JP6789113B2 - デバイスツーデバイス通信方法及び装置 - Google Patents

デバイスツーデバイス通信方法及び装置 Download PDF

Info

Publication number
JP6789113B2
JP6789113B2 JP2016523656A JP2016523656A JP6789113B2 JP 6789113 B2 JP6789113 B2 JP 6789113B2 JP 2016523656 A JP2016523656 A JP 2016523656A JP 2016523656 A JP2016523656 A JP 2016523656A JP 6789113 B2 JP6789113 B2 JP 6789113B2
Authority
JP
Japan
Prior art keywords
communication
resource
enb
rnti
index
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.)
Active
Application number
JP2016523656A
Other languages
English (en)
Japanese (ja)
Other versions
JP2016531463A (ja
Inventor
アニル・アギワル
ヨン−ビン・チャン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of JP2016531463A publication Critical patent/JP2016531463A/ja
Application granted granted Critical
Publication of JP6789113B2 publication Critical patent/JP6789113B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/25—Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0278—Traffic management, e.g. flow control or congestion control using buffer status reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/26—Resource reservation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H04W72/231—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/18—Interfaces between hierarchically similar devices between terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)
  • Telephonic Communication Services (AREA)
JP2016523656A 2013-06-28 2014-06-30 デバイスツーデバイス通信方法及び装置 Active JP6789113B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
IN782/KOL/2013 2013-06-28
IN782KO2013 2013-06-28
KR10-2014-0079486 2014-06-27
KR1020140079486A KR102237199B1 (ko) 2013-06-28 2014-06-27 디바이스-투-디바이스 통신 방법 및 장치
PCT/KR2014/005782 WO2014209077A1 (en) 2013-06-28 2014-06-30 Method and apparatus for performing device-to-device communication

Publications (2)

Publication Number Publication Date
JP2016531463A JP2016531463A (ja) 2016-10-06
JP6789113B2 true JP6789113B2 (ja) 2020-11-25

Family

ID=52475877

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016523656A Active JP6789113B2 (ja) 2013-06-28 2014-06-30 デバイスツーデバイス通信方法及び装置

Country Status (9)

