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The massive multiple-input multiple-output (MIMO) has been proposed as one of the key technologies for the next generation wireless communication systems. Uniform planar array (UPA) antenna structures have been considered in many researches because it is able to deploy a large number of antennas in a relatively small area. There are lots of performance superiorities in massive MIMO systems. However,...
With the rapid growth of global mobile data transmission, the conventional multiple-input multiple-output (MIMO) systems are not able to accommodate the increasing data demand. The massive MIMO has been proposed as one of the key technologies for the next generation wireless communication systems. Compared to the conventional MIMO systems, massive MIMO systems are advantaged in energy and spectral...
This paper presents a new target tracking method. The presented method which named marginalized cubature Kalman filter is based on standard cubature Kalman filter and marginalized moment estimator. The marginalized moment estimator uses sigma-points sampling and Guass-Hermite integration to estimate the mean and covariance. The proposed algorithm which is called MCKF in short, uses marginalized moment...
This paper uses a new nonlinear Kalman filter algorithm in maneuvering target tracking. Marginalized KalmanFilter (MKF) algorithm expresses the system's nonlinear measurement equation as weighted sum of Hermite polynomials, then models the prior distribution of the weighted matrix as a Gaussian process. After that, calculates the weighted matrix's posteriori distribution and removes the influence...
Tracking of people via active badges is important for location-aware computing and for security applications. However, the human body has a major effect on the antenna gain pattern of the device that the person is wearing. In this paper, the gain pattern due to the effect of the human body is experimentally measured and represented by a first-order directional gain pattern model. A method is presented...
Mass property of space vehicle changes apparently during and after mating and cannot be predicted or measured at times, yet it needs to be accurately known for mated flight control or attitude control and momentum management. A discrete Kalman Filter (KF) based estimation method is developed, measurements of single point acceleration, angular velocity and angular acceleration are employed to extract...
Micro-core is one general module of satellite, and its function density is very high. A new idea and a new concept are adopted to design micro-core. Aiming at attitude determination system (ADS) of micro-core, this paper adopts an optimization design method to determine parameters of sensors. In aspect of selecting sensors of attitude determine system, the optimization method adopted in this paper...
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