CN100459535C - Mimo wlan系统 - Google Patents
Mimo wlan系统 Download PDFInfo
- Publication number
- CN100459535C CN100459535C CNB2003801045601A CN200380104560A CN100459535C CN 100459535 C CN100459535 C CN 100459535C CN B2003801045601 A CNB2003801045601 A CN B2003801045601A CN 200380104560 A CN200380104560 A CN 200380104560A CN 100459535 C CN100459535 C CN 100459535C
- Authority
- CN
- China
- Prior art keywords
- user terminal
- link
- data
- pilot tone
- channel
- 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.)
- Expired - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 300
- 239000013598 vector Substances 0.000 claims description 136
- 238000012546 transfer Methods 0.000 claims description 66
- 238000004891 communication Methods 0.000 claims description 57
- 238000000034 method Methods 0.000 claims description 55
- 238000001914 filtration Methods 0.000 claims description 8
- 230000004044 response Effects 0.000 abstract description 77
- 238000012545 processing Methods 0.000 abstract description 33
- 230000006870 function Effects 0.000 abstract description 28
- 230000008901 benefit Effects 0.000 abstract description 5
- 108091006146 Channels Proteins 0.000 description 442
- 239000011159 matrix material Substances 0.000 description 134
- 230000000875 corresponding effect Effects 0.000 description 40
- 125000004122 cyclic group Chemical group 0.000 description 35
- 230000011218 segmentation Effects 0.000 description 31
- 230000008569 process Effects 0.000 description 28
- 238000009432 framing Methods 0.000 description 26
- 238000012937 correction Methods 0.000 description 20
- 238000000354 decomposition reaction Methods 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 17
- 230000001105 regulatory effect Effects 0.000 description 16
- 238000010586 diagram Methods 0.000 description 15
- 238000011049 filling Methods 0.000 description 15
- 238000013461 design Methods 0.000 description 13
- 238000009826 distribution Methods 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 13
- 238000007493 shaping process Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 12
- 230000000284 resting effect Effects 0.000 description 12
- 238000009795 derivation Methods 0.000 description 11
- 230000008859 change Effects 0.000 description 10
- 238000005070 sampling Methods 0.000 description 10
- 238000013468 resource allocation Methods 0.000 description 9
- 230000011664 signaling Effects 0.000 description 8
- 238000010606 normalization Methods 0.000 description 7
- 238000011282 treatment Methods 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 5
- 230000004087 circulation Effects 0.000 description 4
- 238000012217 deletion Methods 0.000 description 4
- 230000037430 deletion Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000003252 repetitive effect Effects 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 230000017105 transposition Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000005562 fading Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 238000013507 mapping Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 235000015429 Mirabilis expansa Nutrition 0.000 description 2
