JP6298329B2 - ユーザ端末、無線基地局および無線通信方法 - Google Patents
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- JP6298329B2 JP6298329B2 JP2014058259A JP2014058259A JP6298329B2 JP 6298329 B2 JP6298329 B2 JP 6298329B2 JP 2014058259 A JP2014058259 A JP 2014058259A JP 2014058259 A JP2014058259 A JP 2014058259A JP 6298329 B2 JP6298329 B2 JP 6298329B2
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- 238000000034 method Methods 0.000 title claims description 25
- 238000004891 communication Methods 0.000 title claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 249
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Classifications
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- 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
- H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
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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
- H04L5/0001—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
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
-
- 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
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
- H04L5/0035—Resource allocation in a cooperative multipoint environment
-
- 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
- H04W52/143—Downlink 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
- H04W52/06—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
- H04W52/06—TPC algorithms
- H04W52/16—Deriving transmission power values from another channel
-
- 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
- H04W52/34—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
- 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
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
-
- 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
- H04W52/365—Power headroom reporting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
Description
PPUSCH,c(i)=min{PCMAX,c(i),10log10(MPUSCH,c(i))+PO_PUSCH,c(j)+αc(j)・PLc+ΔTF,c(i)+fc(i)}[dBm]
(1)
PHtype1,c(i)=PCMAX,c(i)-{10log10(MPUSCH,c(i))+PO_PUSCH,c(j)+αc(j)・PLc+ΔTF,c(i)+fc(i)}[dB]
(2)
デュアルコネクティビティ(DC)においては、基地局間で送信タイミングが異なるため、どのタイミングでPHRを計算するかに依存してPHRの値が異なる。
以下、本実施の形態に係る無線通信システムの構成について説明する。この無線通信システムでは、上述の送信電力制御を行う無線通信方法が適用される。
10,11,12…無線基地局
20…ユーザ端末
30…上位局装置
40…コアネットワーク
101…送受信アンテナ
102…アンプ部
103…送受信部
104…ベースバンド信号処理部
105…呼処理部
106…インターフェース部
201…送受信アンテナ
202…アンプ部
203…送受信部
204…ベースバンド信号処理部
205…アプリケーション部
301…制御部(スケジューラ)
302…下り制御信号生成部
303…下りデータ信号生成部
304…マッピング部
305…デマッピング部
306…チャネル推定部
307…上り制御信号復号部
308…上りデータ信号復号部
309…判定部
401…制御部(電力制御部)
402…上り制御信号生成部
403…上りデータ信号生成部
404…マッピング部
405…デマッピング部
406…チャネル推定部
407…下り制御信号復号部
408…下りデータ信号復号部
409…判定部
Claims (3)
- 複数のセルグループ(CG:Cell Group)が設定されるユーザ端末であって、
所定のCGに対する送信電力が当該所定のCGに対して設定されるしきい値に達する場合に、当該所定のCGに対する最大送信電力値を制御する制御部と、
前記所定のCGに対する最大送信電力値の範囲内で送信電力制御された信号を、前記所定のCGで送信する送信部と、を有し、
前記送信部は、前記所定のCGのPH(Power Headroom)を含むPH報告を送信し、
前記制御部は、前記所定のCGのPHを、前記所定のCGのサブフレームにおいて他のCGのサブフレームと時間的な重複の大きい部分に含まれるタイミングで算出することを特徴とするユーザ端末。 - 複数のセルグループ(CG:Cell Group)が設定されるユーザ端末と通信する無線基地局であって、
前記ユーザ端末において、所定のCGに対する送信電力が当該所定のCGに対するしきい値に達する場合に、当該所定のCGに対する最大送信電力値を制御させるために、前記しきい値を前記ユーザ端末に設定する制御部と、
前記所定のCGに対する最大送信電力値の範囲内で送信電力制御された信号を、前記所定のCGで受信する受信部と、を有し、
前記受信部は、前記所定のCGのサブフレームにおいて他のCGのサブフレームと時間的な重複の大きい部分に含まれるタイミングで算出された前記所定のCGのPH(Power Headroom)を含むPH報告を受信することを特徴とする無線基地局。 - 複数のセルグループ(CG:Cell Group)が設定されるユーザ端末の無線通信方法であって、
所定のCGに対する送信電力が当該所定のCGに対して設定されるしきい値に達する場合に、当該所定のCGに対する最大送信電力値を制御する工程と、
前記所定のCGに対する最大送信電力値の範囲内で送信電力制御された信号を、前記所定のCGで送信する工程と、
前記所定のCGのPH(Power Headroom)を含むPH報告を送信する工程と、
前記所定のCGのPHを、前記所定のCGのサブフレームにおいて他のCGのサブフレームと時間的な重複の大きい部分に含まれるタイミングで算出する工程と、を有することを特徴とする無線通信方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014058259A JP6298329B2 (ja) | 2014-03-20 | 2014-03-20 | ユーザ端末、無線基地局および無線通信方法 |
