CN1199518A - 减小共信道干扰 - Google Patents
减小共信道干扰 Download PDFInfo
- Publication number
- CN1199518A CN1199518A CN96197510.5A CN96197510A CN1199518A CN 1199518 A CN1199518 A CN 1199518A CN 96197510 A CN96197510 A CN 96197510A CN 1199518 A CN1199518 A CN 1199518A
- Authority
- CN
- China
- Prior art keywords
- signal
- sample value
- signal sample
- filtered
- sample
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/12—Neutralising, balancing, or compensation arrangements
- H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
Abstract
Description
h0 | h1 | h2 | h3 | h4 | h5 |
0.0510 | 0.0595 | 0.0728 | 0.0888 | 0.1033 | 0.1120 |
Claims (35)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US497995P | 1995-10-10 | 1995-10-10 | |
US60/004,979 | 1995-10-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1199518A true CN1199518A (zh) | 1998-11-18 |
CN1179493C CN1179493C (zh) | 2004-12-08 |
Family
ID=21713516
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB961975105A Expired - Lifetime CN1179493C (zh) | 1995-10-10 | 1996-10-09 | 减小共信道干扰 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5995565A (zh) |
EP (1) | EP0855109B1 (zh) |
JP (1) | JPH11513550A (zh) |
CN (1) | CN1179493C (zh) |
CA (1) | CA2187478C (zh) |
DE (1) | DE69609850T2 (zh) |
WO (1) | WO1997014227A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101741421A (zh) * | 2008-11-21 | 2010-06-16 | 王智 | 一种自适应消除临近基站干扰的方法及装置 |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6400776B1 (en) | 1998-02-10 | 2002-06-04 | At&T Corp. | Method and apparatus for high speed data transmission by spectral decomposition of the signaling space |
US7012953B2 (en) * | 1998-02-10 | 2006-03-14 | At&T Corp. | Method and apparatus for transmitting high speed data by spectral decomposition of the signaling space |
GB2335058A (en) * | 1998-03-03 | 1999-09-08 | Univ Sheffield | Design of nonlinear systems in the frequency domain |
US6271781B1 (en) * | 1998-06-10 | 2001-08-07 | Lockheed Martin Corporation | Nonlinear filter correction of multibit ΣΔ modulators |
US6249518B1 (en) * | 1998-08-07 | 2001-06-19 | Nortel Networks Limited | TDMA single antenna co-channel interference cancellation |
JP2001285029A (ja) * | 2000-03-31 | 2001-10-12 | Pioneer Electronic Corp | ディジタルフィルタおよびディジタルフィルタを用いた基準信号キャンセル装置 |
US7010069B2 (en) * | 2000-12-04 | 2006-03-07 | Trellisware Technologies, Inc. | Method for co-channel interference identification and mitigation |
TW550911B (en) * | 2001-06-21 | 2003-09-01 | Realtek Semiconductor Corp | FSK/GFSK signal receiver with the function of digitally compensating frequency offset and the receiving method of the same |
US7035361B2 (en) * | 2002-07-15 | 2006-04-25 | Quellan, Inc. | Adaptive noise filtering and equalization for optimal high speed multilevel signal decoding |
WO2004045078A2 (en) | 2002-11-12 | 2004-05-27 | Quellan, Inc. | High-speed analog-to-digital conversion with improved robustness to timing uncertainty |
KR101109847B1 (ko) | 2003-08-07 | 2012-04-06 | ?란 인코포레이티드 | 혼선 제거 방법 및 시스템 |
US7804760B2 (en) | 2003-08-07 | 2010-09-28 | Quellan, Inc. | Method and system for signal emulation |
US7616700B2 (en) | 2003-12-22 | 2009-11-10 | Quellan, Inc. | Method and system for slicing a communication signal |
TWI240523B (en) * | 2004-06-25 | 2005-09-21 | Realtek Semiconductor Corp | Method for controlling parameters of adaptive equalizer |
US20050289204A1 (en) * | 2004-06-29 | 2005-12-29 | Jose Tellado | Parallel feedback processing |
US7725079B2 (en) | 2004-12-14 | 2010-05-25 | Quellan, Inc. | Method and system for automatic control in an interference cancellation device |