Country Link
US (1) US10111267B2 (enEXAMPLES)
EP (1) EP3014940B1 (enEXAMPLES)
JP (1) JP6789113B2 (enEXAMPLES)
KR (1) KR102237199B1 (enEXAMPLES)
CN (1) CN105453675B (enEXAMPLES)
AU (1) AU2014299437B2 (enEXAMPLES)
CA (1) CA2916956C (enEXAMPLES)
IN (1) IN2014KO00714A (enEXAMPLES)
WO (1) WO2014209077A1 (enEXAMPLES)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6501776B2 (ja) 2013-08-07 2019-04-17 サムスン エレクトロニクス カンパニー リミテッド 無線通信システムにおけるリソース割り当て情報を送受信する方法及び装置
EP3042524B1 (en) * 2013-09-06 2018-12-26 Telefonaktiebolaget LM Ericsson (publ) Cluster-based resource allocation for vehicle-to-vehicle communication
US10117224B2 (en) * 2013-09-20 2018-10-30 Qualcomm Incorporated MAC subheader for D2D broadcast communication for public safety
US10681754B2 (en) 2013-09-24 2020-06-09 Samsung Electronics Co., Ltd. Apparatus and method for establishing network controlled direct connection in communication system supporting device to device scheme
CN104581854B (zh) * 2013-10-16 2019-07-12 中兴通讯股份有限公司 一种无线连接方法和装置
JP6183148B2 (ja) * 2013-10-24 2017-08-23 富士通株式会社 通信端末装置、通信制御システムおよび通信制御方法
CN104640056B (zh) 2013-11-07 2021-08-17 中兴通讯股份有限公司 一种控制节点选取及分配资源的方法和装置
WO2015109569A1 (zh) * 2014-01-26 2015-07-30 华为技术有限公司 资源配置方法和装置
US9883513B2 (en) * 2014-03-19 2018-01-30 Qualcomm Incorporated Scheduling of device-to-device scheduling assignment for mode1
US9888509B2 (en) * 2014-07-16 2018-02-06 Innovative Sonic Corporation Method and apparatus for performing a random access (RA) procedure for device to-device (D2D) service in a wireless communication system
WO2016017373A1 (ja) * 2014-07-31 2016-02-04 シャープ株式会社 端末装置、制御方法および集積回路
US10057918B2 (en) 2014-08-08 2018-08-21 Telefonaktiebolaget Lm Ericsson (Publ) Coordination between prose BSR and cellular BSR
US10231111B2 (en) * 2014-10-03 2019-03-12 Daniel Ursitti System and method for establishing a user connection
US9706519B2 (en) * 2014-10-03 2017-07-11 Daniel Ursitti System and method for establishing a user connection
WO2016061823A1 (zh) * 2014-10-24 2016-04-28 富士通株式会社 缓存状态报告的触发方法、装置以及通信系统
ES2913054T3 (es) * 2014-12-19 2022-05-31 Nokia Solutions & Networks Oy Control de servicios de comunicación dispositivo a dispositivo de servicios de proximidad
KR101992551B1 (ko) 2015-01-26 2019-06-24 후지쯔 가부시끼가이샤 버퍼 상태 보고 처리 방법과 장치, 및 통신 시스템
KR20170121263A (ko) * 2015-03-19 2017-11-01 후아웨이 테크놀러지 컴퍼니 리미티드 Ｄ2ｄ 통신 방법 및 장치
US10462670B2 (en) * 2015-03-30 2019-10-29 Nec Corporation Radio terminal apparatus and method therefor
US10462692B2 (en) * 2015-04-17 2019-10-29 Lg Electronics Inc. Method and apparatus for measuring D2D signal or selecting relay in wireless communication system
CN107534958B (zh) * 2015-05-11 2020-10-27 华为技术有限公司 信号传输方法、基站及用户设备
CN107852725B (zh) * 2015-08-11 2020-02-14 华为技术有限公司 一种分配资源的方法、装置及设备
WO2017048100A1 (ko) 2015-09-17 2017-03-23 엘지전자 주식회사 무선 통신 시스템에서 v2x 단말의 메시지 송수신 방법 및 장치
KR102459543B1 (ko) * 2015-10-16 2022-10-27 삼성전자주식회사 무선 통신 시스템에서 웨어러블 디바이스를 위한 통신 방법 및 장치
WO2017077625A1 (ja) * 2015-11-05 2017-05-11 富士通株式会社 通信装置および無線通信方法
EP3331294B1 (en) * 2015-11-13 2023-03-01 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method of allocating radio resource and device utilizing same
FR3044499B1 (fr) * 2015-11-26 2017-12-15 Commissariat Energie Atomique Methode d'etablissement d'une communication securisee de bout en bout entre le terminal d'un utilisateur et un objet connecte
JP6907221B2 (ja) * 2016-02-05 2021-07-21 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． 通信リソース割当方法および装置、端末装置、基地局、ならびに通信システム
US10194459B2 (en) * 2016-02-18 2019-01-29 Lg Electronics Inc. Method of transmitting and receiving message for communication between UEs in wireless communication system and apparatus using method
US9854611B2 (en) * 2016-03-31 2017-12-26 Lenovo (Singapore) Pte. Ltd. Group network acquisition
CN106792430B (zh) * 2016-05-13 2018-11-27 北京展讯高科通信技术有限公司 一种近距离业务单播通信方法及装置
EP3445087B1 (en) * 2016-06-22 2022-05-18 Huawei Technologies Co., Ltd. Method and device for changing communication path
CN107734548A (zh) * 2016-08-11 2018-02-23 中兴通讯股份有限公司 V2x通信的信道发送方法及装置
EP4164323B1 (en) * 2016-09-30 2024-08-28 Huawei Technologies Co., Ltd. Data transmission method, device, and system
RU2738825C1 (ru) * 2017-01-04 2020-12-17 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Управление доступом для сегментов сети системы беспроводной связи
US11219054B2 (en) * 2017-05-05 2022-01-04 Qualcomm Incorporated Relaying in a device-to-device communication system
US10912114B2 (en) 2017-05-05 2021-02-02 Qualcomm Incorporated Relaying in a device-to-device communication system
US10893557B2 (en) 2017-05-05 2021-01-12 Qualcomm Incorporated Relaying in a device-to-device communication system
GB2571250B (en) * 2018-01-17 2021-11-03 Canon Kk Method and apparatus for reporting quantity of data for direct-link transmission in a wireless network
EP3780902B1 (en) 2018-05-08 2022-09-14 LG Electronics Inc. Method for transmitting v2x data in wireless communication system, and device therefor
JP7573445B2 (ja) 2018-06-28 2024-10-25 インターデイジタル パテント ホールディングス インコーポレイテッド 新無線車両サイドリンク共有チャネルデータ送信のためのサイドリンクバッファステータスレポートおよびスケジューリング要求
GB2575329B (en) * 2018-07-06 2021-02-17 Canon Kk Unique direct link session ID to drive stations in a wireless network
GB2575481B (en) * 2018-07-11 2020-07-15 Canon Kk Acknowledgement of direct link and downlink transmissions in trigger-based multi-user transmissions
CN118890706A (zh) 2018-09-18 2024-11-01 三星电子株式会社 用于车辆对一切通信的资源分配和带宽部分非活动定时器处理的方法和装置
CN111615219B (zh) * 2019-04-30 2022-02-22 维沃移动通信有限公司 一种pc5链路建立方法、设备及系统
EP4070615B1 (en) 2020-01-10 2024-05-15 Samsung Electronics Co., Ltd. Apparatus and method of random access procedure
US20230232237A1 (en) * 2020-08-31 2023-07-20 Alejandro Kauffmann Home Toy Magic Wand Management Platform Interacting with Toy Magic Wands of Visitors
CN114208233A (zh) * 2021-10-21 2022-03-18 北京小米移动软件有限公司 一种直连通信方法、装置及存储介质
IT202300006693A1 (it) 2023-04-05 2024-10-05 Paolo Gobbi Frattini S R L “Metodo per la preparazione di un innesto di tessuto adiposo”

