WO2007111186A1 - 基地局、移動局および伝搬路測定用信号の送信制御方法 - Google Patents
基地局、移動局および伝搬路測定用信号の送信制御方法 Download PDFInfo
- Publication number
- WO2007111186A1 WO2007111186A1 PCT/JP2007/055576 JP2007055576W WO2007111186A1 WO 2007111186 A1 WO2007111186 A1 WO 2007111186A1 JP 2007055576 W JP2007055576 W JP 2007055576W WO 2007111186 A1 WO2007111186 A1 WO 2007111186A1
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- WIPO (PCT)
- Prior art keywords
- transmission
- measurement signal
- mobile station
- base station
- propagation path
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 94
- 230000008054 signal transmission Effects 0.000 title claims description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 129
- 108010076504 Protein Sorting Signals Proteins 0.000 claims abstract description 22
- 238000013506 data mapping Methods 0.000 claims abstract description 13
- 238000013507 mapping Methods 0.000 claims abstract description 5
- 238000005259 measurement Methods 0.000 claims description 86
- 239000003818 cinder Substances 0.000 claims description 3
- 238000000691 measurement method Methods 0.000 claims 1
- 238000004891 communication Methods 0.000 description 5
- 238000007726 management method Methods 0.000 description 5
- 238000010295 mobile communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 108010003272 Hyaluronate lyase Proteins 0.000 description 2
- NJLAGDPRCAPJIF-MHSJTTIKSA-N (8S)-1',3',9-trihydroxy-6'-methoxy-3-[(1E,3E)-penta-1,3-dienyl]spiro[6,7-dihydro-2H-cyclopenta[g]isoquinoline-8,2'-cyclopenta[b]naphthalene]-1,4',5',8',9'-pentone Chemical compound COc1cc(=O)c2c(c1=O)c(=O)c1=C(O)[C@]3(CCc4cc5cc(\C=C\C=C\C)[nH]c(=O)c5c(O)c34)C(O)=c1c2=O NJLAGDPRCAPJIF-MHSJTTIKSA-N 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
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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
-
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Definitions
- Base station mobile station, and transmission path measurement signal transmission control method
- the present invention relates to a base station, a mobile station, and a transmission path measurement signal transmission control method.
- the 4th generation mobile communication system flexibly supports a multi-cell environment such as a cellular system to an isolated cell environment such as a hot spot area or indoors, and further improves the frequency utilization efficiency in both cell environments. It is hoped that it will increase.
- the following radio access system has been proposed for the link of the mobile station power to the base station (hereinafter referred to as uplink).
- Single carrier transmission system ! Jx.
- IiD3 ⁇ 4 CDMA (.airect sequence code division multiple a ccess) system
- IFDMA Interleaved Frequency Division Multiple Access
- VSCRF variable spreading factor 'chip repetition factor
- CDMA Variable Spreading and Chip Repetition Factors
- OFDM Orthogonal Frequency Divisi- on Multiplexing
- MC—CDMA Multi-carrier code division multiple access
- VS F-Spread OFDM Variable Spreading Factor Spread OFDM
- the peak power is small with respect to the power consumption of the terminal, so that the backoff of the transmission power amplifier can be reduced and the power efficiency is good.
- PAPR peak-to-peak
- -Single carrier transmission which can increase the efficiency of transmission amplifiers with a small average power ratio, is suitable. Also, by applying single carrier transmission, farther Since the transmission signal reaches, the coverage can be expanded.
- the user terminal is required to transmit data using a band in a better reception state. It is necessary to transmit a broadband state signal.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2004-297756
- the present invention has been made in view of the above problems, and provides a base station, a mobile station, and a transmission method of a propagation path state measurement signal that can improve the measurement accuracy of the propagation path state. With the goal.
- a base station of the present invention includes:
- One of the features is that it comprises a transmission method notification means for notifying the mobile station of information indicating the determined transmission method.
