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Data sending and receiving configuration method and related device

A configuration method and technology for data transmission and reception, which can be used in digital transmission systems, channel coding adjustment, wireless communication, etc., and can solve problems such as wasting system resources.

Active Publication Date: 2020-11-10
YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Moreover, a TB in NR contains a large number of code blocks (Code Block, CB). If the HARQ feedback is still in units of TB, as long as one or several CBs in a TB receive errors, all data in the TB needs to be retransmitted, wasting system resources.

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  • Data sending and receiving configuration method and related device
  • Data sending and receiving configuration method and related device
  • Data sending and receiving configuration method and related device

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Embodiment Construction

[0059] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0060] The embodiments of the present invention can be applied to a wireless communication system. The wireless communication system is usually composed of cells, each cell includes a base station (Base Station, BS), and the base station provides communication services to multiple terminal devices, wherein the base station is connected to the core network device, like figure 1 shown. The base station includes a baseband unit (Baseban...

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Abstract

Embodiments of the present invention provide a data sending and receiving configuration method and related devices, wherein the method includes: the terminal device receives the first configuration signaling sent by the network device, and the first configuration signaling is used to indicate the first configuration signaling sent by the network device A transport block is a retransmission transport block, the first configuration signaling includes DCI information of the first transport block; the terminal device receives the first transport block sent by the network device, and the first transport block includes at least A code block group; the terminal device receives and decodes the code block group in the first transmission block according to the DCI information of the first transmission block. By adopting the technical solution of the present invention, the decoding mode of each code block group in the transmission block can be accurately determined, so that the probability of correct reception of the CBG is greater, and unnecessary retransmission is avoided.

Description

technical field [0001] The present invention relates to the field of wireless communication technologies, and in particular, to a data transceiver configuration method and related devices. Background technique [0002] In a wireless transmission process, data transmission may take one subframe as a time transmission unit, and one transport block (Transport Block, TB) is generally transmitted in one subframe. [0003] In hybrid automatic request retransmission (Hybird Auto-Request, HARQ) feedback, the receiving end will give feedback on whether the data sent by the transmitting end is received correctly or not. In a Long Term Evolution (Long Term Evolution, LTE) system, HARQ feedback is performed in units of one TB, and retransmission is also performed in units of TBs. In a New Radio (New Radio, NR) system, the time transmission unit occupied by one TB in the NR system may be one or more OFDM symbols, one or more mini-slots, or one or more slots. In addition, a TB in NR con...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/18
CPCH04L1/1812H04L1/1858H04L1/189H04L1/1845H04L1/1887H04L5/0023H04W72/0453H04W88/02H04L1/0013H04W72/23H04W72/21H04L1/0057
Inventor 李明菊张云飞
Owner YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD