WO2010087173A1 - 無線送信装置及び参照信号送信方法 - Google Patents
無線送信装置及び参照信号送信方法 Download PDFInfo
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- WO2010087173A1 WO2010087173A1 PCT/JP2010/000496 JP2010000496W WO2010087173A1 WO 2010087173 A1 WO2010087173 A1 WO 2010087173A1 JP 2010000496 W JP2010000496 W JP 2010000496W WO 2010087173 A1 WO2010087173 A1 WO 2010087173A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0226—Channel estimation using sounding signals sounding signals per se
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/022—Channel estimation of frequency response
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
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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
- H04L27/2649—Demodulators
- H04L27/26524—Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation
- H04L27/26526—Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation with inverse FFT [IFFT] or inverse DFT [IDFT] demodulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] receiver 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
- 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
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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
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference 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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
Definitions
- the channel estimation accuracy can be obtained according to the number of clusters.
- a more advantageous method of reference signal formation can be selected. By performing switching control of such a reference signal formation method, the base station 200 can obtain the channel estimation accuracy indicated by the solid line in FIG.
- each cluster is treated as one band block.
- a band block consisting of a plurality of clusters may be treated in the same manner as the clusters described in the first embodiment. That is, when there are a plurality of band blocks consisting of a plurality of clusters, by dividing one basic code sequence into a length matched to each band block, a partial sequence for the number of band blocks is formed as a reference signal A second method of forming code sequences as many as the number of band blocks may be formed as a reference signal by adjusting the length of the basic code sequence as many as the number of band blocks according to each band block.
- the reference signal control unit 106 controls the reference signal generation unit 107 to switch the reference signal formation method.
- the base station 200 can obtain the channel estimation accuracy shown by the solid line in FIG.
- the present invention has been described taking hardware as an example, but the present invention can also be realized by software.
- the method of circuit integration is not limited to LSI's, and implementation using dedicated circuitry or general purpose processors is also possible.
- a programmable field programmable gate array FPGA
- a reconfigurable processor may be used which can reconfigure connection and setting of circuit cells in the LSI.
