Wireless device, a network node and methods therein for determining the quality of uplink beamforming directions in a wireless communications network

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United States of America Patent

PATENT NO 10298309
APP PUB NO 20180034529A1
SERIAL NO

15023426

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Abstract

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A method performed by a wireless device (121) for determining the quality of uplink beamforming directions in a wireless communications network (100) is provided. The wireless device (121) receives configuration information indicating uplink channel state information, CSI, processes for uplink beamforming directions. Then, the wireless device (121) transmits reference signals for one or more uplink beamforming directions on uplink transmission resources of corresponding one or more uplink CSI processes. The wireless device (121) also receives one or more uplink CSI process reports for the one or more uplink CSI processes. Then, the wireless device (121) determines the quality of at least one uplink beamforming direction using the one or more uplink CSI process reports. A wireless device (121) for determining the quality of uplink beamforming directions in a wireless communications network (100) is also provided.

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Patent Owner(s)

Patent OwnerAddress
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)STOCKHOLM SWE STOCKHOLM

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eriksson, Erik Linköping, SE 331 4444
Fröberg, Olsson Jonas Ljungsbro, SE 153 2545
Hessler, Martin Linköping, SE 229 2791
Petersson, Sven Sävedalen, SE 187 2305

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