CN101175057A - 用于正交多频分工接收器的自适应量化方法及装置 - Google Patents
用于正交多频分工接收器的自适应量化方法及装置 Download PDFInfo
- Publication number
- CN101175057A CN101175057A CNA2007100973307A CN200710097330A CN101175057A CN 101175057 A CN101175057 A CN 101175057A CN A2007100973307 A CNA2007100973307 A CN A2007100973307A CN 200710097330 A CN200710097330 A CN 200710097330A CN 101175057 A CN101175057 A CN 101175057A
- Authority
- CN
- China
- Prior art keywords
- calculate
- threshold
- subcarrier
- channel
- quantization
- 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
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
-
- 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
- H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
- H04L25/067—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
Abstract
Description
Claims (28)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/381,625 US7756222B2 (en) | 2006-05-04 | 2006-05-04 | Adaptive quantization method and apparatus for an OFDM receiver |
US11/381,625 | 2006-05-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101175057A true CN101175057A (zh) | 2008-05-07 |
CN101175057B CN101175057B (zh) | 2011-11-02 |
Family
ID=38661166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007100973307A Active CN101175057B (zh) | 2006-05-04 | 2007-05-08 | 用于正交多频分工接收器的自适应量化方法及装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7756222B2 (zh) |
CN (1) | CN101175057B (zh) |
TW (1) | TWI342701B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103026675A (zh) * | 2010-07-23 | 2013-04-03 | 高通股份有限公司 | 无线接收机中的决策度量的自适应量化 |
WO2014000225A1 (en) * | 2012-06-28 | 2014-01-03 | St-Ericsson Sa | Soft bit un-uniform quantization method, apparatus, computer program and storage medium |
CN107733569A (zh) * | 2017-09-27 | 2018-02-23 | 中国电子科技集团公司第五十四研究所 | 一种星上载荷多波束采样数据压缩方法 |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10425134B2 (en) | 2004-04-02 | 2019-09-24 | Rearden, Llc | System and methods for planned evolution and obsolescence of multiuser spectrum |
US8542763B2 (en) | 2004-04-02 | 2013-09-24 | Rearden, Llc | Systems and methods to coordinate transmissions in distributed wireless systems via user clustering |
US8654815B1 (en) | 2004-04-02 | 2014-02-18 | Rearden, Llc | System and method for distributed antenna wireless communications |
US10187133B2 (en) | 2004-04-02 | 2019-01-22 | Rearden, Llc | System and method for power control and antenna grouping in a distributed-input-distributed-output (DIDO) network |
US10200094B2 (en) | 2004-04-02 | 2019-02-05 | Rearden, Llc | Interference management, handoff, power control and link adaptation in distributed-input distributed-output (DIDO) communication systems |
US11309943B2 (en) | 2004-04-02 | 2022-04-19 | Rearden, Llc | System and methods for planned evolution and obsolescence of multiuser spectrum |
US9819403B2 (en) | 2004-04-02 | 2017-11-14 | Rearden, Llc | System and method for managing handoff of a client between different distributed-input-distributed-output (DIDO) networks based on detected velocity of the client |
US11394436B2 (en) | 2004-04-02 | 2022-07-19 | Rearden, Llc | System and method for distributed antenna wireless communications |
US10985811B2 (en) | 2004-04-02 | 2021-04-20 | Rearden, Llc | System and method for distributed antenna wireless communications |
US10749582B2 (en) | 2004-04-02 | 2020-08-18 | Rearden, Llc | Systems and methods to coordinate transmissions in distributed wireless systems via user clustering |
