Network node, wireless device, and methods for beam management

US10666346B2 · kind B2 · utility

Assignee

• Telefonaktiebolaget LM Ericsson (Publ) · SE

Inventors

• Andreas Bergström · Vikingstad, SE
• Håkan Andersson · Linköping, SE
• Johan Furuskog · Stockholm, SE
• Tomas Sundin · Sollentuna, SE
• Niclas Wiberg · Säter, SE
• Qiang Zhang · Dalian, CN

Key dates

• Filing date: Nov 11, 2016
• Grant date: May 26, 2020
• Expiry date: Dec 11, 2036

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04B7/0617
• WIPO field: Telecommunications
• WIPO sector: Electrical engineering

Abstract

Embodiments herein relate to a method performed by a wireless device (10) for managing beam-formed communication in a wireless communication network (1), wherein the wireless device (10) is configured to handle separate directional device beams at the wireless device (10). The wireless device (10) forms an active set for a first device beam out of the separate directional device beams of the wireless device by selecting one or more first network beams out of a plurality of separate directional network beams of the wireless communication network (1). The one or more first network beams are selected based on received signal strength or quality, and the active set is to be used for transmission or reception of data. The wireless device selects a first network beam in the active set as a preferred network beam for transmission or reception of data. The wireless device further forms a monitored set for a second device beam out of the one or more separate directional device beams of the wireless device by selecting one or more second network beams out of the plurality of separate directional network beams of the wireless communication network (1). The one or more second network beams are…