US7522883B2 (en) | 2004-12-14 | 2009-04-21 | Quellan, Inc. | Method and system for reducing signal interference |
US7978799B2 (en) * | 2005-07-15 | 2011-07-12 | Nec Corporation | Adaptive digital filter, FM receiver, signal processing method, and program |
DE102005038122B4 (de) * | 2005-08-11 | 2009-01-29 | Nokia Siemens Networks Gmbh & Co.Kg | Verfahren und Anordnung zur Vorverzerrung eines Basisband-Eingangssignals |
US7693240B2 (en) * | 2006-03-31 | 2010-04-06 | Intel Corporation | Techniques to converge and adapt a communication system receiver |
WO2007127369A2 (en) | 2006-04-26 | 2007-11-08 | Quellan, Inc. | Method and system for reducing radiated emissions from a communications channel |
JP2007324754A (ja) * | 2006-05-30 | 2007-12-13 | Ntt Docomo Inc | 信号受信区間検出器 |
US7903763B2 (en) * | 2007-01-31 | 2011-03-08 | Stmicroelectronics S.R.L. | Bandwidth selection for FM applications |
US8009779B2 (en) * | 2007-03-16 | 2011-08-30 | Xg Technology, Inc. | System and method for broadband pulse detection among multiple interferers using a picket fence receiver |
US7904047B2 (en) * | 2007-10-31 | 2011-03-08 | Broadcom Corporation | Radio frequency filtering technique with auto calibrated stop-band rejection |
US8938041B2 (en) | 2012-12-18 | 2015-01-20 | Intel Corporation | Techniques for managing interference in multiple channel communications system |
CN103856424B (zh) * | 2014-03-04 | 2017-01-04 | 华普特科技(深圳)股份有限公司 | 一种直放站回波干扰消除方法和装置 |
CN105591845B (zh) * | 2016-03-08 | 2018-10-09 | 哈尔滨工业大学 | 基于时变滤波的sc-fdma上行链路小区间干扰抑制方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2227907B (en) * | 1979-12-01 | 1990-11-14 | Plessey Co Ltd | Improvements now relating to interference suppressors |
DE3274936D1 (en) * | 1981-09-26 | 1987-02-05 | Bosch Gmbh Robert | Digital demodulator for frequency-modulated signals |
FR2606576B1 (fr) * | 1986-11-07 | 1989-02-03 | Labo Electronique Physique | Dispositif pour transmettre des images de television haute definition dans des canaux a bande etroite |
GB9008613D0 (en) * | 1990-04-17 | 1990-06-13 | Marconi Gec Ltd | Reducing interference in r.f.signals |
US5499399A (en) * | 1991-05-29 | 1996-03-12 | The United States Of America As Represented By The Secretary Of The Navy | Two-dimensional kernel adaptive interference suppression system |
DE4137989A1 (de) * | 1991-11-19 | 1993-05-27 | Siedle Horst Kg | Beweglicher abgriff oder schleifer fuer potentiometer |
US5435188A (en) * | 1992-03-09 | 1995-07-25 | Lew; Hyok S. | Electronic filter for flowmeters with compound controls |
US5369791A (en) * | 1992-05-22 | 1994-11-29 | Advanced Micro Devices, Inc. | Apparatus and method for discriminating and suppressing noise within an incoming signal |
US5299233A (en) * | 1992-05-22 | 1994-03-29 | Advanced Micro Devices, Inc. | Apparatus and method for attenuating a received signal in response to presence of noise |
US5289194A (en) * | 1992-06-25 | 1994-02-22 | The United States Of America As Represented By The Secretary Of The Navy | Combiner for two dimensional adaptive interference suppression system |
US5604503A (en) * | 1995-03-27 | 1997-02-18 | Lockheed Martin Corporation | Multipath and co-channel signal preprocessor |
US5648822A (en) * | 1995-05-19 | 1997-07-15 | Philips Electronics North America Corporation | Method and apparatus for combating co-channel NTSC interference using a variable-comb filter for digital TV transmission |
US5757684A (en) * | 1995-11-17 | 1998-05-26 | Rincon Research Corporation | Adaptive co-channel interference canceler using spectral symmetry |