US11451275B2 (en) | 2004-04-02 | 2022-09-20 | Rearden, Llc | System and method for distributed antenna wireless communications |
US10277290B2 (en) | 2004-04-02 | 2019-04-30 | Rearden, Llc | Systems and methods to exploit areas of coherence in wireless systems |
US9312929B2 (en) | 2004-04-02 | 2016-04-12 | Rearden, Llc | System and methods to compensate for Doppler effects in multi-user (MU) multiple antenna systems (MAS) |
US9826537B2 (en) | 2004-04-02 | 2017-11-21 | Rearden, Llc | System and method for managing inter-cluster handoff of clients which traverse multiple DIDO clusters |
US10886979B2 (en) | 2004-04-02 | 2021-01-05 | Rearden, Llc | System and method for link adaptation in DIDO multicarrier systems |
US9685997B2 (en) | 2007-08-20 | 2017-06-20 | Rearden, Llc | Systems and methods to enhance spatial diversity in distributed-input distributed-output wireless systems |
US8023577B2 (en) * | 2007-02-02 | 2011-09-20 | Texas Instruments Incorporated | Systems and methods for efficient channel classification |
US7876846B2 (en) * | 2007-03-28 | 2011-01-25 | Aspen Acquisition Corporation | Method of QAM soft demapping |
KR20100108607A (ko) * | 2008-01-29 | 2010-10-07 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 패킷 재송신 및 수신 방법과 이를 이용하는 무선 디바이스 |
US7688245B2 (en) * | 2008-07-11 | 2010-03-30 | Infineon Technologies Ag | Method for quantizing of signal values and quantizer |
BRPI0925342B1 (pt) * | 2009-04-28 | 2020-12-29 | Telefonaktiebolaget Lm Ericsson (Publ) | método de comunicação de sinal cooperativa, dispositivo, rede de comunicação, e, meio legível por computador |
US8582696B2 (en) * | 2011-04-28 | 2013-11-12 | Qualcomm Incorporated | Method and apparatus for data quantization and packing with variable bit width and period |
KR20200009157A (ko) * | 2012-05-18 | 2020-01-29 | 리어덴 엘엘씨 | 분산 입력 분산 출력 무선 시스템에서 공간 다이버시티를 향상시키기 위한 시스템 및 방법 |
US9491023B2 (en) * | 2012-08-21 | 2016-11-08 | Ali Europe Sarl | Soft metrics compressing method |
US11190947B2 (en) | 2014-04-16 | 2021-11-30 | Rearden, Llc | Systems and methods for concurrent spectrum usage within actively used spectrum |
US11050468B2 (en) | 2014-04-16 | 2021-06-29 | Rearden, Llc | Systems and methods for mitigating interference within actively used spectrum |
US10194346B2 (en) | 2012-11-26 | 2019-01-29 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
US11189917B2 (en) | 2014-04-16 | 2021-11-30 | Rearden, Llc | Systems and methods for distributing radioheads |
US10164698B2 (en) | 2013-03-12 | 2018-12-25 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
US9973246B2 (en) | 2013-03-12 | 2018-05-15 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
US9923657B2 (en) | 2013-03-12 | 2018-03-20 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
US10488535B2 (en) | 2013-03-12 | 2019-11-26 | Rearden, Llc | Apparatus and method for capturing still images and video using diffraction coded imaging techniques |
RU2767777C2 (ru) | 2013-03-15 | 2022-03-21 | Риарден, Ллк | Системы и способы радиочастотной калибровки с использованием принципа взаимности каналов в беспроводной связи с распределенным входом - распределенным выходом |
CN103259898B (zh) * | 2013-04-18 | 2016-03-30 | 华为终端有限公司 | 自适应调节频响的方法及终端 |
US11290162B2 (en) | 2014-04-16 | 2022-03-29 | Rearden, Llc | Systems and methods for mitigating interference within actively used spectrum |
EP3425807B1 (en) * | 2016-04-06 | 2020-10-21 | Nippon Telegraph and Telephone Corporation | Wireless communication system and communication method |
US10848174B1 (en) | 2019-05-09 | 2020-11-24 | Dialog Semiconductor B.V. | Digital filter |
US10972123B1 (en) | 2019-05-09 | 2021-04-06 | Dialog Semiconductor B.V. | Signal processing structure |
US10861433B1 (en) | 2019-05-09 | 2020-12-08 | Dialog Semiconductor B.V. | Quantizer |
US11107453B2 (en) | 2019-05-09 | 2021-08-31 | Dialog Semiconductor B.V. | Anti-noise signal generator |
US11329634B1 (en) | 2019-05-09 | 2022-05-10 | Dialog Semiconductor B.V. | Digital filter structure |
US10784890B1 (en) * | 2019-05-09 | 2020-09-22 | Dialog Semiconductor B.V. | Signal processor |
US11706062B1 (en) | 2021-11-24 | 2023-07-18 | Dialog Semiconductor B.V. | Digital filter |
FR3136136B1 (fr) * | 2022-05-31 | 2024-04-12 | Continental Automotive Tech | Procédé et dispositif de synchronisation d’un signal radio numérique |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6606418B2 (en) * | 2001-01-16 | 2003-08-12 | International Business Machines Corporation | Enhanced compression of documents |
JP3665598B2 (ja) * | 2001-09-26 | 2005-06-29 | 株式会社東芝 | マルチキャリア通信装置 |
US7295645B1 (en) * | 2002-01-29 | 2007-11-13 | Ellipsis Digital Systems, Inc. | System, method and apparatus to implement low power high performance transceivers with scalable analog to digital conversion resolution and dynamic range |
JP2005538642A (ja) * | 2002-09-10 | 2005-12-15 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Ofdm無線通信システムにおける送信電力の最適化 |
WO2004107622A1 (ja) * | 2003-05-30 | 2004-12-09 | Mitsubishi Denki Kabushiki Kaisha | Ofdm信号受信装置及びofdm信号受信方法 |
US6986096B2 (en) * | 2003-07-29 | 2006-01-10 | Qualcomm, Incorporated | Scaling and quantizing soft-decision metrics for decoding |
KR100510549B1 (ko) * | 2003-09-26 | 2005-08-26 | 삼성전자주식회사 | 코채널 간섭을 검출하고 경감시키는 디지털 비디오 방송수신기의 채널 상태 평가 장치 및 그 방법 |
CN1607733A (zh) * | 2003-10-16 | 2005-04-20 | 华为技术有限公司 | Turbo码译码器中的量化方法 |
JP3910956B2 (ja) * | 2003-12-26 | 2007-04-25 | 株式会社東芝 | Ofdm無線通信システムのための伝搬路推定器及びこれを用いた受信装置 |
US7421041B2 (en) * | 2004-03-01 | 2008-09-02 | Qualcomm, Incorporated | Iterative channel and interference estimation and decoding |
KR100713436B1 (ko) * | 2004-10-28 | 2007-05-07 | 삼성전자주식회사 | 통신 시스템에서 cinr 추정 장치 및 방법 |
US7295144B1 (en) * | 2006-05-22 | 2007-11-13 | Redpine Signals, Inc. | Quantizer responsive to noise level for a wireless communications system |
-
2006
- 2006-05-04 US US11/381,625 patent/US7756222B2/en active Active
-
2007
- 2007-05-04 TW TW096115992A patent/TWI342701B/zh active
- 2007-05-08 CN CN2007100973307A patent/CN101175057B/zh active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103026675A (zh) * | 2010-07-23 | 2013-04-03 | 高通股份有限公司 | 无线接收机中的决策度量的自适应量化 |
WO2014000225A1 (en) * | 2012-06-28 | 2014-01-03 | St-Ericsson Sa | Soft bit un-uniform quantization method, apparatus, computer program and storage medium |
US9438462B2 (en) | 2012-06-28 | 2016-09-06 | Telefonaktiebolaget Lm Ericsson (Publ) | Soft bit un-uniform quantization method, apparatus, computer program and storage medium |
CN107733569A (zh) * | 2017-09-27 | 2018-02-23 | 中国电子科技集团公司第五十四研究所 | 一种星上载荷多波束采样数据压缩方法 |
CN107733569B (zh) * | 2017-09-27 | 2020-07-07 | 中国电子科技集团公司第五十四研究所 | 一种星上载荷多波束采样数据压缩方法 |
Also Published As
Publication number | Publication date |
---|---|
US7756222B2 (en) | 2010-07-13 |
CN101175057B (zh) | 2011-11-02 |
TWI342701B (en) | 2011-05-21 |
TW200746742A (en) | 2007-12-16 |
US20070258531A1 (en) | 2007-11-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101175057B (zh) | 用于正交多频分工接收器的自适应量化方法及装置 | |