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- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
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Abstract
Description
[端末の構成]
図9は、本発明の実施の形態1に係る端末100の構成を示すブロック図である。図9において、端末100は、受信RF部101と、復調部102と、復号部103と、リソース割当情報設定部104と、閾値設定部105と、参照信号制御部106と、参照信号生成部107と、符号化部108と、変調部109と、FFT(Fast Fourier Transform)部110と、マッピング部111と、IFFT(Inverse Fast Fourier Transform)部112と、送信RF部113とを有する。
図10は、本発明の実施の形態1に係る基地局200の構成を示すブロック図である。図10において、基地局200は、受信RF部201と、DFT(Discrete Fourier transform)部202と、デマッピング部203と、リソース割当情報設定部204と、閾値設定部205と、チャネル推定制御部206と、チャネル推定部207と、周波数領域等化部208と、IFFT部209と、復調部210と、復号部211と有する。
以上の構成を有する端末100の動作について説明する。
実施の形態2では、「クラスタ帯域幅」に基づいて、参照信号の形成方法を切り替える。すなわち、参照信号の形成方法は、切替閾値及びクラスタの数nに加えてn個のクラスタの合計帯域幅に基づいて切り替えられる。なお、本実施の形態に係る端末及び基地局の基本構成は、実施の形態1で説明された端末及び基地局の構成と同じである。従って、本実施の形態に係る端末及び基地局についても、図9及び図10を用いて説明する。
実施の形態2の端末100における参照信号制御部106は、リソース割当情報設定部104からクラスタに関する情報を受け取り、まず、「クラスタ帯域幅」を算出する。この「クラスタ帯域幅」は、1クラスタ当たりの平均帯域幅を意味し、n個のクラスタの合計帯域幅をクラスタ数nで除算することにより得られる。
また、実施の形態2の基地局200におけるチャネル推定制御部206は、チャネル推定部207におけるチャネル推定方法を、端末100の参照信号送信方法に応じたチャネル推定方法に切り替える。すなわち、チャネル推定制御部206は、リソース割当情報設定部204からクラスタに関する情報を受け取り、参照信号制御部106と同様に、まず、「クラスタ帯域幅」を算出する。
上記のように、端末100において、参照信号制御部106は、参照信号生成部107を制御して参照信号形成方法を切り替える。
上記した実施の形態1及び実施の形態2では、クラスタ数又はクラスタ帯域幅に応じて、端末100における参照信号の送信方法及び基地局200におけるチャネル推定方法の両方が切り替わる場合について説明した。しかしながら、基地局200におけるチャネル推定方法だけを切り替えても良い。すなわち、端末100における参照信号の送信方法は送信方法(a)又は送信方法(b)で固定として、クラスタ数又はクラスタ帯域幅に応じて基地局200におけるチャネル推定方法を切り替えても良い。こうすることでも、実施の形態1及び実施の形態2に近い効果が得られる。
Claims (6)
- 互いに周波数方向で間隔を空けて配置されたn(nは、2以上の自然数)個の帯域ブロックを用いて参照信号を送信する無線送信装置であって、
1つの基本符号系列を各帯域ブロックに合わせた長さに分割することにより、n個の部分系列を前記参照信号として形成する第1の形成方法、又は、n個の基本符号系列の長さを各帯域ブロックに合わせて調整することにより、n個の符号系列を前記参照信号として形成する第2の形成方法に基づいて、前記参照信号を形成する形成手段と、
切替閾値及び前記帯域ブロックの数nに基づいて、前記形成手段の参照信号形成方法を前記第1の形成方法と前記第2の形成方法との間で切り替える切替手段と、
を具備する無線送信装置。 - 前記切替手段は、前記切替閾値及び前記帯域ブロックの数nに加えて前記n個の帯域ブロックの合計帯域幅に基づいて、前記形成手段の参照信号形成方法を切り替える、
請求項1に記載の無線送信装置。 - 前記切替閾値を前記帯域ブロック間の周波数間隔に基づいて調整する調整手段、をさらに具備する請求項1に記載の無線送信装置。
- 互いに周波数方向で間隔を空けて配置されたn(nは、2以上の自然数)個の帯域ブロックを用いて参照信号を送信する参照信号送信方法であって、
1つの基本符号系列を各帯域ブロックに合わせた長さに分割することにより、n個の部分系列を前記参照信号として形成する第1の形成方法、又は、n個の基本符号系列の長さを各帯域ブロックに合わせて調整することにより、n個の符号系列を前記参照信号として形成する第2の形成方法に基づいて、前記参照信号を形成する形成ステップと、
切替閾値及び前記帯域ブロックの数nに基づいて、前記形成手段の参照信号形成方法を前記第1の形成方法と前記第2の形成方法との間で切り替える切替ステップと、
を具備する参照信号送信方法。 - 前記切替ステップでは、前記切替閾値及び前記帯域ブロックの数nに加えて前記n個の帯域ブロックの合計帯域幅に基づいて、前記形成手段の参照信号形成方法を切り替える、
請求項4に記載の参照信号送信方法。 - 前記切替閾値を前記帯域ブロック間の周波数間隔に基づいて調整する調整ステップ、をさらに具備する請求項4に記載の参照信号送信方法。
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EP10735645.3A EP2383917B1 (en) | 2009-01-29 | 2010-01-28 | Wireless transmitter and reference signal transmission method |
BRPI1007424-4A BRPI1007424B1 (pt) | 2009-01-29 | 2010-01-28 | Aparelhos de transmissão e recepção configurados para transmitirsinal de referência, métodos de transmissão e recepção, e circuito integrado |
SG2011054756A SG173184A1 (en) | 2009-01-29 | 2010-01-28 | Wireless transmitter and reference signal transmission method |
RU2011131776/07A RU2526839C2 (ru) | 2009-01-29 | 2010-01-28 | Беспроводной передатчик и способ передачи опорного сигнала |
US13/146,611 US10263744B2 (en) | 2009-01-29 | 2010-01-28 | Wireless transmitter and reference signal transmission method |
