| Parameters | Definition | Attributes |
| | The th moving scatterer for the multiple bounces | Symbol | | The distance between and | Deterministic | , | The antenna element identifier of and , respectively | Deterministic | , | The number of antenna elements of and , respectively | Deterministic | , | The spacing between two adjacent antenna elements of and , respectively | Deterministic | , | The azimuth angle and elevation angle of ’s antenna array, respectively | Deterministic | , | The azimuth angle and elevation angle of ’s antenna array, respectively | Deterministic | , | The azimuth angle and elevation angle of AOD, respectively | Statistical | , | The azimuth angle and elevation angle of AOA, respectively | Statistical | , | The velocities of and , respectively | Deterministic | | The velocity of | Statistical | , | The azimuth angle and elevation angle of , respectively | Deterministic | , | The azimuth angle and elevation angle of , respectively | Deterministic | , | The azimuth angle and elevation angle of , respectively | Statistical |
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