CN100550669C - 直接序列扩频通信设备及其方法 - Google Patents
直接序列扩频通信设备及其方法 Download PDFInfo
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- CN100550669C CN100550669C CNB2004800306581A CN200480030658A CN100550669C CN 100550669 C CN100550669 C CN 100550669C CN B2004800306581 A CNB2004800306581 A CN B2004800306581A CN 200480030658 A CN200480030658 A CN 200480030658A CN 100550669 C CN100550669 C CN 100550669C
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Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/709—Correlator structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70707—Efficiency-related aspects
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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)
- Circuits Of Receivers In General (AREA)
- Superheterodyne Receivers (AREA)
Abstract
Description
Claims (22)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/715,222 | 2003-11-17 | ||
US10/715,222 US7295638B2 (en) | 2003-11-17 | 2003-11-17 | Communication device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1871785A CN1871785A (zh) | 2006-11-29 |
CN100550669C true CN100550669C (zh) | 2009-10-14 |
Family
ID=34574167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004800306581A Active CN100550669C (zh) | 2003-11-17 | 2004-11-03 | 直接序列扩频通信设备及其方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7295638B2 (zh) |
CN (1) | CN100550669C (zh) |
WO (1) | WO2005050890A2 (zh) |
Families Citing this family (34)
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ATE413020T1 (de) * | 2003-12-17 | 2008-11-15 | Mitsubishi Electric Corp | Demodulationsverfahren von mit einem on-off- keying modulationsverfahren kodierter ultrabreitbandpulssequenzen |
EP1545019A1 (en) * | 2003-12-19 | 2005-06-22 | Telefonaktiebolaget LM Ericsson (publ) | GPS receiver using differential correlation |
US7586097B2 (en) | 2006-01-05 | 2009-09-08 | Virgin Islands Microsystems, Inc. | Switching micro-resonant structures using at least one director |
US7791290B2 (en) | 2005-09-30 | 2010-09-07 | Virgin Islands Microsystems, Inc. | Ultra-small resonating charged particle beam modulator |
US7626179B2 (en) | 2005-09-30 | 2009-12-01 | Virgin Island Microsystems, Inc. | Electron beam induced resonance |
US7822097B2 (en) * | 2004-08-20 | 2010-10-26 | Imec | Devices and methods for ultra-wideband communications |
US9787471B1 (en) * | 2005-06-02 | 2017-10-10 | Robert T. Jenkins and Virginia T. Jenkins | Data enciphering or deciphering using a hierarchical assignment system |
US20070053466A1 (en) * | 2005-09-08 | 2007-03-08 | Klostermann Daniel J | Frequency shift keying demodulation technique |
DE102005060470A1 (de) * | 2005-12-17 | 2007-06-21 | Atmel Germany Gmbh | PLL-Frequenzgenerator |
US20070200646A1 (en) * | 2006-02-28 | 2007-08-30 | Virgin Island Microsystems, Inc. | Method for coupling out of a magnetic device |
US7876793B2 (en) | 2006-04-26 | 2011-01-25 | Virgin Islands Microsystems, Inc. | Micro free electron laser (FEL) |
US7986113B2 (en) | 2006-05-05 | 2011-07-26 | Virgin Islands Microsystems, Inc. | Selectable frequency light emitter |
US7728702B2 (en) | 2006-05-05 | 2010-06-01 | Virgin Islands Microsystems, Inc. | Shielding of integrated circuit package with high-permeability magnetic material |
US20070258720A1 (en) * | 2006-05-05 | 2007-11-08 | Virgin Islands Microsystems, Inc. | Inter-chip optical communication |
US7732786B2 (en) | 2006-05-05 | 2010-06-08 | Virgin Islands Microsystems, Inc. | Coupling energy in a plasmon wave to an electron beam |
US7728397B2 (en) * | 2006-05-05 | 2010-06-01 | Virgin Islands Microsystems, Inc. | Coupled nano-resonating energy emitting structures |
US8188431B2 (en) | 2006-05-05 | 2012-05-29 | Jonathan Gorrell | Integration of vacuum microelectronic device with integrated circuit |
US20080084919A1 (en) * | 2006-10-05 | 2008-04-10 | Zerog Wireless, Inc. | Multiprotocol wireless communication apparatus and methods |
US7990336B2 (en) | 2007-06-19 | 2011-08-02 | Virgin Islands Microsystems, Inc. | Microwave coupled excitation of solid state resonant arrays |
TWI368397B (en) * | 2008-05-12 | 2012-07-11 | Univ Nat Chiao Tung | Crystal-less communications device and self-calibrated clock generation method |
US7728681B2 (en) * | 2008-05-16 | 2010-06-01 | Infineon Technologies Ag | Temperature and process independent voltage controlled oscillator circuit |
