JP2019521601A5 - - Google Patents

Download PDF

Info

Publication number
JP2019521601A5
JP2019521601A5 JP2018567782A JP2018567782A JP2019521601A5 JP 2019521601 A5 JP2019521601 A5 JP 2019521601A5 JP 2018567782 A JP2018567782 A JP 2018567782A JP 2018567782 A JP2018567782 A JP 2018567782A JP 2019521601 A5 JP2019521601 A5 JP 2019521601A5
Authority
JP
Japan
Prior art keywords
timing configuration
downlink
subset
time difference
communication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2018567782A
Other languages
English (en)
Japanese (ja)
Other versions
JP6665323B2 (ja
JP2019521601A (ja
Filing date
Publication date
Priority claimed from US15/642,104 external-priority patent/US10314037B2/en
Application filed filed Critical
Publication of JP2019521601A publication Critical patent/JP2019521601A/ja
Publication of JP2019521601A5 publication Critical patent/JP2019521601A5/ja
Application granted granted Critical
Publication of JP6665323B2 publication Critical patent/JP6665323B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2018567782A 2016-07-08 2017-07-06 ワイヤレス通信におけるレイテンシ低減技法 Active JP6665323B2 (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201662360194P 2016-07-08 2016-07-08
US62/360,194 2016-07-08
US201662368716P 2016-07-29 2016-07-29
US62/368,716 2016-07-29
US15/642,104 US10314037B2 (en) 2016-07-08 2017-07-05 Latency reduction techniques in wireless communications
US15/642,104 2017-07-05
PCT/US2017/040807 WO2018009595A1 (en) 2016-07-08 2017-07-06 Latency reduction techniques in wireless communications

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2020025252A Division JP7183209B2 (ja) 2016-07-08 2020-02-18 ワイヤレス通信におけるレイテンシ低減技法

Publications (3)

Publication Number Publication Date
JP2019521601A JP2019521601A (ja) 2019-07-25
JP2019521601A5 true JP2019521601A5 (https=) 2019-09-05
JP6665323B2 JP6665323B2 (ja) 2020-03-13

Family

ID=60911395

Family Applications (4)

Application Number Title Priority Date Filing Date
JP2018567782A Active JP6665323B2 (ja) 2016-07-08 2017-07-06 ワイヤレス通信におけるレイテンシ低減技法
JP2020025252A Active JP7183209B2 (ja) 2016-07-08 2020-02-18 ワイヤレス通信におけるレイテンシ低減技法
JP2022051385A Active JP7309955B2 (ja) 2016-07-08 2022-03-28 ワイヤレス通信におけるレイテンシ低減技法
JP2023110000A Pending JP2023126291A (ja) 2016-07-08 2023-07-04 ワイヤレス通信におけるレイテンシ低減技法

Family Applications After (3)

Application Number Title Priority Date Filing Date
JP2020025252A Active JP7183209B2 (ja) 2016-07-08 2020-02-18 ワイヤレス通信におけるレイテンシ低減技法
JP2022051385A Active JP7309955B2 (ja) 2016-07-08 2022-03-28 ワイヤレス通信におけるレイテンシ低減技法
JP2023110000A Pending JP2023126291A (ja) 2016-07-08 2023-07-04 ワイヤレス通信におけるレイテンシ低減技法

Country Status (9)

