Feedback for multicast and broadcast messages

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12244421
APP PUB NO 20210111835A1
SERIAL NO

17035459

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Importance

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Abstract

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The disclosure relates to methods, devices, and systems for wireless communications. In some wireless communications systems, a base station may transmit a multicast message to a group of user equipment (UEs), and the UEs may provide feedback for the multicast message. In some implementations, the base station may configure the UEs to transmit feedback for multicast messages. In some example, the UEs may transmit group-negative acknowledgment (NACK) feedback information for multicast messages that are not successfully received at the UEs. In some other examples, each UE may be configured with UE-specific uplink control channel resources for transmitting hybrid automatic repeat request (HARQ) feedback for a multicast message. In some implementations, a UE may support feedback for both unicast and multicast messages. The semi-static codebook for unicast, multicast, or both may account for whether the UE is capable of concurrently receiving unicast and multicast messages in a slot.

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Patent Owner(s)

Patent OwnerAddress
QUALCOMM INCORPORATED5775 MOREHOUSE DRIVE SAN DIEGO CA 92121

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Wanshi San Diego, US 2748 35847
Gaal, Peter San Diego, US 3063 38477
Khoshnevisan, Mostafa San Diego, US 913 1738
Liu, Le Fremont, US 504 1937
Luo, Tao San Diego, US 5517 35959
Rico, Alvarino Alberto San Diego, US 952 4747
Sun, Jing San Diego, US 2431 12990
Takeda, Kazuki Minato-ku, JP 1198 5805
Zhang, Xiaoxia San Diego, US 2710 14595
Zhu, Xipeng San Diego, US 306 1525

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