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## Adaptive design of OFDM radar signal with improved wideband ambiguity function (2010)

Venue: | IEEE Trans. Signal Process |

Citations: | 4 - 0 self |

### Citations

449 | Introduction to Radar Systems - Skolnik - 1980 |

246 |
Data Transmission by Frequency-Division Multiplexing Using the Discrete Fourier Transform
- Weinstein, Ebert
- 1971
(Show Context)
Citation Context ...rpretation of an urban scene [8], etc. One of the ways to accomplish simultaneous use of several subcarriers is the OFDM signaling scheme, which employs multiple orthogonal signals in the time domain =-=[9]-=-. Although OFDM has been elaborately studied and commercialized in the digital communication field [10], it has not so widely been studied by the radar community apart from a few recent efforts [11]–[... |

200 |
Probability and Information Theory, with Applications to Radar (New
- Woodward
- 1953
(Show Context)
Citation Context ...rsions of one or more of the figures in this correspondence are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/TSP.2009.2032456 function because of his popular work =-=[16]-=-, [17]. According to Woodward, an ambiguity function is defined as a two-dimensional correlation between the transmitted narrowband signal and its time-delayed (related to target range) and frequency-... |

140 |
Theorie et applications de la notion de signal analytique
- Ville
- 1948
(Show Context)
Citation Context ...gital communication field [10], it has not so widely been studied by the radar community apart from a few recent efforts [11]–[14]. The ambiguity function for radar was originally introduced by Ville =-=[15]-=-; however, it is generally referred to as Woodward’s ambiguity Manuscript received May 05, 2009; accepted August 23, 2009. First published September 18, 2009; current version published January 13, 201... |

46 |
The synthesis problem for radar ambiguity functions. MRC Tech. Summary Report 157
- Wilcox
- 1960
(Show Context)
Citation Context ...ing WAF best approximates the volume of a desired ambiguity profile. The problem of synthesizing a waveform to satisfy a desired ambiguity function has been addressed extensively over the years [14], =-=[30]-=-–[37]. Wilcox [30] and Sussman [31] approached this problem to approximate the desired ambiguity profile in the least-squared (LS) sense. Their optimization procedure stretches over the entire s pl... |

23 |
Least-squares synthesis of radar ambiguity functions
- Sussman
- 1962
(Show Context)
Citation Context ...e of a desired ambiguity profile. The problem of synthesizing a waveform to satisfy a desired ambiguity function has been addressed extensively over the years [14], [30]–[37]. Wilcox [30] and Sussman =-=[31]-=- approached this problem to approximate the desired ambiguity profile in the least-squared (LS) sense. Their optimization procedure stretches over the entire s plane, and hence the resultant wavefo... |

19 |
MIMO Radar Ambiguity Functions
- Antonio, Fuhrmann, et al.
- 2007
(Show Context)
Citation Context ...ometimes this expression is referred to as the output of an optimum detector filter matched to zero delay and zero Doppler [22], with only the term within the square bracket in (8) labeled as the WAF =-=[28]-=-. Alternatively, in some other literatures the WAF is defined as the magnitude or magnitude-squared of the term within the square bracket in (8) [29]. Now, incorporating the effects of the target resp... |

18 | On the design of optimum radar waveforms for clutter rejection - DeLong, Hofstetter - 1967 |

14 |
Matched-Filter Theory for High-Velocity, Accelerating Targets
- Kelly, Wishner
- 1965
(Show Context)
Citation Context ...RODUCTION In this correspondence, we consider a mutlifrequency radar that employs an orthogonal frequency division multiplexing (OFDM) signal [1], and we compute its wideband ambiguity function (WAF) =-=[2]-=-, [3] including the effects of the target response on the received signal. The motivation for employing multiple frequencies is that the different scattering centers of a target resonate differently a... |

14 | Rihazek, Principles of High Resolution Radar - W - 1969 |

11 |
Diversity waveform sets for delay-Doppler imaging
- Guey, Bell
- 1998
(Show Context)
Citation Context ...version. Several literature interpret the ambiguity function as a matched filter response [18, Ch. 4], [19, Ch. 11], [20, Ch. 5], whereas a few others as a two-dimensional point-spread function [21], =-=[22]-=-. But in general, these formulations of the ambiguity function either do not include a scattering coefficient of the target in the received signal model, or they assume identical values for the scatte... |

