Title:
A method for determining a Precoding procession indicator, a device, user apparatus, and a base station
Document Type and Number:
Japanese Patent JP6122218
Kind Code:
B2
Abstract:
The present invention provides a method and an apparatus for determining a precoding matrix indicator, user equipment, and a base station. The method includes: determining a precoding matrix indicator PMI, where the PMI corresponds to a precoding matrix w , and the precoding matrix w satisfies a first condition, a second condition, or a third condition; and sending the PMI to a base station. Embodiments of the present invention further provide a corresponding apparatus, and the corresponding user equipment and base station. Technical solutions provided in the embodiments of the present invention can effectively control a beam, especially a beam shape and a beam orientation, in a horizontal direction and a perpendicular direction.
Inventors:
Royal foundation
Zhou Yong
Zhou Yong
Application Number:
JP2016522171A
Publication Date:
April 26, 2017
Filing Date:
June 29, 2013
Export Citation:
Assignee:
HUAWEI TECHNOLOGIES CO.,LTD.
International Classes:
H04J99/00; H04B7/06
Domestic Patent References:
| JP2009538555A | ||||
| JP2013526136A |
Foreign References:
| US20110280290 | ||||
| US20130121437 |
Attorney, Agent or Firm:
Yoshifumi Saeki
Keiji Kiuchi
Keiji Kiuchi