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.
Patent No.:
Date of Patent:
Mar. 20, 2018
Filed:
Oct. 28, 2016
Huawei Technologies Co.,ltd., Shenzhen, Guangdong, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
Embodiments of the present invention disclose a base station, including: a first channel state information acquiring module, configured to acquire channel state information of dimension-reduced channel subspace by means of level-one channel state information measurement; a set determining module, configured to: schedule the user equipment, and determine a set of user equipment involved in multiple-input multiple-output; a second channel state information acquiring module, configured to: perform level-two channel state information measurement on user equipment in the set of user equipment to acquire state information of a dimension-reduced real-time channel; and a data sending module, configured to: process downlink data and a user-specific demodulation reference signal by means of two-level precoding, and send processed downlink data and a processed user-specific demodulation reference signal to the user equipment in the set of user equipment.