METHOD AND APPARATUS FOR DOWNLINK CONTROL INFORMATION

Title:

METHOD AND APPARATUS FOR DOWNLINK CONTROL INFORMATION

Document Type and Number:

WIPO Patent Application WO/2021/073534

Kind Code:

A1

Abstract:

Embodiments of the present disclosure provide methods and apparatuses for downlink control information. A method at a network device comprises determining a format of downlink control information, DCI, used for scheduling of downlink shared channel in a 2-step random access procedure. The method further comprises determining an identifier used for scrambling cyclic redundancy check, CRC, of the format of DCI. The identifier comprises at least one of a common identifier or a specific identifier. The method further comprises transmitting information regarding a scheduled downlink shared channel with the format of DCI with the CRC scrambled by the identifier on a downlink control channel to at least one terminal device. FIG. 3

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Inventors:

LIN ZHIPENG (CN)
HARRISON ROBERT (US)

Application Number:

PCT/CN2020/120900

Publication Date:

April 22, 2021

Filing Date:

October 14, 2020

Export Citation:

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Assignee:

ERICSSON TELEFON AB L M (SE)
LIN ZHIPENG (CN)

International Classes:

H04W74/00

Domestic Patent References:

WO2017160052A2

2017-09-21

Foreign References:

US20120327891A1	2012-12-27
US20190306841A1	2019-10-03
CN101651995A	2010-02-17

Other References:

ERICSSON: "Procedure for Two-step RACH", 3GPP DRAFT; R1-1910907 PROCEDURE FOR TWO-STEP RACH, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Chongqing, China; 20191014 - 20191018, 5 October 2019 (2019-10-05), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051789685
MOTOROLA MOBILITY, LENOVO: "2-step RACH procedure", 3GPP DRAFT; R1-1911035 2-STEP RACH PROCEDURE, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Chongqing, China; 20191014 - 20191020, 5 October 2019 (2019-10-05), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051789813

Attorney, Agent or Firm:

ZHONGZI LAW OFFICE (CN)

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