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A hybrid automatic repeat request method and device

A hybrid automatic retransmission and retransmission technology, applied in the field of communication, can solve problems such as low channel utilization and resource waste

Active Publication Date: 2021-06-22
合肥酷芯微电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the idle channel during the waiting process leads to waste of resources, and the channel utilization rate is not high.

Method used

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  • A hybrid automatic repeat request method and device
  • A hybrid automatic repeat request method and device
  • A hybrid automatic repeat request method and device

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Embodiment Construction

[0041] In the following detailed description, reference is made to the accompanying drawings which form a part hereof. In the drawings, similar symbols typically identify similar components, unless context dictates otherwise. The illustrative embodiments described in the detailed description, drawings, and claims are not intended to be limiting. Other embodiments may be utilized, and other changes may be made, without departing from the spirit or scope of the subject matter of the present application. It is to be understood that various configurations, substitutions, combinations, and designs of various configurations, substitutions, combinations, and designs of the subject matter generally described in this application and illustrated in the accompanying drawings are possible, all of which expressly constitute the subject matter of this application. part.

[0042] For the convenience of those skilled in the art to understand, figure 1 A schematic diagram showing the system...

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Abstract

The present application discloses a hybrid automatic repeat request method, including: determining a pair of time slots consisting of a first time slot and a second time slot, the first time slot and the second time slot being used for a control node For data transmission with the controlled node, one of the first time slot and the second time slot is an uplink time slot, and the other time slot is a downlink time slot; an interleaving block is generated, and the interleaving block including a new interleaving block corresponding to a new data block and / or a retransmission interleaving block corresponding to a retransmitted data block; selecting at least one interleaving block from the generated interleaving blocks as an interleaving block to be sent; in the first time slot Sending the interleaving block to be sent; receiving feedback information indicating the reception status of the interleaving block to be sent in the second time slot; determining the data block that needs to be retransmitted according to the feedback information; The data block is retransmitted.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular, to a method and device for a hybrid automatic repeat request. Background technique [0002] In wireless communication systems, due to channel noise, channel fading and other reasons, data transmission errors often occur. In order to ensure the reliability of communication, a corresponding error correction mechanism is required. Auto Repeat reQuest (ARQ) and Forward Error Correction (FEC) coding are two commonly used error correction mechanisms. When the receiving end finds that the data packet is received incorrectly, it requires the sending end to retransmit the data packet. This error correction mechanism is called automatic repeat request (ARQ); in addition, the sending end usually adds certain protection information to the data packet before This mechanism is called Forward Error Correction (FEC). Hybrid Auto Repeat reQuest (HARQ) is a technology that com...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04L1/18
CPCH04L1/0071H04L1/1806H04L1/1812
Inventor 沈泊李铮孙芳蕾徐浩余中
Owner 合肥酷芯微电子有限公司