JP5238426B2 - 移動局 - Google Patents
移動局 Download PDFInfo
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- JP5238426B2 JP5238426B2 JP2008242909A JP2008242909A JP5238426B2 JP 5238426 B2 JP5238426 B2 JP 5238426B2 JP 2008242909 A JP2008242909 A JP 2008242909A JP 2008242909 A JP2008242909 A JP 2008242909A JP 5238426 B2 JP5238426 B2 JP 5238426B2
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- 230000005540 biological transmission Effects 0.000 claims description 85
- 238000004891 communication Methods 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 30
- 238000013507 mapping Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 6
- 238000010295 mobile communication Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 3
- 238000013468 resource allocation Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000007476 Maximum Likelihood Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
-
- 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
-
- 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]
-
- 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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Description
3GPP TSG RAN IMT Advanced Workshop、REV-080026、2008年4月
図1乃至図13を参照して、本発明の第1の実施形態に係る移動局UEの構成について説明する。本実施形態に係る移動局UEは、LTE-Advanced方式の移動通信システムで使用可能なものであって、MIMO通信を行うことができるように構成されている。
本実施形態に係る移動局UEによれば、OFDM方式、Clustered DFT-Spread OFDM方式又はMulticarrier DFT-S-OFDM方式が適用された場合には、非連続な無線リソース(例えば、A1及びA2)の割り当てを実現することができる。
10…スイッチ
11…DFT
12…S/P
13…サブキャリアマッピング部
14…パルス成形フィルタ
15…IFFT
16…CP挿入部
Claims (4)
- MIMO(Multiple Input Multiple Output)通信を行うように構成されている移動局であって、
使用する送信周波数帯域幅及び前記MIMO通信において利用する送信ストリーム数の少なくとも一方に基づいて、適用する無線アクセス方式を決定するように構成されている制御部を具備し、
前記制御部は、前記適用する無線アクセス方式として、Multicarrier DFT-S-OFDM方式を選択した場合、DFT単位で、使用するプリコーディングベクトルを決定し、前記DFT単位で異なるプリコーディングベクトルを用いることを特徴とする移動局。 - 前記制御部は、前記適用する無線アクセス方式に基づいて、送信する参照信号の構成を決定するように構成されていることを特徴とする請求項1に記載の移動局。
- 前記制御部は、OFDM方式、Clustered DFT-Spread OFDM方式、前記Multicarrier DFT-S-OFDM方式、DFT-Spread OFDM方式の少なくとも2つの中から、前記適用する無線アクセス方式を選択するように構成されていることを特徴とする請求項1に記載の移動局。
- 前記制御部は、前記適用する無線アクセス方式として、Clustered DFT-Spread OFDM方式を選択した場合、クラスター単位で、使用するプリコーディングベクトルを決定するように構成されていることを特徴とする請求項3に記載の移動局。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008242909A JP5238426B2 (ja) | 2008-09-22 | 2008-09-22 | 移動局 |
US13/120,337 US8630366B2 (en) | 2008-09-22 | 2009-09-18 | Mobile station |
PCT/JP2009/066346 WO2010032815A1 (ja) | 2008-09-22 | 2009-09-18 | 移動局 |
CN200980136950.4A CN102160312B (zh) | 2008-09-22 | 2009-09-18 | 移动台 |
EP09814659.0A EP2333996B1 (en) | 2008-09-22 | 2009-09-18 | Mobile station |
KR1020117006580A KR20110063476A (ko) | 2008-09-22 | 2009-09-18 | 이동국 |
PL09814659T PL2333996T3 (pl) | 2008-09-22 | 2009-09-18 | Stacja przenośna |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008242909A JP5238426B2 (ja) | 2008-09-22 | 2008-09-22 | 移動局 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010074760A JP2010074760A (ja) | 2010-04-02 |
JP5238426B2 true JP5238426B2 (ja) | 2013-07-17 |
Family
