NO20050351L - Signalbehandling med oppbryting av egenmodus og inversjon i kanaler i et MIMO-system for kommunikasjon - Google Patents
Signalbehandling med oppbryting av egenmodus og inversjon i kanaler i et MIMO-system for kommunikasjonInfo
- Publication number
- NO20050351L NO20050351L NO20050351A NO20050351A NO20050351L NO 20050351 L NO20050351 L NO 20050351L NO 20050351 A NO20050351 A NO 20050351A NO 20050351 A NO20050351 A NO 20050351A NO 20050351 L NO20050351 L NO 20050351L
- Authority
- NO
- Norway
- Prior art keywords
- derive
- channel
- decomposition
- channel inversion
- self
- Prior art date
Links
- 238000000354 decomposition reaction Methods 0.000 abstract 3
- 239000013598 vector Substances 0.000 abstract 3
- 230000005540 biological transmission Effects 0.000 abstract 2
- 239000011159 matrix material Substances 0.000 abstract 2
- 238000007493 shaping process Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 1
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
- H04B7/0413—MIMO systems
- H04B7/0417—Feedback systems
-
- 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
- H04B7/0619—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 using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
-
- 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
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
-
- 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
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03343—Arrangements at the transmitter end
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
- H04L25/03834—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using pulse shaping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/241—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR or Eb/lo
-
- 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
- H04B7/0426—Power distribution
- H04B7/0434—Power distribution using multiple eigenmodes
- H04B7/0439—Power distribution using multiple eigenmodes utilizing channel inversion
-
- 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
- H04B7/0426—Power distribution
- H04B7/0434—Power distribution using multiple eigenmodes
- H04B7/0443—Power distribution using multiple eigenmodes utilizing "waterfilling" technique
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Radio Transmission System (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Small-Scale Networks (AREA)
- Transceivers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/179,442 US7613248B2 (en) | 2002-06-24 | 2002-06-24 | Signal processing with channel eigenmode decomposition and channel inversion for MIMO systems |
| PCT/US2003/019464 WO2004002047A1 (en) | 2002-06-24 | 2003-06-20 | Signal processing with channel eigenmode decomposition and channel inversion for mimo systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO20050351L true NO20050351L (no) | 2005-03-18 |
Family
ID=29734901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20050351A NO20050351L (no) | 2002-06-24 | 2005-01-21 | Signalbehandling med oppbryting av egenmodus og inversjon i kanaler i et MIMO-system for kommunikasjon |
Country Status (18)
| Country | Link |
|---|---|
| US (2) | US7613248B2 (ja) |
| EP (2) | EP2144390A2 (ja) |
| JP (2) | JP4468167B2 (ja) |
| KR (2) | KR20100080950A (ja) |
| CN (1) | CN100459481C (ja) |
| AT (1) | ATE450094T1 (ja) |
| AU (1) | AU2003243679C1 (ja) |
| BR (1) | BR0312089A (ja) |
| CA (1) | CA2490642A1 (ja) |
| DE (1) | DE60330242D1 (ja) |
| ES (1) | ES2335583T3 (ja) |
| IL (1) | IL165939A (ja) |
| MX (1) | MXPA05000097A (ja) |
| NO (1) | NO20050351L (ja) |
| RU (1) | RU2317648C2 (ja) |
| TW (2) | TWI327427B (ja) |
| UA (1) | UA89609C2 (ja) |
| WO (1) | WO2004002047A1 (ja) |
Families Citing this family (137)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7295509B2 (en) | 2000-09-13 | 2007-11-13 | Qualcomm, Incorporated | Signaling method in an OFDM multiple access system |
| US9130810B2 (en) | 2000-09-13 | 2015-09-08 | Qualcomm Incorporated | OFDM communications methods and apparatus |
| US7327800B2 (en) * | 2002-05-24 | 2008-02-05 | Vecima Networks Inc. | System and method for data detection in wireless communication systems |
| US7385915B2 (en) * | 2002-07-31 | 2008-06-10 | Nokia Corporation | Apparatus, and associated method, for facilitating communication allocation in a radio communication system |
| ATE421809T1 (de) * | 2002-08-22 | 2009-02-15 | Imec Inter Uni Micro Electr | Verfahren zur mimo-übertragung für mehrere benutzer und entsprechende vorrichtungen |
| US8194770B2 (en) | 2002-08-27 | 2012-06-05 | Qualcomm Incorporated | Coded MIMO systems with selective channel inversion applied per eigenmode |
| US7355958B2 (en) * | 2002-10-22 | 2008-04-08 | Syracuse University | Blind OFDM channel estimation and identification using receiver diversity |
| US8320301B2 (en) | 2002-10-25 | 2012-11-27 | Qualcomm Incorporated | MIMO WLAN system |
| US8208364B2 (en) * | 2002-10-25 | 2012-06-26 | Qualcomm Incorporated | MIMO system with multiple spatial multiplexing modes |
| US7986742B2 (en) | 2002-10-25 | 2011-07-26 | Qualcomm Incorporated | Pilots for MIMO communication system |
| US8170513B2 (en) | 2002-10-25 | 2012-05-01 | Qualcomm Incorporated | Data detection and demodulation for wireless communication systems |
| US8134976B2 (en) * | 2002-10-25 | 2012-03-13 | Qualcomm Incorporated | Channel calibration for a time division duplexed communication system |
| US7002900B2 (en) | 2002-10-25 | 2006-02-21 | Qualcomm Incorporated | Transmit diversity processing for a multi-antenna communication system |
| US8169944B2 (en) | 2002-10-25 | 2012-05-01 | Qualcomm Incorporated | Random access for wireless multiple-access communication systems |
| US20040081131A1 (en) | 2002-10-25 | 2004-04-29 | Walton Jay Rod | OFDM communication system with multiple OFDM symbol sizes |
| US8570988B2 (en) | 2002-10-25 | 2013-10-29 | Qualcomm Incorporated | Channel calibration for a time division duplexed communication system |
| US7324429B2 (en) | 2002-10-25 | 2008-01-29 | Qualcomm, Incorporated | Multi-mode terminal in a wireless MIMO system |
| US8218609B2 (en) | 2002-10-25 | 2012-07-10 | Qualcomm Incorporated | Closed-loop rate control for a multi-channel communication system |
| US7042967B2 (en) | 2003-03-03 | 2006-05-09 | Interdigital Technology Corporation | Reduced complexity sliding window based equalizer |
| CN100479338C (zh) | 2003-03-03 | 2009-04-15 | 美商内数位科技公司 | 以降低复杂度滑窗为基础的均衡器 |
| US7983355B2 (en) * | 2003-07-09 | 2011-07-19 | Broadcom Corporation | System and method for RF signal combining and adaptive bit loading for data rate maximization in multi-antenna communication systems |
| US7327795B2 (en) * | 2003-03-31 | 2008-02-05 | Vecima Networks Inc. | System and method for wireless communication systems |
| US20040192218A1 (en) * | 2003-03-31 | 2004-09-30 | Oprea Alexandru M. | System and method for channel data transmission in wireless communication systems |
