JP2020510373A - 無線通信システムにおいてランダムアクセスプリアンブルを送受信する方法及びこのための装置 - Google Patents
無線通信システムにおいてランダムアクセスプリアンブルを送受信する方法及びこのための装置 Download PDFInfo
- Publication number
- JP2020510373A JP2020510373A JP2019552235A JP2019552235A JP2020510373A JP 2020510373 A JP2020510373 A JP 2020510373A JP 2019552235 A JP2019552235 A JP 2019552235A JP 2019552235 A JP2019552235 A JP 2019552235A JP 2020510373 A JP2020510373 A JP 2020510373A
- Authority
- JP
- Japan
- Prior art keywords
- random access
- access preamble
- preamble
- terminal
- base station
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 120
- 238000004891 communication Methods 0.000 title claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims abstract description 69
- 238000013468 resource allocation Methods 0.000 claims description 13
- 238000010586 diagram Methods 0.000 abstract description 21
- 210000004027 cell Anatomy 0.000 description 67
- 230000002776 aggregation Effects 0.000 description 37
- 238000004220 aggregation Methods 0.000 description 37
- 230000004044 response Effects 0.000 description 17
- 230000008569 process Effects 0.000 description 15
- 239000000969 carrier Substances 0.000 description 13
- 230000011664 signaling Effects 0.000 description 13
- 210000004457 myocytus nodalis Anatomy 0.000 description 12
- 230000015654 memory Effects 0.000 description 11
- 230000008859 change Effects 0.000 description 8
- 238000013507 mapping Methods 0.000 description 8
- 125000004122 cyclic group Chemical group 0.000 description 7
- 230000006870 function Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000010295 mobile communication Methods 0.000 description 5
- 101000741965 Homo sapiens Inactive tyrosine-protein kinase PRAG1 Proteins 0.000 description 3
- 101001056707 Homo sapiens Proepiregulin Proteins 0.000 description 3
- 102100038659 Inactive tyrosine-protein kinase PRAG1 Human genes 0.000 description 3
- 102100025498 Proepiregulin Human genes 0.000 description 3
- 238000001994 activation Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 230000004931 aggregating effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 208000017227 ADan amyloidosis Diseases 0.000 description 1
- 201000000194 ITM2B-related cerebral amyloid angiopathy 2 Diseases 0.000 description 1
- 101150071746 Pbsn gene Proteins 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000032823 cell division Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1809—Selective-repeat protocols
-
- 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
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/247—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters where the output power of a terminal is based on a path parameter sent by another terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/32—TPC of broadcast or control channels
- H04W52/325—Power control of control or pilot channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/48—TPC being performed in particular situations during retransmission after error or non-acknowledgment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1896—ARQ related signaling
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
の確率で決定することもできる。
Claims (14)
- 狭帯域モノのインターネット(NarrowBand-Internet of Things、NB−IoT)をサポートする無線通信システムにおいて、端末がランダムアクセスプリアンブル(random access preamble)を送信する方法であって、
基地局から、第1のランダムアクセスプリアンブルに対する第1の設定情報及び第2のランダムアクセスプリアンブルに対する第2の設定情報を受信する過程と、
前記第1の設定情報を利用して、前記基地局に前記第1のランダムアクセスプリアンブルを送信する過程と、
前記第1のランダムアクセスプリアンブルの送信が予め設定された基準(criterion)を満たす場合、前記第2の設定情報に基づいて、前記基地局に前記第2のランダムアクセスプリアンブルを送信する過程と、を有し、
