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Terminal

A terminal and precoding technology, applied in digital transmission systems, electrical components, modulated carrier systems, etc., can solve the problems of increased phase noise and propagation loss

Pending Publication Date: 2022-03-11
NTT DOCOMO INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, at very high carrier frequencies such as over 52.6GHz, the increase in phase noise and propagation loss becomes a more serious problem

Method used

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Embodiment Construction

[0029] Embodiments will be described below with reference to the drawings. In addition, the same or similar symbols are assigned to the same functions and structures, and descriptions thereof are appropriately omitted.

[0030] (1) The overall schematic structure of the wireless communication system

[0031] figure 1 It is an overall schematic configuration diagram of the radio communication system 10 according to the present embodiment. The wireless communication system 10 is a wireless communication system that complies with 5G New Radio (NR: New Radio), and includes a next-generation radio access network 20 (NextGeneration-Radio Access Network) (hereinafter referred to as NG-RAN 20 ) and a terminal 200 (hereinafter referred to as NG-RAN 20 ). , referred to as UE200, user equipment).

[0032] The NG-RAN 20 includes a radio base station 100 (hereinafter referred to as gNB 100). In addition, the specific structure of the wireless communication system 10 including the numbe...

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Abstract

Provided is a terminal capable of appropriately operating even when DFT-S-OFDM is applied to a downlink. A terminal is provided with: a reception unit that receives a signal encoded by a transform precoding; and a control unit that assumes that the size of the transform precoding is determined in accordance with the downlink bandwidth.

Description

technical field [0001] The present invention relates to a terminal performing wireless communication, and in particular to a terminal corresponding to DFT-S-OFDM. Background technique [0002] The 3rd Generation Partnership Project (3GPP: 3rd Generation Partnership Project) standardizes the Long Term Evolution (LTE: Long Term Evolution), and also develops LTE-Advanced (hereinafter, including LTE-Advanced) for the purpose of further speeding up LTE. It is called LTE) and the fifth generation mobile communication system (also called 5G, NR: New Radio, or NG: Next Generation). [0003] In Release 15 and Release 16 (NR) of 3GPP, operations up to the 52.6 GHz band are standardized. In addition, in the specifications after version 16, the operation in the band exceeding 52.6 GHz is also being studied (see Non-Patent Document 1). The target frequency range in the research project (SI: Study Item) is 52.6GHz-114.25GHz. [0004] However, at very high carrier frequencies such as ex...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L27/26H04W72/12
CPCH04L27/26526H04L27/2666H04L27/2636H04W72/23
Inventor 原田浩树永田聪刘娟刘文佳郭少珍王静王新侯晓林
Owner NTT DOCOMO INC
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