| US7916803B2 (en) | 2003-04-10 | 2011-03-29 | Qualcomm Incorporated | Modified preamble structure for IEEE 802.11a extensions to allow for coexistence and interoperability between 802.11a devices and higher data rate, MIMO or otherwise extended devices |
| US8743837B2 (en) | 2003-04-10 | 2014-06-03 | Qualcomm Incorporated | Modified preamble structure for IEEE 802.11A extensions to allow for coexistence and interoperability between 802.11A devices and higher data rate, MIMO or otherwise extended devices |
| US7715350B2 (en) * | 2003-06-12 | 2010-05-11 | Broadcom Corporation | Classifier for communication device |
| JP4546177B2 (ja) * | 2003-07-28 | 2010-09-15 | パナソニック株式会社 | 無線通信装置および無線通信方法 |
| KR100575993B1 (ko) * | 2003-08-07 | 2006-05-02 | 삼성전자주식회사 | 다중 송수신 안테나를 사용하는 이동통신 시스템에서 다중사용자를 위한 스케쥴링 방법 및 장치 |
| KR100557158B1 (ko) * | 2003-11-12 | 2006-03-03 | 삼성전자주식회사 | 직교 주파수 분할 다중 방식을 사용하는 이동통신시스템에서 부반송파 할당을 위한 장치 및 방법 |
| US9473269B2 (en) | 2003-12-01 | 2016-10-18 | Qualcomm Incorporated | Method and apparatus for providing an efficient control channel structure in a wireless communication system |
| US8204149B2 (en) | 2003-12-17 | 2012-06-19 | Qualcomm Incorporated | Spatial spreading in a multi-antenna communication system |
| US7336746B2 (en) | 2004-12-09 | 2008-02-26 | Qualcomm Incorporated | Data transmission with spatial spreading in a MIMO communication system |
| US8169889B2 (en) | 2004-02-18 | 2012-05-01 | Qualcomm Incorporated | Transmit diversity and spatial spreading for an OFDM-based multi-antenna communication system |
| US20050180312A1 (en) * | 2004-02-18 | 2005-08-18 | Walton J. R. | Transmit diversity and spatial spreading for an OFDM-based multi-antenna communication system |
| US20050213686A1 (en) * | 2004-03-26 | 2005-09-29 | Texas Instruments Incorporated | Reduced complexity transmit spatial waterpouring technique for multiple-input, multiple-output communication systems |
| US20050238111A1 (en) * | 2004-04-09 | 2005-10-27 | Wallace Mark S | Spatial processing with steering matrices for pseudo-random transmit steering in a multi-antenna communication system |
| US7346115B2 (en) | 2004-04-22 | 2008-03-18 | Qualcomm Incorporated | Iterative eigenvector computation for a MIMO communication system |
| KR20050106657A (ko) * | 2004-05-06 | 2005-11-11 | 한국전자통신연구원 | Ofdm/tdd 방식의 상향링크용 고유빔을 형성하기위한 스마트 안테나 시스템 및 그 방법 |
| US8923785B2 (en) | 2004-05-07 | 2014-12-30 | Qualcomm Incorporated | Continuous beamforming for a MIMO-OFDM system |
| US8285226B2 (en) | 2004-05-07 | 2012-10-09 | Qualcomm Incorporated | Steering diversity for an OFDM-based multi-antenna communication system |
| US7720168B2 (en) * | 2004-05-26 | 2010-05-18 | University Of Maryland | Systems and methods for coding in broadband wireless communication systems to achieve maximum diversity in space, time and frequency |
| ES2623882T3 (es) * | 2004-05-27 | 2017-07-12 | Qualcomm Incorporated | Estructura de preámbulo modificado para ampliaciones del IEEE802.11A para permitir la coexistencia e interoperabilidad entre dispositivos 802.11A y dispositivos con mayor tasa de transmisión de datos, MIMO o con otro tipo de ampliaciones |
| US7110463B2 (en) * | 2004-06-30 | 2006-09-19 | Qualcomm, Incorporated | Efficient computation of spatial filter matrices for steering transmit diversity in a MIMO communication system |
| KR100636314B1 (ko) | 2004-07-14 | 2006-10-18 | 삼성전자주식회사 | 다중 안테나 시스템의 신호 전송 장치 및 방법 |
| US7978649B2 (en) | 2004-07-15 | 2011-07-12 | Qualcomm, Incorporated | Unified MIMO transmission and reception |
