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Terminal device, base station device, communication method, and integrated circuit

A terminal device and base station technology, applied in wireless communication, signaling distribution, electrical components, etc., to achieve the effect of improving transmission efficiency

Active Publication Date: 2019-04-02
TOYOTA JIDOSHA KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, EPDCCH can only be mapped to the terminal inherent search space

Method used

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

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Embodiment Construction

[0076] Embodiments of the present invention will be described below.

[0077] In this embodiment, a mobile station device is configured with a plurality of cells. A technique in which a mobile station device communicates via a plurality of cells is called cell aggregation or carrier aggregation. The present invention can also be applied to each of a plurality of cells configured for a mobile station device. In addition, the present invention may be applied to some of the configured plurality of cells. A cell configured in a mobile station device is also called a serving cell.

[0078] The set serving cells include one primary cell and one or more secondary cells. The primary cell is a serving cell that has undergone an initial connection establishment process, a serving cell that has started a connection re-establishment process, or a cell designated as a primary cell during a handover process. The secondary cell may be configured at or after the RRC connection is establis...

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Abstract

A terminal device that communicates with a base station device and includes a receiving unit that decodes a PDCCH of DCI format 1C accompanied by a CRC scrambled by an RNTI for TDD reconfiguration, the DCI format 1C including a plurality of Indication of the uplink-downlink configuration of the serving cell. Accordingly, the mobile station device and the base station device can communicate efficiently.

Description

technical field [0001] The present invention relates to a terminal device, a base station device, a communication method, and an integrated circuit. [0002] this application claims priority based on Japanese Patent Application No. 2013-166165 for which it applied to Japan on August 9, 2013, The content is used here. Background technique [0003] In the 3rd Generation Partnership Project (3rd Generation Partnership Project: 3GPP), wireless access methods and wireless networks for cellular mobile communications (hereinafter referred to as "Long Term Evolution (LTE))" or "evolved universal Terrestrial Radio Access (Evolved Universal Terrestrial Radio Access: EUTRA)"). In LTE, a base station device (base station) is also called eNodeB (evolved NodeB), and a mobile station device (mobile station, terminal, terminal device) is called UE (User Equipment). LTE is a cellular communication system in which a plurality of base station devices are arranged in the form of cells. A sin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04
CPCH04L5/0053H04L5/1469H04L1/00H04L1/1854H04L5/0092H04W72/23
Inventor 草岛直纪示沢寿之野上智造铃木翔一今村公彦阿尔瓦罗·鲁伊斯德尔加多
Owner TOYOTA JIDOSHA KK