- Patent Title: Methods and system for MIMO transmissions in millimeter wave WLANs
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Application No.: US16621133Application Date: 2018-06-14
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Publication No.: US11349546B2Publication Date: 2022-05-31
- Inventor: Oghenekome Oteri , Alphan Sahin , Hanging Lou , Li Hsiang Sun , Rui Yang
- Applicant: INTERDIGITAL PATENT HOLDINGS, INC.
- Applicant Address: US DE Wilmington
- Assignee: INTERDIGITAL PATENT HOLDINGS, INC.
- Current Assignee: INTERDIGITAL PATENT HOLDINGS, INC.
- Current Assignee Address: US DE Wilmington
- Agency: Volpe Koenig
- International Application: PCT/US2018/037510 WO 20180614
- International Announcement: WO2018/232101 WO 20181220
- Main IPC: H04B7/06
- IPC: H04B7/06 ; H04B7/0452 ; H04W74/08 ; H04W84/12

Abstract:
Methods and an apparatus are disclosed for orthogonal frequency division multiplexing (OFDM) and/or single carrier (SC) based multiple input multiple output (MIMO) hybrid beamforming (HBF) including determining the capabilities of a station (STA) such as the capability for hybrid beamforming, single user MIMO (SU-MIMO), and multi user MIMO (MU-MIMO). An announcement frame with a control trailer may be transmitted to signal a transmission configuration. The announcement frame may be a grant frame or a request to send (RTS) frame if the STA is SU-MIMO capable or a RTS frame or a DMG clear to send (CTS)-self frame if the STA is MU-MIMO capable. One or more directional multi-gigabit (DMG) antennas may be configured based on the announcement frame. One or more sounding symbols may be transmitted and feedback may be provided based on the sounding symbols. An HBF signal may be transmitted based on the sounding symbol(s) and/or feedback.
Public/Granted literature
- US20210143887A1 METHODS AND SYSTEM FOR MIMO TRANSMISSIONS IN MILLIMETER WAVE WLANS Public/Granted day:2021-05-13
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