JP7467488B2 - 初期アクセスのための通信装置および通信方法 - Google Patents
初期アクセスのための通信装置および通信方法 Download PDFInfo
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- JP7467488B2 JP7467488B2 JP2021545432A JP2021545432A JP7467488B2 JP 7467488 B2 JP7467488 B2 JP 7467488B2 JP 2021545432 A JP2021545432 A JP 2021545432A JP 2021545432 A JP2021545432 A JP 2021545432A JP 7467488 B2 JP7467488 B2 JP 7467488B2
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- 235000019580 granularity Nutrition 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
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- 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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- 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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
- H04J11/0073—Acquisition of primary synchronisation channel, e.g. detection of cell-ID within cell-ID group
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
- H04J11/0076—Acquisition of secondary synchronisation channel, e.g. detection of cell-ID group
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
- H04J11/0079—Acquisition of downlink reference signals, e.g. detection of cell-ID
-
- 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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
-
- 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
- H04L5/0078—Timing of allocation
-
- 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
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0092—Indication of how the channel is divided
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J2011/0096—Network synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
- H04W56/0015—Synchronization between nodes one node acting as a reference for the others
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Description
Claims (14)
- 動作中、半スロットの境界と合っていない可能開始位置から始まるチャネル占有期間(COT)内に基地局によって送信された1つ以上のディスカバリ参照信号(DRS)を受信する受信部と、
動作中、前記1つ以上のDRSの受信に応えてフレームタイミングを決定する回路と、
を有し、
半スロット当りの可能開始位置の数は、サブキャリア間隔(SCS)によって異なる、
端末。 - サブキャリア間隔(SCS)に対して半スロット当り1つ以上の開始位置が決定される、
請求項1に記載の端末。 - SCSが小さい場合の半スロット当りの可能開始位置の数は、SCSが大きい場合よりも多い、
請求項1に記載の端末。 - 前記1つ以上のDRSは、各々、同期信号ブロック(SSB)インデックスを示す第1のシグナリングと、タイミングオフセットを示す第2のシグナリングとを含む、
請求項1に記載の端末。 - 前記1つ以上のDRSは、各々、候補SSB位置インデックスを示すシグナリングを含む、
請求項1に記載の端末。 - 前記1つ以上のDRSは、各々、開始位置インデックス(SPI)を示すシグナリングを含む、
請求項1に記載の端末。 - 前記1つ以上のDRSの時間領域位置は、前記可能開始位置に対応する1つ以上の追加候補位置から選択される、
請求項1に記載の端末。 - 前記可能開始位置に対応する前記1つ以上の追加候補位置に対する開始インデックスは、Xの整数倍であり、Xは、DRS送信ウィンドウ内で送信される前記1つ以上のDRSの最大数である、
請求項7に記載の端末。 - 動作中、1つ以上のディスカバリ参照信号(DRS)を生成する回路と、
動作中、半スロットの境界と合っていない可能開始位置から始まるチャネル占有期間(COT)内に前記1つ以上のDRSを端末に送信する送信部と、
を有し、
半スロット当りの可能開始位置の数は、サブキャリア間隔(SCS)によって異なる、
基地局。 - 同期信号ブロック(SSB)サブキャリア間隔(SCS)が小さい場合の半スロット当りの可能開始位置の数は、SSB SCSが大きい場合よりも多い、
請求項9に記載の基地局。 - 前記送信部は、前記1つ以上のDRSの送信前に、次の半スロットの境界まで予約信号を送信する、
請求項9に記載の基地局。 - 基地局にて、半スロットの境界と合っていない可能開始位置から始まるチャネル占有期間(COT)を取得する工程と、
前記基地局にて、前記COTの開始時に1つ以上のディスカバリ参照信号(DRS)を生成する工程と、
前記基地局から、前記1つ以上のDRSを端末に送信する工程と、
を有し、
半スロット当りの可能開始位置の数は、サブキャリア間隔(SCS)によって異なる、
通信方法。 - 端末にて、前記基地局によって送信された前記1つ以上のDRSを受信する工程と、
前記端末にて、前記1つ以上のDRSの受信に応えてフレームタイミングを決定する工程と、
を有する、
請求項12に記載の通信方法。 - 前記基地局にて、前記可能開始位置に対応する1つ以上の追加候補位置から前記1つ以上のDRSの時間領域位置を選択する工程、
を有する、
請求項12に記載の通信方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SG10201901838S | 2019-02-28 | ||
SG10201901838SA SG10201901838SA (en) | 2019-02-28 | 2019-02-28 | Communication apparatus and communication method for initial access |
PCT/SG2019/050582 WO2020176035A1 (en) | 2019-02-28 | 2019-11-27 | Communication apparatus and communication method for initial access |
Publications (2)
Publication Number | Publication Date |
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JP2022522333A JP2022522333A (ja) | 2022-04-18 |
JP7467488B2 true JP7467488B2 (ja) | 2024-04-15 |