- the mobile station it is possible to cause the mobile station to transmit a signal for measuring the propagation path state at intervals in the frequency domain using a multicarrier signal. Further, it is possible to measure the reception channel state over a wide frequency range without increasing the total transmission bandwidth of the propagation path state measurement signal, that is, without reducing the power density.
- the channel state One of the features is that data mapping means for mapping the signal sequence of the measurement signal to the subcarrier is provided.
- a transmission control method for a propagation path measurement signal of the present invention includes:
- the signal sequence of the propagation path state measurement signal is converted into a subcarrier.
- the mobile station has a propagation path measurement signal transmission step of transmitting the propagation path measurement signal.
- the base station can cause the mobile station to transmit a signal for measuring the propagation path state at intervals in the frequency domain using a multicarrier signal.
- the base station must measure the state of the reception channel in a wide frequency range without increasing the total transmission bandwidth of the propagation path state measurement signal, that is, without reducing the power density. Can do.
- FIG. 1 is a partial block diagram showing a transmission apparatus according to an embodiment of the present invention.
- FIG. 2 is an explanatory diagram showing transmission band allocation of a channel state measurement signal according to an embodiment of the present invention.
- FIG. 3 Assignment of transmission band of a propagation path state measurement signal according to an embodiment of the present invention. It is explanatory drawing shown.
- FIG. 4 is a partial block diagram illustrating a receiving apparatus according to an embodiment of the present invention.
- FIG. 5 is a flowchart showing the operation of the wireless communication system according to one embodiment of the present invention. Explanation of symbols
- the radio communication system includes a base station 100 and a mobile station 200.
- Base station 100 includes a transmission device, and transmission device receives transmission method determination unit 102 to which path loss and maximum transmission power value notified from mobile station 200 are input, and the output signal of transmission method determination unit 102 is input.
- a code management unit 110 connected to the code allocation unit 106;
- Transmission scheme determining section 102 determines the transmission scheme of the propagation path state measurement signal transmitted by mobile station 200. For example, the transmission scheme determination unit 102 determines whether to transmit a propagation path state measurement signal to each user using a single carrier transmission scheme or to transmit a propagation path state measurement signal using a multicarrier transmission scheme.
- the transmission scheme determining unit 102 determines that a user located in the vicinity of the base station is to transmit a channel state measurement signal by the multicarrier transmission scheme. Further, transmission scheme determining section 102 determines that a user other than the users located in the vicinity of the base station is to transmit a propagation path state measurement signal using the single carrier transmission scheme.
- the transmission method determination unit 102 performs path loss and maximum transmission power notified from the mobile station 200. Based on the force value, it is determined whether to transmit the channel measurement signal using the multicarrier system or the single carrier system.
- the mobile station 200 transmits a propagation path measurement signal in a wide band, the transmission power per unit band becomes small. Therefore, in base station 100, the reception level of the received channel measurement signal is lowered, and the measurement accuracy is deteriorated. In this case, at base station 100
- the mobile stations that can transmit in a wide band are limited.
- the mobile station that transmits by the multi-carrier scheme and the mobile station that transmits by the single-carrier scheme are frequency division multiplexed (FDM).
- code division multiple access may be used between mobile stations transmitting by the multicarrier method.
- frequency division multiple access may be used between mobile stations that transmit using the multicarrier method.
- frequency division multiple access FDM A
- code division multiple access CDMA
- IFDMA may be performed between a mobile station transmitting using the multicarrier scheme and a mobile station transmitting using the single carrier scheme.
- frequency division multiple access F DMA
- code division multiple access CDMA
- FDMA frequency division multiple access
- CDMA code division multiple access
- the base station 100 does not widen the total transmission bandwidth of the propagation path state measurement signal, that is, without reducing the power density, the reception channel in a wide frequency range.
- the state can be measured.
- a user terminal having a sufficient transmission power is caused to transmit a signal for measuring a propagation path state at intervals in the frequency domain by a multicarrier method.
