Invention Grant
- Patent Title: Methods and devices for determining suitable transmit directions for beamformed transmission
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Application No.: US15764825Application Date: 2015-09-29
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Publication No.: US10554278B2Publication Date: 2020-02-04
- Inventor: Torbjörn Wigren , Oskar Mauritz
- Applicant: Telefonaktiebolaget LM Ericsson (publ)
- Applicant Address: SE Stockholm
- Assignee: Telefonaktiebolaget LM Ericsson (publ)
- Current Assignee: Telefonaktiebolaget LM Ericsson (publ)
- Current Assignee Address: SE Stockholm
- Agency: NDWE LLP
- International Application: PCT/SE2015/051024 WO 20150929
- International Announcement: WO2017/058066 WO 20170406
- Main IPC: H04B7/06
- IPC: H04B7/06 ; H04W36/00 ; H04W16/28 ; H04B7/0426 ; H04B7/08

Abstract:
Methods, devices and computer programs for determining new transmit directions to use for beamformed transmissions in case the link quality of an existing direction falters. A transmitting communication device and a receiving communication device cooperate via a beam tracking procedure to determine a new suitable transmit direction to use for upcoming beamformed transmissions. Information relating to the beam tracking procedure is communicated over an existing link that enables communication between the transmitting and receiving communication devices. The receiving communication device provides the transmitting communication device with information about a beam scan performed in order to detect tracking beams transmitted by the transmitting communication device. This information allows the transmitting communication device to determine suitable transmit directions to use.
Public/Granted literature
- US20180302136A1 METHODS AND DEVICES FOR DETERMINING SUITABLE TRANSMIT DIRECTIONS FOR BEAMFORMED TRANSMISSION Public/Granted day:2018-10-18
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