| US9148256B2 (en) | 2004-07-21 | 2015-09-29 | Qualcomm Incorporated | Performance based rank prediction for MIMO design |
| US9137822B2 (en) | 2004-07-21 | 2015-09-15 | Qualcomm Incorporated | Efficient signaling over access channel |
| US7864659B2 (en) | 2004-08-02 | 2011-01-04 | Interdigital Technology Corporation | Quality control scheme for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems |
| US8023589B2 (en) | 2004-08-09 | 2011-09-20 | Texas Instruments Incorporated | Wireless MIMO transmitter with antenna and tone precoding blocks |
| US7978778B2 (en) | 2004-09-03 | 2011-07-12 | Qualcomm, Incorporated | Receiver structures for spatial spreading with space-time or space-frequency transmit diversity |
| CN1756248B (zh) * | 2004-09-29 | 2010-06-02 | 上海贝尔阿尔卡特股份有限公司 | 多入多出正交频分复用移动通信系统及信道估计方法 |
| US7609780B2 (en) | 2004-09-30 | 2009-10-27 | Intel Corporation | Method and apparatus for performing sequential closed loop multiple input multiple output (MIMO) |
| US7895254B2 (en) * | 2004-11-15 | 2011-02-22 | Qualcomm Incorporated | Eigenvalue decomposition and singular value decomposition of matrices using Jacobi rotation |
| US9246560B2 (en) | 2005-03-10 | 2016-01-26 | Qualcomm Incorporated | Systems and methods for beamforming and rate control in a multi-input multi-output communication systems |
| US9154211B2 (en) | 2005-03-11 | 2015-10-06 | Qualcomm Incorporated | Systems and methods for beamforming feedback in multi antenna communication systems |
| US8724740B2 (en) * | 2005-03-11 | 2014-05-13 | Qualcomm Incorporated | Systems and methods for reducing uplink resources to provide channel performance feedback for adjustment of downlink MIMO channel data rates |
| US8995547B2 (en) * | 2005-03-11 | 2015-03-31 | Qualcomm Incorporated | Systems and methods for reducing uplink resources to provide channel performance feedback for adjustment of downlink MIMO channel data rates |
| US8446892B2 (en) | 2005-03-16 | 2013-05-21 | Qualcomm Incorporated | Channel structures for a quasi-orthogonal multiple-access communication system |
| CN1835415A (zh) | 2005-03-16 | 2006-09-20 | 松下电器产业株式会社 | 无线通信系统中使用的低复杂度比特和功率分配方法和装置 |
| US9143305B2 (en) * | 2005-03-17 | 2015-09-22 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
| US9461859B2 (en) | 2005-03-17 | 2016-10-04 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
| US9520972B2 (en) | 2005-03-17 | 2016-12-13 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
| US9184870B2 (en) | 2005-04-01 | 2015-11-10 | Qualcomm Incorporated | Systems and methods for control channel signaling |
| WO2006112032A1 (en) * | 2005-04-14 | 2006-10-26 | Matsushita Electric Industrial Co., Ltd. | Wireless reception apparatus, wireless transmission apparatus, wireless communication system, wireless reception method, wireless transmission method, and wireless communication method |
| US9036538B2 (en) | 2005-04-19 | 2015-05-19 | Qualcomm Incorporated | Frequency hopping design for single carrier FDMA systems |
| US9408220B2 (en) | 2005-04-19 | 2016-08-02 | Qualcomm Incorporated | Channel quality reporting for adaptive sectorization |
| US8189714B2 (en) | 2005-05-04 | 2012-05-29 | Rockstar Bidco, LP | Wireless feedback system and method |
| KR101119351B1 (ko) * | 2005-05-04 | 2012-03-06 | 삼성전자주식회사 | 직교 주파수 분할 다중 시스템에서 정보의 송수신 방법 및 장치와 그 시스템 |
| US7872981B2 (en) | 2005-05-12 | 2011-01-18 | Qualcomm Incorporated | Rate selection for eigensteering in a MIMO communication system |
| US7466749B2 (en) | 2005-05-12 | 2008-12-16 | Qualcomm Incorporated | Rate selection with margin sharing |
