KR20060117167A - 다중안테나 시스템의 멀티캐리어 무선 전송방법 - Google Patents
다중안테나 시스템의 멀티캐리어 무선 전송방법 Download PDFInfo
- Publication number
- KR20060117167A KR20060117167A KR1020050123518A KR20050123518A KR20060117167A KR 20060117167 A KR20060117167 A KR 20060117167A KR 1020050123518 A KR1020050123518 A KR 1020050123518A KR 20050123518 A KR20050123518 A KR 20050123518A KR 20060117167 A KR20060117167 A KR 20060117167A
- Authority
- KR
- South Korea
- Prior art keywords
- transmission
- multicarrier
- subcarrier
- channel
- multiple access
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 104
- 238000000034 method Methods 0.000 title claims abstract description 68
- 238000005516 engineering process Methods 0.000 claims abstract description 20
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 17
- 230000003044 adaptive effect Effects 0.000 claims abstract description 15
- 230000010267 cellular communication Effects 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims description 31
- 238000000354 decomposition reaction Methods 0.000 claims description 7
- 239000011159 matrix material Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract 1
- 238000004458 analytical method Methods 0.000 description 12
- 238000010295 mobile communication Methods 0.000 description 11
- 238000002156 mixing Methods 0.000 description 10
- 238000012545 processing Methods 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000003252 repetitive effect Effects 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 108010076504 Protein Sorting Signals Proteins 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 125000002619 bicyclic group Chemical group 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/025—Channel estimation channel estimation algorithms using least-mean-square [LMS] method
-
- 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
- H04L27/2647—Arrangements specific to the receiver only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J2011/0003—Combination with other multiplexing techniques
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (4)
- 다중안테나 시스템의 멀티캐리어 무선전송 방법에 있어서,(a) 멀티캐리어 무선전송 프레임은 총대역폭이 인 채널을 한 그룹의 병행하는 광대역 채널로 분해하고, 송수신단은 멀티캐리어 여파기 그룹을 통하여 다수의 서브 캐리어 신호의 회선 결합과 분할을 진행하며, 멀티캐리어 여파기 그룹은 이산푸리에변환을 통하여 신속하게 구현하는 단계;(b) 각 서브캐리어 전송은 어댑티브하거나 혹은 고정된 이중순환 타임슬롯 구조, 순환직교시퀀스 파일럿 주파수, 고효율 인코딩과 변조, 다중안테나 전송기술을 채택하여 고효율의 패킷데이터 전송을 지원하는 단계;(c) 주파수분할 듀플렉스(FDD) 또는 시분할 듀플렉스(TDD) 방식을 이용하여 광역 커버리지와 핫스팟(hot spot) 커버리지 셀룰러(Cellular) 통신환경에 적용하는 단계; 및(d) 주파수분할다중접속(FDMA), 시분할다중접속(TDMA)과 코드분할다중접속(CDMA)을 결합한 혼합 다중접속방식을 이용하여 무선 소스를 공유하고, 대규모 동태 범위 전송의 요구를 지원하는 단계를 포함하는 것을 특징으로 하는 다중안테나 전송을 지원하는 멀티캐리어 무선 전송방법.
- 제1항에 있어서, 상기 각 서브캐리어의 다중안테나송신은 시공간코딩, 공간분할다중화 또는 채널의 사전정보를 이용한 다중안테나 송신 기술을 이용하며, 안테나 선택을 근거로 하는 전송방법 또는 특징 모드를 근거로 하는 전송방법을 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 각 서브캐리어의 채널 추정은 순환직교시퀀스의 특성을 이용하여 낮은 구현 복잡도로 최소평균제곱오차 의미상 가장 우수한 최소자승 채널을 추정하고, 수신 파일럿 주파수 매트릭스의 분해를 이용하여 채널 추정을 신속히 구현하며, 타임 도메인 상관성을 이용하여 파일럿 주파수 구간이 더욱 정확한 채널 추정과 노이즈 분산 추정을 진행하고, 또한 인터폴레이션으로 데이터 구간의 채널 매개변수를 추정하는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 각 서브캐리어의 신호검출디코딩은 소프트 정보가 보류되는 반복검출디코딩방법, 블록전송특징을 이용한 검출디코딩방법 및 MIMO 채널이 지니는 공간 상관성을 이용한 검출디코딩방법으로 구성된 군에서 선택된 방법을 이용할 수 있는 것을 특징으로 하는 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNA2005100392850A CN1694442A (zh) | 2005-05-13 | 2005-05-13 | 支持多天线传输的广义多载波无线传输方案 |
CN200510039285.0 | 2005-05-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060117167A true KR20060117167A (ko) | 2006-11-16 |
