JPWO2018088043A1 - 端末、基地局及び通信方法 - Google Patents
端末、基地局及び通信方法 Download PDFInfo
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- H04L27/00—Modulated-carrier systems
- H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
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- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2626—Arrangements specific to the transmitter only
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2614—Peak power aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2626—Arrangements specific to the transmitter only
- H04L27/2627—Modulators
- H04L27/2634—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation
- H04L27/2636—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation with FFT or DFT modulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] transmitter or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2626—Arrangements specific to the transmitter only
- H04L27/2646—Arrangements specific to the transmitter only using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
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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
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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
- H04L5/0028—Variable division
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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
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
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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—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
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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—Signaling for the administration of the divided path
- H04L5/0096—Indication of changes in allocation
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- 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]
- H04W28/18—Negotiating wireless communication parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
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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
- H04L5/0058—Allocation criteria
- H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
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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
- H04L5/0078—Timing of allocation
- H04L5/0085—Timing of allocation when channel conditions change
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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
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
Description
まず、本開示に至る経緯について説明する。
[通信システムの概要]
本開示の各実施の形態に係る通信システムは、基地局100及び端末200を備える。
図4は、本開示の実施の形態1に係る基地局100の構成を示すブロック図である。図4において、基地局100は、制御部101と、符号化部102と、変調部103と、信号割当部104と、IFFT部105と、Post-IFFT部106と、送信部107と、アンテナ108と、受信部109と、FFT部110と、信号検出部111と、復調部112と、復号部113と、を有する。
図5は、本開示の実施の形態1に係る端末200の構成を示すブロック図である。図5において、端末200は、制御部201と、符号化部202と、変調部203と、Pre-IFFT部204と、信号割当部205と、IFFT部206と、Post-IFFT部207と、送信部208と、アンテナ209と、受信部210と、FFT部211と、信号検出部212と、復調部213と、復号部214と、を有する。
以上の構成を有する基地局100及び端末200における動作について詳細に説明する。
本実施の形態に係る基地局及び端末は、実施の形態1に係る基地局100及び端末200と基本構成が共通するので、図4及び図5を援用して説明する。
本実施の形態に係る基地局及び端末は、実施の形態1に係る基地局100及び端末200と基本構成が共通するので、図4及び図5を援用して説明する。
101,201 制御部
102,202 符号化部
103,203 変調部
104,205 信号割当部
105,206 IFFT部
106,207 Post-IFFT部
107,208 送信部
108,209 アンテナ
109,210 受信部
110,211 FFT部
111,212 信号検出部
112,213 復調部
113,214 復号部
200 端末
204 Pre-IFFT部
Claims (8)
- 上りリンクにおいてマルチキャリア伝送又はシングルキャリア伝送の信号波形を生成し、前記シングルキャリア伝送の信号波形を生成可能な前記リソースブロック数が制限されている、生成部と、
端末に対して割り当てられたリソースブロックを用いて、前記生成された信号波形の信号を送信する送信部と、
を具備する端末。 - 前記シングルキャリア伝送の信号波形を生成可能な前記リソースブロック数の最大値が1つ定義されている、
請求項1に記載の端末。 - 前記シングルキャリア伝送の信号波形を生成可能な前記リソースブロック数の最大値が複数定義されている、
請求項1に記載の端末。 - 前記複数の最大値は、前記端末の最大送信電力とそれぞれ関連付けて定義され、
前記最大送信電力が大きいほど、当該最大送信電力に関連付けられた前記最大値は大きい、
請求項3に記載の端末。 - 前記シングルキャリア伝送の信号波形を生成可能な前記リソースブロック数の最大値は、基地局で設定され、前記端末へ通知される、
請求項1に記載の端末。 - 端末に対して上りリンクのリソースブロックを割り当てる制御部と、
前記リソースブロックに配置された、マルチキャリア伝送又はシングルキャリア伝送の信号波形の信号を受信し、前記端末において前記シングルキャリア伝送の信号波形を生成可能な前記リソースブロック数は制限されている、受信部と、
前記受信した信号を復調する復調部と、
を具備する基地局。 - 上りリンクにおいてマルチキャリア伝送又はシングルキャリア伝送の信号波形を生成し、前記シングルキャリア伝送の信号波形を生成可能な前記リソースブロック数は制限されており、
端末に対して割り当てられたリソースブロックを用いて、前記生成された信号波形の信号を送信する、
通信方法。 - 端末に対して上りリンクのリソースブロックを割り当て、
前記リソースブロックに配置された、マルチキャリア伝送又はシングルキャリア伝送の信号波形の信号を受信し、前記端末において前記シングルキャリア伝送の信号波形を生成可能な前記リソースブロック数は制限されており、
前記受信した信号を復調する、
通信方法。
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US (1) | US11219001B2 (ja) |
EP (1) | EP3541136A4 (ja) |
JP (2) | JP6967525B2 (ja) |
KR (1) | KR102431947B1 (ja) |
CN (1) | CN109644484B (ja) |
BR (1) | BR112019001993A2 (ja) |
MX (1) | MX2019001800A (ja) |
RU (1) | RU2743856C2 (ja) |
SG (1) | SG11201901291PA (ja) |
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CN109644484B (zh) * | 2016-11-09 | 2022-04-05 | 松下电器(美国)知识产权公司 | 终端、基站及通信方法 |
US20230224894A1 (en) * | 2022-01-10 | 2023-07-13 | Qualcomm Incorporated | Resource gaps for full-duplex communications based on uplink and downlink waveforms |
CN116709542B (zh) * | 2022-11-14 | 2024-05-14 | 荣耀终端有限公司 | 波形切换方法及电子设备 |
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Publication number | Publication date |
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WO2018088043A1 (ja) | 2018-05-17 |
KR20190075896A (ko) | 2019-07-01 |
KR102431947B1 (ko) | 2022-08-11 |
EP3541136A1 (en) | 2019-09-18 |
RU2019105132A3 (ja) | 2020-12-10 |
JP7165249B2 (ja) | 2022-11-02 |
JP2022009417A (ja) | 2022-01-14 |
RU2743856C2 (ru) | 2021-03-01 |
CN109644484A (zh) | 2019-04-16 |
JP6967525B2 (ja) | 2021-11-17 |
MX2019001800A (es) | 2019-06-20 |
SG11201901291PA (en) | 2019-03-28 |
US11219001B2 (en) | 2022-01-04 |
US20190182813A1 (en) | 2019-06-13 |
CN109644484B (zh) | 2022-04-05 |
BR112019001993A2 (pt) | 2019-05-07 |
RU2019105132A (ru) | 2020-12-10 |
EP3541136A4 (en) | 2019-10-16 |
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