WO2022042511 - LOW POWER INDOOR FRAME FORMAT
National phase entry:
Publication Number
WO/2022/042511
Publication Date
03.03.2022
International Application No.
PCT/CN2021/114174
International Filing Date
24.08.2021
Title **
[English]
LOW POWER INDOOR FRAME FORMAT
[French]
FORMAT DE TRAME D'INTÉRIEUR À FAIBLE PUISSANCE
Applicants **
HUAWEI TECHNOLOGIES CO.,LTD.
Inventors
SUH, Jung Hoon
XIN, Yan
ABOUL-MAGD, Osama
Priority Data
63/069,556
24.08.2020
US
17/403,521
16.08.2021
US
Application details
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 1984 | |
| EPO | Filing, Examination, Granting | 13583 | |
| Japan | Filing, Examination, Granting | 2408 | |
| South Korea | Filing, Examination, Granting | 2649 | |
| USA | Filing, Examination, Granting | 5340 |
Total:
25,964
The term for entry into the National Phase has expired. This quotation is for informational purposes only
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Abstract[English]
Methods and apparatuses for encoding and decoding a physical layer (PHY) protocol data unit (PPDU) for low power indoor (LPI) wireless communication, which includes a preamble portion and a payload portion. The preamble portion includes a first universal signal field (U-SIG), the first U-SIG comprising information regarding a payload portion of the PPDU. The preamble portion further includes a second U-SIG, which contains identical information regarding the payload portion of the PPDU. The repetition of the U-SIG may improve robustness of the preamble portion detection and also enable auto-detection of the PPDU for LPI communication.[French]
L'invention concerne des procédés et des appareils de codage et de décodage d'une unité de données de protocole (PPDU) de couche physique (PHY) pour une communication sans fil d'intérieur à faible puissance (LPI), qui comprend une partie de préambule et une partie de charge utile. La partie de préambule comprend un premier champ de signal universel (U-SIG), le premier U-SIG comportant des informations concernant une partie de charge utile de la PPDU. La partie de préambule comprend en outre un second U-SIG, qui contient des informations identiques concernant la partie de charge utile de la PPDU. La répétition de l'U-SIG peut améliorer la robustesse de la détection de la partie de préambule et également permettre l'auto-détection de la PPDU en vue d'une communication LPI.