WO2003049316A1 - Filtre numerique a reponse impulsionnelle limitee - Google Patents

Filtre numerique a reponse impulsionnelle limitee Download PDF

Info

Publication number
WO2003049316A1
WO2003049316A1 PCT/CN2001/001607 CN0101607W WO03049316A1 WO 2003049316 A1 WO2003049316 A1 WO 2003049316A1 CN 0101607 W CN0101607 W CN 0101607W WO 03049316 A1 WO03049316 A1 WO 03049316A1
Authority
WO
WIPO (PCT)
Prior art keywords
impulse response
mobile communication
digital filter
limited impulse
response digital
Prior art date
Application number
PCT/CN2001/001607
Other languages
English (en)
French (fr)
Inventor
Yongzhong Zou
Weijiun Sun
Yongsheng Zhang
Original Assignee
Linkair Communications,Inc.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Linkair Communications,Inc. filed Critical Linkair Communications,Inc.
Priority to PCT/CN2001/001607 priority Critical patent/WO2003049316A1/zh
Priority to AU2002221517A priority patent/AU2002221517A1/en
Priority to CNA018228623A priority patent/CN1524354A/zh
Publication of WO2003049316A1 publication Critical patent/WO2003049316A1/zh

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/06—Non-recursive filters

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
PCT/CN2001/001607 2001-12-06 2001-12-06 Filtre numerique a reponse impulsionnelle limitee WO2003049316A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/CN2001/001607 WO2003049316A1 (fr) 2001-12-06 2001-12-06 Filtre numerique a reponse impulsionnelle limitee
AU2002221517A AU2002221517A1 (en) 2001-12-06 2001-12-06 A limited impulse response digital filter
CNA018228623A CN1524354A (zh) 2001-12-06 2001-12-06 一种有限冲激响应数字滤波器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2001/001607 WO2003049316A1 (fr) 2001-12-06 2001-12-06 Filtre numerique a reponse impulsionnelle limitee

Publications (1)

Publication Number Publication Date
WO2003049316A1 true WO2003049316A1 (fr) 2003-06-12

Family

ID=4574902

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2001/001607 WO2003049316A1 (fr) 2001-12-06 2001-12-06 Filtre numerique a reponse impulsionnelle limitee

Country Status (3)

Country Link
CN (1) CN1524354A (zh)
AU (1) AU2002221517A1 (zh)
WO (1) WO2003049316A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105915241B (zh) * 2016-04-13 2018-04-06 信阳师范学院 Fpga中实现超高速数字正交下变频及抽取滤波的方法与系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0284175A2 (en) * 1987-03-23 1988-09-28 Matsushita Electric Industrial Co., Ltd. Calculation of filter factors for digital filter
WO1996026573A1 (de) * 1995-02-18 1996-08-29 Robert Bosch Gmbh Vorrichtung zur entzerrung einer fehlerstrecke in einem übertragungssystem
EP0782259A2 (en) * 1995-12-26 1997-07-02 Hughes Missile Systems Company Digital center line filter
JP2000269785A (ja) * 1999-03-17 2000-09-29 Hitachi Ltd ディジタルフィルタ、復調回路、およびそれを用いた無線端末装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0284175A2 (en) * 1987-03-23 1988-09-28 Matsushita Electric Industrial Co., Ltd. Calculation of filter factors for digital filter
WO1996026573A1 (de) * 1995-02-18 1996-08-29 Robert Bosch Gmbh Vorrichtung zur entzerrung einer fehlerstrecke in einem übertragungssystem
EP0782259A2 (en) * 1995-12-26 1997-07-02 Hughes Missile Systems Company Digital center line filter
JP2000269785A (ja) * 1999-03-17 2000-09-29 Hitachi Ltd ディジタルフィルタ、復調回路、およびそれを用いた無線端末装置

Also Published As

Publication number Publication date
CN1524354A (zh) 2004-08-25
AU2002221517A1 (en) 2003-06-17

Similar Documents

Publication Publication Date Title
CA2154180C (en) Multiple-modulation communication system
CN101578796B (zh) 移动通信系统中的数据传输方法和设备
CN100490367C (zh) 基站设备和终端设备
EP1259007A3 (en) Apparatus for modulating and demodulating multiple channel FSK in power line communication system
AU2008349581A1 (en) Timeslot sharing using unbalanced QPSK modulation
EP1022874A2 (en) Apparatus and method for digital wireless communications
CN101167261A (zh) 用于利用等幅均衡的波形传输数据的系统和方法
US7599446B2 (en) Modulation and demodulation based on hierarchical modulation
US20070265036A1 (en) Radio communication apparatus and method
AU756579B2 (en) Method and packet radio system for transmitting modulation and signalling information
EP1145573B1 (en) Communication system with reduced power variation and method therefor
AU755312B2 (en) Data transmission method and radio system
CN100418334C (zh) π/2相移的非正方形M-QAM调制解调方法及其系统
WO2003049316A1 (fr) Filtre numerique a reponse impulsionnelle limitee
AU2008244341A1 (en) Data modulation in a communication system
JP2003078579A5 (zh)
EP1405478B1 (en) Packet data transmission using variable dqpsk modulation
KR100778344B1 (ko) 다중 코드 부호화된 배직교 펄스 위치 변조 방식에 기반한초광대역 임펄스 통신 장치 및 방법
US7912144B2 (en) Integrated modulators and demodulators
US7539257B2 (en) Continuous phase modulation system and method with added phase pulse
WO2002060146A1 (en) Method of implementing modulation and modulator
CA2364409C (en) Digital wireless phone/modem jack capable of communications over the power lines using differential binary phase shift keying (dbpsk)
WO2006055337A9 (en) Systems and methods for designing a high-precision narrowband digital filter for use in a communications system with high spectral efficiency
WO2002019543A3 (de) Verfahren zur verbesserung der sprachqualität in einem mobilfunknetz
KR100237432B1 (ko) π/4 - DQPSK 송신장치 및 방법

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 01822862.3

Country of ref document: CN

AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PH PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase
NENP Non-entry into the national phase

Ref country code: JP

WWW Wipo information: withdrawn in national office

Ref document number: JP