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DMRS (Demodulation Reference Signal) determining method, DMRS configuration method, terminal, and base station

A technology for determining method and configuration method, which is applied in signaling allocation, transmission path sub-channel allocation, digital transmission system, etc., and can solve the problem of inconclusive DMRS symbol number and pattern.

Active Publication Date: 2019-03-26
VIVO MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In 5G new radio (NR for short), PUCCH formats of different lengths are defined to support different UCI loads, but there is no conclusion on how to determine the number of symbols and patterns of DMRS

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  • DMRS (Demodulation Reference Signal) determining method, DMRS configuration method, terminal, and base station
  • DMRS (Demodulation Reference Signal) determining method, DMRS configuration method, terminal, and base station
  • DMRS (Demodulation Reference Signal) determining method, DMRS configuration method, terminal, and base station

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Embodiment Construction

[0040] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are some, but not all, embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art fall within the protection scope of the present invention.

[0041] Please refer to figure 1 , figure 1 It is a schematic diagram of a DMRS determination method according to Embodiment 1 of the present invention. The DMRS determination method is applied to a terminal, including:

[0042]Step 11: Determine the number of symbols of the DMRS according to the transmission parameters configured by the base station, where the transmis...

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Abstract

The invention provides a DMRS (Demodulation Reference Signal) determining method, a DMRS configuration method, a terminal, and a base station. The DMRS determining method applied to the terminal comprises the following step: determining, according to transmission parameters configured by the base station, the number of symbols of the DMRS, wherein the transmission parameters comprise at least oneof: a UCI payload number range carried by a PUCCH (Physical Uplink Control Channel), a UCI content type carried by the PUCCH, the number of symbols of the PUCCH, the state of a frequency hopping switch of the PUCCH, and the presence or absence of multiplexing capability of the PUCCH. In the invention, the terminal can determine the number of symbols of the DMRS to determine the pattern of the DMRS, and can transmit the information of the PUCCH according to the pattern of the DMRS, so that the PUCCH achieves better transmission performance requirements.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, and in particular, to a method for determining a demodulation reference signal (Demodulation Reference Signal, DMRS for short), a configuration method, a terminal and a base station. Background technique [0002] Compared with the previous mobile communication system, the future 5G mobile communication system needs to adapt to more diverse scenarios and business requirements. The main scenarios of 5G include Enhance Mobile Broadband (eMBB), Ultra-Reliable and Low Latency Communications (URLLC) and Massive Machine Type of Communication (mMTC) ), these scenarios put forward high reliability, low latency, large bandwidth, wide coverage and other requirements for the system. [0003] There are various Physical Uplink Control Channel (Physical Uplink Control CHannel, PUCCH for short) formats in LTE to support different uplink control information (Uplink Control Information, UCI...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/02H04L5/00
CPCH04L5/0053H04W24/02
Inventor 鲁智沈晓冬
Owner VIVO MOBILE COMM CO LTD