JP7202291B2 - Prachおよび/またはsrs切替えの向上 - Google Patents
Prachおよび/またはsrs切替えの向上 Download PDFInfo
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- JP7202291B2 JP7202291B2 JP2019516595A JP2019516595A JP7202291B2 JP 7202291 B2 JP7202291 B2 JP 7202291B2 JP 2019516595 A JP2019516595 A JP 2019516595A JP 2019516595 A JP2019516595 A JP 2019516595A JP 7202291 B2 JP7202291 B2 JP 7202291B2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
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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
- H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
- H04L5/0096—Indication of changes in allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
- H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
-
- 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) or DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT the frequencies being arranged in component carriers
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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
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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
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
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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
- H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
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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
- H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
- H04L5/0092—Indication of how the channel is divided
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/06—TPC algorithms
- H04W52/08—Closed loop power control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/36—Transmission power control [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
- H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [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
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- 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
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- 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
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- 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
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- 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
- H04W72/232—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 physical layer, e.g. DCI signalling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
-
- 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
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmitters (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Electrotherapy Devices (AREA)
Description
本出願は、両方とも本出願の譲受人に譲渡され、参照により本明細書に明確に組み込まれる、2016年9月30日に出願された米国仮特許出願第62/402,915号、および2017年6月9日に出願された米国特許出願第15/619,094号の利益を主張する。
図1は、本開示の態様が実行され得る例示的なワイヤレスネットワーク100を示す。たとえば、ワイヤレスネットワーク100は、ニューラジオまたは5Gネットワークであり得る。基地局(BS)110は、eNB、gNB、送信受信ポイント(TRP)、ノードB(NB)、5G NB、アクセスポイント(AP)、ニューラジオ(NR)BSなどを含み得る。
一般に、ネットワークにおけるUEからのSRS送信は、ネットワークにおける他のUEからのSRS送信に直交すべきである。ネットワークにおける直交性を維持するために、UEからネットワークにおける特定のBSへのSRS送信は、同時に(またはCP長の中で)BSに到着すべきである。したがって、UEは、SRSの送信に関する初期タイミングアドバンス(TA)推定値を取得するために、PRACHを送信することを試行し得る。
いくつかのネットワーク(たとえば、LTE)の場合、態様では、グループDCIがSRS送信を一緒にトリガし、かつ/またはSRS送信の電力制御を実行し得る。
102a マクロセル
102b マクロセル
102c マクロセル
102x ピコセル
102y フェムトセル
102z フェムトセル
110 基地局(BS)
110a BS
110b BS
110c BS、マクロBS
110r 中継局
110x BS
110y BS
110z BS
118 PDNゲートウェイ
120 UE
120r UE
120y UE
130 ネットワークコントローラ