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JP2021545432A Active JP7467488B2 (ja) | 2019-02-28 | 2019-11-27 | 初期アクセスのための通信装置および通信方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20220150013A1 (ja) |
JP (1) | JP7467488B2 (ja) |
SG (1) | SG10201901838SA (ja) |
WO (1) | WO2020176035A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3962182B1 (en) * | 2019-06-14 | 2023-06-14 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Wireless communication method, terminal device and network device |
WO2022073203A1 (en) * | 2020-10-09 | 2022-04-14 | Apple Inc. | Synchronization signal block transmission in wireless communications |
Citations (1)
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JP2017535198A (ja) | 2014-11-03 | 2017-11-24 | サムスン エレクトロニクス カンパニー リミテッド | アンライセンススペクトルにおけるlteのためのチャンネルアクセス方法及び装置 |
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CN107637003B (zh) * | 2015-08-12 | 2021-07-06 | 韩国电子通信研究院 | 用于在通信网络中传送和接收信号的方法和设备 |
US11252705B2 (en) * | 2017-03-24 | 2022-02-15 | Apple Inc. | Radio (NR) short and long duration physical uplink control channel (PUCCH) design |
US10462761B2 (en) * | 2017-07-25 | 2019-10-29 | Samsung Electronics Co., Ltd. | Method and SS block time locations and SS burst set composition for NR unlicensed spectrum |
EP3669483A1 (en) * | 2017-08-17 | 2020-06-24 | Intel IP Corporation | New radio (nr) unlicensed physical uplink control channel with interlaced structure |
CN112534786B (zh) * | 2018-08-10 | 2024-07-16 | 苹果公司 | 无线***的下行链路波形类型和保护间隔适应的装置和存储介质 |
WO2020060875A1 (en) * | 2018-09-17 | 2020-03-26 | Intel Corporation | UNLICENSED NARROWBAND INTERNET OF THINGS (NB-IoT) OPERATION ON BAND 47b |
US11109375B2 (en) * | 2018-12-17 | 2021-08-31 | Samsung Electronics Co., Ltd. | Method and apparatus for configuration of common search space for discovery signal and channel |
US11582077B2 (en) * | 2019-02-25 | 2023-02-14 | Huawei Technologies Co., Ltd. | Systems and methods for transmission of uplink control information over multiple carriers in unlicensed spectrum |
US11751251B2 (en) * | 2019-09-19 | 2023-09-05 | Intel Corporation | Grant based PUSCH transmission and configured grant based PUSCH transmission in NR systems operating on unlicensed spectrum |
US11706074B2 (en) * | 2020-02-26 | 2023-07-18 | Qualcomm Incorporated | Channel occupancy time based radio link measurements and radio resource measurements in shared spectrum |
-
2019
- 2019-02-28 SG SG10201901838SA patent/SG10201901838SA/en unknown
- 2019-11-27 US US17/434,243 patent/US20220150013A1/en active Pending
- 2019-11-27 JP JP2021545432A patent/JP7467488B2/ja active Active
- 2019-11-27 WO PCT/SG2019/050582 patent/WO2020176035A1/en active Application Filing
Patent Citations (1)
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JP2017535198A (ja) | 2014-11-03 | 2017-11-24 | サムスン エレクトロニクス カンパニー リミテッド | アンライセンススペクトルにおけるlteのためのチャンネルアクセス方法及び装置 |
Non-Patent Citations (3)
Title |
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LG Electronics,Initial access and mobility for NR-U[online],3GPP TSG RAN WG1 #96 R1-1902041,Internet<URL:http://www.3gpp.org/ftp/tsg_ran/WG1_RL1/TSGR1_96/Docs/R1-1902041.zip>,2019年02月16日 |
OPPO,Enhancements to initial access procedure for NR-U[online],3GPP TSG RAN WG1 #96 R1-1901923,Internet<URL:http://www.3gpp.org/ftp/tsg_ran/WG1_RL1/TSGR1_96/Docs/R1-1901923.zip>,2019年02月16日 |
Qualcomm Incorporated,DL signals and channels for NR-U[online],3GPP TSG RAN WG1 adhoc_NR_AH_1901 R1-1900871,Internet<URL:http://www.3gpp.org/ftp/tsg_ran/WG1_RL1/TSGR1_AH/NR_AH_1901/Docs/R1-1900871.zip>,2019年01月 |
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Publication number | Publication date |
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JP2022522333A (ja) | 2022-04-18 |
US20220150013A1 (en) | 2022-05-12 |
SG10201901838SA (en) | 2020-09-29 |
WO2020176035A1 (en) | 2020-09-03 |
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