US5748226A (en) * | 1996-11-12 | 1998-05-05 | Samsung Electronics Co., Ltd. | Digital television receiver with adaptive filter circuitry for suppressing NTSC co-channel interference |
-
1996
- 1996-10-09 DE DE69609850T patent/DE69609850T2/de not_active Expired - Fee Related
- 1996-10-09 JP JP9514585A patent/JPH11513550A/ja not_active Ceased
- 1996-10-09 CA CA002187478A patent/CA2187478C/en not_active Expired - Fee Related
- 1996-10-09 EP EP96932407A patent/EP0855109B1/en not_active Expired - Lifetime
- 1996-10-09 CN CNB961975105A patent/CN1179493C/zh not_active Expired - Lifetime
- 1996-10-09 WO PCT/CA1996/000672 patent/WO1997014227A1/en active IP Right Grant
- 1996-10-10 US US08/728,368 patent/US5995565A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101741421A (zh) * | 2008-11-21 | 2010-06-16 | 王智 | 一种自适应消除临近基站干扰的方法及装置 |
CN101741421B (zh) * | 2008-11-21 | 2013-01-09 | 北京海兰德维通信技术有限公司 | 一种自适应消除临近基站干扰的方法 |
Also Published As
Publication number | Publication date |
---|---|
US5995565A (en) | 1999-11-30 |
DE69609850T2 (de) | 2000-12-21 |
CA2187478C (en) | 2004-02-17 |
EP0855109B1 (en) | 2000-08-16 |
DE69609850D1 (de) | 2000-09-21 |
EP0855109A1 (en) | 1998-07-29 |
WO1997014227A1 (en) | 1997-04-17 |
JPH11513550A (ja) | 1999-11-16 |
CA2187478A1 (en) | 1997-04-11 |
CN1179493C (zh) | 2004-12-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1199518A (zh) | 减小共信道干扰 | |
CN1146119C (zh) | 用于直接转换接收器的数字补偿方法 | |
CN1086866C (zh) | 减小同波道干扰的方法和非线性滤波器 | |
CN1094272C (zh) | 用于多波束天线通信系统的干扰消除器装置和干扰消除方法 | |
CN101188590B (zh) | 多载波信号处理的数字下变频系统及其数字下变频方法 | |
CN101379706B (zh) | 模数转换器中多个模拟信号的转换方法和装置 | |
CN1269306C (zh) | 无线电接收机 | |
CN1463501A (zh) | 接收器中中频信号的正交包络采样 | |
CN1092866C (zh) | 在数字无线传输系统中扩大接收机动态范围的方法和装置 | |
CN1568608A (zh) | 多速率数字收发器 | |
CN1110906C (zh) | 用于同频道干扰减少的选择滤波器 | |
CN1238864A (zh) | 零差蜂窝基站 | |
CN106872948B (zh) | 基于两级数字下变频的雷达工作信道采集系统及其方法 | |
CN1124696C (zh) | 带有联合基带数字中频自动增益控制的无线中频接收机 | |
CN1193562C (zh) | 用于角调制信号的接收装置 | |
CN102769444A (zh) | 用于解调多路abpsk信号的数字滤波器组 | |
CN1703835A (zh) | 处理调幅信号的方法和设备 | |
CN100446429C (zh) | 无线接收装置及其降频方法 | |
US7835457B2 (en) | Demodulating a signal having multiple frequency bands | |
CN1110907C (zh) | 多频道接收机 | |
JP2002544707A (ja) | 通信端末機器用の受信機回路および受信機回路における信号処理方法 | |
CN201114161Y (zh) | 多载波信号处理的数字下变频系统 | |
CA2187479C (en) | Complex signal limiting | |
CN1156110C (zh) | 基于多相分解的多载波cdma系统发送与零中频的接收方法与装置 | |
Smith et al. | Error probabilities on fading channels with intersymbol interference and noise |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: RESEARCH IN MOTION LTD. Free format text: FORMER OWNER: 2256355 ONTARIO LIMITED Effective date: 20130116 Owner name: 2256355 ONTARIO LIMITED Free format text: FORMER OWNER: YANXING BIDEKE CO., LTD. Effective date: 20130116 Owner name: YANXING BIDEKE CO., LTD. Free format text: FORMER OWNER: NORTEL NETWORKS LTD (CA) Effective date: 20130116 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130116 Address after: Voight, Ontario, Canada Patentee after: RESEARCH IN MOTION Ltd. Address before: Ontario Patentee before: 2256355 Ontario Limited Effective date of registration: 20130116 Address after: Ontario Patentee after: 2256355 Ontario Limited Address before: American New York Patentee before: NORTEL NETWORKS LTD. Effective date of registration: 20130116 Address after: American New York Patentee after: NORTEL NETWORKS LTD. Address before: Quebec Patentee before: NORTEL NETWORKS Ltd. |
|
CX01 | Expiry of patent term |
Granted publication date: 20041208 |
|
EXPY | Termination of patent right or utility model |