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Data transmission method and apparatus

A data transmission method and data technology, applied in the field of communication, can solve problems such as failure to correct eMBB business data, waste of transmission resources, failure to decode, etc., and achieve the effects of saving data transmission signaling, improving efficiency, and improving accuracy

Active Publication Date: 2018-07-31
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

During the transmission of eMBB service data, the eMBB service data erased due to being punctured is erased in blocks, not a single bit, so channel decoding cannot correct the erased eMBB service data, eMBB UE Unable to correctly decode all information CBs of eMBB service data, and then repeatedly trigger the retransmission of all CBs of eMBB service data on the base station side, which greatly wastes transmission resources and poor applicability

Method used

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  • Data transmission method and apparatus
  • Data transmission method and apparatus
  • Data transmission method and apparatus

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Embodiment Construction

[0103] The technical solutions in this application will be clearly and completely described below in conjunction with the accompanying drawings in this application.

[0104] The sending device and the receiving device in each embodiment of the present application may be any data sending device and data receiving device that perform data transmission in a wireless manner. The sending device and the receiving device can be any kind of device with wireless transceiver function, including but not limited to: base station (NodeB), evolved base station (evolvedNodeB, eNB), base station in 5G communication system, base station in future communication system or Network equipment, access nodes, wireless relay nodes, wireless backhaul nodes and UEs in WiFi systems. Wherein, the UE may also be called a terminal (terminal), a mobile station (mobile station, MS), a mobile terminal (mobile terminal, MT) and so on. The UE can communicate with one or more core networks via the radio access n...

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Abstract

The invention discloses a data transmission method and apparatus. The method comprises the steps of enabling a receiving device to receive at least two packets of data from a sending device, each packet including at least one information CB (Code Block); enabling the receiving device to perform decoding on information CBs in the each packet and send indication information to the sending device, the indication information including information for indicating a decoding error packet, and information for indicating the number M of information CBs with a decoding error in the decoding error packet, and the decoding error packet being a packet where an information CB with the decoding error is located; enabling the receiving device to receive first check CBs from the sending device, the numberN of the first check CBs being greater than or equal to the M, and the first check CBs being obtained by encoding the information CBs in the decoding error packet; and enabling the receiving device toperform decoding on the information CBs in the decoding error packet according to the first check CBs. By adopting the data transmission method and apparatus provided by the embodiments of the invention, the data transmission method and apparatus have the advantages that the decoding complexity of transmission data can be reduced, the data transmission efficiency is improved and the transmissionresources are saved.

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] Mobile communication has profoundly changed people's lives, but people's pursuit of higher performance mobile communication has never stopped. In order to cope with the explosive growth of mobile data traffic in the future, massive mobile communication device connections, and various new services and application scenarios emerging, the fifth generation (5G) system has emerged as the times require. The 5G system needs to support enhanced mobile broadband (eMBB) services, ultrareliable and low latency communications (URLLC) services, and massive machine type communications (mMTC) services at the same time. Different services The network requirements are different. Therefore, how to better support the network requirements of multiple different services at the same time has become a technical proble...

Claims

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Application Information

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IPC IPC(8): H04L1/00
CPCH04L1/0002H04L1/004
Inventor 吴亮杜白张鹏秦龙
Owner HUAWEI TECH CO LTD
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