AU2010209166A AU2010209166B2 (en) | 2009-01-29 | 2010-01-28 | Wireless transmitter and reference signal transmission method |
CN201080005700.XA CN102301625B (zh) | 2009-01-29 | 2010-01-28 | 无线发送装置和参考信号发送方法 |
KR1020117017726A KR101676468B1 (ko) | 2009-01-29 | 2010-01-28 | 송신 장치, 송신 방법 및 집적 회로 |
KR1020127012067A KR101676462B1 (ko) | 2009-01-29 | 2010-01-28 | 수신 장치, 수신 방법 및 집적 회로 |
JP2010548423A JP5295270B2 (ja) | 2009-01-29 | 2010-01-28 | 送信装置及び送信方法 |
EP16186731.2A EP3133754B1 (en) | 2009-01-29 | 2010-01-28 | Wireless transmitter and reference signal transmission method |
CN201410213179.9A CN103957092B (zh) | 2009-01-29 | 2010-01-28 | 发送装置、接收装置、发送方法、接收方法以及集成电路 |
EP18214637.3A EP3496304B1 (en) | 2009-01-29 | 2010-01-28 | Wireless transmitter and reference signal transmission method |
US16/287,611 US10911198B2 (en) | 2009-01-29 | 2019-02-27 | Communication apparatus and reference signal reception method |
US17/130,591 US11394507B2 (en) | 2009-01-29 | 2020-12-22 | Communication apparatus and reference signal reception method |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2010116881A1 (ja) * | 2009-04-10 | 2012-10-18 | 日本電気株式会社 | 無線通信システム、基地局、サーバ、無線通信方法、及びプログラム |
JPWO2010116880A1 (ja) * | 2009-04-10 | 2012-10-18 | 日本電気株式会社 | 無線通信システム、基地局、端末、無線通信方法及びプログラム |
EP2571199A1 (en) * | 2011-09-19 | 2013-03-20 | Alcatel Lucent | Method and apparatus for assessing the quality of a communication channel in a multi-domain network |
JP2016536928A (ja) * | 2013-09-25 | 2016-11-24 | エヌイーシー(チャイナ)カンパニー, リミテッドNEC(China)Co.,Ltd. | 無線通信システムにおけるアップリンク・データ送信のための方法及び装置 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101745700B1 (ko) | 2012-02-29 | 2017-06-09 | 삼성전자주식회사 | 무선통신 시스템에서 기준 신호 송수신을 위한 장치 및 방법 |
WO2014203392A1 (ja) * | 2013-06-21 | 2014-12-24 | シャープ株式会社 | 端末、基地局、通信システムおよび通信方法 |
CN105553896B (zh) * | 2015-11-30 | 2019-06-18 | 华南理工大学 | 宽带多频稀疏信号的非均匀采样与重建方法 |
WO2018174523A2 (ko) * | 2017-03-22 | 2018-09-27 | 엘지전자 주식회사 | 무선랜 시스템에서 웨이크업 패킷을 송신하는 방법 및 장치 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007122828A1 (ja) * | 2006-04-25 | 2007-11-01 | Nec Corporation | パイロット信号伝送方法および無線通信装置 |
JP2007336437A (ja) * | 2006-06-19 | 2007-12-27 | Nec Corp | 帯域割当方法および無線通信システム |
JP2009018632A (ja) | 2007-07-10 | 2009-01-29 | Toyota Motor Corp | 定速走行制御装置および定速走行制御方法 |
Family Cites Families (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3000974B2 (ja) * | 1997-08-28 | 2000-01-17 | 日本電気株式会社 | セルラシステムの周波数キャリア割り当て方法 |
DE19961777A1 (de) | 1999-12-21 | 2001-07-12 | Rudolf Bannasch | Verfahren und Vorrichtungen zur Informationsübertragung |
JP2002305482A (ja) * | 2001-04-06 | 2002-10-18 | Matsushita Electric Ind Co Ltd | データ放送スケジュールシステム及び、それに関する、装置または方法または記録媒体またはプログラム |
WO2004039026A1 (en) * | 2002-10-23 | 2004-05-06 | Samsung Electronics Co., Ltd. | Apparatus and method for generating a preamble sequence in an ofdm communication system |
US20040081131A1 (en) * | 2002-10-25 | 2004-04-29 | Walton Jay Rod | OFDM communication system with multiple OFDM symbol sizes |
US7756002B2 (en) * | 2003-01-30 | 2010-07-13 | Texas Instruments Incorporated | Time-frequency interleaved orthogonal frequency division multiplexing ultra wide band physical layer |
