System and method for beam-based physical random-access

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United States of America Patent

PATENT NO 10433335
APP PUB NO 20180049238A1
SERIAL NO

15725755

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Abstract

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A method in a wireless device for performing random access to a network node. The method comprises receiving a set of downlink beam-specific reference signals, BRS, from the network node, and determining a preferred BRS BRS based on the received signal power for each BRS. The method also comprises selecting, based on the preferred BRS, a random-access resource to be used for transmitting a random-access attempt to the network node, as well as using the selected random-access resource when transmitting a random-access attempt to the network node, whereby the selection of random-access resource indicates to the network node which downlink beam is preferred by the wireless device to be used for downlink transmissions.

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Patent Owner(s)

  • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Andersson, Håkan Linköping, SE 105 743
Frenne, Mattias Uppsala, SE 447 4026
Furuskog, Johan Stockholm, SE 120 2815
Parkvall, Stefan Bromma, SE 637 8503
Sahlin, Henrik Mölnlycke, SE 242 2659
Zhang, Qiang Täby, SE 706 4589

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