PCT/JP2015/050806 WO2015141258A1 (ja) | 2014-03-20 | 2015-01-14 | ユーザ端末、無線基地局および無線通信方法 |
US15/127,210 US20170111873A1 (en) | 2014-03-20 | 2015-01-14 | User terminal, radio base station and radio communication method |
EP15765043.3A EP3122122A4 (en) | 2014-03-20 | 2015-01-14 | User terminal, wireless base station, and wireless communication method |
CN201580014798.8A CN106134262A (zh) | 2014-03-20 | 2015-01-14 | 用户终端、无线基站以及无线通信方法 |
Applications Claiming Priority (1)
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JP2014058259A JP6298329B2 (ja) | 2014-03-20 | 2014-03-20 | ユーザ端末、無線基地局および無線通信方法 |
Publications (3)
Publication Number | Publication Date |
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JP2015185891A JP2015185891A (ja) | 2015-10-22 |
JP2015185891A5 JP2015185891A5 (ja) | 2017-01-12 |
JP6298329B2 true JP6298329B2 (ja) | 2018-03-20 |
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JP2014058259A Active JP6298329B2 (ja) | 2014-03-20 | 2014-03-20 | ユーザ端末、無線基地局および無線通信方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20170111873A1 (ja) |
EP (1) | EP3122122A4 (ja) |
JP (1) | JP6298329B2 (ja) |
CN (1) | CN106134262A (ja) |
WO (1) | WO2015141258A1 (ja) |
Families Citing this family (16)
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EP3496482A4 (en) | 2016-08-05 | 2020-03-25 | Mitsubishi Electric Corporation | COMMUNICATION SYSTEM |
MX2019002927A (es) * | 2016-09-14 | 2019-07-18 | Ntt Docomo Inc | Terminal de usuario y metodo de radiocomunicacion. |
US10123278B2 (en) | 2016-11-14 | 2018-11-06 | Qualcomm Incorporated | Techniques and apparatuses for adjusting transmission power for power-limited uplink carrier aggregation scenarios |
CN111526569A (zh) * | 2017-08-16 | 2020-08-11 | Oppo广东移动通信有限公司 | 信号传输的方法和终端设备 |
WO2019112209A1 (ko) * | 2017-12-08 | 2019-06-13 | 엘지전자 주식회사 | 무선 통신 시스템에서 신호를 송신 또는 수신하는 방법 및 이를 위한 장치 |
WO2019155636A1 (ja) * | 2018-02-09 | 2019-08-15 | 株式会社Nttドコモ | ユーザ端末 |
WO2019169624A1 (zh) * | 2018-03-09 | 2019-09-12 | Oppo广东移动通信有限公司 | 数据传输方法及装置 |
CN110351048B (zh) * | 2018-04-04 | 2021-10-26 | 展讯通信(上海)有限公司 | 一种功率瞬变场景下上行传输的方法、系统及移动终端 |
EP3902369A4 (en) * | 2018-12-21 | 2022-07-13 | Ntt Docomo, Inc. | USER DEVICE AND WIRELESS COMMUNICATION METHOD |
US20220104149A1 (en) * | 2019-01-10 | 2022-03-31 | Ntt Docomo, Inc. | User terminal and radio communication method |
EP3949548A2 (en) * | 2019-03-29 | 2022-02-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Wireless device, first network node, second network node, and methods performed thereby, for handling a power of transmission |
WO2021030970A1 (en) * | 2019-08-16 | 2021-02-25 | Qualcomm Incorporated | Ul transmission method for endc dual connection device |
CN110557822A (zh) * | 2019-09-19 | 2019-12-10 | 京信通信系统(中国)有限公司 | 上行功率配置方法、装置、计算机设备和存储介质 |
CN114041306A (zh) * | 2019-11-08 | 2022-02-11 | Oppo广东移动通信有限公司 | 功率余量上报方法及其装置 |
US11647465B2 (en) * | 2021-03-05 | 2023-05-09 | Nokia Technologies Oy | Power control enhancements for physical uplink shared channel (PUSCH) multiplexing uplink control information (UCI) of different priority |
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2015
- 2015-01-14 EP EP15765043.3A patent/EP3122122A4/en not_active Withdrawn
- 2015-01-14 US US15/127,210 patent/US20170111873A1/en not_active Abandoned
- 2015-01-14 WO PCT/JP2015/050806 patent/WO2015141258A1/ja active Application Filing
- 2015-01-14 CN CN201580014798.8A patent/CN106134262A/zh active Pending
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CN106134262A (zh) | 2016-11-16 |
EP3122122A4 (en) | 2017-10-04 |
WO2015141258A1 (ja) | 2015-09-24 |
JP2015185891A (ja) | 2015-10-22 |
EP3122122A1 (en) | 2017-01-25 |
US20170111873A1 (en) | 2017-04-20 |
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