| US8565194B2 (en) | 2005-10-27 | 2013-10-22 | Qualcomm Incorporated | Puncturing signaling channel for a wireless communication system |
| US8611284B2 (en) | 2005-05-31 | 2013-12-17 | Qualcomm Incorporated | Use of supplemental assignments to decrement resources |
| US8879511B2 (en) | 2005-10-27 | 2014-11-04 | Qualcomm Incorporated | Assignment acknowledgement for a wireless communication system |
| US8462859B2 (en) | 2005-06-01 | 2013-06-11 | Qualcomm Incorporated | Sphere decoding apparatus |
| US7630732B2 (en) * | 2005-06-14 | 2009-12-08 | Interdigital Technology Corporation | Method and apparatus for generating feedback information for transmit power control in a multiple-input multiple-output wireless communication system |
| US8599945B2 (en) | 2005-06-16 | 2013-12-03 | Qualcomm Incorporated | Robust rank prediction for a MIMO system |
| US9179319B2 (en) | 2005-06-16 | 2015-11-03 | Qualcomm Incorporated | Adaptive sectorization in cellular systems |
| US8358714B2 (en) | 2005-06-16 | 2013-01-22 | Qualcomm Incorporated | Coding and modulation for multiple data streams in a communication system |
| US20060285531A1 (en) * | 2005-06-16 | 2006-12-21 | Howard Steven J | Efficient filter weight computation for a MIMO system |
| JP4679262B2 (ja) * | 2005-06-24 | 2011-04-27 | 三洋電機株式会社 | 送信方法および装置ならびに受信方法および装置ならびにそれらを利用した通信システム |
| KR100891448B1 (ko) | 2005-08-04 | 2009-04-01 | 삼성전자주식회사 | 다중 안테나 시스템에서 공간 멀티플랙싱 방식의 검출 장치및 방법 |
| US8885628B2 (en) | 2005-08-08 | 2014-11-11 | Qualcomm Incorporated | Code division multiplexing in a single-carrier frequency division multiple access system |
| US8073068B2 (en) * | 2005-08-22 | 2011-12-06 | Qualcomm Incorporated | Selective virtual antenna transmission |
| US9209956B2 (en) | 2005-08-22 | 2015-12-08 | Qualcomm Incorporated | Segment sensitive scheduling |
| US20070041457A1 (en) | 2005-08-22 | 2007-02-22 | Tamer Kadous | Method and apparatus for providing antenna diversity in a wireless communication system |
| US8644292B2 (en) | 2005-08-24 | 2014-02-04 | Qualcomm Incorporated | Varied transmission time intervals for wireless communication system |
| US9136974B2 (en) | 2005-08-30 | 2015-09-15 | Qualcomm Incorporated | Precoding and SDMA support |
| EP2194659A1 (en) * | 2005-09-02 | 2010-06-09 | Mitsubishi Electric R&D Centre Europe B.V. | Method for controlling the transfer of signals from a first communication device to a second communication device through a wireless network |
| KR20130108464A (ko) * | 2005-09-29 | 2013-10-02 | 인터디지탈 테크날러지 코포레이션 | Mimo 빔형성 기반의 단일 반송파 주파수 분할 다중 접속 시스템 |
| US9088384B2 (en) | 2005-10-27 | 2015-07-21 | Qualcomm Incorporated | Pilot symbol transmission in wireless communication systems |
| US9225416B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Varied signaling channels for a reverse link in a wireless communication system |
| US9210651B2 (en) | 2005-10-27 | 2015-12-08 | Qualcomm Incorporated | Method and apparatus for bootstraping information in a communication system |
| US9172453B2 (en) | 2005-10-27 | 2015-10-27 | Qualcomm Incorporated | Method and apparatus for pre-coding frequency division duplexing system |
| US8582509B2 (en) | 2005-10-27 | 2013-11-12 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
| US8477684B2 (en) | 2005-10-27 | 2013-07-02 | Qualcomm Incorporated | Acknowledgement of control messages in a wireless communication system |
| US9225488B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Shared signaling channel |
