DE60027183D1 - Vereinfachter digitaler fir filter für direkt-sequenzspreizspektrumübertragungssysteme - Google Patents

Vereinfachter digitaler fir filter für direkt-sequenzspreizspektrumübertragungssysteme

Info

Publication number
DE60027183D1
DE60027183D1 DE60027183T DE60027183T DE60027183D1 DE 60027183 D1 DE60027183 D1 DE 60027183D1 DE 60027183 T DE60027183 T DE 60027183T DE 60027183 T DE60027183 T DE 60027183T DE 60027183 D1 DE60027183 D1 DE 60027183D1
Authority
DE
Germany
Prior art keywords
spread spectrum
fir filter
transmission systems
direct sequence
sequence spread
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.)
Expired - Lifetime
Application number
DE60027183T
Other languages
English (en)
Inventor
W Dent
David Barrow
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ericsson Inc
Original Assignee
Ericsson 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 Ericsson Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of DE60027183D1 publication Critical patent/DE60027183D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H03H17/0607—Non-recursive filters comprising a ROM addressed by the input data signals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
DE60027183T 1999-10-04 2000-09-22 Vereinfachter digitaler fir filter für direkt-sequenzspreizspektrumübertragungssysteme Expired - Lifetime DE60027183D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/411,309 US6570907B1 (en) 1999-10-04 1999-10-04 Simplified finite impulse response (FIR) digital filter for direct sequencespread spectrum communication
PCT/US2000/025970 WO2001026224A1 (en) 1999-10-04 2000-09-22 A simplified digital fir filter for direct sequence spread spectrum communication systems

Publications (1)

Publication Number Publication Date
DE60027183D1 true DE60027183D1 (de) 2006-05-18

Family

ID=23628421

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60027183T Expired - Lifetime DE60027183D1 (de) 1999-10-04 2000-09-22 Vereinfachter digitaler fir filter für direkt-sequenzspreizspektrumübertragungssysteme

Country Status (8)

Country Link
US (1) US6570907B1 (de)
EP (1) EP1221198B1 (de)
JP (1) JP2003513488A (de)
CN (1) CN1211926C (de)
AT (1) ATE322762T1 (de)
AU (1) AU7708400A (de)
DE (1) DE60027183D1 (de)
WO (1) WO2001026224A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7245651B1 (en) * 1999-12-20 2007-07-17 Intel Corporation Dual mode filter for mobile telecommunications
DE60010512T2 (de) * 2000-12-20 2004-09-23 Motorola, Inc., Schaumburg Quadraturmodulator mit programmierbarer Pulsformung
US7986932B1 (en) * 2002-11-19 2011-07-26 National Semiconductor Corporation Fixed point FIR filter with adaptive truncation and clipping and wireless mobile station using same
WO2004098054A1 (en) * 2003-04-29 2004-11-11 Philips Intellectual Property & Standards Gmbh Digital filter configuration
US8165214B2 (en) * 2007-05-08 2012-04-24 Freescale Semiconductor, Inc. Circuit and method for generating fixed point vector dot product and matrix vector values
CN101242168B (zh) * 2008-03-06 2010-06-02 清华大学 一种fir数字滤波器直接型实现方法及实现装置
TW201026009A (en) * 2008-12-30 2010-07-01 Ind Tech Res Inst An electrical apparatus, circuit for receiving audio and method for filtering noise
CN102082559B (zh) * 2010-12-02 2013-08-21 广东宝莱特医用科技股份有限公司 线性相位iir滤波器的一种实现方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4825448A (en) 1986-08-07 1989-04-25 International Mobile Machines Corporation Subscriber unit for wireless digital telephone system
US5530722A (en) 1992-10-27 1996-06-25 Ericsson Ge Mobile Communications Inc. Quadrature modulator with integrated distributed RC filters
US5500811A (en) 1995-01-23 1996-03-19 Microunity Systems Engineering, Inc. Finite impulse response filter
US5870431A (en) 1996-06-27 1999-02-09 Qualcomm Incorporated ROM-based finite impulse response filter for use in mobile telephone
US5838725A (en) 1996-12-06 1998-11-17 U.S. Philips Corporation Floating point digital transversal filter
US6456644B1 (en) * 1997-06-23 2002-09-24 Cellnet Data Systems, Inc. Bandpass correlation of a spread spectrum signal

Also Published As

Publication number Publication date
EP1221198B1 (de) 2006-04-05
EP1221198A1 (de) 2002-07-10
WO2001026224A9 (en) 2003-01-23
US6570907B1 (en) 2003-05-27
AU7708400A (en) 2001-05-10
CN1211926C (zh) 2005-07-20
JP2003513488A (ja) 2003-04-08
WO2001026224A1 (en) 2001-04-12
CN1408143A (zh) 2003-04-02
ATE322762T1 (de) 2006-04-15

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