METHOD FOR GENERATING RANDOM ACCESS PREAMBLE SEQUENCE AND USER EQUIPMENT

Abstract

A random access preamble sequence generation method and user equipment are provided. The method includes the following steps: when receiving first notification signaling sent by a base station, determining, by UE, to calculate a cyclic shift value by using a first solution; obtaining a first logical root sequence number, and determining a root sequence based on the first logical root sequence number; and generating a random access preamble sequence based on the root sequence and the cyclic shift value, where the first solution is a solution of calculating the cyclic shift value when a Doppler shift of the UE is less than a first preset value and greater than a second preset value, the first preset value is less than twice of a physical random access channel PRACH subcarrier spacing, the second preset value is greater than the PRACH subcarrier spacing, and the first preset value is greater than the second preset value. In the present invention, when the Doppler shift of the UE is greater than the PRACH subcarrier spacing and less than twice of the PRACH subcarrier spacing, mutual interference between UEs can be eliminated, and a problem that fuzzy detection occurs when the base station detects random access sequences can be resolved.

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Technology	Declaration Information			Specification Information	Explicitly Disclosed	Patent Type
Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Information	Explicitly Disclosed	Patent Type
5G	23/10/2018	ISLD-201810-041	HUAWEI	S1 TS Number: TS 138 101 Version No: ---- Illustrative part: ---- Release: ---- S2 TS Number: TS 138 211 Version No: ---- Illustrative part: ---- Release: ---- S3 TS Number: TS 138 212 Version No: ---- Illustrative part: ---- Release: ---- S4 TS Number: TS 138 213 Version No: ---- Illustrative part: ---- Release: ---- S5 TS Number: TS 138 214 Version No: ---- Illustrative part: ---- Release: ---- S6 TS Number: TS 138 300 Version No: ---- Illustrative part: ---- Release: ---- S7 TS Number: TS 138 321 Version No: ---- Illustrative part: ---- Release: ---- S8 TS Number: TS 138 331 Version No: ---- Illustrative part: ---- Release: ---- +7 -7	No	Family Member
4G	14/06/2020	ISLD-202006-023	HUAWEI	S1 TS Number: TS 136 211 Version No: ---- Illustrative part: ---- Release: ---- S2 TS Number: TS 136 331 Version No: ---- Illustrative part: ---- Release: ---- +1 -1	Yes	Family Member
5G	14/06/2020	ISLD-202006-023	HUAWEI	S1 TS Number: TS 138 211 Version No: ---- Illustrative part: ---- Release: ---- S2 TS Number: TS 138 331 Version No: ---- Illustrative part: ---- Release: ---- +1 -1	Yes	Family Member