| US8045512B2 (en) * | 2005-10-27 | 2011-10-25 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
| US9144060B2 (en) | 2005-10-27 | 2015-09-22 | Qualcomm Incorporated | Resource allocation for shared signaling channels |
| US8693405B2 (en) | 2005-10-27 | 2014-04-08 | Qualcomm Incorporated | SDMA resource management |
| US8582548B2 (en) | 2005-11-18 | 2013-11-12 | Qualcomm Incorporated | Frequency division multiple access schemes for wireless communication |
| KR20070074023A (ko) * | 2006-01-06 | 2007-07-12 | 삼성전자주식회사 | 다중 안테나 다중 사용자 통신 시스템의 최적 퍼터베이션장치 및 방법 |
| JP4708206B2 (ja) * | 2006-02-10 | 2011-06-22 | 日本電信電話株式会社 | 無線通信方法及び無線基地局 |
| US8543070B2 (en) * | 2006-04-24 | 2013-09-24 | Qualcomm Incorporated | Reduced complexity beam-steered MIMO OFDM system |
| US8290089B2 (en) * | 2006-05-22 | 2012-10-16 | Qualcomm Incorporated | Derivation and feedback of transmit steering matrix |
| US8116391B2 (en) | 2006-05-26 | 2012-02-14 | Wi-Lan Inc. | Quantization of channel state information in multiple antenna systems |
| TWI343200B (en) | 2006-05-26 | 2011-06-01 | Lg Electronics Inc | Method and apparatus for signal generation using phase-shift based pre-coding |
| KR20070113967A (ko) | 2006-05-26 | 2007-11-29 | 엘지전자 주식회사 | 위상천이 기반의 프리코딩 방법 및 이를 지원하는 송수신기 |
| KR101249359B1 (ko) * | 2006-08-18 | 2013-04-01 | 삼성전자주식회사 | 다중 입력 다중 출력을 지원하는 직교 주파수 분할 다중화 시스템에서 채널 품질 정보를 송수신하는 방법 및 장치 |
| EP2060022B1 (en) * | 2006-09-06 | 2016-02-17 | Qualcomm Incorporated | Codeword permutation and reduced feedback for grouped antennas |
| KR20080026010A (ko) | 2006-09-19 | 2008-03-24 | 엘지전자 주식회사 | 위상천이 기반의 프리코딩을 이용한 데이터 전송 방법 및이를 구현하는 송수신 장치 |
| KR20080026019A (ko) * | 2006-09-19 | 2008-03-24 | 엘지전자 주식회사 | 위상천이 기반의 프리코딩 방법 및 이를 지원하는 송수신기 |
| KR20080076683A (ko) | 2007-02-14 | 2008-08-20 | 엘지전자 주식회사 | 위상천이 기반의 프리코딩 방법 및 이를 지원하는 송수신기 |
| RU2438262C2 (ru) * | 2007-02-14 | 2011-12-27 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Способ передачи и приема данных с использованием предварительного кодирования на основе фазового сдвига и приемопередатчик для его осуществления |
| US8036282B2 (en) | 2007-09-07 | 2011-10-11 | Wi-Lan Inc. | Multi-tiered quantization of channel state information in multiple antenna systems |
| US8009778B2 (en) | 2007-09-07 | 2011-08-30 | Tr Technologies Inc. | Quantized channel state information prediction in multiple antenna systems |
| KR20090030200A (ko) | 2007-09-19 | 2009-03-24 | 엘지전자 주식회사 | 위상천이 기반의 프리코딩을 이용한 데이터 송수신 방법 및이를 지원하는 송수신기 |
| CN101170340B (zh) * | 2007-11-22 | 2011-06-15 | 上海交通大学 | 低复杂度多用户多天线正交频分复用系统子信道分配方法 |
| JP5109707B2 (ja) * | 2008-02-19 | 2012-12-26 | コニカミノルタビジネステクノロジーズ株式会社 | 定着装置及び画像形成装置 |
| US8345793B2 (en) * | 2008-03-10 | 2013-01-01 | Telefonaktiebolaget Lm Ericsson (Publ) | Compensation of diagonal ISI in OFDM signals |
| US8234546B2 (en) * | 2008-04-21 | 2012-07-31 | Wi-Lan, Inc. | Mitigation of transmission errors of quantized channel state information feedback in multi antenna systems |
| JP4832548B2 (ja) * | 2009-04-28 | 2011-12-07 | パナソニック株式会社 | 送信装置及び送信方法 |
| EP2469729B1 (en) * | 2009-08-17 | 2017-08-16 | Alcatel Lucent | Method and apparatus for keeping the precoding channel coherency in a communication network |
| JP5809632B2 (ja) * | 2009-10-30 | 2015-11-11 | コモンウェルス サイエンティフィック アンド インダストリアル リサーチ オーガナイゼーション | 帯域外放射の除去 |
| CN102104439B (zh) * | 2009-12-21 | 2016-08-31 | 上海贝尔股份有限公司 | 一种传输方法及其设备 |
| US8750089B2 (en) * | 2010-01-05 | 2014-06-10 | Broadcom Corporation | Method and system for iterative discrete fourier transform (DFT) based channel estimation using minimum mean square error (MMSE) techniques |