KR100712070B1 KR100712070B1 (ko) | 2007-04-30 |
Family
ID=35353246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050123518A KR100712070B1 (ko) | 2005-05-13 | 2005-12-14 | 다중안테나 시스템의 멀티캐리어 무선 전송 시스템 |
Country Status (2)
Country | Link |
---|---|
KR (1) | KR100712070B1 (ko) |
CN (1) | CN1694442A (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100968118B1 (ko) * | 2007-02-05 | 2010-07-06 | 삼성전자주식회사 | 무선 통신 시스템에서 채널 사운딩 신호 전송 장치 및 방법 |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1983859B (zh) * | 2005-12-13 | 2011-04-06 | 中国科学院上海微系统与信息技术研究所 | 基于gmc的多天线复用发送装置及频域均衡方法 |
CN101630965B (zh) * | 2005-12-13 | 2012-10-03 | 中国科学院上海微系统与信息技术研究所 | 基于gmc的多天线复用接收装置 |
CN101155164B (zh) * | 2006-09-27 | 2010-05-12 | 中国科学院上海微系统与信息技术研究所 | 一种dft扩频的广义多载波系统的sinr估计方法 |
WO2008082280A1 (en) * | 2007-01-05 | 2008-07-10 | Samsung Electronics Co., Ltd. | Method and apparatus for transmitting and receiving control information to randomize inter-cell interference in a mobile communication system |
US8577303B2 (en) | 2007-02-05 | 2013-11-05 | Samsung Electronics Co., Ltd. | Apparatus and method for transmitting channel sounding signal in wireless communication system |
CN101267415B (zh) * | 2007-03-12 | 2012-05-30 | 中国科学院上海微系统与信息技术研究所 | 基于滤波器组的上行多址传输装置及其方法 |
CN101340265B (zh) * | 2007-07-03 | 2012-12-26 | 株式会社Ntt都科摩 | 无线通信中的数据流处理方法及装置 |
CN101494463B (zh) * | 2009-03-05 | 2011-11-09 | 重庆大学 | Golden码的迭代译码器和迭代译码方法 |
CN102714430A (zh) * | 2009-11-19 | 2012-10-03 | 捷通国际有限公司 | 多功能无线供电系统 |
CN101867402B (zh) * | 2010-05-04 | 2014-01-29 | 西安交通大学 | 一种自适应天线选择的mimo系统及其应用方法 |
CN101867548B (zh) * | 2010-05-24 | 2014-01-15 | 北京科技大学 | 一种基于滤波器组多载波的盲频率跟踪算法 |
CN102035785B (zh) * | 2010-11-12 | 2013-04-03 | 清华大学 | 一种用于宽带无线通信系统的频分双工传输方法 |
CN102916924B (zh) * | 2012-10-22 | 2015-08-26 | 东南大学 | 可调带宽的偏移调制多载波频分多址传输方法 |
EP2793419A1 (de) * | 2013-04-17 | 2014-10-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren, Vorrichtung und System zur Datenübertragung |
CN104902487A (zh) * | 2014-03-05 | 2015-09-09 | 王建国 | Td-lte天馈型双通道正交移频单路网优设备 |
CN107113105B (zh) * | 2015-02-27 | 2020-01-31 | 华为技术有限公司 | 用于多入多出系统中的数据传输方法、装置和网络设备 |
CN105306118B (zh) * | 2015-10-19 | 2018-08-21 | 东南大学 | 广带异步可调多载波无线传输方法及系统 |
CN111147103B (zh) * | 2019-12-12 | 2021-09-21 | 南京理工大学 | 针对短时脉冲干扰的空域实时自适应抗干扰系统 |
CN111277534B (zh) * | 2020-02-18 | 2021-06-01 | 中山大学 | 一种基于联合迭代译码的高动态频偏估计方法 |
CN112291020B (zh) * | 2020-10-15 | 2021-11-09 | 厦门大学 | 一种全双工水声数字语音通信系统及其方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100243106B1 (ko) * | 1997-09-24 | 2000-02-01 | 정선종 | 안테나 어레이를 이용한 다중 반송파 코드 분할 다중 접속 수신기의 구조 및 신호 수신 방법 |
US6760882B1 (en) | 2000-09-19 | 2004-07-06 | Intel Corporation | Mode selection for data transmission in wireless communication channels based on statistical parameters |
JP2004072568A (ja) | 2002-08-08 | 2004-03-04 | Kddi Corp | 空間分割多重方式を適用したマルチキャリアcdma方式の送信装置及び受信装置 |
US7095790B2 (en) | 2003-02-25 | 2006-08-22 | Qualcomm, Incorporated | Transmission schemes for multi-antenna communication systems utilizing multi-carrier modulation |
-
2005
- 2005-05-13 CN CNA2005100392850A patent/CN1694442A/zh active Pending
- 2005-12-14 KR KR1020050123518A patent/KR100712070B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100968118B1 (ko) * | 2007-02-05 | 2010-07-06 | 삼성전자주식회사 | 무선 통신 시스템에서 채널 사운딩 신호 전송 장치 및 방법 |
Also Published As
Publication number | Publication date |
---|---|
KR100712070B1 (ko) | 2007-04-30 |
CN1694442A (zh) | 2005-11-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100712070B1 (ko) | 다중안테나 시스템의 멀티캐리어 무선 전송 시스템 | |
