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Determining a harq-ack response codebook in a wireless communication system

一种码本、小区组的技术，应用在下行传输块而生成的反馈领域，能够解决不实用等问题

Active Publication Date: 2018-07-17
LENOVO INNOVATIONS LTD HONG KONG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While this solution is suitable for small aggregated serving cell sets (e.g., 5 serving cells or less), current solutions are not suitable for larger aggregated serving cell sets (e.g., 32 serving cells or more). say it becomes impractical

Method used

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  • Determining a harq-ack response codebook in a wireless communication system
  • Determining a harq-ack response codebook in a wireless communication system
  • Determining a harq-ack response codebook in a wireless communication system

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Embodiment Construction

[0082] As will be appreciated by those skilled in the art, various aspects of the embodiments may be implemented as a system, apparatus, method, or program product. Thus, embodiments may take the form of an entirely hardware embodiment, an entirely software embodiment (including firmware, resident software, microcode, etc.), or a combination of what may generally be referred to herein generally as a "circuit," "module," or "system." form of embodiment in terms of software and hardware. Furthermore, embodiments may take the form of a program product embodied in one or more computer-readable storage devices storing machine-readable code, computer-readable code, and / or program code (hereinafter referred to as code). The storage device may be tangible, non-transitory, and / or non-transmissive. The memory device may contain no signals. In some embodiments, the memory device only employs signals to access the code.

[0083] Any combination of one or more computer readable medium(s...

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Abstract

Apparatuses, methods, and systems are disclosed for determining a hybrid automatic repeat request acknowledgement (HARQ-ACK) codebook. One apparatus includes a processor and a memory that stores codeexecutable by the processor. The code, in various embodiments, determines a set of aggregated serving cells. The code groups the aggregated serving cells into a set of cell groups. In a further embodiment, the code determines, for an uplink subframe, a set of subframes for which a corresponding HARQ-ACK is to be transmitted in the uplink subframe. The code receives a cell-domain downlink assignment indicator and a cell-domain total assignment indicator in each downlink control information scheduling a physical downlink shared channel. The code additionally determines a HARQ-ACK codebook for each combination of a cell group and a subframe. The apparatus may include a transmitter that receives the downlink control information.

Description

technical field [0001] The subject matter disclosed herein relates generally to wireless communications, and more particularly, to feedback generated in response to downlink transport blocks received in a wireless communications system. Background technique [0002] The following acronyms are thereby defined, at least some of which are referenced within the following description. [0003] 3GPP: Third Generation Partnership Project [0004] ACK: Acknowledgment [0005] ARQ: Automatic Repeat Request [0006] C-DAI: small area downlink allocation indicator [0007] C-TAI: Small Area Total Allocation Indicator [0008] CA: Carrier Aggregation [0009] CB: Codebook [0010] CBS: codebook size [0011] CC: component carrier [0012] CG: Cell Group [0013] DCI: Downlink Control Information [0014] DL: downlink [0015] eNB: Evolved Node B [0016] FDD: frequency division duplex [0017] HARQ: Hybrid Automatic Repeat Request [0018] HARQ-ACK: Hybrid Automatic Repeat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/18
CPCH04L1/1861H04L5/0055H04L1/1614H04L1/1621H04L1/1812H04L5/0094H04L5/14H04W72/20H04L1/18H04L1/1864
Inventor 沈祖康
Owner LENOVO INNOVATIONS LTD HONG KONG
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