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101562894B (zh) * 2008-04-26 2010-10-20 华为技术有限公司 一种缓冲区状态报告的发送方法及其设备
WO2009138820A1 (en) 2008-05-15 2009-11-19 Nokia Corporation Methods, apparatuses and computer program products for providing coordination of device to device communication
JPWO2010113490A1 (ja) * 2009-03-31 2012-10-04 パナソニック株式会社 無線通信装置、無線通信基地局、及び無線通信システム
CN101873642A (zh) 2009-04-24 2010-10-27 大唐移动通信设备有限公司 一种中继节点传输缓存状态报告的方法和装置
CN102714861B (zh) 2010-01-19 2016-03-30 诺基亚技术有限公司 演进型节点b控制的用于设备到设备和蜂窝用户的集中式资源重用
US8588803B2 (en) 2010-06-18 2013-11-19 Nokia Corporation Method and apparatus for resource scheduling for network controlled D2D communications
US8792900B2 (en) 2010-09-23 2014-07-29 Nokia Corporation Autonomous unlicensed band reuse in mixed cellular and device-to-device network
US8744458B2 (en) 2010-11-19 2014-06-03 Nokia Corporation Signaling mixed resource allocations for D2D communications
WO2012091420A2 (ko) * 2010-12-27 2012-07-05 한국전자통신연구원 단말간 직접 연결 통신 및 단말 릴레잉을 위한 디바이스 대 디바이스 링크의 연결 설정 및 스케쥴링 방법
US9775135B2 (en) 2011-03-18 2017-09-26 Lg Electronics Inc. Method and device for communicating device-to-device
CN108419273B (zh) 2011-06-01 2021-06-08 株式会社Ntt都科摩 移动通信中的增强的本地接入
CN103037359A (zh) 2011-09-30 2013-04-10 华为技术有限公司 一种实现设备到设备的通讯方法、终端及系统
CN104012013B (zh) 2011-10-24 2018-01-23 Lg电子株式会社 一种在无线通信系统中发送信号的d2d（设备对设备）设备以及发送信号方法
WO2013062351A1 (ko) 2011-10-26 2013-05-02 엘지전자 주식회사 무선통신 시스템에서 셀 간 d2d 통신을 수행하는 방법 및 이를 위한 장치
CN103139764B (zh) 2011-12-01 2015-09-09 华为技术有限公司 业务调度方法及装置
KR20130065373A (ko) 2011-12-09 2013-06-19 한국전자통신연구원 Ｄ２ｄ 그룹 통신 방법 및 이를 이용하는 단말 장치
KR20130065193A (ko) * 2011-12-09 2013-06-19 한국전자통신연구원 셀룰러 이동 통신 시스템 기반 단말간 직접 통신 방법
US9560685B2 (en) * 2012-04-20 2017-01-31 Lg Electronics Inc. Method and device for transmitting D2D data in wireless communication system
WO2013183728A1 (ja) * 2012-06-06 2013-12-12 京セラ株式会社 通信制御方法、ユーザ端末、プロセッサ、及び記憶媒体
US9544099B2 (en) * 2012-07-02 2017-01-10 Intel Corporation User equipment, evolved node B, and method for multicast device-to-device communications
US9154267B2 (en) * 2012-07-02 2015-10-06 Intel Corporation Sounding reference signal (SRS) mechanism for intracell device-to-device (D2D) communication
US9503837B2 (en) 2012-10-08 2016-11-22 Lg Electronics Inc. Method and apparatus for performing HARQ process in wireless communication system
KR102010807B1 (ko) 2012-12-06 2019-08-14 삼성전자 주식회사 단말 대 단말 통신에서 정보를 교환하는 방법 및 장치
IN2015DN03775A (enEXAMPLES) * 2012-12-12 2015-10-02 Ericsson Telefon Ab L M

