WO2025213379 - METHODS, APPARATUSES, AND SYSTEMS FOR JOINT ACTIVE NODE SYNCHRONIZATION AND PASSIVE TARGET POSITIONING
National phase entry is expected:
Publication Number
WO/2025/213379
Publication Date
16.10.2025
International Application No.
PCT/CN2024/086949
International Filing Date
10.04.2024
Title **
[English]
METHODS, APPARATUSES, AND SYSTEMS FOR JOINT ACTIVE NODE SYNCHRONIZATION AND PASSIVE TARGET POSITIONING
[French]
PROCÉDÉS, APPAREILS ET SYSTÈMES DE SYNCHRONISATION DE NŒUD ACTIF CONJOINT ET DE POSITIONNEMENT DE CIBLE PASSIVE
Applicants **
HUAWEI TECHNOLOGIES CO., LTD.
Inventors
SHAHSAVARI, Shahram
BAYESTEH, Alireza
MA, Jianglei
TONG, Wen
Application details
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International Searching Authority |
CNIPA
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| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| Translation |
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 2477 | |
| EPO | Filing, Examination, Granting | 24741 | |
| Japan | Filing, Examination, Granting | 2927 | |
| South Korea | Filing, Examination, Granting | 3707 | |
| USA | Filing, Examination, Granting | 9340 |
Total:
43,192
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Abstract[English]
Methods, apparatuses and systems for synchronizing a target node with a source node and obtaining a position of a target are disclosed. The method comprises the steps of transmitting, to the target node, a first linear frequency modulated (LFM) signal, receiving, from the target node, a second LFM-based signal, obtaining a time of arrival (ToA), an angle of arrival (AoA), and the time offset from the second LFM-based signal, obtaining a first synchronization time offset from the ToA and the second LFM-based signal for synchronizing the target node with the source node, and obtaining the position of the target from the ToA, the AoA, a position of the source node, and a position of the target node. The method may also comprise transmitting, to the target node, a third LFM-based signal, the third LFM-based signal comprising the time offset from the second LFM-based signal.[French]
Sont divulgués des procédés, des appareils et des systèmes de synchronisation d'un nœud cible avec un nœud source et d'obtention d'une position d'une cible. Le procédé comprend les étapes consistant à transmettre, au nœud cible, un premier signal modulé en fréquence linéaire (LFM), à recevoir, en provenance du nœud cible, un second signal basé sur LFM, à obtenir un temps d'arrivée (ToA), un angle d'arrivée (AoA) et le décalage temporel par rapport au second signal basé sur LFM, à obtenir un premier décalage temporel de synchronisation à partir du ToA et du second signal basé sur LFM pour synchroniser le nœud cible avec le nœud source, et à obtenir la position de la cible à partir du ToA, de l'AoA, d'une position du nœud source et d'une position du nœud cible. Le procédé peut également consister à transmettre, au nœud cible, un troisième signal basé sur LFM, le troisième signal basé sur LFM comprenant le décalage temporel par rapport au deuxième signal basé sur LFM.