CN101346904A - 无线发射机及无线发射方法 - Google Patents
无线发射机及无线发射方法 Download PDFInfo
- Publication number
- CN101346904A CN101346904A CN200680049043.2A CN200680049043A CN101346904A CN 101346904 A CN101346904 A CN 101346904A CN 200680049043 A CN200680049043 A CN 200680049043A CN 101346904 A CN101346904 A CN 101346904A
- Authority
- CN
- China
- Prior art keywords
- phase control
- transmitting
- receiving quality
- transmitting antenna
- transtation mission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims description 44
- 230000000694 effects Effects 0.000 claims abstract description 50
- 238000004891 communication Methods 0.000 claims description 47
- 230000001934 delay Effects 0.000 claims description 13
- 230000006870 function Effects 0.000 description 83
- 238000012546 transfer Methods 0.000 description 79
- 238000012545 processing Methods 0.000 description 26
- 238000010586 diagram Methods 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 238000012937 correction Methods 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 3
- 101000768061 Escherichia phage P1 Antirepressor protein 1 Proteins 0.000 description 2
- 101500000138 Escherichia phage P1 Antirepressor protein 2 Proteins 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Classifications
-
- 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
- H04B7/0667—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 delayed versions of same signal
- H04B7/0673—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 delayed versions of same signal using feedback from receiving side
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
-
- 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
Abstract
Description
Claims (21)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005371336 | 2005-12-26 | ||
JP371336/2005 | 2005-12-26 | ||
PCT/JP2006/325358 WO2007077736A1 (ja) | 2005-12-26 | 2006-12-20 | 無線送信機及び無線送信方法 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310233682.6A Division CN103354465A (zh) | 2005-12-26 | 2006-12-20 | 无线发射机及无线发射方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101346904A true CN101346904A (zh) | 2009-01-14 |
CN101346904B CN101346904B (zh) | 2013-07-10 |
Family
ID=38228092
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310233682.6A Withdrawn CN103354465A (zh) | 2005-12-26 | 2006-12-20 | 无线发射机及无线发射方法 |
CN200680049043.2A Active CN101346904B (zh) | 2005-12-26 | 2006-12-20 | 无线发射机及无线发射方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310233682.6A Withdrawn CN103354465A (zh) | 2005-12-26 | 2006-12-20 | 无线发射机及无线发射方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8165537B2 (zh) |
EP (1) | EP1971042B1 (zh) |
JP (1) | JP4658146B2 (zh) |
CN (2) | CN103354465A (zh) |
WO (1) | WO2007077736A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107069905A (zh) * | 2010-08-23 | 2017-08-18 | 欧希亚有限公司 | 无线功率发射机、无线功率接收机及其使用的方法 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101468908B1 (ko) * | 2007-07-19 | 2014-12-04 | 코닌클리케 필립스 엔.브이. | 무선 통신 시스템에서 채널 번들링에 의한 링크 적응 |
JP4793599B2 (ja) * | 2008-11-18 | 2011-10-12 | 日本電気株式会社 | Ofdma方式の無線通信装置、該無線通信装置による非線形歪み補償のための学習信号生成方法 |
US8611916B2 (en) * | 2011-07-26 | 2013-12-17 | Hitachi, Ltd. | Reference signal design for distributed antenna systems |
CN104272622B (zh) | 2012-05-22 | 2018-04-06 | 太阳专利托管公司 | 发送方法、接收方法、发送装置及接收装置 |
US10869207B2 (en) * | 2015-08-18 | 2020-12-15 | Nec Corporation | Monitoring apparatus, radio apparatus, communication system, methods therein, and non-transitory computer readable medium |
KR20180059771A (ko) * | 2015-09-25 | 2018-06-05 | 샤프 가부시키가이샤 | 기지국 장치, 단말 장치 및 통신 방법 |
Family Cites Families (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6034987A (en) | 1996-12-17 | 2000-03-07 | Ericsson Inc. | System for improving the quality of a received radio signal |
US6826169B1 (en) * | 1996-12-20 | 2004-11-30 | Fujitsu Limited | Code multiplexing transmitting apparatus |