US7835262B2 (en) * | 2003-05-14 | 2010-11-16 | Texas Instruments Incorporated | Multi-band OFDM communications system |
DE10338053B4 (de) * | 2003-08-19 | 2005-12-15 | Siemens Ag | Verfahren zur Zuweisung von Funkressourcen und Netzeinrichtung in einem Mehrträgerfunkkommunikationssystem |
US20050058153A1 (en) * | 2003-09-15 | 2005-03-17 | John Santhoff | Common signaling method |
KR100969780B1 (ko) * | 2003-10-31 | 2010-07-13 | 삼성전자주식회사 | 직교 주파수 분할 다중 방식 통신 시스템에서 파일럿 신호 송수신 장치 및 방법 |
US7583586B2 (en) * | 2004-07-02 | 2009-09-01 | Samsung Electronics Co., Ltd | Apparatus and method for transmitting/receiving pilot signal in communication system using OFDM scheme |
RU2265278C1 (ru) * | 2004-10-01 | 2005-11-27 | Денисенко Виктор Петрович | Способ и устройство для передачи и приема сигналов с ограниченным спектром (варианты) |
US8831115B2 (en) * | 2004-12-22 | 2014-09-09 | Qualcomm Incorporated | MC-CDMA multiplexing in an orthogonal uplink |
WO2006102745A1 (en) * | 2005-03-30 | 2006-10-05 | Nortel Networks Limited | Method and system for combining ofdm and transformed ofdm |
EP1911173B1 (en) * | 2005-07-27 | 2018-09-12 | BlackBerry Limited | Pilots for frequency division multiple access communications |
US7940641B2 (en) * | 2005-07-29 | 2011-05-10 | Panasonic Corporation | Wireless communication base station apparatus, wireless communication mobile station apparatus and pilot signal sequence allocating method in multicarrier communication |
ES2540931T3 (es) * | 2006-01-18 | 2015-07-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Transmisión localizada y distribuida |
US7729433B2 (en) * | 2006-03-07 | 2010-06-01 | Motorola, Inc. | Method and apparatus for hybrid CDM OFDMA wireless transmission |
JP4736934B2 (ja) * | 2006-04-28 | 2011-07-27 | 日本電気株式会社 | 無線通信システム、パイロット系列割り当て装置及びそれらに用いるパイロット系列割り当て方法 |
US7701919B2 (en) * | 2006-05-01 | 2010-04-20 | Alcatel-Lucent Usa Inc. | Method of assigning uplink reference signals, and transmitter and receiver thereof |
CN104244439B (zh) * | 2006-06-01 | 2018-05-11 | 华为技术有限公司 | 移动站与基站之间的连接处理方法、移动站和基站 |
US8417248B2 (en) * | 2006-08-14 | 2013-04-09 | Texas Instruments Incorporated | Methods and apparatus to schedule uplink transmissions in wireless communication systems |
US8295262B2 (en) * | 2006-08-15 | 2012-10-23 | Texas Instruments Incorporated | Uplink reference signal for time and frequency scheduling of transmissions |
JP5077525B2 (ja) * | 2006-08-22 | 2012-11-21 | 日本電気株式会社 | 無線通信システムにおけるリファレンス信号多重方法および無線通信装置 |
JP4885225B2 (ja) * | 2006-09-08 | 2012-02-29 | パナソニック株式会社 | マルチキャリア送信装置 |
JP4940867B2 (ja) * | 2006-09-29 | 2012-05-30 | 日本電気株式会社 | 移動通信システムにおける制御信号およびリファレンス信号の多重方法、リソース割当方法および基地局 |
US7778151B2 (en) * | 2006-10-03 | 2010-08-17 | Texas Instruments Incorporated | Efficient scheduling request channel for wireless networks |
CN101536334B (zh) * | 2006-11-01 | 2014-01-15 | 高通股份有限公司 | 用于在正交无线通信系统中进行小区搜索的参考信号设计 |
KR20080072508A (ko) * | 2007-02-02 | 2008-08-06 | 엘지전자 주식회사 | 다양한 자원 블록 길이를 가지는 시퀀스 할당 방법 및 이를위한 시퀀스 그룹핑 방법 |
JP4935993B2 (ja) * | 2007-02-05 | 2012-05-23 | 日本電気株式会社 | 無線通信システムにおけるリファレンス信号生成方法および装置 |