Yang | A road to future broadband wireless access: MIMO-OFDM-based air interface | |
KR101641803B1 (ko) | Sc-fdma 전송 다이버시티 시스템 및 방법 | |
US9154281B2 (en) | Scattered pilot pattern and channel estimation method for MIMO-OFDM systems | |
EP2057758B1 (en) | Multi-antenna scheduling system and method | |
US8902951B2 (en) | Methods and systems for OFDM using code division multiplexing | |
US10291458B2 (en) | Methods and devices for transmission/reception of data for hybrid carrier modulation MIMO system | |
CN102119570B (zh) | 使用具有聚合频谱的中继的方法和系统 | |
US8284653B2 (en) | User signal transmitting and receiving method, apparatus and system in OFDMA system | |
KR20070067705A (ko) | 직교 주파수 분할 멀티플렉싱(ofdm) 무선 통신시스템에서의 링크 적응화를 위한 시스템 및 방법 | |
TR201908292T4 (tr) | Bir kablosuz iletişim sisteminde kanal durumu bilgisinin kullanılmasına yönelik yöntem ve aparat. | |
EP3456018B1 (en) | Apparatus and method for diversity transmission in a wireless communications system | |
KR102503255B1 (ko) | 원격 통신 신호의 개선된 추정을 수행하기 위한 수신 매트릭스에서의 칼만 필터의 혁신적인 사용 | |
CN109587810A (zh) | 上行noma通信系统中兼顾组内和组间干扰管理用户分组方法 | |
US20070049214A1 (en) | Transmit antenna switching apparatus and method in MIMO system | |
JP5501229B2 (ja) | 中継装置、通信システムおよび中継方法 | |
IL229301A (en) | A method and system for channel synchronization in multi-carrier communication systems | |
US9166855B2 (en) | MIMO communication method, MIMO transmitting device, and MIMO receiving device | |
KR101446267B1 (ko) | 스위치를 사용하여 공간 시간 블록 코드 기술을 적용한 오에프디엠 송수신 시스템 | |
KR20090055468A (ko) | 다수의 송신 안테나를 가진 시스템에서의 파일롯 신호 송수신 방법 | |
Kanno et al. | Asynchronous successive interference cancellation for 5G receiver operating in shared spectrum with different radio system | |
Armas-Jiménez et al. | MIMO-OFDM physical layer emulation using space-frequency coding based on a SDR platform | |
Raulefs et al. | 4MORE: An advanced MIMO downlink MC-CDMA system | |
Chaudhary | Real Time Accurate Feedback Scheme Based on Compressed Sensing in MU-MIMO Wireless Networks | |
Kadhim et al. | Design and Improvement of WiMAX OSTBCCOFDM Transceiver Based Multiwavelet Signals by TomlinsonHarashima Precoding on SFF SDR Development Platform |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20051214 |
|
PA0201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20061109 Patent event code: PE09021S01D |
|
PG1501 | Laying open of application | ||
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20070416 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20070420 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20070423 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20100420 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20110414 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20120405 Start annual number: 6 End annual number: 6 |
|
FPAY | Annual fee payment |
Payment date: 20130418 Year of fee payment: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 20130418 Start annual number: 7 End annual number: 7 |
|
FPAY | Annual fee payment |
Payment date: 20140414 Year of fee payment: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 20140414 Start annual number: 8 End annual number: 8 |
|
FPAY | Annual fee payment |
Payment date: 20160321 Year of fee payment: 10 |
|
PR1001 | Payment of annual fee |
Payment date: 20160321 Start annual number: 10 End annual number: 10 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
Termination category: Default of registration fee Termination date: 20180201 |