HARQ FEEDBACK CODEBOOK FOR MULTICAST AND UNICAST

HARQ FEEDBACK CODEBOOK FOR MULTICAST AND UNICAST

A wireless device (110) obtains a codebook that is based on a first downlink data to uplink feedback timing set (30) for feedback associated with multicast downlink data and a second downlink data to uplink feedback timing set (31) for feedback associated with unicast downlink data. A number of down...

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Hauptverfasser: HUSCHKE, Jörg, MUNGARA, Ratheesh Kumar, FAN, Rui
Format: Patent
Sprache:eng
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator HUSCHKE, Jörg
MUNGARA, Ratheesh Kumar
FAN, Rui
description A wireless device (110) obtains a codebook that is based on a first downlink data to uplink feedback timing set (30) for feedback associated with multicast downlink data and a second downlink data to uplink feedback timing set (31) for feedback associated with unicast downlink data. A number of downlink slots associated with the codebook is determined based on a union of the first set and the second set. The wireless device transmits feedback to a network node (160) based on the codebook. A number of feedback bits (32) in the codebook for a downlink slot associated with the codebook is determined based on a union of a first Time Domain Resource Allocation, TDRA, list and a second TDRA list. The first list indicates possible allocations of symbols for a downlink shared channel for multicast. The second list indicates possible allocations of symbols for a downlink shared channel for unicast.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title HARQ FEEDBACK CODEBOOK FOR MULTICAST AND UNICAST
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