Country Link
US (4) US10314037B2 (https=)
EP (3) EP3482515A1 (https=)
JP (4) JP6665323B2 (https=)
CN (2) CN109417447B (https=)
AU (1) AU2017291825B2 (https=)
BR (1) BR112019000023A2 (https=)
CA (1) CA3025184C (https=)
TW (3) TWI737762B (https=)
WO (1) WO2018009595A1 (https=)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102273756B1 (ko) * 2016-01-13 2021-07-06 엘지전자 주식회사 무선 통신 시스템에서 무선 신호 송수신 방법 및 장치
CN114285539B (zh) * 2016-04-01 2024-04-02 摩托罗拉移动有限责任公司 以减少的延迟调度上行链路传输的方法和设备
US10314037B2 (en) 2016-07-08 2019-06-04 Qualcomm Incorporated Latency reduction techniques in wireless communications
US10348472B2 (en) * 2016-07-25 2019-07-09 Telefonaktiebolaget Lm Ericsson (Publ) Determination of feedback timing
US11239975B2 (en) 2016-08-09 2022-02-01 Sharp Kabushiki Kaisha Terminal apparatus, base station apparatus, communication method, and integrated circuit
WO2018031704A1 (en) * 2016-08-10 2018-02-15 Interdigital Patent Holdings, Inc. Timing advance and processing capabilities in a reduced latency system
EP3288207B1 (en) * 2016-08-19 2020-10-07 HTC Corporation Communication device and base station
KR20190054054A (ko) * 2016-09-22 2019-05-21 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 통신 방법 및 통신 장치
US10154466B2 (en) * 2016-09-24 2018-12-11 Ofinno Technologies, Llc Power headroom transmission in a licensed assisted access cell
JP6846513B2 (ja) * 2016-09-30 2021-03-24 テレフオンアクチーボラゲット エルエム エリクソン(パブル) Harqタイミング構成の同期制御のためのシステムおよび方法
US11575486B2 (en) 2016-09-30 2023-02-07 Motorola Mobility Llc Method and apparatus for reporting channel state information
CN107888343A (zh) * 2016-09-30 2018-04-06 中兴通讯股份有限公司 一种上行控制信息发送方法、装置及终端
US10932240B2 (en) * 2016-11-01 2021-02-23 Lg Electronics Inc. Method for transmitting SR in wireless communication system and terminal therefor
KR102706395B1 (ko) * 2016-12-06 2024-09-13 삼성전자주식회사 무선 셀룰라 통신 시스템에서 하향링크 제어신호 복호 방법 및 장치
JP2020107918A (ja) * 2017-04-21 2020-07-09 シャープ株式会社 端末装置、基地局装置、通信方法、および、集積回路
CN116346292A (zh) * 2017-06-16 2023-06-27 摩托罗拉移动有限责任公司 传递上行链路信道的方法和装置
CN109151983B (zh) * 2017-06-16 2021-01-29 华为技术有限公司 一种信息的发送方法、接收方法和网络设备以及终端设备
US11528736B2 (en) * 2017-09-15 2022-12-13 Cable Television Laboratories, Inc. Systems and methods for coordinated access point scheduling
EP3711417B1 (en) * 2017-11-16 2023-10-11 Telefonaktiebolaget LM Ericsson (Publ) Feedback signaling processes for radio access networks
US11469858B2 (en) * 2017-11-17 2022-10-11 Beijing Xiaomi Mobile Software Co., Ltd. Hybrid automatic repeat request feedback indication and feedback method, device, and base station
WO2019140671A1 (en) * 2018-01-20 2019-07-25 Qualcomm Incorporated Reference resource indication techniques in wireless communications
TWI818345B (zh) * 2018-03-01 2023-10-11 大陸商大唐移動通信設備有限公司 一種調度請求sr傳輸方法及相關設備
US10779276B2 (en) * 2018-03-30 2020-09-15 Apple Inc. Self-contained slot and slot duration configuration in NR systems
WO2020009509A1 (ko) 2018-07-04 2020-01-09 엘지전자 주식회사 무선 통신 시스템에서 상향링크 전송을 수행하기 위한 방법 및 이를 위한 장치
US11096132B2 (en) * 2018-07-26 2021-08-17 Mediatek Singapore Pte. Ltd. Joint sounding for multi-user communication in multi-AP WLAN
CN110830173B (zh) 2018-08-08 2020-09-15 展讯通信(上海)有限公司 Pucch与pdsch之间的时间差的指示方法、基站及可读介质
