Invention Grant
- Patent Title: User equipment and random access method
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Application No.: US16074160Application Date: 2017-02-03
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Publication No.: US11632800B2Publication Date: 2023-04-18
- Inventor: Shimpei Yasukawa , Kazuki Takeda , Kazuaki Takeda , Hiroki Harada , Satoshi Nagata
- Applicant: NTT DOCOMO, INC.
- Applicant Address: JP Tokyo
- Assignee: NTT DOCOMO, INC.
- Current Assignee: NTT DOCOMO, INC.
- Current Assignee Address: JP Tokyo
- Agency: Osha Bergman Watanabe & Burton LLP
- Priority: JPJP2016-020323 20160204
- International Application: PCT/JP2017/004119 WO 20170203
- International Announcement: WO2017/135455 WO 20170810
- Main IPC: H04W74/08
- IPC: H04W74/08 ; H04W52/36 ; H04W56/00 ; H04W74/00 ; H04W72/04 ; H04W72/044

Abstract:
A user equipment communicating with a base station in a wireless communication system including the base station and the user equipment, the user equipment including: a storage unit configured to store correspondence information where an identifier of a beam formed by the base station and configuration information used for transmission of a random access signal are associated with each other; a selection unit configured to select a specific beam on the basis of reception quality of signals transmitted from the base station by using a plurality of different beams and select configuration information corresponding to the specific beam on the basis of the correspondence information; and a transmission unit configured to transmit the random access signal to the base station by using the configuration information selected by the selection unit.
Public/Granted literature
- US20210127424A1 USER EQUIPMENT AND RANDOM ACCESS METHOD Public/Granted day:2021-04-29
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