Target Distance Direct Determination from QPSK Mapped OFDM Modified Radar Signal

Khachatur Tovmasyan

Target Distance Direct Determination from QPSK Mapped OFDM Modified Radar Signal

Khachatur Tovmasyan * §

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Target Distance Direct Determination from QPSK Mapped OFDM Modified Radar Signal

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Abstract

Time shift of the target reflected signal in radar system can be calculated directly from modified QPSK mapped OFDM signal. It makes possible to determine target distance from radar station. When time shift respecting to phase delay depends on OFDM subcarrier number, modified OFDM signal prevents that dependence and lets system to decide the phase delay directly from QPSK-OFDM signal rotation angle of constellation points. Additionally, proposed system requires low computing resources as the entire calculation process could be done during a single OFDM symbol.

References

6 Cites in Article

Reference Format

Henrik Schulze,Christian Lüders (2005). Theory and Applications of OFDM and CDMA.
Viktor Larsson,Liselott Ericson,Petter Krus (2009). Hardware-in-the-loop simulation of hybrid hydromechanical transmissions.
C Sturm,E Pancera,T Zwick,W (2009). A Novel Approach To OFDM Radar Processing.
C Yoke Leen Sit,T Sturm,Zwick Doppler Estimation in an OFDM Joint Radar and Communication System.
A Hakhoumian,Kh,E Tovmasyan,Gabrielyan (2014). Doppler Shift Extraction from QPSK Mapped OFDM Signal Constellation.
Leonard Joseph Cimini,Jr Howell,Bruce Mcnair,Holmdel (2005). Method for Estimating Time and Frequency Offset in an OFDM System.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Khachatur Tovmasyan, arsen. 2014. "Target Distance Direct Determination from QPSK Mapped OFDM Modified Radar Signal". Global Journal of Science Frontier Research - A: Physics & Space Science GJSFR-A Volume 14 (GJSFR Volume 14 Issue A5).

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GJSFR Volume 14 Issue A5

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Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

Keywords

Constellation OFDM QPSK RADAR signal processing target distance time shift

Classification

GJSFR-A Classification FOR Code: 249999p

Submission ReceivedJuly 21, 2014
Peer Review Double Blind
Handling Editor
Accepted August 18, 2014
Published August 31, 2014

Version of record

v1.2

Issue date

September 24, 2014

Language

English

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Article Matrices

Total Score: 145

Country: Armenia

Subject: Global Journal of Science Frontier Research

Authors: A. A. Hakhoumian (PhD/Dr. count: 0)

View Count (all-time): 298

Total Views (Real + Logic): 1888

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Publish Date: 2014 08, Sun

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Total Views: 1.9K

Total Downloads: 151

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