Designing (In) finite-alphabet Sequences via Shaping the Radar Ambiguity Function

Alaee-Kerahroodi, Mohammad; Sedighi, Saeid; MR, Bhavani Shankar; Ottersten, Björn

doi:10.1109/ICASSP.2019.8682216

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Designing (In) finite-alphabet Sequences via Shaping the Radar Ambiguity Function

Alaee-Kerahroodi, Mohammad; Sedighi, Saeid; MR, Bhavani Shankar et al.

2019 • In ICASSP 2019-2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)

Peer reviewed

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https://hdl.handle.net/10993/41166

DOI
10.1109/ICASSP.2019.8682216

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Abstract :

[en] In this paper, a new framework for designing the radar transmit waveform is established through shaping the radar Ambiguity Function (AF). Specifically, the AF of the phase coded waveforms are analyzed and it is shown that a continuous/discrete phase sequence with the desired AF can be obtained by solving an optimization problem promoting equality between the AF of the transmit sequence and the desired AF. An iterative algorithm based on Coordinate Descent (CD) method is introduced to deal with the resulting non-convex optimization problem. Numerical results illustrate the proposed algorithm make it possible to design sequences with remarkably high tolerance towards Doppler frequency shifts, which is of interest to the future generations of automotive radar sensors.

Disciplines :

Electrical & electronics engineering

Author, co-author :

Alaee-Kerahroodi, Mohammad ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)

Sedighi, Saeid ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)

MR, Bhavani Shankar

Ottersten, Björn

External co-authors :

Language :

English

Title :

Designing (In) finite-alphabet Sequences via Shaping the Radar Ambiguity Function

Publication date :

2019

Event name :

2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)

Event organizer :

IEEE

Event date :

2019

Main work title :

ICASSP 2019-2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)

Pages :

4295--4299

Peer reviewed :

Peer reviewed

FnR Project :

FNR11827256 - Adaptive Mmwave Radar Platform For Enhanced Situational Awareness : Design And Implementation, 2017 (01/12/2017-30/11/2020) - Bjorn Ottersten

Funders :

FNR - Fonds National de la Recherche [LU]

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since 03 December 2019

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