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Feedback information transmission method and device

A technology of feedback information and transmission method, applied in the direction of transmission modification based on link quality, transmission system, digital transmission system, etc., can solve problems affecting communication efficiency, waste of resources, and excessive resources, so as to improve communication efficiency and reduce overhead , the effect of reducing waste

Active Publication Date: 2020-02-21
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, in the generation of semi-static codebooks, there is a large redundancy, which makes the semi-static codebooks occupy more resources, resulting in waste of resources and affecting communication efficiency

Method used

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  • Feedback information transmission method and device
  • Feedback information transmission method and device
  • Feedback information transmission method and device

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Embodiment Construction

[0049] The technical solution in this application will be described below with reference to the accompanying drawings.

[0050] The technical solutions of the embodiments of the present application may be applied to various communication systems, for example, a long term evolution (long termevolution, LTE) system, a fifth generation (5th generation, 5G) mobile communication system, or a future evolved mobile communication system. This application does not limit the mobile communication system used in the embodiment.

[0051] figure 1 is a schematic diagram of the architecture of the mobile communication system applicable to the embodiment of the present application. like figure 1 As shown, the mobile communication system 100 may include a core network device 110, a radio access network device 120, and at least one terminal device (such as figure 1 terminal device 130 and terminal device 140 shown in ). The terminal device is connected to the wireless access network device ...

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Abstract

The invention provides a feedback information transmission method and device. The feedback information transmission method comprises the steps that terminal equipment receives indication information from network equipment, wherein the indication information indicates the generation of a semi-static codebook; the terminal equipment detects a first PDSCH (Physical Downlink Shared Channel) at M candidate receiving positions in a first time unit, wherein the first PDSCH is a semi-persistent scheduling SPDSCH or a scheduling-free PDSCH, and M is a positive integer; and the terminal equipment determines whether to send first feedback information to the network equipment according to the detection result of the first PDSCH, wherein the first feedback information comprises acknowledgement (ACK) ornegative acknowledgement (NACK) information about whether the detected first PDSCH is correctly decoded at the M candidate receiving positions. According to the feedback information transmission method provided by the invention, the overhead of the semi-static codebook can be reduced, and the waste of resources is reduced. The feedback reliability is improved, and the communication efficiency isimproved.

Description

technical field [0001] The present application relates to the field of communications, and more specifically, to a method and device for transmitting feedback information in the field of communications. Background technique [0002] The fifth generation (5G) mobile communication system is committed to supporting higher system performance, supporting multiple service types, different deployment scenarios, and a wider spectrum range. Among them, various service types include enhanced mobile broadband (eMBB), massive machine type communication (mMTC), ultra-reliable and low latency communications (ultra-reliable and low latency communications, URLLC), multimedia broadcast multicast services (multimedia broadcast multicastservice, MBMS) and positioning services. Different deployment scenarios include indoor hotspot, dense urban, suburban, urban macro, and high-speed rail scenarios. A wider spectrum range means that 5G will support a spectrum range up to 100GHz, which includes ...

Claims

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Application Information

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IPC IPC(8): H04L1/00H04L5/00H04W72/04H04W76/27H04W76/28
CPCH04L5/0055H04L1/0023H04L1/0078H04W76/27H04W76/28H04W72/0446H04L5/0044H04L1/1854H04L1/1893H04L1/1896H04L1/1887H04L1/1614H04B7/0417H04B7/0456H04W72/1273H04W72/23
Inventor 李胜钰官磊马蕊香
Owner HUAWEI TECH CO LTD
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