Joint Analysis of Antenna Mutual Coupling and RF Hardware Impairments in Millimeter-Wave Systems

Abstract

Millimeter-wave communication systems use antenna arrays to get high data rates and send signals in a specific direction. When the antennas are close together, they can affect each other a lot. Also, real radio-frequency parts have problems like phase noise, differences in signal strength, errors in direction, and problems with the amplifiers. These issues can make the quality of the signal worse. Make the communication not work as well, especially when there are a lot of antennas. This paper looks at both the antenna effects and the radio-frequency problems in millimeter-wave systems. A simulation setup is created to show how the antenna effects and the radio-frequency problems work together and how they affect the performance. The setup takes into account distances between antennas, how much they affect each other, and the different types of radio-frequency issues. The performance is checked using Bit Error Rate, Error Vector Magnitude, Signal-to-Interference-Plus-Noise Ratio, and how much data can be sent. A normal model that assumes ideal radio-frequency parts is compared with a model that includes real problems to see how much the performance drops because of real-life issues. The study shows how important it is to look at both the antennas and the radio-frequency parts when designing millimeter-wave communication systems. It can also help create ways to fix problems with the antennas and the radio-frequency parts.