Title:
HANDLING TRANSPORT BLOCK-LEVEL PARITY CHECK BITS FOR INTERRUPTED TRANSMISSIONS
Document Type and Number:
WIPO Patent Application WO/2020/227125
Kind Code:
A3
Abstract:
Methods, systems, and devices for wireless communications are described. In some systems, a base station may interrupt a user equipment (UE) during transport block (TB) encoding. The UE may cancel transmission (e.g., suppress processing) of a TB based on the interruption, such that a first subset of code blocks is encoded and a second subset is unencoded. In some cases, the UE may receive a re-transmission request for a code block including cyclic redundancy check (CRC) bits for the TB, where the CRC bits are not prepared. In one example, the UE may modify the CRC bits (e.g., set them to a common value, drop them, etc.) to reduce processing time. In another example, the base station may request re-transmission of all preempted code blocks, supporting TB CRC calculation. In another example, the base station or UE may extend a processing timeline for the retransmission to support TB CRC calculation.
Inventors:
HOSSEINI SEYEDKIANOUSH (US)
AMINZADEH GOHARI AMIR (US)
KWAK JAEYOUNG (US)
GAAL PETER (US)
KHANDEKAR AAMOD (US)
SORIAGA JOSEPH (US)
JI TINGFANG (US)
CHEN WANSHI (US)
LU ENOCH (US)
SARKIS GABI (US)
JIN CHAO (US)
AMINZADEH GOHARI AMIR (US)
KWAK JAEYOUNG (US)
GAAL PETER (US)
KHANDEKAR AAMOD (US)
SORIAGA JOSEPH (US)
JI TINGFANG (US)
CHEN WANSHI (US)
LU ENOCH (US)
SARKIS GABI (US)
JIN CHAO (US)
Application Number:
PCT/US2020/031103
Publication Date:
December 10, 2020
Filing Date:
May 01, 2020
Export Citation:
Assignee:
QUALCOMM INC (US)
International Classes:
H04L1/00; H03M13/09; H04L1/18; H04W72/04
Foreign References:
| US20100205518A1 | 2010-08-12 |
Other References:
CMCC: "Discussion on UL inter UE Tx prioritization/multiplexing", vol. RAN WG1, no. Reno, USA; 20190513 - 20190517, 2 May 2019 (2019-05-02), XP051708555, Retrieved from the Internet [retrieved on 20190502]
SOO YUN HWANG ET AL: "Implementation of an Encoder Based on Parallel Structure for LTE Systems", WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC), 2010 IEEE, IEEE, PISCATAWAY, NJ, USA, 18 April 2010 (2010-04-18), pages 1 - 6, XP031706374, ISBN: 978-1-4244-6396-1
QUALCOMM INCORPORATED: "UCI Enhancements for eURLLC", vol. RAN WG1, no. Reno, Nevada, USA; 20191118 - 20191122, 9 November 2019 (2019-11-09), XP051823722, Retrieved from the Internet [retrieved on 20191109]
INTEL CORPORATION: "On inter-UE UL Multiplexing for eURLLC", vol. RAN WG1, no. Athens, Greece; 20190225 - 20190301, 16 February 2019 (2019-02-16), XP051600193, Retrieved from the Internet [retrieved on 20190216]
ZTE: "On scheduling/HARQ processing timeline for URLLC", vol. RAN WG1, no. Taipei; 20190121 - 20190125, 20 January 2019 (2019-01-20), XP051592998, Retrieved from the Internet [retrieved on 20190120]
CATT: "Discussion on out-of-order scheduling/HARQ", 3GPP DRAFT; R1-1905362, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, 12 April 2019 (2019-04-12), pages 1 - 6, XP051707436
SOO YUN HWANG ET AL: "Implementation of an Encoder Based on Parallel Structure for LTE Systems", WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC), 2010 IEEE, IEEE, PISCATAWAY, NJ, USA, 18 April 2010 (2010-04-18), pages 1 - 6, XP031706374, ISBN: 978-1-4244-6396-1
QUALCOMM INCORPORATED: "UCI Enhancements for eURLLC", vol. RAN WG1, no. Reno, Nevada, USA; 20191118 - 20191122, 9 November 2019 (2019-11-09), XP051823722, Retrieved from the Internet
INTEL CORPORATION: "On inter-UE UL Multiplexing for eURLLC", vol. RAN WG1, no. Athens, Greece; 20190225 - 20190301, 16 February 2019 (2019-02-16), XP051600193, Retrieved from the Internet
ZTE: "On scheduling/HARQ processing timeline for URLLC", vol. RAN WG1, no. Taipei; 20190121 - 20190125, 20 January 2019 (2019-01-20), XP051592998, Retrieved from the Internet
CATT: "Discussion on out-of-order scheduling/HARQ", 3GPP DRAFT; R1-1905362, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, 12 April 2019 (2019-04-12), pages 1 - 6, XP051707436
Attorney, Agent or Firm:
MUTTER, Nathan J. (US)
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