- 244000294411 Mirabilis expansa Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000008485 antagonism Effects 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- 238000000205 computational method Methods 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 230000005059 dormancy Effects 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 230000003760 hair shine Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 235000013536 miso Nutrition 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 230000008707 rearrangement Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 description 1
- KLDZYURQCUYZBL-UHFFFAOYSA-N 2-[3-[(2-hydroxyphenyl)methylideneamino]propyliminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NCCCN=CC1=CC=CC=C1O KLDZYURQCUYZBL-UHFFFAOYSA-N 0.000 description 1
- 241001269238 Data Species 0.000 description 1
- 101001072338 Homo sapiens Proliferating cell nuclear antigen Proteins 0.000 description 1
- 108010003272 Hyaluronate lyase Proteins 0.000 description 1
- JEYCTXHKTXCGPB-UHFFFAOYSA-N Methaqualone Chemical compound CC1=CC=CC=C1N1C(=O)C2=CC=CC=C2N=C1C JEYCTXHKTXCGPB-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000010267 cellular communication Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 201000001098 delayed sleep phase syndrome Diseases 0.000 description 1
- 208000033921 delayed sleep phase type circadian rhythm sleep disease Diseases 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US42130902P | 2002-10-25 | 2002-10-25 | |
| US60/421,309 | 2002-10-25 | ||
| US10/693,419 | 2003-10-23 |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101938391A Division CN101166074A (zh) | 2002-10-25 | 2003-10-24 | Mimo wlan系统 |
| CN200710193838.7A Division CN101166072B (zh) | 2002-10-25 | 2003-10-24 | Mimo wlan系统 |
| CN 200710193841 Division CN101166054B (zh) | 2002-10-25 | 2003-10-24 | Mimo wlan系统 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1717900A CN1717900A (zh) | 2006-01-04 |
| CN100459535C true CN100459535C (zh) | 2009-02-04 |
Family
ID=35581904
Family Applications (9)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810005768 Expired - Lifetime CN101232726B (zh) | 2002-10-25 | 2003-10-24 | 无线多址通信系统的随机接入 |
| CN200710193838.7A Expired - Lifetime CN101166072B (zh) | 2002-10-25 | 2003-10-24 | Mimo wlan系统 |
| CNA2007101938391A Pending CN101166074A (zh) | 2002-10-25 | 2003-10-24 | Mimo wlan系统 |
| CNB2003801045601A Expired - Lifetime CN100459535C (zh) | 2002-10-25 | 2003-10-24 | Mimo wlan系统 |
| CNB2003801049072A Expired - Lifetime CN100380857C (zh) | 2002-10-25 | 2003-10-24 | Mimo通信系统的导频 |
| CN 200710193841 Expired - Lifetime CN101166054B (zh) | 2002-10-25 | 2003-10-24 | Mimo wlan系统 |
| CN 200380104584 Pending CN1717901A (zh) | 2002-10-25 | 2003-10-24 | 无线多址通信系统的随机接入 |
| CN 200810178647 Expired - Lifetime CN101425874B (zh) | 2002-10-25 | 2003-10-24 | 用于无线电通信系统的数据检测和解调 |
| CN 200910145580 Expired - Lifetime CN101582873B (zh) | 2002-10-25 | 2003-10-27 | 使用多种码元长度的多载波传输方法和设备 |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810005768 Expired - Lifetime CN101232726B (zh) | 2002-10-25 | 2003-10-24 | 无线多址通信系统的随机接入 |
| CN200710193838.7A Expired - Lifetime CN101166072B (zh) | 2002-10-25 | 2003-10-24 | Mimo wlan系统 |
| CNA2007101938391A Pending CN101166074A (zh) | 2002-10-25 | 2003-10-24 | Mimo wlan系统 |
