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Data transmitting-and-receiving configuration method and associated device

A configuration method, data sending and receiving technology, applied in the direction of digital transmission system, transmission modification based on link quality, transmission system, etc., can solve the problem of wasting system resources and so on

Active Publication Date: 2017-10-24
YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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 transmitting-and-receiving configuration method and associated device
  • Data transmitting-and-receiving configuration method and associated device
  • Data transmitting-and-receiving configuration method and associated device

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Embodiment Construction

[0059] 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 of the embodiments of the present invention, not all of them. 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.

[0060] The embodiment of the present invention can be applied to a wireless communication system. The wireless communication system is generally 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. Wherein, the base station includes a baseband unit (Baseband ...

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Abstract

The embodiments of the invention propose a data transmitting-and-receiving configuration method and an associated device, wherein the method comprises: a terminal device receives a first configuration signaling from a network device wherein the first configuration signaling is used to indicate whether the first transmission block transmitted from the network device belongs to a re-transmitting transmission block or not and the first configuration signaling comprises the DCI information of the first transmission block; the terminal device receives the first transmission block transmitted from the network device wherein the first transmission block comprises at least one code block group; and the terminal device receives and decodes the code block group in the first transmission block based on the DCI information of the first transmission block. With the technical schemes of the invention, it is possible to accurately determine the decoding manners for the various code block groups in a transmission block so that the correct reception probability for CBG becomes bigger and that unnecessary re-transmitting can be avoided.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to a data sending and receiving configuration method and a related device. Background technique [0002] In the 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 retransmission (Hybird Auto-Request, HARQ) feedback, the receiving end will give feedback on whether the data sent by the sending end is received correctly or not. In a Long Term Evolution (LTE) system, HARQ feedback is performed in units of one TB, and retransmission is also performed in units of TB. In a New Radio (NR) system, a 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. Moreover, a TB in NR contains a large number of code blocks (Code Block, CB). ...

Claims

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Application Information

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Patent Type & Authority Applications(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