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Publication No	Technology	Declaration Information			Specification Information	Explicitly Disclosed	Patent Type
Publication No	Technology	Declaration Date	Declaration Reference	Declaring Company	Specification Information	Explicitly Disclosed	Patent Type
WO2018058478A1	5G	23/10/2018	ISLD-201810-041	HUAWEI	S1 TS Number: TS 138 101 Version No: -- Section No: -- Release : -- S2 TS Number: TS 138 211 Version No: -- Section No: -- Release : -- S3 TS Number: TS 138 212 Version No: -- Section No: -- Release : -- S4 TS Number: TS 138 213 Version No: -- Section No: -- Release : -- S5 TS Number: TS 138 214 Version No: -- Section No: -- Release : -- S6 TS Number: TS 138 300 Version No: -- Section No: -- Release : -- S7 TS Number: TS 138 321 Version No: -- Section No: -- Release : -- S8 TS Number: TS 138 331 Version No: -- Section No: -- Release : -- +7 -7	Yes	Basis Patent
WO2018058478A1	4G	14/06/2020	ISLD-202006-023	HUAWEI	S1 TS Number: TS 136 211 Version No: -- Section No: -- Release : -- S2 TS Number: TS 136 331 Version No: -- Section No: -- Release : -- +1 -1	Yes	Family Member
WO2018058478A1	5G	14/06/2020	ISLD-202006-023	HUAWEI	S1 TS Number: TS 138 211 Version No: -- Section No: -- Release : -- S2 TS Number: TS 138 331 Version No: -- Section No: -- Release : -- +1 -1	Yes	Family Member
CN109792771A	5G	23/10/2018	ISLD-201810-041	HUAWEI	S1 TS Number: TS 138 101 Version No: -- Section No: -- Release : -- S2 TS Number: TS 138 211 Version No: -- Section No: -- Release : -- S3 TS Number: TS 138 212 Version No: -- Section No: -- Release : -- S4 TS Number: TS 138 213 Version No: -- Section No: -- Release : -- S5 TS Number: TS 138 214 Version No: -- Section No: -- Release : -- S6 TS Number: TS 138 300 Version No: -- Section No: -- Release : -- S7 TS Number: TS 138 321 Version No: -- Section No: -- Release : -- S8 TS Number: TS 138 331 Version No: -- Section No: -- Release : -- +7 -7	No	Family Member
CN109792771A	4G	14/06/2020	ISLD-202006-023	HUAWEI	S1 TS Number: TS 136 211 Version No: -- Section No: -- Release : -- S2 TS Number: TS 136 331 Version No: -- Section No: -- Release : -- +1 -1	Yes	Basis Patent
CN109792771A	5G	14/06/2020	ISLD-202006-023	HUAWEI	S1 TS Number: TS 138 211 Version No: -- Section No: -- Release : -- S2 TS Number: TS 138 331 Version No: -- Section No: -- Release : -- +1 -1	Yes	Basis Patent
BR112019006157A2	5G	23/10/2018	ISLD-201810-041	HUAWEI	S1 TS Number: TS 138 101 Version No: -- Section No: -- Release : -- S2 TS Number: TS 138 211 Version No: -- Section No: -- Release : -- S3 TS Number: TS 138 212 Version No: -- Section No: -- Release : -- S4 TS Number: TS 138 213 Version No: -- Section No: -- Release : -- S5 TS Number: TS 138 214 Version No: -- Section No: -- Release : -- S6 TS Number: TS 138 300 Version No: -- Section No: -- Release : -- S7 TS Number: TS 138 321 Version No: -- Section No: -- Release : -- S8 TS Number: TS 138 331 Version No: -- Section No: -- Release : -- +7 -7	No	Family Member
BR112019006157A2	4G	14/06/2020	ISLD-202006-023	HUAWEI	S1 TS Number: TS 136 211 Version No: -- Section No: -- Release : -- S2 TS Number: TS 136 331 Version No: -- Section No: -- Release : -- +1 -1	Yes	Family Member
BR112019006157A2	5G	14/06/2020	ISLD-202006-023	HUAWEI	S1 TS Number: TS 138 211 Version No: -- Section No: -- Release : -- S2 TS Number: TS 138 331 Version No: -- Section No: -- Release : -- +1 -1	Yes	Family Member
EP3509382A4	5G	23/10/2018	ISLD-201810-041	HUAWEI	S1 TS Number: TS 138 101 Version No: -- Section No: -- Release : -- S2 TS Number: TS 138 211 Version No: -- Section No: -- Release : -- S3 TS Number: TS 138 212 Version No: -- Section No: -- Release : -- S4 TS Number: TS 138 213 Version No: -- Section No: -- Release : -- S5 TS Number: TS 138 214 Version No: -- Section No: -- Release : -- S6 TS Number: TS 138 300 Version No: -- Section No: -- Release : -- S7 TS Number: TS 138 321 Version No: -- Section No: -- Release : -- S8 TS Number: TS 138 331 Version No: -- Section No: -- Release : -- +7 -7	No	Family Member
EP3509382A4	4G	14/06/2020	ISLD-202006-023	HUAWEI	S1 TS Number: TS 136 211 Version No: -- Section No: -- Release : -- S2 TS Number: TS 136 331 Version No: -- Section No: -- Release : -- +1 -1	Yes	Family Member
EP3509382A4	5G	14/06/2020	ISLD-202006-023	HUAWEI	S1 TS Number: TS 138 211 Version No: -- Section No: -- Release : -- S2 TS Number: TS 138 331 Version No: -- Section No: -- Release : -- +1 -1	Yes	Family Member
JP2020502843A	5G	23/10/2018	ISLD-201810-041	HUAWEI	S1 TS Number: TS 138 101 Version No: -- Section No: -- Release : -- S2 TS Number: TS 138 211 Version No: -- Section No: -- Release : -- S3 TS Number: TS 138 212 Version No: -- Section No: -- Release : -- S4 TS Number: TS 138 213 Version No: -- Section No: -- Release : -- S5 TS Number: TS 138 214 Version No: -- Section No: -- Release : -- S6 TS Number: TS 138 300 Version No: -- Section No: -- Release : -- S7 TS Number: TS 138 321 Version No: -- Section No: -- Release : -- S8 TS Number: TS 138 331 Version No: -- Section No: -- Release : -- +7 -7	No	Family Member
JP2020502843A	4G	14/06/2020	ISLD-202006-023	HUAWEI	S1 TS Number: TS 136 211 Version No: -- Section No: -- Release : -- S2 TS Number: TS 136 331 Version No: -- Section No: -- Release : -- +1 -1	Yes	Family Member
JP2020502843A	5G	14/06/2020	ISLD-202006-023	HUAWEI	S1 TS Number: TS 138 211 Version No: -- Section No: -- Release : -- S2 TS Number: TS 138 331 Version No: -- Section No: -- Release : -- +1 -1	Yes	Family Member
KR20190054154A	5G	23/10/2018	ISLD-201810-041	HUAWEI	S1 TS Number: TS 138 101 Version No: -- Section No: -- Release : -- S2 TS Number: TS 138 211 Version No: -- Section No: -- Release : -- S3 TS Number: TS 138 212 Version No: -- Section No: -- Release : -- S4 TS Number: TS 138 213 Version No: -- Section No: -- Release : -- S5 TS Number: TS 138 214 Version No: -- Section No: -- Release : -- S6 TS Number: TS 138 300 Version No: -- Section No: -- Release : -- S7 TS Number: TS 138 321 Version No: -- Section No: -- Release : -- S8 TS Number: TS 138 331 Version No: -- Section No: -- Release : -- +7 -7	No	Family Member
KR20190054154A	4G	14/06/2020	ISLD-202006-023	HUAWEI	S1 TS Number: TS 136 211 Version No: -- Section No: -- Release : -- S2 TS Number: TS 136 331 Version No: -- Section No: -- Release : -- +1 -1	Yes	Family Member
KR20190054154A	5G	14/06/2020	ISLD-202006-023	HUAWEI	S1 TS Number: TS 138 211 Version No: -- Section No: -- Release : -- S2 TS Number: TS 138 331 Version No: -- Section No: -- Release : -- +1 -1	Yes	Family Member
US2019223226A1	5G	23/10/2018	ISLD-201810-041	HUAWEI	S1 TS Number: TS 138 101 Version No: -- Section No: -- Release : -- S2 TS Number: TS 138 211 Version No: -- Section No: -- Release : -- S3 TS Number: TS 138 212 Version No: -- Section No: -- Release : -- S4 TS Number: TS 138 213 Version No: -- Section No: -- Release : -- S5 TS Number: TS 138 214 Version No: -- Section No: -- Release : -- S6 TS Number: TS 138 300 Version No: -- Section No: -- Release : -- S7 TS Number: TS 138 321 Version No: -- Section No: -- Release : -- S8 TS Number: TS 138 331 Version No: -- Section No: -- Release : -- +7 -7	No	Family Member
US2019223226A1	4G	14/06/2020	ISLD-202006-023	HUAWEI	S1 TS Number: TS 136 211 Version No: -- Section No: -- Release : -- S2 TS Number: TS 136 331 Version No: -- Section No: -- Release : -- +1 -1	Yes	Family Member
US2019223226A1	5G	14/06/2020	ISLD-202006-023	HUAWEI	S1 TS Number: TS 138 211 Version No: -- Section No: -- Release : -- S2 TS Number: TS 138 331 Version No: -- Section No: -- Release : -- +1 -1	Yes	Family Member
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EP3509382A1

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Title

METHOD FOR GENERATING RANDOM ACCESS PREAMBLE SEQUENCE AND USER EQUIPMENT

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