The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 24, 2020

Filed:

Oct. 17, 2017
Applicant:

Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;

Inventor:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/02 (2018.01); H04B 7/06 (2006.01); H04B 7/0456 (2017.01); H04B 7/08 (2006.01); H04B 7/0417 (2017.01);
U.S. Cl.
CPC ...
H04B 7/0617 (2013.01); H04B 7/0456 (2013.01); H04B 7/0695 (2013.01); H04B 7/088 (2013.01); H04B 7/0417 (2013.01);
Abstract

Methods and apparatus for selecting between downlink beamforming training and uplink beamforming training for hybrid beamforming. The decision whether to perform downlink beamforming training or uplink beamforming training for hybrid beamforming can be used by a network node to reduce training overhead and increase system capacity. A selection value is computed, indicative of the relative costs of signaling overhead for downlink beamforming training and uplink beamforming training to support downlink transmissions by the network node to the group of wireless devices using hybrid beamforming. The selection between uplink beamforming training and downlink beamforming training is based on the selection value.


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