BRPI1011756A2 - "método, aparelho e sistema de transmissão de informação de estado de canal" - Google Patents
"método, aparelho e sistema de transmissão de informação de estado de canal"Info
- Publication number
- BRPI1011756A2 BRPI1011756A2 BRPI1011756A BRPI1011756A BRPI1011756A2 BR PI1011756 A2 BRPI1011756 A2 BR PI1011756A2 BR PI1011756 A BRPI1011756 A BR PI1011756A BR PI1011756 A BRPI1011756 A BR PI1011756A BR PI1011756 A2 BRPI1011756 A2 BR PI1011756A2
- Authority
- BR
- Brazil
- Prior art keywords
- state information
- transmission method
- information transmission
- channel state
- channel
- Prior art date
Links
Classifications
-
- 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
- H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
-
- 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
-
- 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
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
- H04J11/0063—Interference mitigation or co-ordination of multipath interference, e.g. 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
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
-
- 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
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0028—Formatting
-
- 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
- H04L1/0036—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver
-
- 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
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0072—Error control for data other than payload data, e.g. control data
- H04L1/0073—Special arrangements for feedback channel
-
- 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
- H04L1/0606—Space-frequency 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
- H04L25/0204—Channel estimation of multiple channels
-
- 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
- H04L25/03891—Spatial equalizers
- H04L25/03961—Spatial equalizers design criteria
- H04L25/03968—Spatial equalizers design criteria mean-square error [MSE]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/20—Modulator circuits; Transmitter circuits
- H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
- H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
- H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
- H04L27/2067—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states
- H04L27/2078—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states in which the phase change per symbol period is constrained
- H04L27/2082—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states in which the phase change per symbol period is constrained for offset or staggered quadrature phase shift keying
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier 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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
- H04B7/0465—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking power constraints at power amplifier or emission constraints, e.g. constant modulus, into account
-
- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L2001/125—Arrangements for preventing errors in the return channel
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Quality & Reliability (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910091940.5A CN102006144B (zh) | 2009-09-01 | 2009-09-01 | 预编码方法、装置及频域均衡方法、装置 |
PCT/CN2010/076521 WO2011026426A1 (zh) | 2009-09-01 | 2010-09-01 | 信道状态信息的传输方法、装置和系统 |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI1011756A2 true BRPI1011756A2 (pt) | 2018-03-06 |
Family
ID=43648902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI1011756A BRPI1011756A2 (pt) | 2009-09-01 | 2010-09-01 | "método, aparelho e sistema de transmissão de informação de estado de canal" |
Country Status (5)
Country | Link |
---|---|
US (2) | US9025683B2 (pt) |
EP (1) | EP2453587B1 (pt) |
CN (1) | CN102006144B (pt) |
BR (1) | BRPI1011756A2 (pt) |
WO (1) | WO2011026426A1 (pt) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009108116A1 (en) * | 2008-02-25 | 2009-09-03 | Chalmers Intellectual Property Rights Ab | Relays in multi-user mimo systems |
US9972325B2 (en) | 2012-02-17 | 2018-05-15 | Huawei Technologies Co., Ltd. | System and method for mixed codebook excitation for speech coding |
FR2990090A1 (fr) * | 2012-04-27 | 2013-11-01 | France Telecom | Procede de communication sans-fil avec un recepteur a antennes multiples |
FR2990816A1 (fr) * | 2012-05-16 | 2013-11-22 | France Telecom | Procede de communication sans-fil a haut debit avec un recepteur a antennes multiples |