Family Applications After (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003801049072A Expired - Lifetime CN100380857C (zh) | 2002-10-25 | 2003-10-24 | Mimo通信系统的导频 |
| CN 200710193841 Expired - Lifetime CN101166054B (zh) | 2002-10-25 | 2003-10-24 | Mimo wlan系统 |
| CN 200380104584 Pending CN1717901A (zh) | 2002-10-25 | 2003-10-24 | 无线多址通信系统的随机接入 |
| CN 200810178647 Expired - Lifetime CN101425874B (zh) | 2002-10-25 | 2003-10-24 | 用于无线电通信系统的数据检测和解调 |
| CN 200910145580 Expired - Lifetime CN101582873B (zh) | 2002-10-25 | 2003-10-27 | 使用多种码元长度的多载波传输方法和设备 |
Country Status (2)
| Country | Link |
|---|---|
| CN (9) | CN101232726B (ru) |
| UA (6) | UA90080C2 (ru) |
Families Citing this family (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8204149B2 (en) | 2003-12-17 | 2012-06-19 | Qualcomm Incorporated | Spatial spreading in a multi-antenna communication system |
| HUE036741T2 (hu) * | 2006-01-11 | 2018-07-30 | Qualcomm Inc | Vezeték nélküli kommunikációs eljárások és berendezés szinkronizálás támogatására |
| CN102098089B (zh) * | 2006-02-02 | 2013-06-19 | 富士通株式会社 | 无线传送方法、无线发送机以及无线接收机 |
| WO2007111456A2 (en) * | 2006-03-24 | 2007-10-04 | Lg Electronics Inc. | A method of reducing overhead for multi-input, multi-output transmission system |
| US7920517B2 (en) * | 2006-04-28 | 2011-04-05 | Alcatel-Lucent Usa Inc. | Uplink load control including individual measurements |
| ZA200810735B (en) * | 2006-06-01 | 2010-03-31 | Sharp Kk | Method for connecting mobile station to base station, mobile station, base station, multi-carrier mobile communication system, and random access channel mapping method |
| EP1903689B1 (en) * | 2006-09-22 | 2016-11-09 | Mitsubishi Electric R&D Centre Europe B.V. | Method and device for transferring signals representative of a pilot symbol pattern |
| US8126396B2 (en) | 2006-11-09 | 2012-02-28 | Broadcom Corporation | Wireless network that utilizes concurrent interfering transmission and MIMO techniques |
| US8194587B2 (en) | 2006-11-09 | 2012-06-05 | Broadcom Corporation | Adaptive network supporting single to concurrent interfering wireless transmissions |
| US7804799B2 (en) * | 2006-12-29 | 2010-09-28 | Intel Corporation | Uplink contention based access with quick access channel |
| PL1981300T3 (pl) * | 2007-04-12 | 2012-12-31 | Nokia Technologies Oy | Sposób zarządzania mobilnością w architekturze systemowej obsługującej mobilność pomiędzy różnymi systemami dostępowymi |
| KR100895576B1 (ko) * | 2007-05-11 | 2009-04-29 | 주식회사 팬택 | 다중입력 다중출력 무선 랜 환경에서 안테나를 선택하여데이터를 전송하는 방법 |
| JPWO2008146494A1 (ja) * | 2007-05-29 | 2010-08-19 | 三菱電機株式会社 | キャリブレーション方法、通信システムおよび周波数制御方法 |
| US8184726B2 (en) * | 2007-09-10 | 2012-05-22 | Industrial Technology Research Institute | Method and apparatus for multi-rate control in a multi-channel communication system |
| PL2213013T3 (pl) * | 2007-10-31 | 2017-04-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Wybór trybu transmisji podczas procedury dostępu swobodnego |
| CN101499990B (zh) * | 2008-02-03 | 2012-04-25 | 华为技术有限公司 | 基于多输入多输出的导频发送方法及装置 |
| US8565099B2 (en) * | 2008-06-05 | 2013-10-22 | Telefonaktiebolaget L M Ericsson (Publ) | Method and arrangement in a wireless communication network |
| US9036663B2 (en) | 2008-09-22 | 2015-05-19 | Rpx Clearinghouse Llc | Method and system for space code transmit diversity of PUCCH |