CN110830214B (zh) * 2018-08-10 2021-02-05 华为技术有限公司 用于发送srs的方法和装置
WO2020087462A1 (zh) * 2018-11-01 2020-05-07 北京小米移动软件有限公司 资源位置确定方法、装置、基站及存储介质
US12218761B2 (en) * 2018-11-02 2025-02-04 Qualcomm Incorporated Hybrid automatic repeat request feedback for low latency transmissions
WO2020034575A1 (en) * 2019-01-11 2020-02-20 Zte Corporation High reliability radio communications
US11419169B2 (en) * 2019-03-21 2022-08-16 Qualcomm Incorporated Uplink power control for dual connectivity
CN111756661B (zh) * 2019-03-29 2021-10-22 华为技术有限公司 通信方法、装置、系统和存储介质
EP4510481A3 (en) 2019-05-02 2025-05-07 Wilus Institute of Standards and Technology Inc. Method, device, and system for downlink data reception and harq-ack transmission in wireless communication system
US11616528B2 (en) * 2019-05-03 2023-03-28 Qualcomm Incorporated Techniques for wireless communications using preconfigured uplink resources
WO2020237425A1 (en) 2019-05-24 2020-12-03 Qualcomm Incorporated Scheduling for improved throughput in enhanced machine-type communication
CN111836396B (zh) * 2019-08-06 2022-02-08 维沃移动通信有限公司 一种随机接入请求资源的选择方法、终端及网络设备
US11350444B2 (en) * 2019-08-12 2022-05-31 Qualcomm Incorporated Uplink roundtrip times for dual connectivity
TW202516879A (zh) 2019-08-17 2025-04-16 南韓商韋勒斯標準與技術協會公司 無線通訊系統中的使用者設備及由無線通訊系統中的使用者設備執行的方法
US11838907B2 (en) * 2020-02-04 2023-12-05 Qualcomm Incorporated Simultaneous feedback information and uplink shared channel transmissions
US11570809B2 (en) * 2020-03-06 2023-01-31 Qualcomm Incorporated Compact downlink control information for a two-step random access channel procedure
EP4140073A4 (en) * 2020-04-21 2024-01-24 Qualcomm Incorporated IMPROVED CG-UL TRANSMISSION VIA PUSH
US11546935B2 (en) 2020-04-29 2023-01-03 Qualcomm Incorporated Feedback for multiple downlink transmissions
JP7470386B2 (ja) * 2020-06-08 2024-04-18 株式会社大一商会 遊技機
US11662219B2 (en) * 2020-06-23 2023-05-30 Baidu Usa Llc Routing based lane guidance system under traffic cone situation
US12206500B2 (en) 2020-07-07 2025-01-21 Qualcomm Incorporated Efficient turbo hybrid automatic repeat request feedback reporting
US11728922B2 (en) * 2020-07-27 2023-08-15 Samsung Electronics Co., Ltd. Method and apparatus for determination of uplink/downlink transport block size and modulation and coding scheme
JP2022099999A (ja) * 2020-12-23 2022-07-05 株式会社デンソー 基地局及びユーザ機器
EP4210232A4 (en) 2021-02-08 2024-03-06 Samsung Electronics Co., Ltd. ELECTRONIC DEVICE FOR MANAGING THE CAPACITY OF USER EQUIPMENT AND ITS OPERATING METHOD
EP4309322A1 (en) * 2021-03-16 2024-01-24 Ntt Docomo, Inc. Methods of enhancing triggering flexibility of aperiodic sounding reference signal
CN117413591A (zh) * 2021-09-30 2024-01-16 Oppo广东移动通信有限公司 无线通信的方法、终端设备和网络设备
US12604312B2 (en) * 2021-12-03 2026-04-14 Samsung Electronics Co., Ltd. Methods and apparatuses for transmission timing using a transmission timing configuration in full-duplex systems
US20230180166A1 (en) * 2021-12-08 2023-06-08 Samsung Electronics Co., Ltd. Method and apparatus for transmission timing using timing advance in full-duplex systems
US12501379B2 (en) * 2021-12-28 2025-12-16 Samsung Electronics Co., Ltd. Transmission timing in full-duplex systems

