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1. (WO2018086707) FEEDBACK BASED FLEXIBLE TRANSMISSION SCHEME FOR CONTENTION-BASED URLLC TRANSMISSION
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Pub. No.: WO/2018/086707 International Application No.: PCT/EP2016/077478
Publication Date: 17.05.2018 International Filing Date: 11.11.2016
IPC:
H04L 1/18 (2006.01) ,H04L 1/06 (2006.01) ,H04L 1/00 (2006.01) ,H04L 1/08 (2006.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
1
Arrangements for detecting or preventing errors in the information received
12
by using return channel
16
in which the return channel carries supervisory signals, e.g. repetition request signals
18
Automatic repetition systems, e.g. van Duuren system
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
1
Arrangements for detecting or preventing errors in the information received
02
by diversity reception
06
using space diversity
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
1
Arrangements for detecting or preventing errors in the information received
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
1
Arrangements for detecting or preventing errors in the information received
08
by repeating transmission, e.g. Verdan system
Applicants:
NOKIA TECHNOLOGIES OY [FI/FI]; Karaportti 3 02610 Espoo, FI
Inventors:
LI, Zexian; FI
SINGH, Bikramjit; FI
UUSITALO, Mikko Aleksi; FI
Priority Data:
Title (EN) FEEDBACK BASED FLEXIBLE TRANSMISSION SCHEME FOR CONTENTION-BASED URLLC TRANSMISSION
(FR) SYSTÈME DE TRANSMISSION FLEXIBLE BASÉ SUR LA RÉTROACTION DESTINÉ À LA TRANSMISSION URLLC BASÉE SUR UNE CONTENTION
Abstract:
(EN) A flexible transmission scheme for contention-based transmission. A UE is configured to perform an initial transmission of a data packet over a network, and await an ACK indicating successful transmission of the data packet. If the ACK is not received, the UE determines that the initial transmission has failed and then transmits a plurality of data packets during a re-transmission attempt. The plurality of data packets are transmitted without waiting for an ACK between the transmission of each data packet. This transmission scheme enables the UE to achieve relevant reliability requirements whilst minimising transmission latency.
(FR) La présente invention concerne un système de transmission flexible destiné à la transmission basée sur une contention. Un UE est configuré afin de réaliser une transmission initiale d'un paquet de données sur un réseau, et afin d'attendre un ACK indiquant une transmission réussie du paquet de données. Si l'ACK n'est pas reçu, l'UE détermine que la transmission initiale a échoué et transmet ensuite une pluralité de paquets de données pendant une tentative de retransmission. La pluralité de paquets de données sont transmis sans attendre un ACK entre la transmission de chaque paquet de données. Ce système de transmission permet à l'UE d'obtenir des exigences de fiabilité pertinentes tout en réduisant au minimum la latence de transmission.
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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, 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)