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MIMO Radar Target Localization by Using Doppler Shift Measurements
Date
2009-10-02
Author
Kalkan, Yılmaz
Baykal, Buyurman
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https://hdl.handle.net/11511/87633
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MIMO Radar Target Localization by Using Doppler Shift Measurement
Kalkan, Yilmaz; Baykal, Buyurman (2009-10-02)
A new method for target localization in MIMO radar is proposed. Localization of a moving, non-maneuvering target is possible by using Doppler-shift measurements and angle information in MIMO radar systems. This is a nonlinear problem and it must be solved for a grid search strategy. If the received frequencies and the angels between the target and the transmitter and the target and the receiver are known, we can search space grid by grid for desired (x, y) coordinates to find the position of the target in 2...
MIMO radar beampattern design by using Phased-Costas waveforms with PAR constraints employing a generalized ambiguity function
Celik, Ozan Onur; Tuncer, Temel Engin (2023-04-30)
Multiple-input multiple-output (MIMO) radars have attracted interest due to some important advantages over Phased-array radars. The diversity that comes with multiple waveforms is used to maximize the power in the vicinity of targets and minimize the cross correlation of waveforms reflected from multiple targets for predefined angles. In this study, a novel approach is presented to overcome the limitations of current beamformer design techniques in terms of bandwidth, auto/cross (spatial) correlations, rang...
MIMO channels with limited rate feedback and RVQ
Yılmaz, Ali Özgür (2007-06-13)
The capacity increases promised by multi-input multi-output (MIMO) systems usually come with requirements in regard to channel knowledge. We study the capacity of a MIMO scheme with perfect channel state information (CSI) at the receiver side where the transmitter has only a quantized version of the CSI due to a limited rate feedback channel. Random vector quantization is investigated along with a reduced number of precoders. It is found out that capacity losses are quite tolerable even in the case of small...
MIMO Communication Systems Using Hierarchical Modulation
Ugur, Yigit; Yılmaz, Ali Özgür (2014-04-25)
This paper considers multiple-input multiple-output (MIMO) communication systems using hierarchical modulation. The disadvantage of the maximum-likelihood (ML) receiver is that the computational complexity increases exponentially with the number of transmit antennas and the number of bits per modulation symbol. Using MIMO communication system with 16-ary hierarchical quadrature amplitude modulation (16-HQAM), we propose a receiver structure which can be an alternative to maximum-likelihood (ML) receiver. 16...
MIPS Extension for a TCAM Based Parallel Architecture for Fast IP Lookup
Erdem, Oguzhan; Bazlamaçcı, Cüneyt Fehmi (2009-09-16)
This paper discusses the feasibility of the use of minimum independent prefix set (MIPS) algorithm in a ternary content addressable memory (TCAM) based parallel architecture proposed for high speed packet switching. MIPS algorithm is proposed earlier to transform a forwarding table into one that contains the minimum independent prefix set. In this paper we propose MIPS algorithm to be integrated into a TCAM based parallel IP lookup engine. We first analyze the table compression performance of the MIPS algor...
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Y. Kalkan and B. Baykal, “MIMO Radar Target Localization by Using Doppler Shift Measurements,” 2009, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/87633.