JP5042320B2 (ja) * | 2007-03-29 | 2012-10-03 | エルジー エレクトロニクス インコーポレイティド | 無線通信システムにおけるサウンディング基準信号伝送方法 |
JP4465370B2 (ja) * | 2007-06-19 | 2010-05-19 | 株式会社エヌ・ティ・ティ・ドコモ | 基地局装置、送信方法、及び無線通信システム |
KR20090006708A (ko) * | 2007-07-12 | 2009-01-15 | 엘지전자 주식회사 | 스케줄링 요청 신호 전송 방법 |
US8170126B2 (en) * | 2007-09-21 | 2012-05-01 | Texas Instruments Incorporated | Reference signal structure for OFDM based transmissions |
JP5126352B2 (ja) * | 2008-03-03 | 2013-01-23 | 富士通株式会社 | 無線通信装置及び無線通信方法 |
US7729237B2 (en) * | 2008-03-17 | 2010-06-01 | Lg Electronics Inc. | Method of transmitting reference signal and transmitter using the same |
EP2260667B1 (en) | 2008-03-25 | 2014-07-23 | Telefonaktiebolaget L M Ericsson (publ) | Timing of component carriers in multi-carrier wireless networks |
ES2440695T3 (es) * | 2008-03-25 | 2014-01-30 | Telefonaktiebolaget L M Ericsson (Publ) | Selección de portadora de anclaje en red inalámbrica de portadoras múltiples |
WO2009154530A1 (en) | 2008-06-19 | 2009-12-23 | Telefonaktiebolaget L M Ericsson (Publ) | Signalling resource allocation in a telecommunications network |
CN101616438A (zh) * | 2008-06-24 | 2009-12-30 | 华为技术有限公司 | 多载波系统信号发射、接收方法及装置 |
AU2009278677B2 (en) * | 2008-08-04 | 2014-12-04 | Sun Patent Trust | Base station, terminal, band allocation method, and downlink data communication method |
KR101581956B1 (ko) * | 2008-10-22 | 2016-01-04 | 엘지전자 주식회사 | 무선통신 시스템에서 신호 전송 방법 및 장치 |
KR101549022B1 (ko) * | 2008-11-03 | 2015-09-01 | 엘지전자 주식회사 | 상향링크 및 하향링크 멀티 캐리어를 지원하는 무선통신 시스템에 있어서, 사용자 기기의 기지국에의 임의 접속방법 |
KR101581756B1 (ko) * | 2008-12-29 | 2016-01-12 | 삼성전자주식회사 | 다중 반송파 전송 방식을 사용하는 상향링크 무선 통신 시스템에서의 사운딩 레퍼런스 신호 전송 방법 및 이를 위한 장치 |
CN102362455A (zh) * | 2009-04-10 | 2012-02-22 | 日本电气株式会社 | 无线通信系统、基站、终端、无线通信方法和程序 |
US8891480B2 (en) * | 2009-07-01 | 2014-11-18 | Qualcomm Incorporated | Positioning reference signals in a telecommunication system |
US9497756B2 (en) * | 2012-03-25 | 2016-11-15 | Comcast Cable Communications, Llc | Base station radio resource management |
EP3316534A1 (en) * | 2016-10-27 | 2018-05-02 | Fraunhofer Gesellschaft zur Förderung der Angewand | Channel estimation of frequency sub bands |
CN115021879A (zh) * | 2017-08-21 | 2022-09-06 | 中兴通讯股份有限公司 | 参考信号传输方法及装置、终端、基站和存储介质 |
CN114826534A (zh) * | 2018-04-16 | 2022-07-29 | 中兴通讯股份有限公司 | Ta信息、对应关系的确定方法,电子装置及存储介质 |
KR20200111415A (ko) * | 2019-03-19 | 2020-09-29 | 삼성전자주식회사 | 무선 통신 시스템에서 자원할당 방법 및 장치 |
KR20210007706A (ko) * | 2019-07-12 | 2021-01-20 | 삼성전자주식회사 | 무선 통신 시스템에서 단말의 채널 상태 정보 처리 유닛의 점유 시간을 설정하는 방법 및 장치 |
EP3977665A4 (en) * | 2020-04-09 | 2022-07-27 | Samsung Electronics Co., Ltd. | METHOD AND DEVICE FOR TRANSMITTING AND RECEIVING A SIGNAL IN A WIRELESS COMMUNICATION SYSTEM |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007122828A1 (ja) * | 2006-04-25 | 2007-11-01 | Nec Corporation | パイロット信号伝送方法および無線通信装置 |
JP2007336437A (ja) * | 2006-06-19 | 2007-12-27 | Nec Corp | 帯域割当方法および無線通信システム |
JP2009018632A (ja) | 2007-07-10 | 2009-01-29 | Toyota Motor Corp | 定速走行制御装置および定速走行制御方法 |
Non-Patent Citations (11)
Title |
---|
