Base station device, terminal device, and communication method

A technology of terminal devices and communication methods, applied in wireless communication, network traffic/resource management, electrical components, etc., to achieve the effect of high frequency utilization efficiency

Active Publication Date: 2019-09-06
SHARP KK +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, the terminal device must wait for radio resource allocation from the base station device, which is a major disadvantage for a terminal device that intends to perform communication requiring immediacy

Method used

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  • Base station device, terminal device, and communication method
  • Base station device, terminal device, and communication method
  • Base station device, terminal device, and communication method

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0040] The communication system in this embodiment includes: a base station device (transmitting device, cell, transmission point, transmitting antenna group, transmitting antenna port group, component carrier, eNodeB) and terminal device (terminal, mobile terminal, receiving point, receiving terminal, receiving device, receive antenna group, receive antenna port group, UE (User Equipment)). Also, a base station device connected to a terminal device (establishing a radio link) is called a serving cell.

[0041] The base station device and the terminal device in this embodiment can perform communication in a license-requiring frequency band (licensed frequency band) and / or a license-free frequency band (unlicensed frequency band).

[0042] In this embodiment, "X / Y" includes the meaning of "X or Y". In this embodiment, "X / Y" includes the meaning of "X and Y". In this embodiment, "X / Y" includes the meaning of "X and / or Y".

[0043] figure 1 It is a figure which shows the exam...

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Abstract

A base station device that carries out carrier sense to ensure a wireless medium for a prescribed period, sets an uplink communication period in at least a portion of the prescribed period, selectively or simultaneously sets a first communication mode and a second communication mode in at least one uplink subframe period that is included in the uplink communication period, and transmits a downlinksubframe including common control information that indicates the communication mode that is set to the uplink subframe period, the first communication mode allowing a terminal device to communicate on the basis of the scheduling information of the base station device, and the second communication mode allowing the terminal device to communicate without requiring the scheduling information of thebase station device.

Description

technical field [0001] The present invention relates to a base station device, a terminal device and a communication method. [0002] This application claims priority to Japanese Patent Application No. 2017-016698 for which it applied in Japan on February 1, 2017, and uses the content here. Background technique [0003] In communication systems such as LTE (Long Term Evolution: Long Term Evolution) and LTE-A (LTE-Advanced: Advanced Long Term Evolution), which are specified by 3GPP (Third Generation Partnership Project: Third Generation Partnership Project), the base station device (base station, transmitting station, transmitting point, downlink transmitting device, uplink receiving device, transmitting antenna group, transmitting antenna port group, component carrier, eNodeB (evolved Node B), access point, AP) or The area covered by the base station device is a standard transmitting station, and a communication area can be expanded by adopting a cellular structure in which...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W74/02H04W16/14H04W72/04H04W72/08
CPCH04W16/14H04W72/1268H04W72/02H04W72/0446H04W72/23H04W74/02H04W72/54H04W28/26H04W74/006
Inventor 留场宏道山田良太
Owner SHARP KK
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