| CN101754394B (zh) * | 2008-12-10 | 2012-01-04 | 华为技术有限公司 | 用户设备、资源确定方法、资源上报方法及资源分配系统 |
| US8923218B2 (en) * | 2009-11-02 | 2014-12-30 | Qualcomm Incorporated | Apparatus and method for random access signaling in a wireless communication system |
| US9258807B2 (en) * | 2010-05-03 | 2016-02-09 | Intel Deutschland Gmbh | Communication network device, communication terminal, and communication resource allocation methods |
| US8274995B2 (en) * | 2010-05-17 | 2012-09-25 | Telefonaktiebolaget L M Ericsson (Publ) | Cyclic prefix for non-contiguous signal transmission |
| CN102457350B (zh) * | 2010-10-22 | 2015-06-03 | 中兴通讯股份有限公司 | 一种数据传输方法及系统 |
| CN102790661A (zh) * | 2011-05-16 | 2012-11-21 | 中兴通讯股份有限公司 | 一种上行mimo中获得信道相关性系数的方法及系统 |
| CN102891707B (zh) * | 2011-07-21 | 2017-07-18 | 中兴通讯股份有限公司 | 选择传输模式的方法和基站 |
| EP2767028A4 (en) * | 2011-10-14 | 2015-06-24 | Nokia Solutions & Networks Oy | METHOD FOR ASSIGNING A TRANSMISSION MODE TO A USER DEVICE AND DEVICE THEREFOR |
| EP2975790B1 (en) * | 2013-03-13 | 2019-02-20 | Mitsubishi Electric Corporation | Transmission device, reception device and communication system |
| JP5894339B2 (ja) * | 2013-05-24 | 2016-03-30 | 日本電信電話株式会社 | 無線通信装置及び無線通信方法 |
| CN105594276B (zh) | 2013-08-19 | 2019-06-25 | 相干逻辑公司 | 在多个无线环境中操作的参数化无线电波形的方法和设备 |
| CN105323042B (zh) * | 2014-07-11 | 2018-09-25 | 启碁科技股份有限公司 | 提升效能的方法及无线模块 |
| CN104601281A (zh) | 2014-12-31 | 2015-05-06 | 北京智谷睿拓技术服务有限公司 | 传输控制方法及传输控制装置 |
| US20170026962A1 (en) * | 2015-07-23 | 2017-01-26 | Futurewei Technologies, Inc. | Beam detection and tracking in wireless networks |
| EP3369229B1 (en) * | 2015-10-29 | 2023-06-07 | Sharp Kabushiki Kaisha | Systems and methods for multi-physical structure system |
| CN108123903B (zh) * | 2016-11-29 | 2021-12-14 | 上海诺基亚贝尔股份有限公司 | 通信系统中的信号处理方法和设备 |
| CN107133441B (zh) * | 2017-03-21 | 2022-09-23 | 中国电力科学研究院 | 一种能源互联网中功率数据采样精度的确定方法及装置 |
| US20180288706A1 (en) * | 2017-03-29 | 2018-10-04 | Intel Corporation | Wireless communication device, system and method to provide an operational cyclic prefix length to decode a wake-up packet |
| SG11201907716XA (en) * | 2017-05-03 | 2019-09-27 | Assia Spe Llc | Systems and methods for implementing high-speed waveguide transmission over wires |
| CN109391348B (zh) * | 2017-08-08 | 2020-06-02 | 维沃移动通信有限公司 | 循环冗余校验的方法和设备 |
| WO2019037847A1 (en) * | 2017-08-23 | 2019-02-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | CALIBRATION AND RADIO LINK TESTING OF MULTI-ANTENNA DEVICES BASED ON BEAM FORMATION IN ANECHOIC AND NON-ANECHOIC ENVIRONMENTS |
| EP3547765B1 (en) * | 2018-03-28 | 2021-08-18 | Institut Mines-Telecom | Power distribution to sub-bands in multiple access communications systems |
| CN111698290B (zh) * | 2020-05-19 | 2021-06-15 | 展讯通信(天津)有限公司 | Pdu会话复用方法、装置、用户设备及存储介质 |
| EP4185054B1 (en) * | 2020-07-31 | 2024-12-25 | Huawei Technologies Co., Ltd. | Communication method and apparatus |
| FI20205925A1 (en) * | 2020-09-24 | 2022-03-25 | Nokia Technologies Oy | Adjusting the speed |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1086061A (zh) * | 1992-10-05 | 1994-04-27 | 埃利克逊Ge汽车交通股份有限公司 | 数字控制信道 |
| EP0755090A1 (en) * | 1995-07-18 | 1997-01-22 | Nortel Networks Corporation | An antenna downlink beamsteering arrangement |
