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Joint optimization method for cooperative MIMO radar and communication integrated system

A technology of joint optimization and communication system, applied in the field of radar, can solve problems such as radar performance deterioration, and achieve the effect of optimizing antenna selection, estimating optimal performance, and optimizing layout

Pending Publication Date: 2022-06-28
YANGTZE DELTA REGION INST (QUZHOU) UNIV OF ELECTRONIC SCI & TECH OF CHINA
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Problems solved by technology

However, due to the hardware first, the radar receiver in the integrated system can only process a limited number of transmitted signals, which will make the radar's performance in estimating target parameters worse
In this regard, it is very necessary to adjust the resources of the cooperative integrated system to improve the performance of target parameter estimation, but there is no related work so far

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  • Joint optimization method for cooperative MIMO radar and communication integrated system
  • Joint optimization method for cooperative MIMO radar and communication integrated system
  • Joint optimization method for cooperative MIMO radar and communication integrated system

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Embodiment 1

[0059] () T For transpose, () H For the conjugate transpose, diag{·} represents the diagonal matrix, which means to find the trace of the matrix, det(·) represents the determinant of the matrix, (·) -1 represents the matrix inversion, means to take the real part of a complex number, represents the Kronecker product, ⊙ represents the Hadamard product, ( ) * represents the complex conjugate, e n is an N×1 column vector, where the nth element is 1 and the other elements are 0.

[0060] Consider a cooperative MIMO radar and MIMO communication integrated system, where the radar system has M R a single antenna transmitter, the communication system has M C and transmitter. mth from the radar system R ,m R =1,...,M R The mth transmit antenna and the mth of the communication system C ,m C =1,...,M C The baseband signals transmitted by the transmit antennas are and where T s is the sampling interval, k(k=1,...,K) is the sampling sequence number, For the energy emit...

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Abstract

The invention discloses a joint optimization method for a cooperative MIMO radar and a communication integrated system, relates to the technical field of radars, and solves the problem that a radar receiver in the integrated system can only process limited paths of transmitting signals, so that the performance of target parameter estimation by the radar becomes poor. The method comprises the steps of selecting a given transmitting antenna and the position of a receiver, calculating the parameter estimation performance of a system, and solving a group of combined transmitting station selection and receiving station arrangement modes which enable the estimation performance to be optimal by establishing a J-TSRP optimization problem of combined transmitting station selection and receiving station arrangement. According to the invention, the antenna selection is optimized, the arrangement of the receiving station is also optimized, and the performance of the combined MIMO communication integrated system and the MIMO radar system is exerted.

Description

technical field [0001] The invention relates to the technical field of radar, in particular to a joint optimization method of a cooperative MIMO radar and a communication integrated system. Background technique [0002] Distributed Multiple Input Multiple Out (MIMO) radar can improve the performance of parameter estimation (A. M. Haimovich, R.S. Blum and L.J. Cimini, "MIMO Radar with WidelySeparated Antennas," in IEEE Signal Processing Magazine, vol. 25, no .1, pp.116-129), the integrated system of cooperative MIMO radar and MIMO communication is a very popular research direction in recent years (Q.He, Z.Wang, J.Hu and R.S.Blum, "Performance Gains From Cooperative MIMO Radar and MIMO Communication Systems, "in IEEE Signal Processing Letters, vol. 26, no. 1, pp. 194-198,). However, due to the hardware first, the radar receiver in the integrated system can only process the transmitted signals in limited channels, which will make the performance of the radar's target parameter...

Claims

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Application Information

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IPC IPC(8): H04B7/0413H04B17/391H04W64/00G01S7/292G01S7/295
CPCH04B7/0413H04B17/391H04W64/00G01S7/292G01S7/295Y02D30/70
Inventor 王黎明何茜
Owner YANGTZE DELTA REGION INST (QUZHOU) UNIV OF ELECTRONIC SCI & TECH OF CHINA
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