KR101004101B1 (ko) * | 2009-04-16 | 2010-12-27 | 중앙대학교 산학협력단 | Ieee 802.15.4 lr-wpan bpsk 수신기를 위한 비동기 검파 장치 및 방법 |
KR101119276B1 (ko) * | 2010-01-05 | 2012-03-20 | 삼성전기주식회사 | 이벤트 신호 제어를 통한 저전력 근거리 통신 장치 및 방법 |
US8331417B2 (en) | 2010-04-20 | 2012-12-11 | Los Alamos National Security, Llc | Energy efficiency in wireless communication systems |
WO2013072715A1 (en) * | 2011-11-16 | 2013-05-23 | Freescale Semiconductor, Inc. | Direct sequence spread spectrum signal receiving device and method |
US9681389B2 (en) * | 2013-02-15 | 2017-06-13 | The Regents Of The University Of Michigan | Integrated ultra wideband transceiver |
CN103905084B (zh) * | 2014-04-22 | 2016-04-13 | 中国水产科学研究院渔业工程研究所 | 超短波扩频通信系统 |
US9853787B2 (en) | 2015-06-24 | 2017-12-26 | Nxp Usa, Inc. | Carrier frequency offset estimation for wireless communication |
US9673847B1 (en) * | 2015-11-25 | 2017-06-06 | Analog Devices, Inc. | Apparatus and methods for transceiver calibration |
US10129014B2 (en) * | 2017-01-25 | 2018-11-13 | Samsung Electronics Co., Ltd. | System and method of performing initial timing synchronization of receivers of modulated signals |
CN110581750B (zh) * | 2019-11-11 | 2020-03-27 | 上海磐启微电子有限公司 | 一种调制器、解调器以及无线通信系统 |
US20220116070A1 (en) * | 2020-03-06 | 2022-04-14 | Battelle Energy Alliance, Llc | Spread spectrum communication, and associated devices, systems, and methods |
CN112949846B (zh) * | 2021-03-26 | 2022-06-24 | 电子科技大学 | 一种适用于直扩系统下的生成式欺骗干扰信号构造方法 |
CN113138369B (zh) * | 2021-03-29 | 2023-08-15 | 核工业西南物理研究院 | 一种基于扩频调制的微波探测器 |
Family Cites Families (15)
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US4479255A (en) * | 1978-05-12 | 1984-10-23 | Electronique Marcel Dassault | Apparatus for acquiring and collecting radio signals coming from a plurality of stations |
US4661790A (en) * | 1983-12-19 | 1987-04-28 | Motorola, Inc. | Radio frequency filter having a temperature compensated ceramic resonator |
JPH0897748A (ja) * | 1994-09-22 | 1996-04-12 | Toyota Central Res & Dev Lab Inc | スペクトラム拡散通信用受信機 |
JP3307217B2 (ja) * | 1996-03-01 | 2002-07-24 | 株式会社豊田自動織機 | スペクトラム拡散通信方式における受信装置 |
KR0176909B1 (ko) * | 1996-05-08 | 1999-10-01 | 구자홍 | 선형 압축기 구동장치 |
US6192068B1 (en) * | 1996-10-03 | 2001-02-20 | Wi-Lan Inc. | Multicode spread spectrum communications system |
US6282232B1 (en) * | 1997-04-09 | 2001-08-28 | Spacenet, Inc. | Methods and apparatus for burst-mode CDMA DSSS communications receiving systems |
US5999561A (en) * | 1997-05-20 | 1999-12-07 | Sanconix, Inc. | Direct sequence spread spectrum method, computer-based product, apparatus and system tolerant to frequency reference offset |
US6625200B1 (en) * | 1999-01-25 | 2003-09-23 | Ericsson Inc. | Multi-stage CDMA synchronization with parallel execution |
US6377782B1 (en) * | 1999-03-01 | 2002-04-23 | Mediacell, Inc. | Method and apparatus for communicating between a client device and a linear broadband network |
EP1036777B1 (en) * | 1999-03-16 | 2003-06-04 | TDK Corporation | Composition of dielectric ceramics and producing method therefor |
US6535545B1 (en) * | 1999-10-15 | 2003-03-18 | Rf Waves Ltd. | RF modem utilizing saw resonator and correlator and communications transceiver constructed therefrom |
US6876692B2 (en) * | 2001-03-09 | 2005-04-05 | Motorola, Inc. | System for code division multi-access communication |
US7173992B2 (en) * | 2001-12-11 | 2007-02-06 | Sasken Communication Technologies Limited | Method for synchronization in wireless systems using receive diversity |
US6563857B1 (en) * | 2001-12-21 | 2003-05-13 | Motorola, Inc. | Low cost DSSS communication system |
-
2003
- 2003-11-17 US US10/715,222 patent/US7295638B2/en active Active
-
2004
- 2004-11-03 CN CNB2004800306581A patent/CN100550669C/zh active Active
- 2004-11-03 WO PCT/US2004/036593 patent/WO2005050890A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2005050890B1 (en) | 2005-12-22 |
US7295638B2 (en) | 2007-11-13 |
CN1871785A (zh) | 2006-11-29 |
US20050105595A1 (en) | 2005-05-19 |
WO2005050890A2 (en) | 2005-06-02 |
WO2005050890A3 (en) | 2005-09-15 |
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Effective date of registration: 20160309 Address after: California, USA Patentee after: Google Technology Holdings LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY LLC |