前記第1のランダムアクセスプリアンブル及び前記第2のランダムアクセスプリアンブルのうちのいずれか1つは、全ての要素(element)が1に設定されなかったシーケンスに基づいて生成される、方法。 - 前記予め設定された基準は、前記第1のランダムアクセスプリアンブルの送信に対する再送信回数(retransmission number)に基づいて設定される、請求項1に記載の方法。
- 前記第1のランダムアクセスプリアンブルの特定の再送信回数(specific retransmission number)に関する情報は、前記第1の設定情報に有され、
前記第2のランダムアクセスプリアンブルは、前記第1のランダムアクセスプリアンブルが前記特定の再送信回数の分だけ再送信された後に送信される、請求項2に記載の方法。 - 前記第1のランダムアクセスプリアンブルは、前記特定の再送信回数の分だけパワーランピング(power ramping)を行い、前記特定の再送信回数の分だけ送信され、
前記第2のランダムアクセスプリアンブルは、前記特定の再送信回数の分だけパワーランピングされた送信電力で送信される、請求項3に記載の方法。 - 前記第1のランダムアクセスプリアンブルは、前記特定の再送信回数の分だけパワーランピングされ、前記特定の再送信回数の分だけ送信され、
前記第2のランダムアクセスプリアンブルは、予め設定された初期送信電力(initial transmission power)で送信される、請求項3に記載の方法。 - 前記特定の再送信回数は、前記第1のランダムアクセスプリアンブルの送信に対して予め設定された最大試行回数(maximum attempt number)である、請求項3に記載の方法。
- 前記第1の設定情報が表すリソース割当領域は、前記第2の設定情報が表すリソース割当領域と重ならない、請求項1に記載の方法。
- 前記第2の設定情報は、前記第1の設定情報の部分集合(subset)として設定される、請求項1に記載の方法。
- 前記第1のランダムアクセスプリアンブルは、全ての要素が1に設定されたシーケンスでスクランブル(scrambling)されて生成され、
前記第2のランダムアクセスプリアンブルは、全ての要素が1に設定されなかったシーケンスでスクランブルされて生成され、
前記第1のランダムアクセスプリアンブルは、デフォルト(default)ランダムアクセスプリアンブルとして設定される、請求項1に記載の方法。 - 前記基地局から、前記基地局が前記第1のランダムアクセスプリアンブル及び前記第2のランダムアクセスプリアンブルをサポートするか否かを表すプリアンブルサポート設定情報(preamble support configuration information)を受信する過程をさらに有する、請求項1に記載の方法。
- 前記プリアンブルサポート設定情報は、前記端末がランダムアクセス手順で用いるプリアンブルを表す情報をさらに有する、請求項10に記載の方法。
- 狭帯域モノのインターネット(NarrowBand-Internet of Things、NB−IoT)をサポートする無線通信システムにおいて、ランダムアクセスプリアンブル(random access preamble)を送信する端末であって、
無線信号を送受信するRF(Radio Frequency)ユニットと、
前記RFユニットと機能的に接続されたプロセッサと、を備え、
前記プロセッサは、
基地局から、第1のランダムアクセスプリアンブルに対する第1の設定情報及び第2のランダムアクセスプリアンブルに対する第2の設定情報を受信し、
前記第1の設定情報を利用して、前記基地局に前記第1のランダムアクセスプリアンブルを送信し、
前記第1のランダムアクセスプリアンブルの送信が予め設定された基準(criterion)を満たす場合、前記第2の設定情報に基づいて、前記基地局に前記第2のランダムアクセスプリアンブルを送信するように設定され、
前記第1のランダムアクセスプリアンブル及び前記第2のランダムアクセスプリアンブルのうちのいずれか1つは、全ての要素(element)が1に設定されなかったシーケンスに基づいて生成される、端末。 - 前記予め設定された基準は、前記第1のランダムアクセスプリアンブルの送信に対する再送信回数(retransmission number)に基づいて設定される、請求項12に記載の端末。
- 前記第1のランダムアクセスプリアンブルの特定の再送信回数(specific retransmission number)に関する情報は、前記第1の設定情報に有され、
前記第2のランダムアクセスプリアンブルは、前記第1のランダムアクセスプリアンブルが前記特定の再送信回数の分だけ再送信された後に送信される、請求項13に記載の端末。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201762475193P | 2017-03-22 | 2017-03-22 | |
US62/475,193 | 2017-03-22 | ||
US201762492984P | 2017-05-02 | 2017-05-02 | |
US62/492,984 | 2017-05-02 | ||
PCT/KR2018/003377 WO2018174604A1 (ko) | 2017-03-22 | 2018-03-22 | 무선 통신 시스템에서 랜덤 액세스 프리앰블을 송수신하는 방법 및 이를 위한 장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2020510373A true JP2020510373A (ja) | 2020-04-02 |
Family
ID=63584571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019552235A Pending JP2020510373A (ja) | 2017-03-22 | 2018-03-22 | 無線通信システムにおいてランダムアクセスプリアンブルを送受信する方法及びこのための装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11096222B2 (ja) |
EP (1) | EP3606258A4 (ja) |
JP (1) | JP2020510373A (ja) |
KR (2) | KR102126958B1 (ja) |
CN (1) | CN110495241A (ja) |
WO (1) | WO2018174604A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110731121B (zh) * | 2017-03-23 | 2023-06-30 | 苹果公司 | 窄带物联网(nb-iot)增强 |
CN110612769B (zh) * | 2017-05-04 | 2023-08-25 | Lg电子株式会社 | 执行随机接入过程的方法及其装置 |
US11039469B2 (en) * | 2017-10-09 | 2021-06-15 | Qualcomm Incorporated | Different methods for PRACH and PUSCH separation in NR |
CN112118634B (zh) * | 2019-06-20 | 2023-03-28 | 中国电信股份有限公司 | 通信方法、装置、系统以及基站和终端 |
US20220264500A1 (en) * | 2019-09-10 | 2022-08-18 | Nokia Technologies Oy | Time of arrival based method for extended connection range |
CN115088374A (zh) * | 2020-02-13 | 2022-09-20 | 上海诺基亚贝尔股份有限公司 | 增强型prach前导码 |
JP7495574B2 (ja) * | 2020-08-06 | 2024-06-04 | アップル インコーポレイテッド | 非アクティブ中のユーザ機器による直接送信のための基地局シグナリング |