US6131016A (en) | 1997-08-27 | 2000-10-10 | At&T Corp | Method and apparatus for enhancing communication reception at a wireless communication terminal |
SE513656C2 (sv) | 1997-11-21 | 2000-10-16 | Ericsson Telefon Ab L M | Förfarande och anordning för mottagning av radiosignaler med hjälp av antennlober |
JP3732364B2 (ja) | 1999-08-27 | 2006-01-05 | 松下電器産業株式会社 | 通信端末装置及びチャネル推定方法 |
JP2001168777A (ja) | 1999-12-06 | 2001-06-22 | Matsushita Electric Ind Co Ltd | 通信端末装置及び無線通信方法 |
US6807145B1 (en) | 1999-12-06 | 2004-10-19 | Lucent Technologies Inc. | Diversity in orthogonal frequency division multiplexing systems |
JP4495288B2 (ja) * | 2000-01-18 | 2010-06-30 | パナソニック株式会社 | 基地局装置、通信端末装置、及び無線通信方法 |
US6377632B1 (en) | 2000-01-24 | 2002-04-23 | Iospan Wireless, Inc. | Wireless communication system and method using stochastic space-time/frequency division multiplexing |
AU2001270832A1 (en) | 2000-07-14 | 2002-01-30 | Ip.Access Ltd. | Cellular radio telecommunication system |
FR2813465B1 (fr) | 2000-08-29 | 2005-04-08 | Mitsubishi Electric Inf Tech | Methode d'estimation conjointe de canal et de direction d'arrivee |
US6842487B1 (en) | 2000-09-22 | 2005-01-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Cyclic delay diversity for mitigating intersymbol interference in OFDM systems |
US6567387B1 (en) * | 2000-11-07 | 2003-05-20 | Intel Corporation | System and method for data transmission from multiple wireless base transceiver stations to a subscriber unit |
US7440509B2 (en) | 2001-06-21 | 2008-10-21 | Motorola, Inc. | Method and system for interference averaging in a wireless communication system |
US7142830B2 (en) * | 2001-09-19 | 2006-11-28 | Nokia Corporation | Adaptive transceiver system |
EP1335552B1 (en) | 2002-02-07 | 2007-01-10 | Mitsubishi Electric Information Technology Centre Europe B.V. | Estimation of channel response and of delay in multicarrier systems |
US7529177B2 (en) | 2002-08-28 | 2009-05-05 | Agere Systems Inc. | Dithering scheme using multiple antennas for OFDM systems |
JP4256158B2 (ja) | 2002-12-26 | 2009-04-22 | パナソニック株式会社 | 無線通信装置及び無線通信方法 |
KR100605860B1 (ko) | 2003-01-09 | 2006-07-31 | 삼성전자주식회사 | 4개의 송신 안테나를 사용하는 무선통신 시스템의 송신 장치 및 방법 |
JP2004320168A (ja) | 2003-04-11 | 2004-11-11 | Matsushita Electric Ind Co Ltd | 無線受信装置および無線受信方法 |
FI20030777A0 (fi) | 2003-05-22 | 2003-05-22 | Nokia Corp | Lähetysdiversiteetin kertaluvun ja lähetyshaarojen määritys |
US20050048933A1 (en) | 2003-08-25 | 2005-03-03 | Jingxian Wu | Adaptive transmit diversity with quadrant phase constraining feedback |
US7742533B2 (en) | 2004-03-12 | 2010-06-22 | Kabushiki Kaisha Toshiba | OFDM signal transmission method and apparatus |
US7447268B2 (en) | 2004-03-31 | 2008-11-04 | Intel Corporation | OFDM system with per subcarrier phase rotation |
US8285226B2 (en) * | 2004-05-07 | 2012-10-09 | Qualcomm Incorporated | Steering diversity for an OFDM-based multi-antenna communication system |
US8233555B2 (en) * | 2004-05-17 | 2012-07-31 | Qualcomm Incorporated | Time varying delay diversity of OFDM |
US7623439B2 (en) * | 2004-05-20 | 2009-11-24 | Webster Mark A | Cyclic diversity systems and methods |
US8089855B2 (en) | 2004-06-04 | 2012-01-03 | Qualcomm Incorporated | Transmission of overhead information for broadcast and multicast services in a wireless communication system |
KR20050118031A (ko) | 2004-06-12 | 2005-12-15 | 삼성전자주식회사 | 순환지연 다이버시티를 이용하여 방송 채널을 효율적으로전송하는 장치 및 방법 |
US7436903B2 (en) | 2004-09-29 | 2008-10-14 | Intel Corporation | Multicarrier transmitter and method for transmitting multiple data streams with cyclic delay diversity |
US7953039B2 (en) | 2005-04-21 | 2011-05-31 | Samsung Elecronics Co., Ltd. | System and method for channel estimation in a delay diversity wireless communication system |
US7738356B2 (en) | 2005-06-28 | 2010-06-15 | Broadcom Corporation | Multiple stream cyclic-shifted delay transmitter |
