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Data transmission method and device

A technology of a data transmission device and a data transmission method, applied in the field of communication, can solve the problems of data blocks without obvious advantages, unable to support retransmission at the same time, unable to transmit retransmission data blocks in time, etc.

Active Publication Date: 2017-07-07
YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
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  • Summary
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the existing transmission scheme can reduce the processing complexity of the transmitter and receiver, it prolongs the transmission delay of the system. For example, in order to support newly transmitted data blocks, some TTIs cannot be transmitted in time for retransmission Data blocks, resulting in low efficiency of retransmitted data block transmission
[0004] It can be seen that the existing communication method cannot support the transmission of retransmitted data blocks and newly transmitted data blocks in the same TTI at the same time, so it is not obvious in dealing with future 5G-oriented short-latency services such as eMBB and URLLC. Advantage

Method used

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Embodiment Construction

[0102] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0103] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0104]In the present invention, the transmitter communicates with the receiver, and both the transmitter and the receiver can send and receive information. Wherein, the transmitter may be user equipment or a base ...

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Abstract

The invention provides a data transmission method and device. The method comprises the following steps: receiving a first data block and a second data block from same user equipment, wherein the first data block is a resent data block, and the second data block is a newly sent data block; carrying out bit-level data multiplexing of the first data block and the second block to obtain a synthesized data block; and transmitting the synthesized data block within a same transmission time interval (TTI). The invention further provides the data transmission device. The data transmission method and device provided by the invention has the advantages that the two different types of data blocks can be transmitted within the same TTI, so that a transmission delay of a system is shortened.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a data transmission method and device. Background technique [0002] Existing communication systems only support sending data blocks of one type (newly transmitted data blocks or retransmitted data blocks) within a given transmission time interval (Transmission Time Interval, TTI). For example, the retransmitted data block after encoding processing is transmitted in TTI#n, and the newly transmitted data block after encoding processing is transmitted in TTI#(n+m), m is usually not equal to 0. In this existing transmission scheme, the transmitter and the receiver only need to process one type of data block in each TTI, which can reduce the processing complexity of the transmitter and the receiver. [0003] However, for the future 5G (5th-Generation, fifth-generation mobile communication technology) NR (New Radio Access Technology, new air interface access technology...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04W72/12
CPCH04L1/0007H04L1/0033H04L1/0061H04L1/0064H04W72/1263
Inventor 张伟李明菊张云飞
Owner YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD