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Title:
RANDOM ACCESS METHOD, BASE STATION, AND USER EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2020/200260
Kind Code:
A1
Abstract:
The present application provides a random access method, a base station, and a user equipment (UE). The method comprises: after receiving a first random access message sent by a UE, a base station sends a random access response message to the UE, the MAC PDU of the random access response message including any one of a first response message, a second response message, and a third response message or a combination of multiple message types, each response message corresponding to a MAC PDU subunit; the first response message being a response message given when the base station correctly detects a preamble but does not correctly detect a load carried by a PUSCH; the second response message being a response message given when the base station correctly detects both the preamble and the load carried by the PUSCH; and the third response message being a response message given when the base station correctly detects the preamble but there is no load carried by the PUSCH.

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WO/2020/142683TWO-STEP RANDOM ACCESS PROCEDURE IN UNLICENSED BANDS
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Inventors:
SHEN XIA (CN)
Application Number:
PCT/CN2020/082879
Publication Date:
October 08, 2020
Filing Date:
April 02, 2020
Export Citation:
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Assignee:
CHINA ACADEMY OF INFORMATION AND COMMUNICATIONS TECH CAICT (CN)
International Classes:
H04W74/08; H04W74/00
Domestic Patent References:
WO2018127042A12018-07-12
Foreign References:
CN108282901A2018-07-13
CN108282897A2018-07-13
Other References:
CAICT: "Considerations on Procedure for Two-step RACH", 3GPP TSG RAN WG1 MEETING #97 R1-1907197, 3 May 2019 (2019-05-03), XP051709223, DOI: 20200511153219PX
ZTE ET AL.: "On 2-Step RACH Procedures", 3GPP TSG RAN WG1 MEETING #96BIS R1-1903879, 30 March 2019 (2019-03-30), XP051691124, DOI: 20200511155019Y
Attorney, Agent or Firm:
DEQI INTELLECTUAL PROPERTY LAW CORPORATION (CN)
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