CN1115777C - 移动电话用的基于只读存储器的有限脉冲响应滤波器 - Google Patents

移动电话用的基于只读存储器的有限脉冲响应滤波器 Download PDF

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Publication number
CN1115777C
CN1115777C CN97194884A CN97194884A CN1115777C CN 1115777 C CN1115777 C CN 1115777C CN 97194884 A CN97194884 A CN 97194884A CN 97194884 A CN97194884 A CN 97194884A CN 1115777 C CN1115777 C CN 1115777C
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signal
input
signals
storage unit
zero
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CN97194884A
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Chinese (zh)
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CN1220058A (zh
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肯尼思·D·伊斯顿
彼得·J·布莱克
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Qualcomm Inc
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Qualcomm Inc
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    • 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

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Telephone Function (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN97194884A 1996-06-27 1997-06-23 移动电话用的基于只读存储器的有限脉冲响应滤波器 Expired - Lifetime CN1115777C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/672,205 US5870431A (en) 1996-06-27 1996-06-27 ROM-based finite impulse response filter for use in mobile telephone
US672,205 1996-06-27

Publications (2)

Publication Number Publication Date
CN1220058A CN1220058A (zh) 1999-06-16
CN1115777C true CN1115777C (zh) 2003-07-23

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CN97194884A Expired - Lifetime CN1115777C (zh) 1996-06-27 1997-06-23 移动电话用的基于只读存储器的有限脉冲响应滤波器

Country Status (14)

Country Link
US (1) US5870431A (enExample)
EP (1) EP0908009B1 (enExample)
JP (2) JP2000514259A (enExample)
CN (1) CN1115777C (enExample)
AT (1) ATE474376T1 (enExample)
AU (1) AU717714B2 (enExample)
BR (1) BR9711599A (enExample)
CA (1) CA2254929C (enExample)
DE (1) DE69739935D1 (enExample)
MY (1) MY117766A (enExample)
RU (1) RU2189109C2 (enExample)
TW (1) TW338858B (enExample)
WO (1) WO1997050174A1 (enExample)
ZA (1) ZA975595B (enExample)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6678311B2 (en) 1996-05-28 2004-01-13 Qualcomm Incorporated High data CDMA wireless communication system using variable sized channel codes
TW369648B (en) * 1996-09-02 1999-09-11 Koninkl Philips Electronics Nv Device for write compensation in magnetic media recording
US6628722B1 (en) 1998-06-19 2003-09-30 Lucent Technologies Inc. Decoding technique in discrete multi-tone (DMT) based communications systems
CN1076917C (zh) * 1998-09-11 2001-12-26 华为技术有限公司 码分多址扩频无线通信系统基站的基带成形滤波器
US6570907B1 (en) * 1999-10-04 2003-05-27 Ericsson Inc. Simplified finite impulse response (FIR) digital filter for direct sequencespread spectrum communication
US6731706B1 (en) * 1999-10-29 2004-05-04 Intel Corporation Square root raised cosine symmetric filter for mobile telecommunications
KR100378592B1 (ko) 2000-07-31 2003-03-31 한국전자통신연구원 디지털 이동 통신용 108 탭 1대4 인터폴레이션유한임펄스응답 필터장치
US7068780B1 (en) * 2000-08-30 2006-06-27 Conexant, Inc. Hybrid echo canceller
SE520067C2 (sv) * 2000-09-04 2003-05-20 Hans Haellstroem Anordning och förfarande för att uppskatta parametrar i en signal
US6820103B2 (en) 2000-11-03 2004-11-16 Qualcomm Inc. Digital filter with state storage
DE60010512T2 (de) * 2000-12-20 2004-09-23 Motorola, Inc., Schaumburg Quadraturmodulator mit programmierbarer Pulsformung
KR100425418B1 (ko) * 2001-09-07 2004-03-30 삼성탈레스 주식회사 룩업 테이블을 이용한 블록 보간 필터 구조
US6768684B2 (en) * 2002-01-25 2004-07-27 Sun Microsystems, Inc. System and method for small read only data
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
US20050201457A1 (en) * 2004-03-10 2005-09-15 Allred Daniel J. Distributed arithmetic adaptive filter and method
DE102004042368B4 (de) * 2004-09-01 2009-12-17 Infineon Technologies Ag Digitales Filter zur sendeseitigen Pulsformung
DE102005046245A1 (de) * 2005-09-28 2007-04-05 Atmel Germany Gmbh Vorrichtung zum Überführen eines komplexwertigen Bandpaßsignals in ein digitales Basisbandsignal
US8920343B2 (en) 2006-03-23 2014-12-30 Michael Edward Sabatino Apparatus for acquiring and processing of physiological auditory signals
RU2399152C2 (ru) * 2008-03-12 2010-09-10 Государственное Образовательное Учреждение Высшего Профессионального Образования "Дагестанский Государственный Технический Университет" (Дгту) Универсальный цифровой фильтр с программируемой структурой
RU2410841C1 (ru) * 2009-11-19 2011-01-27 Геннадий Сергеевич Любчиков Способ вхождения в синхронизм псевдошумовых сигналов по задержке и устройство для его реализации
RU2403675C1 (ru) * 2009-11-19 2010-11-10 Геннадий Сергеевич Любчиков Устройство обработки множества псевдошумовых сигналов
RU2631976C2 (ru) * 2016-03-15 2017-09-29 Федеральное государственное бюджетное образовательное учреждение высшего образования Московский авиационный институт (национальный исследовательский университет) (МАИ) Перестраиваемый цифровой фильтр с программируемой структурой
US10812216B2 (en) 2018-11-05 2020-10-20 XCOM Labs, Inc. Cooperative multiple-input multiple-output downlink scheduling
US10659112B1 (en) 2018-11-05 2020-05-19 XCOM Labs, Inc. User equipment assisted multiple-input multiple-output downlink configuration
US10432272B1 (en) 2018-11-05 2019-10-01 XCOM Labs, Inc. Variable multiple-input multiple-output downlink user equipment
US10756860B2 (en) 2018-11-05 2020-08-25 XCOM Labs, Inc. Distributed multiple-input multiple-output downlink configuration
AU2019388921B2 (en) 2018-11-27 2024-05-30 Virewirx, Inc. Non-coherent cooperative multiple-input multiple-output communications
US11063645B2 (en) 2018-12-18 2021-07-13 XCOM Labs, Inc. Methods of wirelessly communicating with a group of devices
US10756795B2 (en) 2018-12-18 2020-08-25 XCOM Labs, Inc. User equipment with cellular link and peer-to-peer link
US11330649B2 (en) 2019-01-25 2022-05-10 XCOM Labs, Inc. Methods and systems of multi-link peer-to-peer communications
US10756767B1 (en) 2019-02-05 2020-08-25 XCOM Labs, Inc. User equipment for wirelessly communicating cellular signal with another user equipment
US10686502B1 (en) 2019-04-29 2020-06-16 XCOM Labs, Inc. Downlink user equipment selection
US10735057B1 (en) 2019-04-29 2020-08-04 XCOM Labs, Inc. Uplink user equipment selection
US11411778B2 (en) 2019-07-12 2022-08-09 XCOM Labs, Inc. Time-division duplex multiple input multiple output calibration
US11411779B2 (en) 2020-03-31 2022-08-09 XCOM Labs, Inc. Reference signal channel estimation
CN115428513A (zh) 2020-04-15 2022-12-02 艾斯康实验室公司 无线网络多点关联性和多路径
WO2022241436A1 (en) 2021-05-14 2022-11-17 XCOM Labs, Inc. Scrambling identifiers for wireless communication systems