| US5982327A (en) * | 1998-01-12 | 1999-11-09 | Motorola, Inc. | Adaptive array method, device, base station and subscriber unit |
| CN1347609A (zh) * | 1999-04-07 | 2002-05-01 | 艾利森电话股份有限公司 | 无线局域网中移动终端的译码失败程序 |
| CN1358359A (zh) * | 2000-01-19 | 2002-07-10 | 松下电器产业株式会社 | 无线接收装置和无线接收方法 |
| US20020154705A1 (en) * | 2000-03-22 | 2002-10-24 | Walton Jay R. | High efficiency high performance communications system employing multi-carrier modulation |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4750198A (en) * | 1986-12-12 | 1988-06-07 | Astronet Corporation/Plessey U.K. | Cellular radiotelephone system providing diverse separately-accessible groups of channels |
| US5012469A (en) * | 1988-07-29 | 1991-04-30 | Karamvir Sardana | Adaptive hybrid multiple access protocols |
| EP0759256A4 (en) * | 1994-05-02 | 1999-03-31 | Motorola Inc | METHOD AND DEVICE FOR FLEXIBLE PROTOCOL WITH SEVERAL SUB CHANNELS |
| US5677909A (en) * | 1994-05-11 | 1997-10-14 | Spectrix Corporation | Apparatus for exchanging data between a central station and a plurality of wireless remote stations on a time divided commnication channel |
| US5729542A (en) * | 1995-06-28 | 1998-03-17 | Motorola, Inc. | Method and apparatus for communication system access |
| GB9521739D0 (en) * | 1995-10-24 | 1996-01-03 | Nat Transcommunications Ltd | Decoding carriers encoded using orthogonal frequency division multiplexing |
| FR2764143A1 (fr) * | 1997-05-27 | 1998-12-04 | Philips Electronics Nv | Procede de determination d'un format d'emission de symboles dans un systeme de transmission et systeme |
| EP0895387A1 (de) * | 1997-07-28 | 1999-02-03 | Deutsche Thomson-Brandt Gmbh | Erkennung des Übertragungsmodus eines DVB-Signales |
| EP0993211B1 (en) * | 1998-10-05 | 2005-01-12 | Sony International (Europe) GmbH | Random access channel partitioning scheme for CDMA system |
| JP3606761B2 (ja) * | 1998-11-26 | 2005-01-05 | 松下電器産業株式会社 | Ｏｆｄｍ受信装置 |
| US6115406A (en) * | 1999-09-10 | 2000-09-05 | Interdigital Technology Corporation | Transmission using an antenna array in a CDMA communication system |
| DK1843622T3 (da) * | 2000-04-04 | 2010-04-26 | Sony Deutschland Gmbh | Event-udløst ændring af adgangsserviceklasse i en randomiseret adgangskanal |
| US6628702B1 (en) * | 2000-06-14 | 2003-09-30 | Qualcomm, Incorporated | Method and apparatus for demodulating signals processed in a transmit diversity mode |
| KR100493152B1 (ko) * | 2000-07-21 | 2005-06-02 | 삼성전자주식회사 | 이동 통신 시스템에서의 전송 안테나 다이버시티 방법 및이를 위한 기지국 장치 및 이동국 장치 |
| EP1315311B1 (en) * | 2000-08-10 | 2006-11-15 | Fujitsu Limited | Transmission diversity communication device |
| US7233625B2 (en) * | 2000-09-01 | 2007-06-19 | Nortel Networks Limited | Preamble design for multiple input—multiple output (MIMO), orthogonal frequency division multiplexing (OFDM) system |
| US6907270B1 (en) * | 2000-10-23 | 2005-06-14 | Qualcomm Inc. | Method and apparatus for reduced rank channel estimation in a communications system |
-
2003
- 2003-10-24 UA UAA200504936A patent/UA90080C2/ru unknown
- 2003-10-24 CN CN 200810005768 patent/CN101232726B/zh not_active Expired - Lifetime
- 2003-10-24 CN CN200710193838.7A patent/CN101166072B/zh not_active Expired - Lifetime