| US20120320858A1 (en) * | 2010-02-23 | 2012-12-20 | Nec Corporation | Base station and its adaptive modulation control method |
| JP2012023598A (ja) * | 2010-07-15 | 2012-02-02 | Fujitsu Ltd | 無線通信システム、中継装置及び制御装置、並びに通信方法 |
| US8817834B2 (en) | 2011-05-02 | 2014-08-26 | Maxlinear, Inc. | Method and system for I/Q mismatch calibration and compensation for wideband communication receivers |
| US9294179B2 (en) | 2012-02-07 | 2016-03-22 | Google Technology Holdings LLC | Gain normalization correction of PMI and COI feedback for base station with antenna array |
| CN103378922B (zh) * | 2012-04-17 | 2017-02-22 | 华为技术有限公司 | 无线通信信号的干扰协调方法及装置 |
| EP3039795B1 (en) * | 2013-08-29 | 2019-08-21 | Huawei Technologies Co., Ltd. | Method and node in a wireless communication network |
| CN104917712B (zh) * | 2014-03-14 | 2018-06-05 | 华为技术有限公司 | 信号处理方法及装置 |
| CN109314619B (zh) * | 2016-03-23 | 2021-05-25 | 凝聚技术公司 | 正交时间频率空间调制信号的接收器侧处理 |
| EP3427454B1 (en) * | 2016-03-24 | 2020-07-29 | Huawei Technologies Co., Ltd. | Method and node in a wireless communication network |
| TWI618374B (zh) * | 2017-04-21 | 2018-03-11 | 國立臺灣大學 | 束波成型索引空間調變的方法 |
| US11228363B2 (en) | 2017-09-25 | 2022-01-18 | Nippon Telegraph And Telephone Corporation | OAM multiplexing communication system and inter-mode interference elimination method |
| EP3691153B1 (en) | 2017-09-25 | 2022-06-22 | Nippon Telegraph And Telephone Corporation | Oam multiplexing communication system and oam multiplexing communication method |
Family Cites Families (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1730801A (en) | 1927-11-01 | 1929-10-08 | Warren S D Co | Method of treating molds |
| TW211095B (ja) | 1991-12-11 | 1993-08-11 | Philips Nv | |
| US5548615A (en) * | 1993-05-03 | 1996-08-20 | At&T Corp. | Methods and apparatus for rotationally invariant multilevel coding |
| FI95327C (fi) | 1994-01-26 | 1996-01-10 | Lk Products Oy | Säädettävä suodatin |
| CA2302289C (en) * | 1996-08-29 | 2005-11-08 | Gregory G. Raleigh | Spatio-temporal processing for communication |
| FR2754125B1 (fr) * | 1996-09-30 | 2004-07-09 | Sc Reprosol | Dispositif et procede d'egalisation vectorielle d'un signal ofdm |
| US5960040A (en) * | 1996-12-05 | 1999-09-28 | Raytheon Company | Communication signal processors and methods |
| US6314147B1 (en) * | 1997-11-04 | 2001-11-06 | The Board Of Trustees Of The Leland Stanford Junior University | Two-stage CCI/ISI reduction with space-time processing in TDMA cellular networks |
| EP0936781A1 (en) * | 1998-02-16 | 1999-08-18 | Alcatel | Method for pre-distorting signals transmitted over non-reciprocal channels |
| US6493399B1 (en) * | 1998-03-05 | 2002-12-10 | University Of Delaware | Digital wireless communications systems that eliminates intersymbol interference (ISI) and multipath cancellation using a plurality of optimal ambiguity resistant precoders |
| JP4287536B2 (ja) * | 1998-11-06 | 2009-07-01 | パナソニック株式会社 | Ofdm送受信装置及びofdm送受信方法 |
| US6870888B1 (en) * | 1998-11-25 | 2005-03-22 | Aware, Inc. | Bit allocation among carriers in multicarrier communications |
| US6396885B1 (en) * | 1998-12-02 | 2002-05-28 | Nortel Networks Limited | Co-channel interference reduction in wireless communications systems |
| US6996195B2 (en) * | 1999-12-22 | 2006-02-07 | Nokia Mobile Phones Ltd. | Channel estimation in a communication system |
| US6473467B1 (en) | 2000-03-22 | 2002-10-29 | Qualcomm Incorporated | Method and apparatus for measuring reporting channel state information in a high efficiency, high performance communications system |