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4551816A (en) * 1970-12-28 1985-11-05 Hyatt Gilbert P Filter display system
US4817025A (en) * 1984-02-03 1989-03-28 Sharp Kabushiki Kaisha Digital filter
US4901307A (en) * 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
SU1631706A1 (ru) * 1988-10-25 1991-02-28 Ереванский политехнический институт им.К.Маркса Последовательный цифровой фильтр
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
JPH04270510A (ja) * 1990-12-28 1992-09-25 Advantest Corp ディジタルフィルタ及び送信機
DE69232202T2 (de) * 1991-06-11 2002-07-25 Qualcomm, Inc. Vocoder mit veraendlicher bitrate
US5369606A (en) * 1992-09-14 1994-11-29 Harris Corporation Reduced state fir filter
IL107624A (en) * 1992-11-16 1997-03-18 Arbitron Co Method and apparatus for encoding/decoding broadcast or recorded segments and monitoring audience exposure thereto
US5535150A (en) * 1993-04-20 1996-07-09 Massachusetts Institute Of Technology Single chip adaptive filter utilizing updatable weighting techniques
US5379242A (en) * 1993-09-01 1995-01-03 National Semiconductor Corporation ROM filter
US5586068A (en) * 1993-12-08 1996-12-17 Terayon Corporation Adaptive electronic filter
US5566101A (en) * 1995-08-15 1996-10-15 Sigmatel, Inc. Method and apparatus for a finite impulse response filter processor

Also Published As

Publication number Publication date
AU3500397A (en) 1998-01-14
BR9711599A (pt) 1999-08-24
EP0908009A1 (en) 1999-04-14
JP5118234B2 (ja) 2013-01-16
US5870431A (en) 1999-02-09
MY117766A (en) 2004-08-30
RU2189109C2 (ru) 2002-09-10
WO1997050174A1 (en) 1997-12-31
JP2011259437A (ja) 2011-12-22
ZA975595B (en) 1998-10-08
CA2254929A1 (en) 1997-12-31
TW338858B (en) 1998-08-21
AU717714B2 (en) 2000-03-30
EP0908009B1 (en) 2010-07-14
CN1220058A (zh) 1999-06-16
DE69739935D1 (de) 2010-08-26
HK1020503A1 (en) 2000-05-05
ATE474376T1 (de) 2010-07-15
JP2000514259A (ja) 2000-10-24
CA2254929C (en) 2005-06-14

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Address after: Holy land, California, Egypt

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Granted publication date: 20030723