"2009 IEICE Communications Society Conference Koen Ronbunshu 1, 01 September 2009 (01.09.2009)", article YOSHIHIKO OGAWA ET AL.: "LTE-Advanced Nobori Hirenzoku Taiiki Wariate ni Okeru Pilot Shingo no Kento", pages: 375, XP008168979 * |
"E-UTRA Multiplexing and channel coding (Release 8", 3GPP TS 36.212 V8.3.0, May 2008 (2008-05-01) |
"Physical Channels and Modulation (Release 8", 3GPP TS 36.211 V8.3.0, May 2008 (2008-05-01) |
"System performance of uplink non-contiguous resource allocation", RI-090257 |
INOUE T. ET AL.: "Performance Evaluation on Cubic Metric of Reference Signal in Discontinuous Spectrum Transmission", 2008 IEICE COMMUNCATIONS SOCIETY CONFERENCE KOEN ROBUNSHU, 2 September 2008 (2008-09-02), pages 334, XP008140928 * |
MOTOROLA: "UL DM RS for LTE-A", 3GPP RAN WG1 #59 RL-094855, 9 November 2009 (2009-11-09), pages 1 - 6, XP050597851 * |
NEC GROUP ET AL.: "Mapping of UL RS sequence for clustered DFT-S-OFDM", 3 GPP TSG RAN WG1 MEETING#58BIS, R1-093865, 12 October 2009 (2009-10-12) - 16 October 2009 (2009-10-16), pages 1 - 4, XP050388370 * |
NEC GROUP ET AL.: "Mapping of UL RS sequence for clustered DFT-S-OFDM", 3GPP TSG RAN WG1 MEETING#59, R1-094733, 9 November 2009 (2009-11-09) - 13 November 2009 (2009-11-13), pages 1 - 4, XP050389130 * |
PANASONIC: "Views on UL DM-RS", 3GPP TSG RAN WG1 MEETING#59, R1-094508, 9 November 2009 (2009-11-09) - 13 November 2009 (2009-11-13), pages 1 - 4, XP050388928 * |
TAKAMICHI INOUE ET AL.: "Proposal on Generation Method of Reference Signal in LTE-Advanced Uplink", IEICE TECHNICAL REPORT, vol. 109, no. 341, 10 December 2009 (2009-12-10), pages 125 - 129, XP008167715 * |
YOSHIHIKO OGAWA ET AL.: "Pilot Signal Receiving Process on a Non-contiguous Data Assignment for LTE-advanced Uplink", IEICE TECHNICAL REPORT, vol. 109, no. 369, 14 January 2010 (2010-01-14), pages 121 - 126, XP008167714 * |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2010116881A1 (ja) * | 2009-04-10 | 2012-10-18 | 日本電気株式会社 | 無線通信システム、基地局、サーバ、無線通信方法、及びプログラム |
JPWO2010116880A1 (ja) * | 2009-04-10 | 2012-10-18 | 日本電気株式会社 | 無線通信システム、基地局、端末、無線通信方法及びプログラム |
US8953533B2 (en) | 2009-04-10 | 2015-02-10 | Nec Corporation | Wireless communication system, base station, server, wireless communication method, and program |
EP2571199A1 (en) * | 2011-09-19 | 2013-03-20 | Alcatel Lucent | Method and apparatus for assessing the quality of a communication channel in a multi-domain network |
WO2013041327A1 (en) * | 2011-09-19 | 2013-03-28 | Alcatel Lucent | Method and apparatus for assessing the quality of a communication channel in a multi-domain network |
CN103814548A (zh) * | 2011-09-19 | 2014-05-21 | 阿尔卡特朗讯 | 用于评估多域网络中通信信道的质量的方法和装置 |
US9462494B2 (en) | 2011-09-19 | 2016-10-04 | Alcatel Lucent | Method and apparatus for assessing the quality of a communication channel in a multi-domain network |
JP2016536928A (ja) * | 2013-09-25 | 2016-11-24 | エヌイーシー(チャイナ)カンパニー, リミテッドNEC(China)Co.,Ltd. | 無線通信システムにおけるアップリンク・データ送信のための方法及び装置 |
US9998267B2 (en) | 2013-09-25 | 2018-06-12 | Nec (China) Co., Ltd. | Method and apparatus for uplink data transmission in a wireless communication system |
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