CN1713627A - 无线通信系统接收器 - Google Patents
无线通信系统接收器 Download PDFInfo
- Publication number
- CN1713627A CN1713627A CN200510076444.4A CN200510076444A CN1713627A CN 1713627 A CN1713627 A CN 1713627A CN 200510076444 A CN200510076444 A CN 200510076444A CN 1713627 A CN1713627 A CN 1713627A
- Authority
- CN
- China
- Prior art keywords
- received signal
- frequency
- receiver
- phase
- shift keying
- 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
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Classifications
-
- 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
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
- H04L27/2335—Demodulator circuits; Receiver circuits using non-coherent demodulation using temporal properties of the received signal
- H04L27/2337—Demodulator circuits; Receiver circuits using non-coherent demodulation using temporal properties of the received signal using digital techniques to measure the time between zero-crossings
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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)
Abstract
Description
Claims (14)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004028806A DE102004028806B3 (de) | 2004-06-15 | 2004-06-15 | Empfänger für ein drahtloses Kommunikationssystem |
DE102004028806.2 | 2004-06-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1713627A true CN1713627A (zh) | 2005-12-28 |
CN1713627B CN1713627B (zh) | 2011-05-25 |
Family
ID=35455224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200510076444.4A Expired - Fee Related CN1713627B (zh) | 2004-06-15 | 2005-06-15 | 无线通信系统接收器 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7746958B2 (zh) |
CN (1) | CN1713627B (zh) |
DE (1) | DE102004028806B3 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102469051A (zh) * | 2010-11-16 | 2012-05-23 | 索尼公司 | 信号接收装置、信号接收方法以及电子装置 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SG130060A1 (en) * | 2005-08-23 | 2007-03-20 | Oki Techno Ct Singapore Pte | Improvements in and relating to intermediate frequency receivers |
US7688918B2 (en) * | 2006-07-07 | 2010-03-30 | Alcatel-Lucent Usa Inc. | Recursive phase estimation for a phase-shift-keying receiver |
CN113726706B (zh) * | 2021-08-27 | 2024-03-22 | 中电科星河北斗技术(西安)有限公司 | 一种提高d8psk信号解调精度的方法、装置及存储介质 |
Family Cites Families (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2240240A (en) * | 1990-01-19 | 1991-07-24 | Philips Electronic Associated | Radio receiver for direct sequence spread spectrum signals |
US5168526A (en) * | 1990-10-29 | 1992-12-01 | Akg Acoustics, Inc. | Distortion-cancellation circuit for audio peak limiting |
US5422909A (en) * | 1993-11-30 | 1995-06-06 | Motorola, Inc. | Method and apparatus for multi-phase component downconversion |
US5610942A (en) * | 1995-03-07 | 1997-03-11 | Chen; Keping | Digital signal transcoder and method of transcoding a digital signal |
JP3598609B2 (ja) * | 1995-09-20 | 2004-12-08 | 双葉電子工業株式会社 | スペクトル拡散通信システムにおける受信装置 |
KR0170690B1 (ko) * | 1995-09-23 | 1999-03-20 | 김광호 | 반송파 및 심볼타이밍 복원완료 검출회로와 그 방법 및 이를 채용한 고해상도 텔레비젼 |
US5825807A (en) * | 1995-11-06 | 1998-10-20 | Kumar; Derek D. | System and method for multiplexing a spread spectrum communication system |
JP3658859B2 (ja) * | 1996-05-27 | 2005-06-08 | ソニー株式会社 | 通信方法及び通信装置 |
JPH1051418A (ja) * | 1996-08-06 | 1998-02-20 | Mitsubishi Electric Corp | ディジタル受信装置 |
US7035661B1 (en) * | 1996-10-11 | 2006-04-25 | Arraycomm, Llc. | Power control with signal quality estimation for smart antenna communication systems |
US6463295B1 (en) * | 1996-10-11 | 2002-10-08 | Arraycomm, Inc. | Power control with signal quality estimation for smart antenna communication systems |
JP3687229B2 (ja) * | 1996-11-08 | 2005-08-24 | ソニー株式会社 | 通信方法、基地局及び端末装置 |
US6546055B1 (en) * | 1998-01-12 | 2003-04-08 | The Board Of Trustees Of The Leland Stanford Junior University | Carrier offset determination for RF signals having a cyclic prefix |
US7079584B2 (en) * | 1998-08-10 | 2006-07-18 | Kamilo Feher | OFDM, CDMA, spread spectrum, TDMA, cross-correlated and filtered modulation |
US6470055B1 (en) * | 1998-08-10 | 2002-10-22 | Kamilo Feher | Spectrally efficient FQPSK, FGMSK, and FQAM for enhanced performance CDMA, TDMA, GSM, OFDN, and other systems |
EP1021019A1 (en) * | 1999-01-15 | 2000-07-19 | Sony International (Europe) GmbH | Quasi-differential modulation/demodulation method for multi-amplitude digital modulated signals and OFDM system |
US6654340B1 (en) * | 1999-03-31 | 2003-11-25 | Cisco Technology, Inc. | Differential OFDM using multiple receiver antennas |
US6922555B1 (en) * | 1999-09-02 | 2005-07-26 | Koninklijke Philips Electronics N.V. | Phase interpolation receiver for angle modulated RF signals |
US6690949B1 (en) * | 1999-09-30 | 2004-02-10 | Skyworks Solutions, Inc. | System and process for supporting multiple wireless standards with a single circuit architecture |
US6525857B1 (en) * | 2000-03-07 | 2003-02-25 | Opvista, Inc. | Method and apparatus for interleaved optical single sideband modulation |
