Practical 3-D beam pattern based channel modeling for multi-polarized massive MIMO systems

• In this paper, a practical non-stationary three-dimensional (3-D) channel models for massive multiple-input multiple-output (MIMO) systems, considering beam patterns for different antenna elements, is proposed. The beam patterns using dipole antenna elements with different phase excitation toward the different direction of travels (DoTs) contributes various correlation weights for rays related towards/from the cluster, thus providing different elevation angle of arrivals (EAoAs) and elevation angle of departures (EAoDs) for each antenna element. These include the movements of the user that makes our channel to be a non-stationary model of clusters at the receiver (RX) on both the time and array axes. In addition, their impacts on 3-D massive MIMO channels are investigated via statistical properties including received spatial correlation. Additionally, the impact of elevation/azimuth angles of arrival on received spatial correlation is discussed. Furthermore, experimental validation of the proposed 3-D channel models on azimuth and elevation angles of the polarized antenna are specifically evaluated and compared through simulations. The proposed 3-D generic models are verified using relevant measurement data.

Ämnesord

TEKNIK OCH TEKNOLOGIER  -- Elektroteknik och elektronik (hsv//swe)

ENGINEERING AND TECHNOLOGY  -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)

Nyckelord

3-D massive MIMO channel modeling

Antenna elements space

Azimuth angle of arrival

Azimuth angle of departure

Elevation angle of arrival

Elevation angle of departure

Communication channels (information theory)

Dipole antennas

Direction of arrival

MIMO systems

Radar systems

Radio communication

Antenna element

Azimuth and elevation angles

Azimuth angles

Elevation angle

Experimental validations

Massive MIMO

Massive multiple-input- multiple-output system (MIMO)

Threedimensional (3-d)

Directional patterns (antenna)

Publikations- och innehållstyp

ref (ämneskategori)

art (ämneskategori)