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Methods and devices for hybrid automatic repeat request acknowledgement/non-acknowledgement bundling

A hybrid auto-repeat and positive-response technology, applied in multiple uses of transmission paths, transmission systems, wireless communications, etc.

Active Publication Date: 2020-06-19
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] However, in New Radio (NR), the above scheme for HARQ ACK / NACK bundling may be sub-optimal, and thus a solution suitable for new features introduced in NR is desired

Method used

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  • Methods and devices for hybrid automatic repeat request acknowledgement/non-acknowledgement bundling
  • Methods and devices for hybrid automatic repeat request acknowledgement/non-acknowledgement bundling
  • Methods and devices for hybrid automatic repeat request acknowledgement/non-acknowledgement bundling

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Embodiment Construction

[0047] As used herein, the term "wireless communication network" refers to a network that complies with any appropriate communication standard (e.g., LTE-Advanced (LTE-A), LTE, Wideband Code Division Multiple Access (WCDMA), High Speed ​​Packet Access (HSPA) etc.) network. In addition, any suitable communication protocol of a generation (including but not limited to: Global System for Mobile Communications (GSM), Universal Mobile Telecommunications System (UMTS), Long Term Evolution (LTE) and / or other suitable 1G (first generation), 2G (second generation), 2.5G, 2.75G, 3G (third generation), 4G (fourth generation), 4.5G, 5G (fifth generation) communication protocols), wireless local area network (WLAN) standards (for example, IEEE 802.11 standard)); and / or any other suitable wireless communication standard (e.g., Worldwide Interoperability for Microwave Access (WiMax), Bluetooth, and / or ZigBee standards) and / or any other protocol currently known or developed in the future, To...

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Abstract

A method (300) at a terminal device capable of Hybrid Automatic Repeat reQuest, HARQ, Acknowledgement / Non-Acknowledgement, ACK / NACK, bundling is provided. The method (300) includes: determining that anumber of HARQ ACK / NACK bits to be transmitted is larger than a predetermined capacity (310); and bundling at least two of the number of HARQ ACK / NACK bits based on a data transmission duration associated with each of the number of HARQ ACK / NACK bits(320).

Description

technical field [0001] The present disclosure relates to wireless communications, and more particularly, to methods and apparatus for hybrid automatic repeat request (HARQ) acknowledgment / negative acknowledgment (ACK / NACK) bundling. Background technique [0002] In Long Term Evolution (LTE), for a Physical Downlink Shared Channel (PDSCH) transmission from a network device (eg, an evolved NodeB (eNB)), a terminal device (eg, user equipment (UE)) sends the network device HARQ ACK or NACK bits. When the uplink control information (UCI) format does not have enough capacity to carry all the HARQACK / NACK bits to be transmitted, more than one HARQACK / NACK bit may be bundled, eg by combining into one bit via an AND operation , until the number of resulting bits matches the capacity of the UCI format. [0003] By AND operation, if any of the HARQ ACK / NACK bits to be bundled is a NACK bit, the resulting bit is a NACK bit. In this case, the eNB will have to retransmit all transport ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W92/00
CPCH04L5/0055H04L1/1854H04L1/1819H04L1/1887H04L5/0051H04L5/0094H04W72/0446
Inventor 刘进华王民
Owner TELEFON AB LM ERICSSON (PUBL)
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