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1. (WO2017156426) NOISE AND INTERFERENCE ESTIMATION IN WIRELESS SYSTEMS USING MULTIPLE TRANSMISSION TIME INTERVALS
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Pub. No.: WO/2017/156426 International Application No.: PCT/US2017/021851
Publication Date: 14.09.2017 International Filing Date: 10.03.2017
IPC:
H04L 25/02 (2006.01) ,H04L 25/03 (2006.01) ,H04B 1/10 (2006.01) ,H04J 11/00 (2006.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
25
Baseband systems
02
Details
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
25
Baseband systems
02
Details
03
Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
B
TRANSMISSION
1
Details of transmission systems, not covered by a single one of groups H04B3/-H04B13/123; Details of transmission systems not characterised by the medium used for transmission
06
Receivers
10
Means associated with receiver for limiting or suppressing noise or interference
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
J
MULTIPLEX COMMUNICATION
11
Orthogonal multiplex systems
Applicants:
QUALCOMM INCORPORATED [US/US]; ATTN: International IP Administration 5775 Morehouse Drive San Diego, California 92121-1714, US
Inventors:
HOSSEINI, Seyedkianoush; US
CHEN, Wanshi; US
MONTOJO, Juan; US
PATEL, Shimman, Arvind; US
XU, Hao; US
Agent:
KRAFT, Aaron, J.; US
Priority Data:
15/441,09223.02.2017US
62/307,29311.03.2016US
Title (EN) NOISE AND INTERFERENCE ESTIMATION IN WIRELESS SYSTEMS USING MULTIPLE TRANSMISSION TIME INTERVALS
(FR) ESTIMATION DE BRUIT ET DE BROUILLAGE DANS DES SYSTÈMES SANS FIL AU MOYEN D'INTERVALLES DE TEMPS DE TRANSMISSION MULTIPLES
Abstract:
(EN) Noise and interference may be estimated at a user equipment (UE) in a system that may support transmissions having different transmission time intervals (TTIs). The UE may perform a channel estimation for a first set of transmissions having a first TTI based at least in part on an estimated interference from a second set of transmissions having a second TTI that is shorter than the first TTI. The UE may perform channel estimation for orthogonal frequency division multiplexing (OFDM) symbols of the first set of transmissions. The first set of transmissions may then be demodulated based at least in part on the channel estimation for the first set of transmissions. Noise and interference may also be estimated based on one or more null tones within one or more OFDM symbols of the allocated resources.
(FR) Selon l'invention, un bruit et un brouillage peuvent être estimés à un équipement d'utilisateur (UE) dans un système pouvant prendre en charge des transmissions ayant différents intervalles de temps de transmission (TTI). L'UE peut exécuter une estimation de canal pour un premier ensemble de transmissions ayant un premier TTI sur la base, au moins en partie, d'un brouillage estimé à partir d'un second ensemble de transmissions ayant un second TTI plus court que le premier TTI. L'UE peut exécuter une estimation de canal pour des symboles de multiplexage par répartition orthogonale de la fréquence (OFDM) du premier ensemble de transmissions. Le premier ensemble de transmissions peut ensuite être démodulé sur la base, au moins en partie, de l'estimation de canal pour le premier ensemble de transmissions. Le bruit et le brouillage peuvent également être estimés sur la base d'une ou de plusieurs tonalités nulles dans un ou plusieurs symboles OFDM des ressources attribuées.
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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, 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)