ID=42039636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008242909A Active JP5238426B2 (ja) | 2008-09-22 | 2008-09-22 | 移動局 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8630366B2 (ja) |
EP (1) | EP2333996B1 (ja) |
JP (1) | JP5238426B2 (ja) |
KR (1) | KR20110063476A (ja) |
CN (1) | CN102160312B (ja) |
PL (1) | PL2333996T3 (ja) |
WO (1) | WO2010032815A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5515559B2 (ja) | 2009-09-25 | 2014-06-11 | ソニー株式会社 | 通信システム、基地局、および通信装置 |
EP2557708B1 (en) * | 2010-04-05 | 2016-10-12 | Panasonic Intellectual Property Corporation of America | Transmission power control method and device |
JP5708345B2 (ja) | 2011-07-26 | 2015-04-30 | 富士通株式会社 | 無線装置、及び通信制御方法 |
US8649307B1 (en) * | 2011-08-02 | 2014-02-11 | Xilinx, Inc. | Mobile communication with modes for single carrier and spatial and frequency multiplexing |
US10009209B2 (en) | 2013-03-28 | 2018-06-26 | Huawei Technologies Co., Ltd. | System and method for generalized multi-carrier frequency division multiplexing |
US10397947B2 (en) | 2016-08-12 | 2019-08-27 | Qualcomm Incorporated | Adaptive waveform selection in wireless communications |
US11923918B2 (en) | 2018-07-27 | 2024-03-05 | Huawei Technologies Co., Ltd. | System and method for multi-antenna communications |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5539730A (en) * | 1994-01-11 | 1996-07-23 | Ericsson Ge Mobile Communications Inc. | TDMA/FDMA/CDMA hybrid radio access methods |
KR100938525B1 (ko) * | 2005-03-30 | 2010-01-25 | 후지쯔 가부시끼가이샤 | 이동 단말기, 무선 통신 장치 및 무선 통신 방법 |
US7961800B2 (en) * | 2005-09-07 | 2011-06-14 | Nec Corporation | Adaptive radio/modulation apparatus, receiver apparatus, wireless communication system, and wireless communication method |
EP2369803B1 (en) * | 2006-11-01 | 2013-08-28 | Qualcomm Incorporated | Joint use of multi-carrier and single-carrier multiplexing schemes for wireless communication |
CN101212288B (zh) * | 2006-12-28 | 2010-12-08 | 中兴通讯股份有限公司 | 一种ofdma系统中上行多用户空分复用方法 |
CN101127548A (zh) * | 2007-08-18 | 2008-02-20 | 姜永权 | 非协作虚拟mimo技术 |
JP5213586B2 (ja) * | 2008-08-25 | 2013-06-19 | 株式会社エヌ・ティ・ティ・ドコモ | ユーザ装置及び基地局装置並びに通信制御方法 |
-
2008
- 2008-09-22 JP JP2008242909A patent/JP5238426B2/ja active Active
-
2009
- 2009-09-18 EP EP09814659.0A patent/EP2333996B1/en active Active
- 2009-09-18 KR KR1020117006580A patent/KR20110063476A/ko not_active Application Discontinuation
- 2009-09-18 CN CN200980136950.4A patent/CN102160312B/zh active Active
- 2009-09-18 WO PCT/JP2009/066346 patent/WO2010032815A1/ja active Application Filing
- 2009-09-18 PL PL09814659T patent/PL2333996T3/pl unknown
- 2009-09-18 US US13/120,337 patent/US8630366B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
WO2010032815A1 (ja) | 2010-03-25 |
KR20110063476A (ko) | 2011-06-10 |
EP2333996B1 (en) | 2018-06-13 |
US8630366B2 (en) | 2014-01-14 |
JP2010074760A (ja) | 2010-04-02 |
EP2333996A1 (en) | 2011-06-15 |
EP2333996A4 (en) | 2012-05-09 |
CN102160312A (zh) | 2011-08-17 |
CN102160312B (zh) | 2015-04-29 |
PL2333996T3 (pl) | 2018-08-31 |
US20110216850A1 (en) | 2011-09-08 |
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