Coherent TDOA/FDOA estimation method for frequency-hopping signal

@article{Hu2016CoherentTE,
  title={Coherent TDOA/FDOA estimation method for frequency-hopping signal},
  author={Dexiu Hu and Zhen Huang and Kaiqiang Liang and Shangyu Zhang},
  journal={2016 8th International Conference on Wireless Communications \& Signal Processing (WCSP)},
  year={2016},
  pages={1-5},
  url={https://api.semanticscholar.org/CorpusID:11993368}
}
A coherent accumulation method that normalizes the FDOA of every hopping pulse and then accumulates all these modified CAFs coherently can enlarge the accumulative time length and improveFDOA resolution and accuracy distinctly.
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12 References

Bi-iterative method for moving source localisation using TDOA and FDOA measurements

The bi-iterative method calculates the source location and velocity alternately, which significantly reduces the computational cost and the estimation accuracy is closer to the Cramer-Rao lower bound than that of other localisation methods.

Wideband TDOA/FDOA processing using summation of short-time CAF's

Three novel methods of recombining short-time CAFs are developed and analyzed and the last method improves the FDOA accuracy over the first two methods.

Evaluation of performance enhancement on CRLB of CAF under multiple emitters

A method of enhancing performance is described on the Cramer–Rao lower bound (CRLB) of time difference of arrival (TDOA) and frequency difference of arrival (FDOA) measurements under multiple…

Estimating Multiple Frequency-Hopping Signal Parameters via Sparse Linear Regression

A novel approach based on sparse linear regression (SLR) is developed, formulated as one of under-determined linear regression with a dual sparsity penalty, and its exact solution is obtained using the alternating direction method of multipliers (ADMoM).

Source Localization Using TDOA and FDOA Measurements in the Presence of Receiver Location Errors: Analysis and Solution

A solution is proposed that takes the receiver error into account to reduce the estimation error, and it is shown analytically, under some mild approximations, to achieve the CRLB accuracy for far-field sources.

Discrete time techniques for time delay estimation

It is shown that both the ASDF- and the AMDF-based estimators outperform the direct cross-correlation based estimator for medium-high signal-to-noise ratios.

Coherence and time delay estimation

A derivation of the ML estimator for time delay is presented together with an interpretation of that estimator as a special member of a class of generalized cross correlators that is found to be in good agreement.

Time delay estimation by generalized cross correlation methods

The problem of estimating time delay by cross correlation methods is reexamined for the whole class of stationary signals. Expressions are derived for the estimation mean square error (MSE) by the…

Time delay estimation based on bandpass sampling theorem and bisection searching

Theoretical analysis shows that the calculation burden of the new method is acceptable and simulation results indicate that the proposed method is effective and performs a higher estimation accuracy than conventional methods.

Achieving Asymptotic Efficient Performance for Squared Range and Squared Range Difference Localizations

This paper demonstrates that when range weighting factors are introduced to the squared measurements, the resulting solution will be able to reach the CRLB accuracy and the asymptotic efficiency of the proposed cost functions are proven theoretically and validated by simulations.