US11791881B2 (en) | 2020-09-23 | 2023-10-17 | Electronics And Telecommunications Research Institute | Random access method and apparatus using superposed preambles |
US11812479B2 (en) * | 2020-11-06 | 2023-11-07 | Electronics And Telecommunications Research Institute | Method and apparatus for random access in communication system |
WO2022193254A1 (zh) * | 2021-03-18 | 2022-09-22 | 华为技术有限公司 | 一种通信方法、装置和系统 |
KR102571049B1 (ko) * | 2021-05-11 | 2023-08-28 | 엘지전자 주식회사 | 무선 통신 시스템에서 랜덤 액세스 절차 수행 방법 및 장치 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140112286A1 (en) * | 2011-06-15 | 2014-04-24 | Lg Electronics Inc. | Method and apparatus for performing random access |
US20160255591A1 (en) * | 2013-10-14 | 2016-09-01 | Kt Corporation | Method for transmitting and receiving random access preamble and device therefor |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7158542B1 (en) * | 2002-05-03 | 2007-01-02 | Atheros Communications, Inc. | Dynamic preamble detection |
KR101388351B1 (ko) * | 2007-06-19 | 2014-04-22 | 엘지전자 주식회사 | 제어 정보를 이용하여, 빠르게 랜덤 액세스 프리앰블의전송을 재시도 하는 방법 |
KR101485807B1 (ko) * | 2009-04-01 | 2015-01-28 | 삼성전자주식회사 | 무선 통신 시스템의 랜덤 액세스 방법 및 장치 |
US9232540B2 (en) * | 2011-09-30 | 2016-01-05 | Qualcomm Incorporated | Random access channel design for narrow bandwidth operation in a wide bandwidth system |
RU2577028C2 (ru) * | 2011-12-20 | 2016-03-10 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Способ и устройство для выполнения процесса произвольного доступа в системе беспроводной связи |
CN102664839B (zh) * | 2012-04-13 | 2016-03-23 | 豪威科技(上海)有限公司 | 信道估计方法及装置 |
KR102031094B1 (ko) * | 2012-04-30 | 2019-10-11 | 엘지전자 주식회사 | 무선 통신 시스템에서 무선 자원의 동적 할당 방법 및 이를 위한 장치 |
USRE48361E1 (en) * | 2012-06-27 | 2020-12-15 | Lg Electronics Inc. | Method and terminal for random access to small cell |
RU2660657C1 (ru) * | 2012-10-05 | 2018-07-09 | Интердиджитал Пэйтент Холдингз, Инк. | Способ и устройство для улучшения покрытия устройств связи машинного типа (mtc) |
US9167451B2 (en) * | 2013-01-02 | 2015-10-20 | Lg Electronics Inc. | Method and apparatus for measuring interference in wireless communication system |
US9451639B2 (en) * | 2013-07-10 | 2016-09-20 | Samsung Electronics Co., Ltd. | Method and apparatus for coverage enhancement for a random access process |
KR20150044366A (ko) * | 2013-10-15 | 2015-04-24 | 주식회사 케이티 | 랜덤 액세스 프리앰블 송신 전력 제어 방법 및 그 장치 |
CN110856242B (zh) * | 2014-01-29 | 2023-07-25 | 交互数字专利控股公司 | 无线通信中的上行链路传输 |
JP2018527768A (ja) * | 2015-07-17 | 2018-09-20 | インテル アイピー コーポレイション | セルラIoTのためのNB−PRACH送信及び受信技術(狭帯域物理ランダムアクセスチャネル技術) |
US11700641B2 (en) * | 2015-08-19 | 2023-07-11 | Lg Electronics Inc. | Random access procedure performing method in wireless communication system, and apparatus therefor |
CN106961721B (zh) * | 2016-01-11 | 2020-05-15 | 中兴通讯股份有限公司 | 一种实现上行功率控制的方法及终端 |
JP2019054311A (ja) * | 2016-01-29 | 2019-04-04 | シャープ株式会社 | 端末装置、基地局装置および通信方法 |
US10985948B2 (en) * | 2016-03-11 | 2021-04-20 | Qualcomm Incorporated | Noise and interference estimation in wireless systems using multiple transmission time intervals |
US20170295596A1 (en) * | 2016-04-11 | 2017-10-12 | Qualcomm Incorporated | High-speed random access channel resource sets |
CN107733583A (zh) * | 2016-08-11 | 2018-02-23 | 株式会社Ntt都科摩 | 设置混合自动重传请求的通信方式的方法、基站和用户设备 |
US10498593B2 (en) * | 2016-09-07 | 2019-12-03 | Qualcomm Incorporated | Cell-specific reference signal (CRS) and control channel configuration in wireless communications |