US9060287B2 (en) * | 2013-03-11 | 2015-06-16 | Rohde & Schwarz Gmbh & Co. Kg | Measuring device and measurement method for non-intrusive throughput measurement in communication networks |
CN106936751B (zh) * | 2015-12-30 | 2019-08-23 | 北京信威通信技术股份有限公司 | 数据传输方法及装置 |
CN106936754B (zh) * | 2015-12-31 | 2020-05-08 | 华为技术有限公司 | 一种通信处理方法、处理器和通信设备 |
US11177995B2 (en) * | 2020-02-05 | 2021-11-16 | Huawei Technologies Co., Ltd. | Methods and apparatus for communicating a single carrier waveform |
CN115459834B (zh) * | 2022-09-19 | 2024-06-04 | 浙江大学 | 一种低轨卫星物联网的低分辨率均衡方法 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7197084B2 (en) * | 2002-03-27 | 2007-03-27 | Qualcomm Incorporated | Precoding for a multipath channel in a MIMO system |
AU2003224899A1 (en) * | 2002-04-16 | 2003-11-03 | Thomson Licensing S.A. | Concatenated equalizer/trellis decoder architecture for an hdtv receiver |
US20050036575A1 (en) * | 2003-08-15 | 2005-02-17 | Nokia Corporation | Method and apparatus providing low complexity equalization and interference suppression for SAIC GSM/EDGE receiver |
US7660340B2 (en) * | 2004-06-22 | 2010-02-09 | Alcatel-Lucent Usa Inc. | Method of receiver processing of CDMA signals in a CDMA system |
KR100577260B1 (ko) * | 2004-07-29 | 2006-05-10 | 엘지전자 주식회사 | 채널 등화 장치 및 방법 |
JP4898674B2 (ja) * | 2005-06-22 | 2012-03-21 | パナソニック株式会社 | マルチキャリア伝送方式の送信装置及び受信装置並びにマルチキャリア伝送方式を用いた送信方法及び受信方法 |
US7936810B2 (en) * | 2005-09-08 | 2011-05-03 | Texas Instruments Incorporated | Delayed combining of frequency-domain equalized wireless channels with large delay-spreads |
US7852951B2 (en) * | 2005-09-30 | 2010-12-14 | Intel Corporation | Multicarrier receiver for multiple-input multiple-output wireless communication systems and method |
KR100991577B1 (ko) * | 2005-09-30 | 2010-11-04 | 인텔 코포레이션 | 시공간 동일채널 간섭 소거 수행 장치, 시스템 및 방법 |
CN100525275C (zh) | 2005-10-27 | 2009-08-05 | 财团法人工业技术研究院 | Mimo-ofdm系统及其中之预编码与反馈的方法 |
KR100845498B1 (ko) * | 2006-09-29 | 2008-07-10 | 한국전자통신연구원 | 다중사용자 다중안테나 통신 시스템에서 전처리 장치 및전처리 방법 |
CN101262310B (zh) | 2007-03-09 | 2011-01-05 | 中兴通讯股份有限公司 | 一种mimo系统基于码本的预编码方法 |
US20090122854A1 (en) * | 2007-11-14 | 2009-05-14 | The Hong Kong University Of Science And Technology | Frequency domain equalization with transmit precoding for high speed data transmission |
CN101217304B (zh) | 2008-01-10 | 2013-01-30 | 北京邮电大学 | 一种多子信道的多输入多输出预编码处理方法 |
SG188115A1 (en) * | 2008-02-04 | 2013-03-28 | Samsung Electronics Co Ltd | Control and data multiplexing in communication systems |
CN102007747B (zh) * | 2008-04-18 | 2014-12-03 | 皇家飞利浦电子股份有限公司 | 改进的双载波调制预编码 |
MX2011003075A (es) * | 2008-09-22 | 2011-04-19 | Panasonic Corp | Dispositivo de radiocomunicacion y metodo de division de señales. |
WO2011032571A1 (en) * | 2009-09-17 | 2011-03-24 | Universität Duisburg-Essen | Transmitter and receiver for transceiving optical signals |
CN101795257B (zh) * | 2010-01-22 | 2014-03-05 | 东南大学 | 带循环前缀的偏移调制正交频分复用传输方法 |
US8781027B2 (en) * | 2012-05-10 | 2014-07-15 | Intel Mobile Communications GmbH | Apparatus and method for determining a precoding matrix |
-
2009
- 2009-09-01 CN CN200910091940.5A patent/CN102006144B/zh active Active
-
2010
- 2010-09-01 BR BRPI1011756A patent/BRPI1011756A2/pt not_active Application Discontinuation
- 2010-09-01 WO PCT/CN2010/076521 patent/WO2011026426A1/zh active Application Filing
- 2010-09-01 EP EP10813348.9A patent/EP2453587B1/en active Active
-
2011
- 2011-12-16 US US13/329,027 patent/US9025683B2/en active Active
-
2015
- 2015-03-18 US US14/661,876 patent/US9722821B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP2453587B1 (en) | 2018-06-13 |
EP2453587A1 (en) | 2012-05-16 |
US20120087382A1 (en) | 2012-04-12 |
CN102006144A (zh) | 2011-04-06 |
US9025683B2 (en) | 2015-05-05 |
US20150195109A1 (en) | 2015-07-09 |
WO2011026426A1 (zh) | 2011-03-10 |
CN102006144B (zh) | 2014-01-08 |
US9722821B2 (en) | 2017-08-01 |
EP2453587A4 (en) | 2012-11-14 |
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Legal Events
Date | Code | Title | Description |
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B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
B15K | Others concerning applications: alteration of classification |
Free format text: A CLASSIFICACAO ANTERIOR ERA: H04B 7/02 Ipc: H04B 7/0426 (2017.01), H04B 7/0456 (2017.01), H04B |
|
B06A | Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette] | ||
B06A | Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette] | ||
B09B | Patent application refused [chapter 9.2 patent gazette] | ||
B09B | Patent application refused [chapter 9.2 patent gazette] |
Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL |