CN102546518B - 一种用于hsdpa业务中的64qam解调方法及装置 - Google Patents
一种用于hsdpa业务中的64qam解调方法及装置 Download PDFInfo
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- CN102546518B CN102546518B CN201010598192.2A CN201010598192A CN102546518B CN 102546518 B CN102546518 B CN 102546518B CN 201010598192 A CN201010598192 A CN 201010598192A CN 102546518 B CN102546518 B CN 102546518B
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- 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
- H04L27/38—Demodulator circuits; Receiver circuits
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- 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
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN201010598192.2A CN102546518B (zh) | 2010-12-21 | 2010-12-21 | 一种用于hsdpa业务中的64qam解调方法及装置 |
PCT/CN2011/073282 WO2012083625A1 (zh) | 2010-12-21 | 2011-04-25 | 一种用于hsdpa业务中的64qam解调方法及装置 |
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CN201010598192.2A CN102546518B (zh) | 2010-12-21 | 2010-12-21 | 一种用于hsdpa业务中的64qam解调方法及装置 |
Publications (2)
Publication Number | Publication Date |
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CN102546518A CN102546518A (zh) | 2012-07-04 |
CN102546518B true CN102546518B (zh) | 2014-12-17 |
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CN201010598192.2A Active CN102546518B (zh) | 2010-12-21 | 2010-12-21 | 一种用于hsdpa业务中的64qam解调方法及装置 |
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CN (1) | CN102546518B (zh) |
WO (1) | WO2012083625A1 (zh) |
Families Citing this family (1)
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CN103905370B (zh) * | 2012-12-27 | 2017-05-24 | 展讯通信(上海)有限公司 | 正交振幅调制信号的软解调方法和装置、移动终端 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1921472A (zh) * | 2005-08-24 | 2007-02-28 | 展讯通信(上海)有限公司 | 一种适用于hsdpa业务的16qam解调方法 |
Family Cites Families (4)
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KR100548345B1 (ko) * | 2003-05-13 | 2006-02-02 | 엘지전자 주식회사 | 소프트 결정 방식을 이용한 복조 방법 |
CN100558096C (zh) * | 2007-07-25 | 2009-11-04 | 北京天碁科技有限公司 | 一种应用于通信系统的正交幅度调制解调方法和装置 |
US8532202B2 (en) * | 2008-12-12 | 2013-09-10 | Qualcomm Incorporated | Near soft-output maximum likelihood detection for multiple-input multiple-output systems using reduced list detection |
CN101854329B (zh) * | 2010-02-01 | 2012-11-14 | 新邮通信设备有限公司 | 一种快速解调方法 |
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2010
- 2010-12-21 CN CN201010598192.2A patent/CN102546518B/zh active Active
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- 2011-04-25 WO PCT/CN2011/073282 patent/WO2012083625A1/zh active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1921472A (zh) * | 2005-08-24 | 2007-02-28 | 展讯通信(上海)有限公司 | 一种适用于hsdpa业务的16qam解调方法 |
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Publication number | Publication date |
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CN102546518A (zh) | 2012-07-04 |
WO2012083625A1 (zh) | 2012-06-28 |
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Effective date of registration: 20151106 Address after: Dameisha Yantian District of Shenzhen City, Guangdong province 518085 Building No. 1 Patentee after: SHENZHEN ZTE MICROELECTRONICS TECHNOLOGY CO., LTD. Address before: 518057 Nanshan District Guangdong high tech Industrial Park, South Road, science and technology, ZTE building, Ministry of Justice Patentee before: ZTE Corporation |
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Application publication date: 20120704 Assignee: Xi'an Chris Semiconductor Technology Co. Ltd. Assignor: SHENZHEN ZTE MICROELECTRONICS TECHNOLOGY CO., LTD. Contract record no.: 2019440020036 Denomination of invention: Method and device used for demodulating 64 quadrature amplitude modulation (QAM) and used in high speed downlink packet access (HSDPA) business Granted publication date: 20141217 License type: Common License Record date: 20190619 |