Family Cites Families (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101494841B1 (ko) * 2008-02-04 2015-02-23 삼성전자주식회사 무선통신 시스템에서 상향링크 피드백의 오버헤드를 줄이기위한 자원할당 방법 및 장치
JP4511611B2 (ja) * 2008-05-29 2010-07-28 株式会社エヌ・ティ・ティ・ドコモ 無線リソース選択方法、無線基地局及び移動局
JP5456037B2 (ja) * 2009-06-02 2014-03-26 パナソニック株式会社 端末装置及び通信方法、並びに集積回路
KR101818693B1 (ko) * 2009-11-19 2018-01-16 인터디지탈 패튼 홀딩스, 인크 다중-반송파 시스템에서의 요소 반송파 활성화/비활성화
WO2011083746A1 (en) * 2010-01-08 2011-07-14 Sharp Kabushiki Kaisha Mobile communication method and system for sounding reference signal transmission, and base station, user equipment and integrated circuit therein
US20140036859A1 (en) * 2010-01-11 2014-02-06 Texas Instruments Incorporated Methods to Increase Sounding Capacity for LTE-Advanced Systems
JP5610861B2 (ja) * 2010-06-10 2014-10-22 シャープ株式会社 移動局装置、基地局装置、無線通信システム、無線通信方法および集積回路
WO2012022368A1 (en) * 2010-08-16 2012-02-23 Nokia Siemens Networks Oy Transmission of reference signals
JP5789668B2 (ja) * 2010-09-30 2015-10-07 パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカPanasonic Intellectual Property Corporation of America 複数のアップリンク・コンポーネント・キャリアに関するタイミング・アドバンス構成
KR102164699B1 (ko) * 2010-12-06 2020-10-13 인터디지탈 패튼 홀딩스, 인크 허가 면제 스펙트럼에서의 무선 동작을 가능케 하는 방법
KR101853914B1 (ko) * 2010-12-21 2018-05-02 엘지전자 주식회사 셀간 간섭을 완화하는 방법 및 이를 위한 장치
WO2013017154A1 (en) * 2011-07-29 2013-02-07 Fujitsu Limited Control channel for wireless communication
US9306638B2 (en) * 2011-08-25 2016-04-05 Qualcomm Incorporated Backhaul enhancements for cooperative multi-point (CoMP) operations
WO2013048332A2 (en) * 2011-09-30 2013-04-04 Telefonaktiebolaget L M Ericsson (Publ) Determining a point in time for transmissions
WO2013055152A1 (en) * 2011-10-12 2013-04-18 Samsung Electronics Co., Ltd. Method and apparatus for transmitting and receiving feedback information in a mobile communication system
EP2795825A1 (en) 2011-12-21 2014-10-29 Nokia Solutions and Networks Oy Method, apparatus and computer program for providing sounding reference signals for coordinated multipoint transmissions
CN103220704B (zh) * 2012-01-21 2019-02-26 华为技术有限公司 无线通信系统中测量增强的方法和装置
JP2013236289A (ja) * 2012-05-10 2013-11-21 Sharp Corp 端末、基地局、通信方法および集積回路
US8923792B2 (en) * 2012-07-05 2014-12-30 Lg Electronics Inc. Method for receiving radio signal and device therefor
CN104685955B (zh) * 2012-09-28 2019-02-01 Lg电子株式会社 上行链路传输方法和上行链路传输装置
US10165512B2 (en) * 2012-10-09 2018-12-25 Apple Inc. Dynamic wireless circuitry configuration for carrier aggregation component carriers
WO2014113095A1 (en) 2013-01-17 2014-07-24 Intel Corporation Dynamic configuration of uplink (ul) and downlink (dl) frame resources for a time division duplex (tdd) transmission
US9949284B2 (en) * 2013-01-18 2018-04-17 Mediatek Singapore Pte. Ltd. Methods for determining signaling timing and scheduling timing in determining uplink and downlink reconfiguration, and user equipment
US10201005B2 (en) * 2013-03-13 2019-02-05 Lg Electronics Inc. Method for transmitting and receiving control channel and device therefor
WO2014163573A1 (en) * 2013-04-05 2014-10-09 Telefonaktiebolaget L M Ericsson (Publ) User equipment, network node, and methods for managing an extended discontinuous reception cycle mode
CN104158620B (zh) * 2013-05-13 2019-03-12 中兴通讯股份有限公司 一种控制信息的传输方法及发送、接收装置
US9900142B2 (en) * 2013-06-26 2018-02-20 Lg Electronics Inc. Method and apparatus for FDD/TDD intra-node and inter-node carrier aggregation
GB2516975B (en) * 2013-08-09 2016-02-10 Broadcom Corp Method and apparatus for a user equipment
DK3036856T3 (da) * 2013-08-23 2019-11-04 Ericsson Telefon Ab L M Knude og fremgangsmåde til uplink-planlægning og til timing af hybrid automatisk gentagelsesanmodning
WO2015045731A1 (ja) 2013-09-26 2015-04-02 シャープ株式会社 端末装置、基地局装置、集積回路、および、通信方法
WO2015042870A1 (en) * 2013-09-27 2015-04-02 Qualcomm Incorporated Csi reporting for lte-tdd eimta
US10098143B2 (en) * 2013-11-08 2018-10-09 Sharp Kabushiki Kaisha Terminal device, base station apparatus, communication method, and integrated circuit
EP3089530B1 (en) * 2013-12-26 2019-01-02 Sharp Kabushiki Kaisha Terminal device, base station device, and communication method
US9967878B2 (en) * 2014-01-15 2018-05-08 Sharp Kabushiki Kaisha Terminal device, base station apparatus, integrated circuit, and communication method