WO2018058583A1 (en) * | 2016-09-30 | 2018-04-05 | Mediatek Singapore Pte. Ltd. | Methods and apparatus for indicating and implementing of new ue category |
CN108024359B (zh) * | 2016-11-04 | 2022-01-14 | 华为技术有限公司 | 上行接入方法、基站和用户设备 |
US10447457B2 (en) * | 2016-11-09 | 2019-10-15 | Qualcomm Incorporated | Reference signal pattern and pilot sharing for shortened transmission time interval wireless communications |
US10405354B2 (en) * | 2016-12-09 | 2019-09-03 | Samsung Electronics Co., Ltd. | Method and apparatus for RACH procedure in wireless systems |
-
2018
- 2018-03-22 JP JP2019552235A patent/JP2020510373A/ja active Pending
- 2018-03-22 CN CN201880020305.5A patent/CN110495241A/zh not_active Withdrawn
- 2018-03-22 KR KR1020197027451A patent/KR102126958B1/ko active IP Right Grant
- 2018-03-22 WO PCT/KR2018/003377 patent/WO2018174604A1/ko unknown
- 2018-03-22 KR KR1020207017890A patent/KR102162076B1/ko active IP Right Grant
- 2018-03-22 EP EP18770566.0A patent/EP3606258A4/en not_active Withdrawn
-
2019
- 2019-09-20 US US16/578,106 patent/US11096222B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140112286A1 (en) * | 2011-06-15 | 2014-04-24 | Lg Electronics Inc. | Method and apparatus for performing random access |
US20160255591A1 (en) * | 2013-10-14 | 2016-09-01 | Kt Corporation | Method for transmitting and receiving random access preamble and device therefor |
Non-Patent Citations (2)
Title |
---|
INTERDIGITAL: "PRACH for NB-IoT[online]", 3GPP TSG RAN WG1 ADHOC_LTE_NB-IOT_1603 R1-161918, JPN6020039175, 24 March 2016 (2016-03-24), ISSN: 0004619607 * |
NOKIA NETWORKS, ALCATEL-LUCENT, ALCATEL-LUCENT SHANGHAI BELL: "Random Access procedure for NB-IoT[online]", 3GPP TSG-RAN WG2#93 R2-161526, JPN6020039174, 19 February 2016 (2016-02-19), ISSN: 0004619606 * |
Also Published As
Publication number | Publication date |
---|---|
KR20200077606A (ko) | 2020-06-30 |
CN110495241A (zh) | 2019-11-22 |
KR102162076B1 (ko) | 2020-10-06 |
KR102126958B1 (ko) | 2020-06-25 |
EP3606258A4 (en) | 2021-01-27 |
WO2018174604A1 (ko) | 2018-09-27 |
KR20190117690A (ko) | 2019-10-16 |
US20200015285A1 (en) | 2020-01-09 |
US11096222B2 (en) | 2021-08-17 |
EP3606258A1 (en) | 2020-02-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR102162076B1 (ko) | 무선 통신 시스템에서 랜덤 액세스 프리앰블을 송수신하는 방법 및 이를 위한 장치 | |
KR102190479B1 (ko) | 무선 통신 시스템에서 임의 접속 프리앰블을 송수신하기 위한 방법 및 이를 위한 장치 | |
US9338705B2 (en) | Handover performed in consideration of uplink/downlink component carrier setup | |
JP7210481B2 (ja) | 無線通信システムにおいて同期信号を送受信する方法及びそのための装置 | |
US10680789B2 (en) | Method for transmitting and receiving system information in wireless communication system supporting TDD narrowband and apparatus therefor | |
US11653382B2 (en) | Method and device for transmitting NPRACH preamble in narrowband IoT system supporting frame structure type 2 | |
US11412552B2 (en) | Method and apparatus for transmitting a random access preamble in a narrow band IoT system supporting time division duplexing | |
US11490378B2 (en) | Method for transmitting/receiving narrowband PDCCH in narrowband-supporting wireless communication system, and device therefor | |
KR102182597B1 (ko) | 시간 분할 듀플렉싱을 지원하는 협대역 IoT 시스템에서 랜덤 액세스 프리앰블을 전송하기 위한 방법 및 이를 위한 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20191029 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20191029 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20201020 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20201224 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20210216 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20211019 |