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Title:
RANDOM ACCESS CHANNEL SELECTION AND CONFIGURATION METHOD, ACCESS DEVICE AND NETWORK DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/233224
Kind Code:
A1
Abstract:
Provided are a random access channel selection and configuration method, an access device and a network device. The disclosure comprises: acquiring parameter information corresponding to at least two random access channels and time-frequency resource allocation information, wherein parameter information corresponding to each random access channel comprises: a sub-carrier spacing and a preamble sequence; the random access channel bandwidth obtained according to the sub-carrier spacing and the length of the preamble sequence is less than or equal to the maximum transmission bandwidth of a satellite access device, and the sub-carrier spacing comprises a reference value of the maximum frequency offset that a satellite system needs to resist; selecting target parameter information from among the parameter information according to the capability of the access device, the working scenario of the access device and the frequency offset proportion of the random access channel; and selecting a random access channel according to the target parameter information, and sending a random access signal on the basis of the time-frequency resource allocation information.

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Inventors:
KANG SHAOLI (CN)
MIAO DESHAN (CN)
SUN SHAOHUI (CN)
WANG YINGMIN (CN)
Application Number:
PCT/CN2020/080921
Publication Date:
November 26, 2020
Filing Date:
March 24, 2020
Export Citation:
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Assignee:
DATANG MOBILE COMMUNICATIONS EQUIPMENT CO LTD (CN)
International Classes:
H04W74/08
Foreign References:
CN103298136A2013-09-11
CN109479331A2019-03-15
EP3313015A12018-04-25
Other References:
MOTOROLA MOBILITY ET AL.: "PRACH for an NR carrier supporting multiple numerologies", 3GPP TSG RAN WG1 MEETING #88 R1-1703045, 17 February 2017 (2017-02-17), XP051210184, DOI: 20200609181137X
NTT DOCOMO, INC.: "Design for RACH Procedure for NR", 3GPP TSG RAN WG1 MEETING #86 R1-167378, 26 August 2016 (2016-08-26), XP051125874, DOI: 20200609181620A
See also references of EP 3975654A4
Attorney, Agent or Firm:
DRAGON INTELLECTUAL PROPERTY LAW FIRM (CN)
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