- transmission scheme determining section 102 estimates transmission power that gives a predefined reception quality based on the notified path loss, and the difference between the maximum transmission power value and the estimated value is a predetermined threshold value. It is decided to transmit the channel measurement signal to the above mobile station using the multicarrier method. Determine.
- Transmission band determining section 104 determines the transmission band of the propagation path state measurement signal.
- the transmission band determining unit 104 does not transmit a channel state measurement signal to the mobile station determined by the transmission method determining unit 102 using the multicarrier transmission method but on the frequency axis instead of a continuous band. Allocate continuous bandwidth. Further, the transmission band determining unit 104 allocates a continuous band by narrowing the band to the mobile station determined by the transmission method determining unit 102 to transmit the channel state measurement signal by the single carrier transmission method.
- the transmission band determining unit 104 determines that the system bandwidth is to be transmitted. If it is determined that the system bandwidth is to be transmitted, a plurality of discontinuous frequency blocks are allocated among the frequency blocks obtained by dividing the system bandwidth into blocks of continuous frequency subcarrier power (UEs with sufficient transmission power), If it is determined to transmit using the single carrier method, one or more frequency blocks that are contiguous in the frequency domain are assigned (UE with no margin for transmission power).
- the mobile station 200 transmits a channel measurement signal using the allocated band.
- the base station 100 performs scheduling based on the reception state of the propagation path measurement signal, and sets the transmission band of the data channel within the range of the band in which each mobile station transmits the propagation path measurement signal. assign.
- the transmission band determination unit 104 determines that the transmission frequency is transmitted by a plurality of discontinuous frequency blocks having a frequency subcarrier power that is discretely distributed within the system bandwidth.
- a plurality of discontinuous frequency blocks are allocated. If a certain UE) decides to transmit using a single carrier scheme, it allocates one or more continuous distributed frequency blocks (UE with no available transmission power).
- Mobile station 200 transmits a channel measurement signal using the allocated band.
- the base station 100 executes scheduling based on the reception state of the propagation path measurement signal, Allocate a band for data channel transmission within the range of the band in which each mobile station transmits the signal for channel measurement.
- the transmission band management unit 108 manages the allocation status of the frequency bands allocated by the transmission band determination unit 104. That is, the transmission bandwidth management unit 108 manages the usage status of the current bandwidth by the user and the power that which user is using which bandwidth.
- the code assigning unit 106 determines the code of the channel state measurement signal. For example, the code assignment unit 106 assigns a code so that each mobile station that transmits a channel measurement signal is orthogonal on the frequency axis. Further, the code allocation unit 106 notifies the mobile station 200 of the transmission state, transmission band, and code of the propagation path state measurement signal.
- the code management unit 110 manages the code assignment status for the channel state measurement signal. That is, the code management unit 110 manages the usage status of the code.
- the mobile station 200 includes a receiving device, and the receiving device receives a transmission signal sequence generation unit 202 to which information indicating a propagation path state measurement code notified by the base station 100 is input, and a transmission signal sequence generation unit.
- a DFT (Discrete Fourier transform) unit 204 to which an output signal of 202 is input, a data mapping unit to which an output signal of the DFT unit 204, information indicating a band notified by the base station 100 and information indicating a transmission method are input 206 and an IFFT (Inverse Fast Fourier Transform) unit 208 to which an output signal of the data mapping unit 206 is input.
- IFFT Inverse Fast Fourier Transform
- Transmission signal sequence generation section 202 generates a signal sequence of a channel state measurement signal based on the notified code, and inputs it to DFT section 204.
- the DFT unit 204 performs a discrete Fourier transform process on the input signal sequence of the propagation path state measurement signal, generates a signal sequence, and inputs the signal sequence to the data mapping unit 206. For example, the DFT unit 204 converts a time domain waveform into a frequency domain waveform.
- Data mapping section 206 maps the generated signal sequence to subcarriers based on the notified transmission method and transmission band, and inputs them to IFFT section 208.