10 |
Multifrequency complementary phase-coded radar signal
- Levanon
- 2000
(Show Context)
Citation Context ...s also allows us to demonstrate the effects of target response on the WAF. Moreover, the use of a mutlicarrier OFDM signal improves the delay-resolution by a factor equal to the number of subcarriers =-=[4]-=-, [5, Ch. 11]. In addition, we propose an algorithm to design the spectrum of the transmitting OFDM signal adaptively in order to improve its ambiguity profile. A. Background The advantage of multicar... |

7 |
Digital Sound Broadcasting to Mobile Receivers
- Floch, Halbert-Lassalie, et al.
- 1989
(Show Context)
Citation Context ...rriers is the OFDM signaling scheme, which employs multiple orthogonal signals in the time domain [9]. Although OFDM has been elaborately studied and commercialized in the digital communication field =-=[10]-=-, it has not so widely been studied by the radar community apart from a few recent efforts [11]–[14]. The ambiguity function for radar was originally introduced by Ville [15]; however, it is generally... |

7 |
Genderen. “Doppler Tolerance of OFDM-coded Radar Signals
- Franken, Nikookar, et al.
- 2006
(Show Context)
Citation Context ...in [9]. Although OFDM has been elaborately studied and commercialized in the digital communication field [10], it has not so widely been studied by the radar community apart from a few recent efforts =-=[11]-=-–[14]. The ambiguity function for radar was originally introduced by Ville [15]; however, it is generally referred to as Woodward’s ambiguity Manuscript received May 05, 2009; accepted August 23, 2009... |

7 | Simulated imaging performance of UWB SAR based on OFDM - Garmatyuk - 2006 |

5 |
Principles of OFDM
- Pandharipande
- 2002
(Show Context)
Citation Context ...cattering, OFDM radar, wideband ambiguity function. I. INTRODUCTION In this correspondence, we consider a mutlifrequency radar that employs an orthogonal frequency division multiplexing (OFDM) signal =-=[1]-=-, and we compute its wideband ambiguity function (WAF) [2], [3] including the effects of the target response on the received signal. The motivation for employing multiple frequencies is that the diffe... |

5 |
Interpretation of an urban scene using multi-channel radar imagery
- Bryan
- 1975
(Show Context)
Citation Context ...of multicarrier radar signaling has been well established in various applications, such as remote sensing of clouds and precipitation [6], detection of landmines [7], interpretation of an urban scene =-=[8]-=-, etc. One of the ways to accomplish simultaneous use of several subcarriers is the OFDM signaling scheme, which employs multiple orthogonal signals in the time domain [9]. Although OFDM has been elab... |

5 |
Some invariance properties of the wide-band ambiguity function
- Altes
- 1973
(Show Context)
Citation Context ... work we follow the wideband ambiguity function (WAF) introduced by KelleyWishner [2] and Speiser [3]. Different properties of the WAF, similar to those of its narrowband counterpart, can be found in =-=[23]-=-–[26]. B. Outline In Section II we describe the parametric models of the transmitted and received signals; then we compute their WAF. We emphasize that the received signal and hence the corresponding ... |

5 |
Ambiguity function analysis of wideband radars
- Lush, Hudson
- 1991
(Show Context)
Citation Context ... we follow the wideband ambiguity function (WAF) introduced by KelleyWishner [2] and Speiser [3]. Different properties of the WAF, similar to those of its narrowband counterpart, can be found in [23]–=-=[26]-=-. B. Outline In Section II we describe the parametric models of the transmitted and received signals; then we compute their WAF. We emphasize that the received signal and hence the corresponding WAF a... |

5 | A 'Best' Mismatched Filter Response for Radar Clutter Discrimination - Stutt, Spafford - 1968 |