Also Published As

Publication number Publication date
AU2014299437B2 (en) 2018-05-17
WO2014209077A1 (en) 2014-12-31
CN105453675B (zh) 2020-03-13
AU2014299437A2 (en) 2016-03-10
EP3014940B1 (en) 2019-09-11
KR20150002521A (ko) 2015-01-07
AU2014299437A1 (en) 2016-02-18
JP2016531463A (ja) 2016-10-06
CA2916956C (en) 2022-04-05
CA2916956A1 (en) 2014-12-31
CN105453675A (zh) 2016-03-30
EP3014940A4 (en) 2016-12-21
IN2014KO00714A (enEXAMPLES) 2015-10-16
KR102237199B1 (ko) 2021-04-07
US10111267B2 (en) 2018-10-23
US20150004901A1 (en) 2015-01-01
EP3014940A1 (en) 2016-05-04

Similar Documents

Publication Publication Date Title
JP6789113B2 (ja) デバイスツーデバイス通信方法及び装置
US11758542B2 (en) Method and apparatus for sidelink communication in wireless communication system
TWI587729B (zh) A method and apparatus for resource allocation
KR101883418B1 (ko) Ｄ2ｄ 통신에서 제어 평면을 위한 시스템 및 방법
EP3745798B1 (en) Resource allocation method, user equipment and computer storage medium
CN104937859B (zh) 具有集群协调的设备到设备通信
CN108307528B (zh) 一种信息传输方法、装置及系统
US9844095B2 (en) Mobile communication system, base station, and user terminal
WO2015139392A1 (zh) 设备到设备通信干扰避免方法和装置
CN104902579B (zh) 一种无线网络通信系统中终端之间直连通信的方法
CN105472740A (zh) 一种设备对设备信息通知的方法、用户终端和基站
KR102207628B1 (ko) 무선 네트워크에서의 디바이스간 직접 통신에서 자원 할당 장치 및 방법
Tsolkas et al. A device discovery scheme for proximity services in LTE networks
WO2016015204A1 (zh) 功率控制方法和装置、参数传输方法和装置、基站和终端
WO2018172603A1 (en) Handling of user equipment identifiers over pc5 interface in pc5-based user equipment to network relay
CN104113913A (zh) 数据传输方法及装置
KR102034160B1 (ko) 통신 링크 식별을 위한 방법 및 장치, 그리고 통신 방법
JP2015019175A (ja) 移動通信システム、ユーザ端末及びネットワーク装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20160217

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20170417

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20180525

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20180611

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20180911

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20181119

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190219

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20190304

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190704

C60 Trial request (containing other claim documents, opposition documents)

Free format text: JAPANESE INTERMEDIATE CODE: C60

Effective date: 20190704

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20190716

C21 Notice of transfer of a case for reconsideration by examiners before appeal proceedings

Free format text: JAPANESE INTERMEDIATE CODE: C21

Effective date: 20190722

A912 Re-examination (zenchi) completed and case transferred to appeal board

Free format text: JAPANESE INTERMEDIATE CODE: A912

Effective date: 20190830

C211 Notice of termination of reconsideration by examiners before appeal proceedings

Free format text: JAPANESE INTERMEDIATE CODE: C211

Effective date: 20190909

C22 Notice of designation (change) of administrative judge

Free format text: JAPANESE INTERMEDIATE CODE: C22

Effective date: 20191223

C22 Notice of designation (change) of administrative judge

Free format text: JAPANESE INTERMEDIATE CODE: C22

Effective date: 20200302

C22 Notice of designation (change) of administrative judge

Free format text: JAPANESE INTERMEDIATE CODE: C22

Effective date: 20200406

C13 Notice of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: C13

Effective date: 20200427

C28A Non-patent document cited

Free format text: JAPANESE INTERMEDIATE CODE: C2838

Effective date: 20200427

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20200727

C22 Notice of designation (change) of administrative judge

Free format text: JAPANESE INTERMEDIATE CODE: C22

Effective date: 20200817

C23 Notice of termination of proceedings

Free format text: JAPANESE INTERMEDIATE CODE: C23

Effective date: 20200831

C03 Trial/appeal decision taken

Free format text: JAPANESE INTERMEDIATE CODE: C03

Effective date: 20201005

C30A Notification sent

Free format text: JAPANESE INTERMEDIATE CODE: C3012

Effective date: 20201005

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20201102

R150 Certificate of patent or registration of utility model

Ref document number: 6789113

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250