- the data mapping unit 206 Is a signal sequence of channel state measurement signals in a plurality of discontinuous frequency blocks among the frequency blocks obtained by dividing the system bandwidth into frequency subcarrier blocks when it is determined that transmission is performed by the multicarrier method. If it is determined that the system bandwidth is to be transmitted by the single carrier method, the signal sequence of the channel state measurement signal is mapped to a frequency block obtained by dividing the system bandwidth into continuous frequency subcarrier blocks.
- the data mapping unit 206 is determined to transmit using a multicarrier scheme.
- the signal sequence of the channel state measurement signal is mapped to a plurality of discontinuous frequency blocks among the dispersive frequency blocks having the frequency subcarrier power discretely dispersed within the system bandwidth, and the cinder
- the signal sequence of the channel state measurement signal is mapped to the distributed frequency block having the frequency subcarrier power dispersed discretely within the system bandwidth.
- IFFT section 208 performs an inverse Fourier transform process on the signal sequence mapped to the subcarrier, and transmits the result.
- the mobile station 200 measures the path loss between the mobile station 200 and the base station 100 by measuring the transmission power using the downlink pilot signal that the base station 100 always transmits, and the mobile station 200 Together with the maximum transmission power value of the base station 100 (step S502).
- the base station 100 determines the propagation path state measurement signal based on the path loss between the mobile station and the base station notified from the mobile station 200 and the maximum transmission power value of the mobile station! The transmission method is determined (step S504).
- base station 100 determines the transmission band and code of the propagation path state measurement signal of mobile station 200 (step S506).
- Base station 100 determines a transmission band and a code of a channel state measurement signal at a predetermined cycle.
- base station 100 assigns a code so that each mobile station is orthogonal on the frequency axis.
- base station 100 notifies mobile station 200 of the transmission state, transmission band, and code of the propagation path state measurement signal (step S508).
- mobile station 200 transmits a channel state measurement signal using the transmission method, transmission band and code notified from base station 100 (step S510).
- base station 100 determines the propagation state measurement signal reception state of each mobile station.
- step S512 scheduling is performed, and a band for data channel transmission is allocated within the range of the band in which each mobile station transmits a propagation path state measurement signal (step S512).
- the base station, mobile station, and propagation path measurement signal transmission control method according to the present invention can be applied to a radio communication system.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07739019A EP1998482A4 (en) | 2006-03-20 | 2007-03-19 | BASE STATION, MOBILE STATION AND METHOD FOR CONTROLLING SPEECH PATH MEASUREMENT SIGNAL TRANSMISSION |
BRPI0709040-4A BRPI0709040A2 (pt) | 2006-03-20 | 2007-03-19 | método para controle de transmissão de sinal com medição de estação base, estação móvel e de percurso de propagação |