US10887150B2 (en) | Method and apparatus for data transmission in a multiuser downlink cellular system | |
CN1652493B (zh) | 用于控制自适应调制和编码的设备和方法 | |
US7711386B2 (en) | Apparatus and method for selective power control for an OFDM mobile communication system | |
EP1585246B1 (en) | Apparatus and method for broadband wireless communication | |
Goldfeld et al. | Minimum BER power loading for OFDM in fading channel | |
US7423991B2 (en) | Apparatus and method for allocating subchannels adaptively according to frequency reuse rates in an orthogonal frequency division multiple access system | |
AU2004314005B2 (en) | Apparatus and method for estimating interference and noise in a communication system | |
US20170070327A1 (en) | Method and apparatus for generating pilot tone in orthogonal frequency division multiplexing access system, and method and apparatus for estimating channel using it | |
US20050281226A1 (en) | Apparatus and method for feedback of channel quality information in communication systems using an OFDM scheme | |
US20060223476A1 (en) | Antenna selection diversity apparatus and method in a broadband wireless communication system | |
US20070110100A1 (en) | Method for sending channel quality information in a multi-carrier radio communication system, corresponding user terminal and base station | |
US20100061258A1 (en) | Method and apparatus for determining reporting period of channel quality information in multi-carrier wireless system | |
US20070172000A1 (en) | Modulation method and demodulation method achieving high-quality modulation-and-demodulation performance, and modulation apparatus, demodulation apparatus receiving apparatus using the same | |
Ajose et al. | Bit error rate analysis of different digital modulation schemes in orthogonal frequency division multiplexing systems | |
US20110038346A1 (en) | Wireless communication system, wireless communication device, and wireless communication method | |
US8548081B2 (en) | Methods and apparatus for diversity combining of repeated signals in OFDMA systems | |
EP2154856A1 (en) | Systems and methods for communicating using ASK or QAM with constellation points having different distances | |
Al-Janabi et al. | Bit and power allocation strategy for AMC-based MIMO-OFDMA WiMAX systems | |
JP4020253B2 (ja) | 伝送モード選択方法および無線通信装置 | |
KR100637710B1 (ko) | 최대전력 대 평균전력비 및/또는 연산량 감소를 위한선택사상기법의 직교 주파수 분할 다중 반송파 통신 방법 | |
Muoghalu et al. | MIMO-OFDM techniques for wireless communication system: performance evaluation review | |
Bairwa et al. | BER Performance of OFDM System over AWGN channel with Different Modulation Schemes | |
Nam et al. | Spectral efficiency enhancement in multi-channel systems using redundant transmission and diversity reception | |
Singh et al. | Ber Performance of Various OFDM Modulation Techniques |
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 | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20151014 Address after: Arizona, USA Patentee after: MICROCHIP TECHNOLOGY Inc. Address before: Cayman Islands Patentee before: British Cayman Islands Business Miley electronic Limited by Share Ltd. Effective date of registration: 20151014 Address after: Cayman Islands Patentee after: British Cayman Islands Business Miley electronic Limited by Share Ltd. Address before: Taiwan, Hsinchu, China Science Park, industrial road, No. 2-1, 3 floor Patentee before: INTEGRATED SYSTEM SOLUTION CORPORATION |