KR20150090727A (ko) * 2014-01-29 2015-08-06 삼성전자주식회사 주파수 집적 시스템에서 제어 채널 전송장치 및 방법
CN106416404B (zh) * 2014-01-30 2020-01-14 夏普株式会社 终端装置、基站装置以及通信方法
US20150230194A1 (en) * 2014-02-10 2015-08-13 Qualcomm Incorporated Uplink timing adjustment for wireless communication
JP2017085188A (ja) * 2014-03-13 2017-05-18 シャープ株式会社 端末装置、基地局装置および通信方法
CN105099603B (zh) * 2014-04-28 2020-07-10 北京三星通信技术研究有限公司 一种信道状态信息的汇报方法及装置
EP3145262A4 (en) * 2014-05-16 2017-04-26 Sharp Kabushiki Kaisha Terminal device, integrated circuit, and radio communication method
EP2983425B1 (en) * 2014-08-08 2019-03-06 Panasonic Intellectual Property Corporation of America D2D Data Transmission - Timing Advance for Idle Mode UE
US10064165B2 (en) * 2014-10-03 2018-08-28 Qualcomm Incorporated Downlink and uplink channel with low latency
EP3525384B1 (en) * 2014-10-30 2021-03-24 LG Electronics Inc. Pucch transmission method by wireless device
US9781640B2 (en) * 2014-11-20 2017-10-03 Nokia Solutions And Networks Oy Method to optimize PCI confusion detection and resolution
WO2016163831A1 (ko) * 2015-04-09 2016-10-13 삼성전자 주식회사 비면허 대역을 사용하는 통신시스템에서 주파수 재사용을 위한 lbt 기법
US10342004B2 (en) * 2015-04-24 2019-07-02 Sharp Kabushiki Kaisha Terminal device, base station device, integrated circuit, and communication method for communicating DCI format which includes HARQ information
US10225859B2 (en) * 2015-05-14 2019-03-05 Qualcomm Incorporated Techniques for uplink transmission management
US9949169B2 (en) * 2015-05-22 2018-04-17 Qualcomm Incorporated Control flow enhancements for LTE-unlicensed
US10200904B2 (en) * 2015-06-24 2019-02-05 Qualcomm Incorporated Techniques for transmitting on multiple carriers of a shared radio frequency spectrum band
US10028151B2 (en) * 2015-08-07 2018-07-17 Cisco Technology, Inc. Uplink channel access, reservation and data transmission for licensed assist access long term evolution (LAA-LTE)
US10439698B2 (en) * 2015-08-21 2019-10-08 Lg Electronics Inc. Channel state reporting method in wireless communication system and device for same
DE102015115754A1 (de) * 2015-09-18 2017-03-23 Intel IP Corporation Funkempfänger und Verfahren zum Verarbeiten eines Uplink-Transportblocks
CN108141413B (zh) * 2015-10-30 2022-03-15 英特尔公司 针对无线数据传输的延迟减少
ES2773029T3 (es) * 2015-11-03 2020-07-09 Lg Electronics Inc Método para transmitir un canal de control de enlace ascendente en un sistema de comunicación inalámbrico y dispositivo para el mismo
US10841046B2 (en) * 2015-11-05 2020-11-17 Lg Electronics Inc. Method for signal transmission, and apparatus therefor
US10129906B2 (en) * 2016-03-01 2018-11-13 Samsung Electronics Co., Ltd. Partial port hybrid CSI feedback for MIMO wireless communication systems
JP6726761B2 (ja) * 2016-03-31 2020-07-22 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカPanasonic Intellectual Property Corporation of America 待ち時間削減のためのスペシャルサブフレーム設定
ES2914649T3 (es) 2016-04-01 2022-06-15 Huawei Tech Co Ltd Sistema y método de conmutación, transmisión y mejoras SRS
JP6805541B2 (ja) * 2016-05-11 2020-12-23 ソニー株式会社 端末装置、通信方法
US11044711B2 (en) * 2016-06-16 2021-06-22 Panasonic Intellectual Property Corporation Of America Base station, terminal, and communication method
US10314037B2 (en) 2016-07-08 2019-06-04 Qualcomm Incorporated Latency reduction techniques in wireless communications
CN106231677B (zh) * 2016-07-29 2020-01-10 宇龙计算机通信科技(深圳)有限公司 一种通信的方法及基站
EP3282749B1 (en) * 2016-08-11 2019-12-11 Nokia Technologies Oy Apparatus and method of signalling support for reduced latency operation and computer program therefor
JP6846513B2 (ja) * 2016-09-30 2021-03-24 テレフオンアクチーボラゲット エルエム エリクソン(パブル) Harqタイミング構成の同期制御のためのシステムおよび方法
US10397915B2 (en) * 2016-11-09 2019-08-27 Qualcomm Incorporated Latency reduction in shared or unlicensed spectrum
WO2018120120A1 (en) * 2016-12-30 2018-07-05 Motorola Mobility Llc Communication configuration selection
CN110249696A (zh) * 2017-01-26 2019-09-17 摩托罗拉移动有限责任公司 资源配置优先级
AU2018256714B2 (en) * 2017-04-27 2020-04-16 Lg Electronics Inc. Method for transmitting SRS and terminal therefor
US20180367262A1 (en) * 2017-06-14 2018-12-20 Mediatek Inc. Techniques of transmitting harq-ack feedback by user equipment
US11317365B2 (en) * 2017-06-16 2022-04-26 Motorola Mobility Llc Apparatuses and methods for determining time delay
CN110830173B (zh) 2018-08-08 2020-09-15 展讯通信(上海)有限公司 Pucch与pdsch之间的时间差的指示方法、基站及可读介质

