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Transmission method of information, and related device

A transmission method and technology for controlling information, applied in the field of communication, can solve problems such as reducing delay

Active Publication Date: 2018-02-23
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] This application provides an information transmission method and related devices, which can enable fast HARQ-ACK feedback and fast retransmission, and can flexibly deal with the problem that flexible HARQ timing leads to different resources required for uplink control information in different subframes, and can simultaneously Suitable for FDD system and TDD system
Therefore, by mapping the uplink control information to the symbol carrying the uplink control information, fast hybrid automatic repeat request feedback and fast retransmission are enabled, thereby reducing delay; enabling the FDD system and the TDD system to adopt a unified The scheme enables the same HARQ timing transmission interval; it can not only solve the problem of different resources required for uplink control information in different subframes caused by flexible HARQ timing, but also enable flexible changes in the resources used to transmit uplink control channels in each subframe, Compared with reserving fixed uplink control channel resources, it improves resource utilization

Method used

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  • Transmission method of information, and related device
  • Transmission method of information, and related device
  • Transmission method of information, and related device

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Embodiment Construction

[0055] The technical solutions in the embodiments of the present application are described below with reference to the drawings in the embodiments of the present application.

[0056] Throughout this specification, the frame structure corresponding to the 5G communication system may include four subframe types, the first subframe type is a downlink subframe, the second subframe type is an uplink subframe, the third subframe type and the fourth subframe type are both Including symbols for downlink transmission, guard interval (English: Guard Period, GP) and symbols for uplink transmission, the third subframe type and the fourth subframe type can be regarded as the same subframe type. The symbols used for downlink transmission in the third subframe type are mainly used for downlink control channel transmission and downlink data transmission, and the symbols used for uplink transmission are mainly used for uplink control information and / or uplink reference signal transmission, suc...

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PUM

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Abstract

The invention discloses a transmission method of information, and a related device. The rapid HARQ (hybrid automatic repeat request)-ACK feedback and the rapid retransmission can be enabled, a problemthat the resources required by the uplink control information on different sub-frames are different due to the flexible HARQ timing can be flexibly solved, and the method can be suitable for an FDD system and a TDD system at the same time. The method comprises the following steps: terminal equipment receives downlink control information, wherein the downlink control information comprises first information for indicating a symbol for bearing the uplink control information; the terminal equipment determines the symbol for bearing the uplink control information according to the first information; and the terminal equipment maps the uplink control information to the symbol for bearing the uplink control information, and sends the same to network equipment.

Description

technical field [0001] The present application relates to the communication field, and in particular to an information transmission method and a related device. Background technique [0002] The 5G communication system or New Radio (English: New Radio, NR) communication system is committed to supporting higher system performance, which will support various services, different deployment scenarios and different spectrums. Among them, different services include enhanced mobile broadband (English: enhanced Mobile Broadband, eMBB), machine type communication (English: Machine Type Communication, MTC), ultra-reliable and low-latency communication (English: Ultra-reliable and low latency communications, URLLC), multimedia Broadcast multicast service (English: Multimedia Broadcast Multicast Service, MBMS) and positioning. Different deployment scenarios include indoor hotspots (English: Indoor hotspot), dense urban areas (English: dense urban), suburban areas, urban macro coverage ...

Claims

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Application Information

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IPC IPC(8): H04L1/00H04L1/18H04W72/04H04W72/12
CPCH04L1/0007H04L1/0023H04L1/1806H04W72/044H04W72/1263H04W72/20H04L1/18H04W72/04H04L5/0055H04L5/0053H04L1/1812H04W72/21H04W72/23H04L5/14
Inventor 成艳
Owner HUAWEI TECH CO LTD
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