TW520579B (en) * | 2000-11-13 | 2003-02-11 | Syncomm Technology Corp | Symbol timing recovering circuit of phase demodulation and its method |
DE10103479A1 (de) * | 2001-01-26 | 2002-08-08 | Infineon Technologies Ag | Signalempfangs- und -verarbeitungsverfahren für schnurlose Kommunikationssysteme |
US6952182B2 (en) * | 2001-08-17 | 2005-10-04 | The Rosom Corporation | Position location using integrated services digital broadcasting—terrestrial (ISDB-T) broadcast television signals |
US6985531B2 (en) * | 2001-07-13 | 2006-01-10 | Cyntrust Communications, Inc. | Dual domain differential encoder/decoder |
TW561686B (en) * | 2001-07-17 | 2003-11-11 | Syncomm Technology Corp | Phase demodulator, symbol clock recovering circuit and its method |
US6831907B2 (en) * | 2001-08-31 | 2004-12-14 | Ericsson Inc. | Digital format U.S. commercial FM broadcast system |
US20030067997A1 (en) * | 2001-10-04 | 2003-04-10 | Mark Kintis | Intermediate frequency signal amplitude equalizer for multichannel applications |
GB2384124B (en) * | 2002-01-10 | 2004-03-31 | Motorola Inc | Arrangement and method for radio receiver |
US20040037366A1 (en) * | 2002-08-23 | 2004-02-26 | Magis Networks, Inc. | Apparatus and method for multicarrier modulation and demodulation |
JP4043335B2 (ja) * | 2002-10-08 | 2008-02-06 | 株式会社日立国際電気 | 受信装置 |
CN1176351C (zh) * | 2002-10-09 | 2004-11-17 | 天津大学 | 动态多分辨率的三维数字成像的方法及装置 |
US7453792B2 (en) * | 2002-11-14 | 2008-11-18 | Edgewater Computer Systems, Inc. | Receiver architecture for pilot based OFDM systems |
JP2004343164A (ja) * | 2003-05-13 | 2004-12-02 | Renesas Technology Corp | 通信用半導体集積回路および無線通信システム |
US7139536B2 (en) * | 2003-12-02 | 2006-11-21 | Mediatek Inc. | Method and apparatus for I/Q imbalance calibration of a transmitter system |
US20050185743A1 (en) * | 2004-01-14 | 2005-08-25 | Oki Techno Centre (Singapore) Pte Ltd | Apparatus for burst and timing synchronization in high-rate indoor wireless communication |
US7196649B2 (en) * | 2004-02-03 | 2007-03-27 | Hrl Laboratories, Llc | Reprogrammable distributed reference ladder for analog-to-digital converters |
US7362998B2 (en) * | 2004-04-09 | 2008-04-22 | Infineon Technologies Ag | Mobile military satellite receiver architecture for accommodating wide carrier offset and method of performing coarse carrier offset adjustment |
SG124285A1 (en) * | 2004-04-28 | 2006-08-30 | Oki Techno Ct Singapore Pte | Methods for processing a received signal in a software defined radio (sdr) system, a transceiver foran sdr system and a receiver and sdr system |
US7362694B2 (en) * | 2004-05-14 | 2008-04-22 | Broadcom Corporation | Programmable identity of I and Q channels |
US20050259768A1 (en) * | 2004-05-21 | 2005-11-24 | Oki Techno Centre (Singapore) Pte Ltd | Digital receiver and method for processing received signals |
US20060014506A1 (en) * | 2004-07-19 | 2006-01-19 | Haartsen Jacobus C | Dynamic carrier selection and link adaptation in fading environments |
US8275611B2 (en) * | 2007-01-18 | 2012-09-25 | Stmicroelectronics Asia Pacific Pte., Ltd. | Adaptive noise suppression for digital speech signals |
-
2004
- 2004-06-15 DE DE102004028806A patent/DE102004028806B3/de not_active Expired - Fee Related
-
2005
- 2005-06-14 US US11/152,319 patent/US7746958B2/en not_active Expired - Fee Related
- 2005-06-15 CN CN200510076444.4A patent/CN1713627B/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102469051A (zh) * | 2010-11-16 | 2012-05-23 | 索尼公司 | 信号接收装置、信号接收方法以及电子装置 |
Also Published As
Publication number | Publication date |
---|---|
US20060002490A1 (en) | 2006-01-05 |
US7746958B2 (en) | 2010-06-29 |
CN1713627B (zh) | 2011-05-25 |
DE102004028806B3 (de) | 2005-12-29 |
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C06 | Publication | ||
PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: INTEL MOBILE COMMUNICATIONS TECHNOLOGY LTD. Free format text: FORMER OWNER: INFENNIAN TECHNOLOGIES AG Effective date: 20120517 Owner name: INTEL MOBILE COMMUNICATIONS LTD. Free format text: FORMER OWNER: INTEL MOBILE COMMUNICATIONS TECHNOLOGY LTD. Effective date: 20120517 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20120517 Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications GmbH Address before: Munich, Germany Patentee before: INFINEON TECHNOLOGIES AG Effective date of registration: 20120517 Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications GmbH Address before: Neubiberg, Germany Patentee before: Intel Mobile Communications GmbH |
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C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Neubiberg, Germany Patentee after: Intel Mobile Communications GmbH Address before: Neubiberg, Germany Patentee before: Intel Mobile Communications GmbH |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20160615 |
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CF01 | Termination of patent right due to non-payment of annual fee |