Similar Documents

Publication Publication Date Title
JP2019521601A5 (https=)
US11863482B2 (en) Method and apparatus for signaling aperiodic channel state indication reference signals for LTE operation
US11956786B2 (en) Contention-based physical uplink shared channel
US10028267B2 (en) Method and apparatus for signaling aperiodic channel state indication reference signals for LTE operation
US10454632B2 (en) Method and apparatus for hybrid automatic repeat request transmission
US9345044B2 (en) Method and apparatus for processing information
US20220385411A1 (en) Method and apparatus for reducing one-shot hybrid automatic repeat request-acknowledgement (harq-ack) codebook size
US20180115965A1 (en) User terminal, radio base station, radio communication system and radio communication method
US20210176017A1 (en) HARQ Feedback Method And Apparatus
US20130010746A1 (en) Dynamic allocation of communication resources in a wireless system
US20140204800A1 (en) Buffer status indication in wireless communication
CN103636270B (zh) 一种调度下行数据传输的方法和装置
US20210243781A1 (en) Method and apparatus for flexible transmission on unlicensed spectrum
CN108141855A (zh) 用于执行上行链路传输和接收的方法和装置
CN114175542B (zh) 通信方法以及通信装置
US11424872B2 (en) HARQ PID signaling for SPS UL
CN118104358A (zh) 用于harq-ack码本确定的方法及设备
KR20170112633A (ko) 비면허 스펙트럼에서 상향링크 제어 채널 전송과 사운딩 참조신호 전송을 멀티플렉싱하는 방법 및 장치