Method and device for training downlink beams

US11664876B2 · kind B2 · utility

Assignee

• DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD. · CN

Inventors

• Qiuping HUANG · Beijing, CN
• Qiubin Gao · Beijing, CN
• Runhua Chen · Dallas, US
• Hui Li · Beijing, CN
• Rakesh Tamrakar · Beijing, CN
• Yang Song · Shanghai, CN
• Xin Su · Beijing, CN
• Yu Yang · Beijing, CN
• Mengjun WANG · Beijing, CN
• Chuanjun Li · Beijing, CN

Key dates

• Filing date: Aug 3, 2017
• Grant date: May 30, 2023
• Expiry date: May 1, 2039

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04B7/088
• WIPO field: Telecommunications
• WIPO sector: Electrical engineering

Abstract

A method and a device for transmitting downlink reception beam training signals are provided. The method at the second device side includes: receiving a downlink reception beam training trigger notification message sent by a first device; receiving downlink reception beam training signals sent by the first device, based on the downlink reception beam training trigger notification message; and performing a downlink reception beam training based on the downlink reception beam training signals. The method at the first device side includes: sending a downlink reception beam training trigger notification message to a second device when determining that a downlink reception beam training is to be performed for the second device, and sending downlink reception beam training signals to the second device after the downlink reception beam training trigger notification message is sent to the second device.