BR9711599A - Filtro de resposta de impulso finito de base rom para uso em telefone mÄvel - Google Patents
Filtro de resposta de impulso finito de base rom para uso em telefone mÄvelInfo
- Publication number
- BR9711599A BR9711599A BR9711599A BR9711599A BR9711599A BR 9711599 A BR9711599 A BR 9711599A BR 9711599 A BR9711599 A BR 9711599A BR 9711599 A BR9711599 A BR 9711599A BR 9711599 A BR9711599 A BR 9711599A
- Authority
- BR
- Brazil
- Prior art keywords
- signals
- values
- filter
- fir filter
- antipodal
- Prior art date
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)
- Telephone Function (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
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 |
PCT/US1997/010925 WO1997050174A1 (en) | 1996-06-27 | 1997-06-23 | Rom-based finite impulse response filter for use in mobile telephone |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9711599A true BR9711599A (pt) | 1999-08-24 |
Family
ID=24697582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9711599A BR9711599A (pt) | 1996-06-27 | 1997-06-23 | Filtro de resposta de impulso finito de base rom para uso em telefone mÄvel |
Country Status (15)
Country | Link |
---|---|
US (1) | US5870431A (pt) |
EP (1) | EP0908009B1 (pt) |
JP (2) | JP2000514259A (pt) |
CN (1) | CN1115777C (pt) |
AT (1) | ATE474376T1 (pt) |
AU (1) | AU717714B2 (pt) |
BR (1) | BR9711599A (pt) |
CA (1) | CA2254929C (pt) |
DE (1) | DE69739935D1 (pt) |
HK (1) | HK1020503A1 (pt) |
MY (1) | MY117766A (pt) |
RU (1) | RU2189109C2 (pt) |
TW (1) | TW338858B (pt) |
WO (1) | WO1997050174A1 (pt) |
ZA (1) | ZA975595B (pt) |
Families Citing this family (32)
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 |
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 |
CA3119325C (en) | 2018-11-27 | 2023-07-04 | XCOM Labs, Inc. | Non-coherent cooperative multiple-input multiple-output communications |
US10756795B2 (en) | 2018-12-18 | 2020-08-25 | XCOM Labs, Inc. | User equipment with cellular link and peer-to-peer link |
US11063645B2 (en) | 2018-12-18 | 2021-07-13 | XCOM Labs, Inc. | Methods of wirelessly communicating with a group of devices |
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 |
US10735057B1 (en) | 2019-04-29 | 2020-08-04 | XCOM Labs, Inc. | Uplink user equipment selection |
US10686502B1 (en) | 2019-04-29 | 2020-06-16 | XCOM Labs, Inc. | Downlink 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 |
Family Cites Families (8)
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 |
JPH04270510A (ja) * | 1990-12-28 | 1992-09-25 | Advantest Corp | ディジタルフィルタ及び送信機 |
US5369606A (en) * | 1992-09-14 | 1994-11-29 | Harris Corporation | Reduced state fir filter |
ES2229214T3 (es) * | 1992-11-16 | 2005-04-16 | Arbitron Inc. | Metodo y aparato para codificar/decodificar segmentos radiodifundidos o grabados y para vigilar la exposicion de la audiencia a ellos. |
US5535150A (en) * | 1993-04-20 | 1996-07-09 | Massachusetts Institute Of Technology | Single chip adaptive filter utilizing updatable weighting techniques |
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 |
-
1996
- 1996-06-27 US US08/672,205 patent/US5870431A/en not_active Expired - Lifetime
-
1997
- 1997-06-20 MY MYPI97002780A patent/MY117766A/en unknown
- 1997-06-23 RU RU99101863/09A patent/RU2189109C2/ru not_active IP Right Cessation
- 1997-06-23 EP EP97931357A patent/EP0908009B1/en not_active Expired - Lifetime
- 1997-06-23 DE DE69739935T patent/DE69739935D1/de not_active Expired - Lifetime
- 1997-06-23 BR BR9711599A patent/BR9711599A/pt not_active Application Discontinuation
- 1997-06-23 CN CN97194884A patent/CN1115777C/zh not_active Expired - Lifetime
- 1997-06-23 AT AT97931357T patent/ATE474376T1/de not_active IP Right Cessation
- 1997-06-23 CA CA002254929A patent/CA2254929C/en not_active Expired - Fee Related
- 1997-06-23 JP JP10503464A patent/JP2000514259A/ja not_active Withdrawn
- 1997-06-23 WO PCT/US1997/010925 patent/WO1997050174A1/en active IP Right Grant
- 1997-06-23 AU AU35003/97A patent/AU717714B2/en not_active Ceased
- 1997-06-24 ZA ZA975595A patent/ZA975595B/xx unknown
- 1997-06-26 TW TW086108972A patent/TW338858B/zh not_active IP Right Cessation
-
1999
- 1999-10-07 HK HK99104414.2A patent/HK1020503A1/xx unknown
-
2011
- 2011-06-14 JP JP2011132557A patent/JP5118234B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0908009A1 (en) | 1999-04-14 |
JP5118234B2 (ja) | 2013-01-16 |
CN1115777C (zh) | 2003-07-23 |
DE69739935D1 (de) | 2010-08-26 |
EP0908009B1 (en) | 2010-07-14 |
TW338858B (en) | 1998-08-21 |
CN1220058A (zh) | 1999-06-16 |
ZA975595B (en) | 1998-10-08 |
WO1997050174A1 (en) | 1997-12-31 |
JP2011259437A (ja) | 2011-12-22 |
US5870431A (en) | 1999-02-09 |
MY117766A (en) | 2004-08-30 |
JP2000514259A (ja) | 2000-10-24 |
RU2189109C2 (ru) | 2002-09-10 |
AU3500397A (en) | 1998-01-14 |
HK1020503A1 (en) | 2000-05-05 |
CA2254929C (en) | 2005-06-14 |
CA2254929A1 (en) | 1997-12-31 |
ATE474376T1 (de) | 2010-07-15 |
AU717714B2 (en) | 2000-03-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B09B | Patent application refused [chapter 9.2 patent gazette] |
Free format text: INDEFERIDO COM BASE NO ARTIGO 8O COMBINADO COM O ARTIGO 13 DA LPI |
|
B09B | Patent application refused [chapter 9.2 patent gazette] |
Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL. |