulation results from both perfect and imperfect CSI are compared and evaluated which shows the performance degradation of mmWave cellular system.
KW - Channel estimation errors
KW - Imperfect CSI
KW - Millimeter-wave (mmWave) communication
KW - MIMO precoding
UR - https://www.scopus.com/pages/publications/85076118626
U2 - 10.1109/ICCSN.2019.8905353
DO - 10.1109/ICCSN.2019.8905353
M3 - 会议稿件
AN - SCOPUS:85076118626
T3 - 2019 IEEE 11th International Conference on Communication Software and Networks, ICCSN 2019
SP - 332
EP - 336
BT - 2019 IEEE 11th International Conference on Communication Software and Networks, ICCSN 2019
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 11th IEEE International Conference on Communication Software and Networks, ICCSN 2019
Y2 - 12 June 2019 through 15 June 2019
ER -