- 2003-10-24 CN CNA2007101938391A patent/CN101166074A/zh active Pending
- 2003-10-24 CN CNB2003801045601A patent/CN100459535C/zh not_active Expired - Lifetime
- 2003-10-24 CN CNB2003801049072A patent/CN100380857C/zh not_active Expired - Lifetime
- 2003-10-24 UA UAA200504858A patent/UA89611C2/ru unknown
- 2003-10-24 UA UAA200504937A patent/UA86191C2/ru unknown
- 2003-10-24 CN CN 200710193841 patent/CN101166054B/zh not_active Expired - Lifetime
- 2003-10-24 CN CN 200380104584 patent/CN1717901A/zh active Pending
- 2003-10-24 UA UAA200504947A patent/UA87973C2/ru unknown
- 2003-10-24 UA UAA200504943A patent/UA86752C2/ru unknown
- 2003-10-24 CN CN 200810178647 patent/CN101425874B/zh not_active Expired - Lifetime
- 2003-10-24 UA UAA200504860A patent/UA86190C2/ru unknown
- 2003-10-27 CN CN 200910145580 patent/CN101582873B/zh not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1086061A (zh) * | 1992-10-05 | 1994-04-27 | 埃利克逊Ge汽车交通股份有限公司 | 数字控制信道 |
| EP0755090A1 (en) * | 1995-07-18 | 1997-01-22 | Nortel Networks Corporation | An antenna downlink beamsteering arrangement |
| US5982327A (en) * | 1998-01-12 | 1999-11-09 | Motorola, Inc. | Adaptive array method, device, base station and subscriber unit |
| CN1347609A (zh) * | 1999-04-07 | 2002-05-01 | 艾利森电话股份有限公司 | 无线局域网中移动终端的译码失败程序 |
| CN1358359A (zh) * | 2000-01-19 | 2002-07-10 | 松下电器产业株式会社 | 无线接收装置和无线接收方法 |
| US20020154705A1 (en) * | 2000-03-22 | 2002-10-24 | Walton Jay R. | High efficiency high performance communications system employing multi-carrier modulation |
Non-Patent Citations (2)
| Title |
|---|
| Pseudo-Orthogonal Multibeam-Time Transmit Diversity forOFDM-CDMA. Masaaki Fujii.Communications,2002.ICC 2002.IEEE International Conference,Vol.1 . 2002 * |
| Pseudo-OrthogonalMultibeam-TimeTransmitDiversityforOFDM-CDMA.MasaakiFujii.Communications 2002.ICC 2002.IEEE International Conference * |
Also Published As
| Publication number | Publication date |
|---|---|
| UA86190C2 (ru) | 2009-04-10 |
| CN101425874A (zh) | 2009-05-06 |
| CN101166072B (zh) | 2014-11-12 |
| CN1720686A (zh) | 2006-01-11 |
| UA90080C2 (ru) | 2010-04-12 |
| CN1717900A (zh) | 2006-01-04 |
| CN100380857C (zh) | 2008-04-09 |
| CN1717901A (zh) | 2006-01-04 |
| CN101582873A (zh) | 2009-11-18 |
| UA89611C2 (ru) | 2010-02-25 |
| UA87973C2 (ru) | 2009-09-10 |
| CN101166072A (zh) | 2008-04-23 |
| CN101582873B (zh) | 2013-01-02 |
| CN101166054A (zh) | 2008-04-23 |
| UA86752C2 (ru) | 2009-05-25 |
| CN101232726A (zh) | 2008-07-30 |
| CN101425874B (zh) | 2012-12-05 |
| CN101166054B (zh) | 2013-03-06 |
| CN101166074A (zh) | 2008-04-23 |
| CN101232726B (zh) | 2012-12-05 |
| UA86191C2 (ru) | 2009-04-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100459535C (zh) | Mimo wlan系统 | |
| EP1615384B1 (en) | MIMO WLAN system | |
| CN101883438B (zh) | 无线多址通信系统的随机接入 | |
| CN1717888B (zh) | 多个空间多路复用模式的mimo系统 | |
| CN1708936B (zh) | 无线mimo系统中的多模式终端 | |
| RU2485699C2 (ru) | Система беспроводной локальной вычислительной сети с множеством входов и множеством выходов |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1086125 Country of ref document: HK |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1086125 Country of ref document: HK |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090204 |
|
| CX01 | Expiry of patent term |