MX2008011887A MX2008011887A (es) | 2006-03-20 | 2007-03-19 | Estacion base, estacion movil y metodo de control de transmision de señales que miden la via de propagacion. |
CN2007800162076A CN101438522B (zh) | 2006-03-20 | 2007-03-19 | 基站、移动台以及传播路径测定用信号的发送控制方法 |
US12/293,511 US8345636B2 (en) | 2006-03-20 | 2007-03-19 | Base station, mobile station, and propagation path measuring signal transmission control method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-077816 | 2006-03-20 | ||
JP2006077816A JP5065609B2 (ja) | 2006-03-20 | 2006-03-20 | 基地局、移動局および伝搬路測定用信号の送信制御方法 |
Publications (1)
Publication Number | Publication Date |
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WO2007111186A1 true WO2007111186A1 (ja) | 2007-10-04 |
Family
ID=38541106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/055576 WO2007111186A1 (ja) | 2006-03-20 | 2007-03-19 | 基地局、移動局および伝搬路測定用信号の送信制御方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US8345636B2 (ja) |
EP (1) | EP1998482A4 (ja) |
JP (1) | JP5065609B2 (ja) |
KR (1) | KR20090008209A (ja) |
CN (1) | CN101438522B (ja) |
BR (1) | BRPI0709040A2 (ja) |
MX (1) | MX2008011887A (ja) |
RU (1) | RU2416878C2 (ja) |
TW (1) | TW200803225A (ja) |
WO (1) | WO2007111186A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009110054A1 (ja) * | 2008-03-03 | 2009-09-11 | 富士通株式会社 | 無線通信装置及び無線通信方法 |
WO2009147296A1 (en) * | 2008-06-03 | 2009-12-10 | Nokia Corporation | Cell search for flexible spectrum use |
CN101978730A (zh) * | 2008-03-25 | 2011-02-16 | 富士通株式会社 | 无线通信方法、终端装置、基站装置及无线通信系统 |
JP2011523268A (ja) * | 2008-05-16 | 2011-08-04 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | 単一のスペクトラム集約を用いる無線(asingleradioaggregatedspectrum)受信器のための方法、コンピュータプログラム、受信器及び端末 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4769657B2 (ja) * | 2006-07-28 | 2011-09-07 | 京セラ株式会社 | 無線通信方法及び無線通信端末 |
JP4829049B2 (ja) * | 2006-08-30 | 2011-11-30 | 京セラ株式会社 | 無線通信方法及び無線基地局 |
CN102014447A (zh) * | 2008-03-25 | 2011-04-13 | 富士通株式会社 | 无线通信方法、终端装置、基站装置及无线通信系统 |
US8654692B2 (en) * | 2008-10-30 | 2014-02-18 | Panasonic Corporation | Wireless communication apparatus and wireless communication method |
AU2009315179B2 (en) * | 2008-11-14 | 2013-11-14 | Sun Patent Trust | Wireless communication terminal apparatus, wireless communication base station apparatus, and cluster constellation setting method |
CN101990194A (zh) * | 2009-08-04 | 2011-03-23 | 中兴通讯股份有限公司 | 快乐位的上报方法、终端以及网络侧 |
CN103053201B (zh) * | 2010-08-12 | 2016-04-06 | 富士通株式会社 | 通信设定方法、无线基站、移动台 |
US8848698B2 (en) * | 2011-10-22 | 2014-09-30 | Lg Electronics Inc. | Scheduling method in multiple access system and apparatus using the same |
US10231248B2 (en) | 2014-03-04 | 2019-03-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and devices for managing connectivity for a service |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003005652A1 (en) * | 2001-07-06 | 2003-01-16 | Intersil Americas Inc. | Wireless communication system configured to communicate using a mixed waveform configuration |
WO2003005740A2 (en) * | 2001-07-06 | 2003-01-16 | Intersil Americas Inc. | Burst configuration with single carrier and multicarrier sections |
WO2003028329A2 (en) * | 2001-09-26 | 2003-04-03 | Intersil Americas Inc. | Single-carrier and multicarrier receiver architecture |
JP2004080333A (ja) * | 2002-08-16 | 2004-03-11 | Nec Saitama Ltd | マルチキャリア送信機及びそのシングルキャリア送信方法 |
