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Performance Boundary Measurement Method of Radar Communication Integrated System Based on Position Estimation Rate

A measurement method and system performance technology, applied in the field of radar, can solve problems such as performance boundaries that have not been studied

Active Publication Date: 2021-01-12
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

Measuring the performance bounds of a radar-communication integration system using position estimation rates has not been studied so far in published articles

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  • Performance Boundary Measurement Method of Radar Communication Integrated System Based on Position Estimation Rate
  • Performance Boundary Measurement Method of Radar Communication Integrated System Based on Position Estimation Rate
  • Performance Boundary Measurement Method of Radar Communication Integrated System Based on Position Estimation Rate

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Embodiment Construction

[0069] In order to facilitate those skilled in the art to understand the technical content of the present invention, the content of the present invention will be further explained below in conjunction with the accompanying drawings.

[0070] The present invention mainly adopts the method of simulation experiment to verify, and all steps and conclusions are verified correctly on Matlab2014. The present invention will be further described in detail with regard to specific embodiments below.

[0071] Step 1: Receive signal modeling:

[0072] The receiving window simultaneously receives the radar signal z r (t) and communication signal z c (t), the composite signal is z(t) as:

[0073] z(t)=z r (t)+z c (t) (1)

[0074] Define the eigenvector a(θ) of the antenna:

[0075] a(θ)=[1,e -j2πdcosθ / λ ,···,e -j2π(N-1)dcosθ / λ ] T (2)

[0076] where d is the antenna element spacing, λ is the plane wave wavelength, θ is the DOA, and the received radar signal z r (t) is given by: ...

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Abstract

The invention discloses a radar communication integrated system performance limit measurement method based on positioning estimation rate, which is applied in the field of radar technology. In view of the prior art, when measuring the performance limit of the radar communication integrated system, there is only target distance information and no angle information. problem, the present invention comprehensively considers the target distance information and angle information, first models the radar signal, communication signal and their composite signal received by the receiver, and then according to the radar and communication spectrum sharing method in the integrated radar communication system , the situation of spectrum sharing is divided into: traditional independent sub-bandwidth, communication independent sub-bandwidth and radar independent sub-bandwidth, and then use the positioning estimation rate and communication rate to characterize the performance of radar function and communication function, and finally use the positioning estimation rate and communication Theoretical derivation of the performance limit of the radar communication system integration system under different frequency band sharing methods is carried out, and the performance measurement of the radar communication system integration system is realized.

Description

technical field [0001] The invention belongs to the technical field of radar, and in particular relates to a performance limit measurement technology of a radar communication integrated system. Background technique [0002] Modern radar devices perform multiple functions such as target detection, device deployment and sharing acquired information with other devices. How to combine radar equipment with communication equipment to form a complete system and solve the problem of rational utilization of resources has become an increasing research topic in recent years. Combining radar equipment with communication equipment to form an integrated system, how to solve the problem of rational utilization of resources has become one of the research hotspots of experts at home and abroad. [0003] Radar and communication spectrum sharing is one of the key researches to solve the shortage of spectrum resources and improve spectrum utilization. This is a research topic of great practic...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S7/40H04W64/00
Inventor 杨晓波张天贤邓艳红田团伟刘辛雨孔令讲崔国龙
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA