Terminal device, base station device, and communication method

A technology for terminal devices and base stations, applied in wireless communication, signaling distribution, pilot signal distribution, etc., can solve problems such as path loss, and achieve the effect of improving reliability

Pending Publication Date: 2021-08-13
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in wireless communication using a high frequency band, path loss becomes a problem

Method used

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  • Terminal device, base station device, and communication method
  • Terminal device, base station device, and communication method
  • Terminal device, base station device, and communication method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0030] The communication system in this embodiment includes: a base station device (transmitting device, cell, transmitting point, transmitting antenna group, transmitting antenna port group, component carrier, eNodeB, gNodeB, transmitting point, transmitting and receiving point, transmitting panel, access point, sub Array) and terminal devices (terminal, mobile terminal, receiving point, receiving terminal, receiving device, receiving antenna group, receiving antenna port group, UE, receiving point, receiving panel, station, sub-array). Also, a base station device connected to a terminal device (establishing a radio link) is called a serving cell.

[0031] The base station apparatus and terminal apparatus in this embodiment can perform communication in a license-required frequency band (licensed frequency band) and / or a license-free frequency band (unlicensed frequency band).

[0032] In this embodiment, "X / Y" includes the meaning of "X or Y". In this embodiment, "X / Y" inclu...

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PUM

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Abstract

Provided are a terminal device, a base station device and a communication method which can improve reliability and frequency utilization efficiency when using beamforming for transmission. The terminal device comprises a reception unit that receives a downlink shared channel including configuration information, downlink control information and transport blocks, and a signal detection unit that uses the redundancy version included in the downlink control information to decode the downlink shared channel. The configuration information includes the number of consecutive slots in which the same transport block will be repeatedly transmitted. A demodulation reference signal (DRMS) to be transmitted in at least two of the consecutive slots is not related to quasi-colocation (QCL). The redundancy version is determined from the slot index of the consecutive slots, and information indicating the QCL.

Description

technical field [0001] The present invention relates to a terminal device, a base station device and a communication method. This application claims priority based on Japanese Patent Application No. 2018-242661 filed in Japan on December 26, 2018, and the contents thereof are incorporated herein by reference. Background technique [0002] With the goal of starting commercial services around 2020, research / development activities related to the fifth-generation mobile wireless communication system (5G system) are being actively carried out. Recently, the International Telecommunication Union Radio Communications Sector (ITU-R), which is an international standardization organization, has reported a standard method for 5G systems (International mobile telecommunications-2020andbeyond: IMT-2020: 2020 and beyond) International Mobile Telecommunications (IMT-2020) related vision proposal (see Non-Patent Document 1). [0003] Securing frequency resources is an important issue in o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/28H04W72/04H04L27/26H04B7/0452
CPCH04L27/2613H04B7/0691H04L5/0044H04L5/0053H04L5/0051H04L5/0094H04L5/0023H04L1/08H04L5/0035H04L1/1819H04L1/1896H04L1/1664H04L1/1893H04W72/23H04L27/26136
Inventor 山田良太浜口泰弘
Owner SHARP KK
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