JP2004297756A (ja) | 2003-02-06 | 2004-10-21 | Ntt Docomo Inc | 移動局、基地局、無線伝送プログラム、及び無線伝送方法 |
JP2005020599A (ja) * | 2003-06-27 | 2005-01-20 | Toshiba Corp | 無線装置 |
JP2006077816A (ja) | 2004-09-07 | 2006-03-23 | Hokushin Ind Inc | ブッシュの絞り加工治具 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6175550B1 (en) * | 1997-04-01 | 2001-01-16 | Lucent Technologies, Inc. | Orthogonal frequency division multiplexing system with dynamically scalable operating parameters and method thereof |
JP2001320346A (ja) * | 2000-02-29 | 2001-11-16 | Toshiba Corp | 直交周波数分割多重変調とスペクトル拡散を併用する送信装置、受信装置および基地局 |
US6535739B1 (en) * | 2000-04-07 | 2003-03-18 | Qualcomm Incorporated | Method of handoff within a telecommunications system containing digital base stations with different spectral capabilities |
TW529313B (en) * | 2000-07-05 | 2003-04-21 | Ericsson Telefon Ab L M | Allocated frequency spectrum sharing between wideband and narrowband radio access technologies |
US6760317B1 (en) * | 2000-07-06 | 2004-07-06 | Nokia Mobile Phones Ltd. | Adaptive transmission channel allocation method and system for ISM and unlicensed frequency bands |
JP2002125260A (ja) * | 2000-10-12 | 2002-04-26 | Sony Corp | 無線通信方法及び無線通信端末 |
US6810236B2 (en) | 2001-05-14 | 2004-10-26 | Interdigital Technology Corporation | Dynamic channel quality measurement procedure for adaptive modulation and coding techniques |
EP1557057A4 (en) | 2002-11-01 | 2006-12-13 | Interdigital Tech Corp | METHOD FOR PREDICTING THE QUALITY OF THE WAY IN WIRELESS COMMUNICATION SYSTEMS |
FR2851384B1 (fr) * | 2003-02-17 | 2009-12-18 | Wavecom | Procede de transmission de donnees radio, signal, systeme et dispositifs correspondant. |
US8422434B2 (en) * | 2003-02-18 | 2013-04-16 | Qualcomm Incorporated | Peak-to-average power ratio management for multi-carrier modulation in wireless communication systems |
US7203459B2 (en) * | 2003-04-03 | 2007-04-10 | Pctel, Inc. | Mode adaptation in wireless systems |
JP3771914B2 (ja) * | 2003-06-09 | 2006-05-10 | 日本テレコム株式会社 | パイロット信号送信方法及び基地局装置 |
DE60303109T2 (de) * | 2003-07-28 | 2006-07-27 | Alcatel | Verfahren und Vorrichtung zur Auswahl von Unterträgern gemäss Dienstqualitätsanforderungen in einem Mehrträgerkommunikationssystem |
JP4148884B2 (ja) * | 2003-12-02 | 2008-09-10 | 日立建機株式会社 | 建設機械のエンジンラグダウン抑制装置 |
EP1542488A1 (en) * | 2003-12-12 | 2005-06-15 | Telefonaktiebolaget LM Ericsson (publ) | Method and apparatus for allocating a pilot signal adapted to the channel characteristics |
US7433708B2 (en) * | 2004-02-04 | 2008-10-07 | Nokia Corporation | Variable bandwidth in a communication system |
JP2005241899A (ja) | 2004-02-26 | 2005-09-08 | Harison Toshiba Lighting Corp | バックライト |
KR100640516B1 (ko) | 2004-02-27 | 2006-10-30 | 삼성전자주식회사 | 직교주파수분할다중화 통신 시스템에서 채널품질 정보의전송방법 및 장치 |
JP4423097B2 (ja) | 2004-04-26 | 2010-03-03 | 京セラ株式会社 | 半導体素子搭載装置 |
JP2006074492A (ja) * | 2004-09-02 | 2006-03-16 | Matsushita Electric Ind Co Ltd | 基地局装置、通信端末装置及びリソース割り当て方法 |
CN101390359A (zh) * | 2004-10-15 | 2009-03-18 | 艾利森电话股份有限公司 | 信号调制的各种分辨率级别取决于传播条件的无线电通信的方法和系统 |
US7957351B2 (en) * | 2005-04-04 | 2011-06-07 | Qualcomm Incorporated | Method and apparatus for management of multi-carrier communications in a wireless communication system |
US7751368B2 (en) * | 2006-05-01 | 2010-07-06 | Intel Corporation | Providing CQI feedback to a transmitter station in a closed-loop MIMO system |
-
2006
- 2006-03-20 JP JP2006077816A patent/JP5065609B2/ja not_active Expired - Fee Related