EP2285012B1 (en) | 2005-09-01 | 2012-12-19 | Sharp Kabushiki Kaisha | Transmission control method and apparatus using delays in multiple antenna systems |
CN101292441B (zh) | 2005-10-31 | 2012-05-16 | 夏普株式会社 | 终端装置、基站装置和通信系统 |
US7672388B2 (en) | 2006-03-23 | 2010-03-02 | Motorola, Inc. | Method of providing signal diversity in an OFDM system |
-
2006
- 2006-12-20 CN CN201310233682.6A patent/CN103354465A/zh not_active Withdrawn
- 2006-12-20 CN CN200680049043.2A patent/CN101346904B/zh active Active
- 2006-12-20 US US12/159,075 patent/US8165537B2/en active Active
- 2006-12-20 JP JP2007552902A patent/JP4658146B2/ja not_active Expired - Fee Related
- 2006-12-20 EP EP06842912.5A patent/EP1971042B1/en active Active
- 2006-12-20 WO PCT/JP2006/325358 patent/WO2007077736A1/ja active Application Filing
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107069905A (zh) * | 2010-08-23 | 2017-08-18 | 欧希亚有限公司 | 无线功率发射机、无线功率接收机及其使用的方法 |
CN107069905B (zh) * | 2010-08-23 | 2020-01-31 | 欧希亚有限公司 | 无线功率发射机、无线功率接收机及其使用的方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1971042B1 (en) | 2014-07-30 |
EP1971042A4 (en) | 2013-03-06 |
JP4658146B2 (ja) | 2011-03-23 |
CN103354465A (zh) | 2013-10-16 |
WO2007077736A1 (ja) | 2007-07-12 |
JPWO2007077736A1 (ja) | 2009-06-11 |
CN101346904B (zh) | 2013-07-10 |
EP1971042A1 (en) | 2008-09-17 |
US8165537B2 (en) | 2012-04-24 |
US20090268686A1 (en) | 2009-10-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11018821B2 (en) | OFDM frame communication method and apparatus | |
US7764931B2 (en) | Method and apparatus for transmitting/receiving feedback information representing channel quality in a MIMO-OFDM system | |
CN101674121B (zh) | 发送机 | |
CN101127747B (zh) | 一种时分双工复用系统中实现频域调度的方法及系统 | |
CN101346904B (zh) | 无线发射机及无线发射方法 | |
KR102142953B1 (ko) | 하이브리드 빔포밍을 이용하는 통신 시스템을 위한 다중 사용자 및 단일 사용자 mimo | |
CN101253709B (zh) | 无线通信系统中反馈信道质量信息的设备和方法及使用该信息的调度设备和方法 | |
AU2006276391B2 (en) | Apparatus and method for adaptive channel quality feedback in a multicarrier wireless network | |
CN101346919B (zh) | 无线发射机、无线通信系统及无线发送方法 | |
US8634432B2 (en) | System and method for subcarrier allocation in a multicarrier wireless network | |
EP2190130A1 (en) | Information feedback method, system, user device, and base station based on space, time and frequency domain | |
US20110299573A1 (en) | Distributed Antenna System and its Data Transmission Method and Central Controller | |
US20070217539A1 (en) | Method of transmitting data and estimating channel information in ofdm/ofdma mobile communications system | |
EP2005629B1 (en) | Channel quality signaling | |
JP5520922B2 (ja) | 無線送信機及び無線送信方法 | |
WO2010103989A1 (ja) | 無線通信システム、無線送信装置および無線送信装置の制御プログラム | |
CN101001166A (zh) | 动态配置最大差分值的频域差分cqi汇报方法及设备 | |
JP4291669B2 (ja) | マルチキャリア通信装置およびマルチキャリア通信方法 | |
CN101933355A (zh) | 中继装置、通信系统和通信方法 | |
CN101517929A (zh) | 用于在多天线系统中报告信道信息的方法 | |
CN105591683A (zh) | 数据接收方法、发送方法、接收装置及发送装置 | |
CN117955531A (zh) | 数据传输方法、数据接收方法、装置及存储介质 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: HUAWEI TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHARP CORPORATION Effective date: 20130724 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; TO: 518129 SHENZHEN, GUANGDONG PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20130724 Address after: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee after: Huawei Technologies Co., Ltd. Address before: Japan Osaka Patentee before: Sharp Corporation |
|
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20090114 Assignee: Apple Computer, Inc. Assignor: Huawei Technologies Co., Ltd. Contract record no.: 2015990000755 Denomination of invention: Radio transmitter and radio transmission method Granted publication date: 20130710 License type: Common License Record date: 20150827 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160420 Address after: American California Patentee after: Snaptrack, Inc. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: Huawei Technologies Co., Ltd. |