| BR0112403A (pt) | 2000-07-12 | 2006-05-09 | Qualcomm Inc | multiplexação de serviços em tempo real e serviços em tempo não real para sistemas ofdm |
| RU2176436C1 (ru) * | 2000-09-01 | 2001-11-27 | Военная академия Ракетных войск стратегического назначения имени Петра Великого | Универсальный цифровой формирователь сигналов с непрерывной фазовой модуляцией |
| GB0029424D0 (en) * | 2000-12-02 | 2001-01-17 | Koninkl Philips Electronics Nv | Radio communication system |
| US6859503B2 (en) * | 2001-04-07 | 2005-02-22 | Motorola, Inc. | Method and system in a transceiver for controlling a multiple-input, multiple-output communications channel |
| KR100510434B1 (ko) * | 2001-04-09 | 2005-08-26 | 니폰덴신뎅와 가부시키가이샤 | Ofdm신호전달 시스템, ofdm신호 송신장치 및ofdm신호 수신장치 |
| US7688899B2 (en) * | 2001-05-17 | 2010-03-30 | Qualcomm Incorporated | Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion |
| US7072413B2 (en) * | 2001-05-17 | 2006-07-04 | Qualcomm, Incorporated | Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion |
| US6751187B2 (en) * | 2001-05-17 | 2004-06-15 | Qualcomm Incorporated | Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel transmission |
| US6956907B2 (en) * | 2001-10-15 | 2005-10-18 | Qualcomm, Incorporated | Method and apparatus for determining power allocation in a MIMO communication system |
| US20030125040A1 (en) * | 2001-11-06 | 2003-07-03 | Walton Jay R. | Multiple-access multiple-input multiple-output (MIMO) communication system |
| US20030113312A1 (en) * | 2001-12-14 | 2003-06-19 | The Regents Of The University Of California | Skin barrier function and cohesion through enhanced stratum corneum acidification |
| US7020482B2 (en) * | 2002-01-23 | 2006-03-28 | Qualcomm Incorporated | Reallocation of excess power for full channel-state information (CSI) multiple-input, multiple-output (MIMO) systems |
| US6850741B2 (en) * | 2002-04-04 | 2005-02-01 | Agency For Science, Technology And Research | Method for selecting switched orthogonal beams for downlink diversity transmission |
| US7773692B2 (en) * | 2006-12-01 | 2010-08-10 | Texas Instruments Incorporated | System and methods for digitally correcting a non-linear element using a digital filter for predistortion |
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| ES2335583T3 (es) | 2010-03-30 |
| JP2005531218A (ja) | 2005-10-13 |
| TWI327427B (en) | 2010-07-11 |
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| JP4468167B2 (ja) | 2010-05-26 |
| UA89609C2 (ru) | 2010-02-25 |
| AU2003243679B2 (en) | 2009-02-26 |
| CN100459481C (zh) | 2009-02-04 |
| TW200404422A (en) | 2004-03-16 |
| MXPA05000097A (es) | 2005-06-06 |
| RU2005101422A (ru) | 2005-08-10 |
| KR20100080950A (ko) | 2010-07-13 |
| RU2317648C2 (ru) | 2008-02-20 |
| DE60330242D1 (de) | 2010-01-07 |
| CA2490642A1 (en) | 2003-12-31 |
| EP2144390A2 (en) | 2010-01-13 |
| AU2003243679C1 (en) | 2009-07-23 |
| US20030235255A1 (en) | 2003-12-25 |
| TW201029370A (en) | 2010-08-01 |
| WO2004002047A1 (en) | 2003-12-31 |
| EP1516448A1 (en) | 2005-03-23 |
| US20100046666A1 (en) | 2010-02-25 |
| JP2010136396A (ja) | 2010-06-17 |
| AU2003243679A1 (en) | 2004-01-06 |
| IL165939A0 (en) | 2006-01-15 |
| IL165939A (en) | 2010-06-30 |
| CN1675873A (zh) | 2005-09-28 |
| ATE450094T1 (de) | 2009-12-15 |
| BR0312089A (pt) | 2007-05-29 |
| US7613248B2 (en) | 2009-11-03 |
| EP1516448B1 (en) | 2009-11-25 |
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