Invention Grant
US09331386B2 Beamformed downlink communications for a multiple antenna system
有权
用于多天线系统的波束形成的下行链路通信
- Patent Title: Beamformed downlink communications for a multiple antenna system
- Patent Title (中): 用于多天线系统的波束形成的下行链路通信
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Application No.: US13520251Application Date: 2012-06-08
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Publication No.: US09331386B2Publication Date: 2016-05-03
- Inventor: Niklas Wernersson , Svante Bergman , David Hammarwall
- Applicant: Niklas Wernersson , Svante Bergman , David Hammarwall
- Applicant Address: SE Stockholm
- Assignee: Telefonaktiebolaget LM Ericsson (publ)
- Current Assignee: Telefonaktiebolaget LM Ericsson (publ)
- Current Assignee Address: SE Stockholm
- Agency: Baker Botts, LLP
- International Application: PCT/SE2012/050616 WO 20120608
- International Announcement: WO2013/133743 WO 20130912
- Main IPC: H04B7/06
- IPC: H04B7/06 ; H01Q3/00 ; H04B7/04

Abstract:
Some example embodiments presented herein are directed towards an eNodeB, and corresponding method therein, for establishing beamforming for downlink communications in a multiple antenna system. The eNodeB may transmit a plurality of reference signals, where each reference signal is beamformed into a distinct direction with in at least one correlated domain (e.g., an elevation and/or azimuth domain). The eNodeB may generate beamformed downlink communications for antenna elements and/or subelements based on received signal quality assessments of the plurality of reference signals. Some example embodiments may be directed towards a user equipment, and corresponding methods therein, for establishing beamforming for downlink communications. The user equipment may receive the plurality of reference signals and provide signal assessments of the reference signals based on measurements performed by the user equipment. The user equipment may transmit the signal quality assessments to the eNodeB and receive beamformed downlink communications based on the signal quality assessments.
Public/Granted literature
- US20130329649A1 BEAMFORMED DOWNLINK COMMUNICATIONS FOR A MULTIPLE ANTENNA SYSTEM Public/Granted day:2013-12-12
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