US Patent No. 10,993,277

ENHANCED PDCP DUPLICATION HANDLING AND RLC FAILURE HANDLING


Patent No. 10,993,277
Issue Date April 27, 2021
Title Enhanced Pdcp Duplication Handling And Rlc Failure Handling
Inventorship Fangli Xu, Beijing (CN)
Dawei Zhang, Saratoga, CA (US)
Haijing Hu, Beijing (CN)
Longda Xing, San Jose, CA (US)
Murtaza A. Shikari, Mountain View, CA (US)
Sethuraman Gurumoorthy, San Jose, CA (US)
Sree Ram Kodali, Sunnyvale, CA (US)
Srinivasan Nimmala, San Jose, CA (US)
Srirang A. Lovlekar, Cupertino, CA (US)
Xu Ou, San Jose, CA (US)
Yuqin Chen, Shenzhen (CN)
Assignee Apple Inc., Cupertino, CA (US)

Claim of US Patent No. 10,993,277

1. An apparatus for managing transmissions of a user equipment device (UE), the apparatus including:a processor configured to cause the UE to:
establish a connection with a cellular network, wherein the connection includes:
a first path between the UE and the cellular network; and
a second path between the UE and the cellular network;
receive, from the cellular network, a first duplication parameter including an indication to autonomously determine duplication;
autonomously determine, in response to the indication, whether to duplicate transmission of first uplink data;
duplicate a first portion of the first uplink data on both of the first path and the second path in accordance with the determination; and
transmit a second portion of the first uplink data on only the first path in accordance with the determination.