222 Tx/Rx
300 図
310a リソースブロック
310b リソースブロック
320a リソースブロック
320b リソースブロック
330 物理ランダムアクセスチャネル(PRACH)
412 データソース
420 プロセッサ、送信プロセッサ
430 プロセッサ、送信(TX)多入力多出力(MIMO)プロセッサ
432 変調器
432a~432t 変調器(MOD)
434 アンテナ
434a~434t アンテナ
436 MIMO検出器
438 プロセッサ、受信プロセッサ
439 データシンク
440 コントローラ/プロセッサ、プロセッサ
442 メモリ
444 スケジューラ
452 アンテナ
452a~452r アンテナ
454 復調器
454a~454r 復調器(DEMOD)
456 MIMO検出器
458 プロセッサ、受信プロセッサ
460 データシンク
462 データソース
464 プロセッサ、送信プロセッサ
466 プロセッサ、TX MIMOプロセッサ
480 コントローラ/プロセッサ
482 メモリ
500 図
506 物理レイヤ
508 レイヤ2(L2レイヤ)
510 媒体アクセス制御(MAC)サブレイヤ
512 無線リンク制御(RLC)サブレイヤ
514 パケットデータコンバージェンスプロトコル(PDCP)サブレイヤ
516 無線リソース制御(RRC)サブレイヤ
610 サブフレームフォーマット
620 サブフレームフォーマット
700 分散型RAN、ローカルアーキテクチャ、アーキテクチャ
702 アクセスノードコントローラ(ANC)
704 次世代コアネットワーク(NG-CN)
706 5Gアクセスノード
708 TRP
710 次世代AN(NG-AN)
800 分散型RAN
802 集中型コアネットワークユニット(C-CU)
804 集中型RANユニット(C-RU)
806 分散ユニット(DU)
900 図
902 制御部分
904 DLデータ部分
906 共通UL部分
1000 図
1002 制御部分
1004 ULデータ部分
1006 共通UL部分
1500 動作
1600 動作
1700 動作
1800 動作
1900 動作
Claims (10)
- 基地局(BS)によるワイヤレス通信のための方法であって、
前記BSへのサウンディング基準信号(SRS)送信に使用するために少なくとも1つのユーザ機器(UE)にとって使用可能な複数のコンポーネントキャリア(CC)を識別するステップと、
前記少なくとも1つのUEがSRS送信に使用する、前記複数のCCからの異なる1つまたは複数のCCを各SRSグループが指定し、前記各SRSグループのCCは一部のみ異なる、複数のSRSグループを含む構成を決定するステップと、
前記少なくとも1つのUEに前記構成の指示をシグナリングするステップと、
ダウンリンク制御情報(DCI)を介して、前記複数のSRSグループのうちの1つにおける前記CCのうちの1つまたは複数を介して、前記少なくとも1つのUEからの前記SRS送信をトリガするステップと、
前記DCIを介して、前記複数のSRSグループのうちの前記1つにおける前記CCのうちの少なくとも1つのための、1つまたは複数の電力制御コマンドを提供するステップであって、
前記BSは、各CCからの前記SRS送信のために別個に電力制御を実行し、前記DCIは、(i)前記SRS送信をトリガし、前記複数のSRSグループのうちの前記1つを示す第1のフィールドと、(ii)前記1つまたは複数の電力制御コマンドのための1つまたは複数の第2のフィールドとを含む、ステップと
を含む方法。 - 前記構成は、前記少なくとも1つのUEのために構成された1つまたは複数のグループ無線ネットワーク一時識別子(G-RNTI)に関連付けられる、請求項1に記載の方法。
- 前記1つまたは複数のSRSグループを含む前記構成の前記指示は、無線リソース制御(RRC)シグナリングを介してシグナリングされる、請求項1に記載の方法。
- 前記第2のフィールドの数は、前記1つまたは複数のSRSグループのうちのどれが最大数のCCを有するかに部分的に基づく、請求項1に記載の方法。
- 前記構成は、前記少なくとも1つのUEのための前記複数のCCのうちの複数のCCを示す、請求項1に記載の方法。
- 前記構成の前記指示は、前記複数のCCにおける前記少なくとも1つのUEからのSRS送信を同時にトリガする、請求項5に記載の方法。
- 前記複数のCCのうちの少なくとも1つは、ダウンリンク送信だけのために構成されたCCである、請求項1に記載の方法。
- ワイヤレス通信のための装置であって、
請求項1から7のいずれか一項に記載の方法を行うように構成された手段を含む、装置。 - 前記手段は、処理システムである、請求項8に記載の装置。
- 請求項1から7のいずれか一項に記載の方法を実施するようにコンピュータ実行可能なプログラム命令を含む、コンピュータプログラム。
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662402915P | 2016-09-30 | 2016-09-30 | |
| US62/402,915 | 2016-09-30 | ||
| US15/619,094 US11140714B2 (en) | 2016-09-30 | 2017-06-09 | PRACH and/or SRS switching enhancements |
| US15/619,094 | 2017-06-09 | ||
| PCT/US2017/054091 WO2018064376A1 (en) | 2016-09-30 | 2017-09-28 | Prach and/or srs switching enhancements |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2019535184A JP2019535184A (ja) | 2019-12-05 |
| JP2019535184A5 JP2019535184A5 (ja) | 2020-10-22 |
| JP7202291B2 true JP7202291B2 (ja) | 2023-01-11 |
Family
ID=61759211
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019516576A Active JP7086943B2 (ja) | 2016-09-30 | 2017-09-28 | Prachおよび/またはsrs切替えの向上 |
| JP2019516595A Active JP7202291B2 (ja) | 2016-09-30 | 2017-09-28 | Prachおよび/またはsrs切替えの向上 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019516576A Active JP7086943B2 (ja) | 2016-09-30 | 2017-09-28 | Prachおよび/またはsrs切替えの向上 |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US11032850B2 (ja) |
| EP (4) | EP3520295B1 (ja) |
| JP (2) | JP7086943B2 (ja) |
| KR (2) | KR102544305B1 (ja) |
| CN (3) | CN109792352B (ja) |
| AU (3) | AU2017336670B2 (ja) |
| BR (2) | BR112019006639A2 (ja) |
| ES (2) | ES2909187T3 (ja) |
| TW (2) | TWI750229B (ja) |
| WO (2) | WO2018064304A1 (ja) |
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