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1. (WO2019027495) ENHANCED MULTI-USER UPLINK POWER CONTROL DURING TXOP
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Pub. No.: WO/2019/027495 International Application No.: PCT/US2017/068924
Publication Date: 07.02.2019 International Filing Date: 29.12.2017
IPC:
H04W 52/24 (2009.01) ,H04W 52/42 (2009.01) ,H04W 52/14 (2009.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
W
WIRELESS COMMUNICATION NETWORKS
52
Power management, e.g. TPC [Transmission Power Control], power saving or power classes
04
TPC [Transmission power control]
18
TPC being performed according to specific parameters
24
using SIR [Signal to Interference Ratio] or other wireless path parameters
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
W
WIRELESS COMMUNICATION NETWORKS
52
Power management, e.g. TPC [Transmission Power Control], power saving or power classes
04
TPC [Transmission power control]
38
TPC being performed in particular situations
42
in systems with time, space, frequency or polarisation diversity
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
W
WIRELESS COMMUNICATION NETWORKS
52
Power management, e.g. TPC [Transmission Power Control], power saving or power classes
04
TPC [Transmission power control]
06
TPC algorithms
14
Separate analysis of uplink or downlink
Applicants:
INTEL CORPORATION [US/US]; 2200 Mission College Boulevard Santa Clara, California 95054-1549, US
Inventors:
AVITAL, Ziv; IL
MANSOUR, Avi; IL
MIN, Alexander W.; US
FANG, Juan; US
CARIOU, Laurent; US
BALAKRISHNAN, Ravikumar; US
Agent:
TRAVIS, John F.; US
Priority Data:
62/541,47804.08.2017US
Title (EN) ENHANCED MULTI-USER UPLINK POWER CONTROL DURING TXOP
(FR) COMMANDE DE PUISSANCE DE LIAISON MONTANTE MULTI-UTILISATEUR AMÉLIORÉE PENDANT UNE TXOP
Abstract:
(EN) In a multi-user wireless network (for example, a network conforming to wireless standard IEEE 802.11ax), an uplink power control module in an access point may determine Target RSSI and MCS parameters for each STA, transmit those values in a trigger frame, and wait for the solicited responses from the indicated STAs. Based on the RSSI measured in those responses from each STA, the AP may then place values into each Target RSSI, directing the STA to adjust its preceding transmit power up or down by a specified delta amount in the next uplink transmission. After a few passes, the transmitted power may settle down to a steady state value.
(FR) Dans un réseau sans fil multi-utilisateur (par exemple, un réseau conforme à la norme sans fil IEEE 802.11ax), un module de commande de puissance de liaison montante dans un point d'accès peut déterminer des paramètres de RSSI et de MCS cibles pour chaque STA, transmettre ces valeurs dans une trame de déclenchement, et attendre les réponses sollicitées à partir des STA indiquées. Sur la base du RSSI mesuré dans ces réponses à partir de chaque STA, l'AP peut ensuite placer des valeurs dans chaque RSSI cible, en dirigeant la STA afin d'ajuster sa puissance de transmission précédente vers le haut ou vers le bas par une quantité delta spécifiée dans la transmission de liaison montante suivante. Après quelques passages, la puissance transmise peut se stabiliser jusqu'à une valeur d'état stable.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)