DVB-T localization parameter estimation and algorithm simulation

Songjian Bao; Shouliang Yang; Hanwen Ou; Jing Song

doi:10.1117/12.2656625

20 October 2022 DVB-T localization parameter estimation and algorithm simulation

Songjian Bao, Shouliang Yang, Hanwen Ou, Jing Song

Proceedings Volume 12451, 5th International Conference on Computer Information Science and Application Technology (CISAT 2022); 1245143 (2022) https://doi.org/10.1117/12.2656625
Event: 5th International Conference on Computer Information Science and Application Technology (CISAT 2022), 2022, Chongqing, China

Abstract

A DVB-T(Digital Video Broadcast-Terrestrial) signal location scheme is proposed combining TDOA location model and Fang algorithm in cellular wireless location technology.This positioning scheme directly uses the symbolic synchronization algorithm to measure the TOA/TDOA value, so there is no need to use other TOA estimation algorithm or TDOA cross-correlation estimation algorithm. Meanwhile, the synchronization algorithm better overcomes the adverse effects of multipath and NLOS. Therefore, NLOS error suppression algorithm and TOA/TDOA smoothing and reconstruction algorithm are no longer needed.Simulation results show that the positioning algorithm is affected by the ranging accuracy and cell radius, with higher the location accuracy.

Citation Download Citation

Songjian Bao, Shouliang Yang, Hanwen Ou, and Jing Song "DVB-T localization parameter estimation and algorithm simulation", Proc. SPIE 12451, 5th International Conference on Computer Information Science and Application Technology (CISAT 2022), 1245143 (20 October 2022); https://doi.org/10.1117/12.2656625

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KEYWORDS

Ranging

Reconstruction algorithms

Signal to noise ratio

Non-line-of-sight propagation

Computer simulations

Transmitters

Error analysis

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