System and method for beam-based physical random-access

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United States of America Patent

PATENT NO 9814068
SERIAL NO

14400579

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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 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 L M ERICSSON (PUBL)

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Andersson, Håkan Linköping, SE 105 737
Frenne, Mattias Uppsala, SE 444 4009
Furuskog, Johan Stockholm, SE 120 2806
Parkvall, Stefan Bromma, SE 636 8487
Sahlin, Henrik Mölnlycke, SE 242 2649
Zhang, Qiang Täby, SE 703 4573

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