5 | Signals that can be calculated from their ambiguity function - Buda - 1970 |

4 | On a new extension of Wilcox’s method
- Gladkova, Chebanov
(Show Context)
Citation Context ... would be more or less suitable for any radar applications [31]. However, in many situations, it is not necessary to have a certain ambiguity shape for all values ofsand . Recently, Gladkova et al. =-=[36]-=-, [37] extended Wilcox’s LS approach, restricting the optimization procedure over some limited subregions in the s plane, particularly surrounding the mainlobe. In this work, we seek to find an OFD... |

3 |
The advanced multi-frequency radar (AMFR) for remote sensing of clouds and precipitation,” presented at
- Majurec, Sekelsky, et al.
(Show Context)
Citation Context ...der to improve its ambiguity profile. A. Background The advantage of multicarrier radar signaling has been well established in various applications, such as remote sensing of clouds and precipitation =-=[6]-=-, detection of landmines [7], interpretation of an urban scene [8], etc. One of the ways to accomplish simultaneous use of several subcarriers is the OFDM signaling scheme, which employs multiple orth... |

3 | Volume Properties for the Wideband Ambiguity Function - Sibul, Titlebaum - 1981 |

3 | On the synthesis problem for a waveform having a nearly ideal ambiguity surface
- Gladkova, Chebanov
- 2004
(Show Context)
Citation Context ...AF best approximates the volume of a desired ambiguity profile. The problem of synthesizing a waveform to satisfy a desired ambiguity function has been addressed extensively over the years [14], [30]–=-=[37]-=-. Wilcox [30] and Sussman [31] approached this problem to approximate the desired ambiguity profile in the least-squared (LS) sense. Their optimization procedure stretches over the entire s plane, ... |

2 |
Orthogonal frequency-division multiplexing radar signal design with optimised ambiguity function and low peak-to-average power ratio
- Sebt, Sheikhi, et al.
- 2009
(Show Context)
Citation Context ...]. Although OFDM has been elaborately studied and commercialized in the digital communication field [10], it has not so widely been studied by the radar community apart from a few recent efforts [11]–=-=[14]-=-. The ambiguity function for radar was originally introduced by Ville [15]; however, it is generally referred to as Woodward’s ambiguity Manuscript received May 05, 2009; accepted August 23, 2009. Fir... |

2 |
Radar ambiguity analysis,” Royal Radar Establishment, Ministry of Technology
- Woodward
- 1967
(Show Context)
Citation Context ... of one or more of the figures in this correspondence are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/TSP.2009.2032456 function because of his popular work [16], =-=[17]-=-. According to Woodward, an ambiguity function is defined as a two-dimensional correlation between the transmitted narrowband signal and its time-delayed (related to target range) and frequency-shifte... |

2 | Wideband ambiguity function of broadband signals - Lin - 1988 |

2 |
C.: ‘Standardization of the definition of the radar ambiguity function
- SINSKY, WANG
(Show Context)
Citation Context ...ithin the square bracket in (8) labeled as the WAF [28]. Alternatively, in some other literatures the WAF is defined as the magnitude or magnitude-squared of the term within the square bracket in (8) =-=[29]-=-. Now, incorporating the effects of the target response in the received signal, we redefine the WAF at the output of the matched filter as follows: ssss s ... |

1 |
Wide-band ambiguity functions (Corresp
- Speiser
- 1967
(Show Context)
Citation Context ...TION In this correspondence, we consider a mutlifrequency radar that employs an orthogonal frequency division multiplexing (OFDM) signal [1], and we compute its wideband ambiguity function (WAF) [2], =-=[3]-=- including the effects of the target response on the received signal. The motivation for employing multiple frequencies is that the different scattering centers of a target resonate differently at eac... |

1 |
A multi frequency radar for detecting landmines: Design aspects and electrical performance
- Genderen, Hakkaart, et al.
(Show Context)
Citation Context ... profile. A. Background The advantage of multicarrier radar signaling has been well established in various applications, such as remote sensing of clouds and precipitation [6], detection of landmines =-=[7]-=-, interpretation of an urban scene [8], etc. One of the ways to accomplish simultaneous use of several subcarriers is the OFDM signaling scheme, which employs multiple orthogonal signals in the time d... |

1 | Applications of orthogonal frequency-division multiplexing (OFDM) to radar - Stralka - 2008 |

1 | Time-frequency waveform synthesis using a least-squares approach - Arikan, Munson - 1990 |