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Evolved packet data convergence protocol duplication

A technology of packet data and aggregation protocol, applied in wireless network protocols, error prevention/detection through transmission repetition, machine-to-machine/machine-type communication services, etc., can solve the problem of reducing overall spectrum efficiency, increasing PDU generation and transmission, etc. question

Pending Publication Date: 2021-09-21
FG INNOVATION CO LTD
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Problems solved by technology

[0005] Therefore, the PDCP duplication mechanism may unnecessarily increase the number of PDU generation and transmission (e.g. to different RLC entities) and thus may reduce the overall spectral efficiency

Method used

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  • Evolved packet data convergence protocol duplication
  • Evolved packet data convergence protocol duplication
  • Evolved packet data convergence protocol duplication

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Embodiment Construction

[0032] The following description contains specific information related to exemplary embodiments in the present disclosure. The drawings in this disclosure and their accompanying detailed description are of exemplary embodiments only. However, the present disclosure is not limited to these exemplary embodiments. Other variations and implementations of the disclosure will occur to those skilled in the art. Unless otherwise indicated, similar or corresponding elements in the figures may be indicated by similar or corresponding reference numerals. Furthermore, the drawings and illustrations in this disclosure are generally not drawn to scale and are not intended to correspond to actual relative dimensions.

[0033] For purposes of consistency and ease of understanding, in the exemplary figures, similar features (although not shown in some instances) may be identified by the same numerals. However, features in different embodiments may vary in other respects and therefore should...

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Abstract

Some of the present implementations provide a method for a PDCP duplication function for a UE that is configured with a first cell group and a second cell group. The method receives, from a base station, through RRC signaling, a configuration for a PDCP entity. The configuration indicates an association between the PDCP entity and several RLC entities, each associated with one of the first and second cell groups, a first RLC entity in the RLC entities associated with the first cell group to be a primary RLC entity, and a second RLC entity in the RLC entities associated with the second cell group to be a secondary RLC entity. The method further generates one or more duplicated PDCP PDUs, and transmits the generated duplicated PDCP PDUs to at least the first and second RLC entities.

Description

[0001] Cross References to Related Applications [0002] This application claims benefit and priority to Provisional U.S. Patent Application Serial No. 62 / 800,556, filed February 3, 2019, entitled "Data Transmission on Evolved PDCP Duplication," having attorney docket US76527 (hereinafter known as "US76527 application"). The disclosure of the US76527 application is hereby incorporated by reference in its entirety into this application. technical field [0003] The present disclosure relates generally to wireless communications, and more particularly to data transmission based on Packet Data Convergence Protocol (PD CP) replication in next generation wireless networks. Background technique [0004] In order to achieve higher reliability (for example, in the transmission of data packets for Ultra Reliable Low Latency Communication (URLLC) services), the third generation partner for New Radio (NR) The plan (3rd Generation Partnership Project, 3GPP) introduces a new PDCP repli...

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Application Information

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IPC IPC(8): H04W28/12H04L45/24
CPCH04W76/15H04W4/00H04W4/40H04W4/44H04W4/46H04W4/70H04L1/08H04L45/24H04W80/02
Inventor 魏嘉宏靳亨立
Owner FG INNOVATION CO LTD
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