-
2007
- 2007-03-19 MX MX2008011887A patent/MX2008011887A/es active IP Right Grant
- 2007-03-19 KR KR1020087024528A patent/KR20090008209A/ko not_active Application Discontinuation
- 2007-03-19 EP EP07739019A patent/EP1998482A4/en not_active Withdrawn
- 2007-03-19 US US12/293,511 patent/US8345636B2/en not_active Expired - Fee Related
- 2007-03-19 CN CN2007800162076A patent/CN101438522B/zh not_active Expired - Fee Related
- 2007-03-19 BR BRPI0709040-4A patent/BRPI0709040A2/pt not_active IP Right Cessation
- 2007-03-19 RU RU2008141084/09A patent/RU2416878C2/ru not_active IP Right Cessation
- 2007-03-19 WO PCT/JP2007/055576 patent/WO2007111186A1/ja active Application Filing
- 2007-03-20 TW TW096109536A patent/TW200803225A/zh not_active IP Right Cessation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003005652A1 (en) * | 2001-07-06 | 2003-01-16 | Intersil Americas Inc. | Wireless communication system configured to communicate using a mixed waveform configuration |
WO2003005740A2 (en) * | 2001-07-06 | 2003-01-16 | Intersil Americas Inc. | Burst configuration with single carrier and multicarrier sections |
WO2003028329A2 (en) * | 2001-09-26 | 2003-04-03 | Intersil Americas Inc. | Single-carrier and multicarrier receiver architecture |
JP2004080333A (ja) * | 2002-08-16 | 2004-03-11 | Nec Saitama Ltd | マルチキャリア送信機及びそのシングルキャリア送信方法 |
JP2004297756A (ja) | 2003-02-06 | 2004-10-21 | Ntt Docomo Inc | 移動局、基地局、無線伝送プログラム、及び無線伝送方法 |
JP2005020599A (ja) * | 2003-06-27 | 2005-01-20 | Toshiba Corp | 無線装置 |
JP2006077816A (ja) | 2004-09-07 | 2006-03-23 | Hokushin Ind Inc | ブッシュの絞り加工治具 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1998482A4 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009110054A1 (ja) * | 2008-03-03 | 2009-09-11 | 富士通株式会社 | 無線通信装置及び無線通信方法 |
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 |
US8761275B2 (en) | 2008-03-03 | 2014-06-24 | Fujitsu Limited | Wireless communication apparatus and method for wireless communication |
US8938017B2 (en) | 2008-03-03 | 2015-01-20 | Fujitsu Limited | Wireless communication apparatus and method for wireless communication |
CN101978730A (zh) * | 2008-03-25 | 2011-02-16 | 富士通株式会社 | 无线通信方法、终端装置、基站装置及无线通信系统 |
US8600313B2 (en) | 2008-03-25 | 2013-12-03 | Fujitsu Limited | Radio communication method in radio communication system, terminal apparatus, base station apparatus, and radio communication system |
JP2011523268A (ja) * | 2008-05-16 | 2011-08-04 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | 単一のスペクトラム集約を用いる無線(asingleradioaggregatedspectrum)受信器のための方法、コンピュータプログラム、受信器及び端末 |
WO2009147296A1 (en) * | 2008-06-03 | 2009-12-10 | Nokia Corporation | Cell search for flexible spectrum use |
US9491689B2 (en) | 2008-06-03 | 2016-11-08 | Nokia Corporation | Cell search for flexible spectrum use |
Also Published As
Publication number | Publication date |
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US20090225666A1 (en) | 2009-09-10 |
CN101438522A (zh) | 2009-05-20 |
US8345636B2 (en) | 2013-01-01 |
RU2008141084A (ru) | 2010-04-27 |
TWI337476B (ja) | 2011-02-11 |
BRPI0709040A2 (pt) | 2011-06-21 |
EP1998482A4 (en) | 2012-12-26 |
KR20090008209A (ko) | 2009-01-21 |
RU2416878C2 (ru) | 2011-04-20 |
EP1998482A1 (en) | 2008-12-03 |
MX2008011887A (es) | 2008-09-30 |
JP5065609B2 (ja) | 2012-11-07 |
TW200803225A (en) | 2008-01-01 |
JP2007258839A (ja) | 2007-10-04 |
CN101438522B (zh) | 2012-02-08 |
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