JP2001527706A - 直交周波数分割多重を使用するデジタル受信機のシングルチップvlsi実施 - Google Patents
直交周波数分割多重を使用するデジタル受信機のシングルチップvlsi実施Info
- Publication number
- JP2001527706A JP2001527706A JP52054998A JP52054998A JP2001527706A JP 2001527706 A JP2001527706 A JP 2001527706A JP 52054998 A JP52054998 A JP 52054998A JP 52054998 A JP52054998 A JP 52054998A JP 2001527706 A JP2001527706 A JP 2001527706A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- carrier
- data
- signal
- symbol
- 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.)
- Pending
Links
- 238000012937 correction Methods 0.000 claims abstract description 43
- 238000005070 sampling Methods 0.000 claims abstract description 35
- 238000012952 Resampling Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 52
- 239000000969 carrier Substances 0.000 claims description 26
- 238000003860 storage Methods 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 20
- 238000000605 extraction Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 18
- 230000004044 response Effects 0.000 claims description 18
- 208000011580 syndromic disease Diseases 0.000 claims description 13
- 230000003111 delayed effect Effects 0.000 claims description 11
- 238000001228 spectrum Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 45
- 238000004364 calculation method Methods 0.000 description 39
- 230000008569 process Effects 0.000 description 25
- 238000012360 testing method Methods 0.000 description 23
- 230000006870 function Effects 0.000 description 22
- 230000000875 corresponding effect Effects 0.000 description 14
- 230000008859 change Effects 0.000 description 9
- 238000012545 processing Methods 0.000 description 9
- 238000013459 approach Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 238000004422 calculation algorithm Methods 0.000 description 7
- 230000005055 memory storage Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 6
- 230000010363 phase shift Effects 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000002596 correlated effect Effects 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 238000013507 mapping Methods 0.000 description 4
- 101100458289 Drosophila melanogaster msps gene Proteins 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 230000001934 delay Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 101100042610 Arabidopsis thaliana SIGB gene Proteins 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 2
- 101100294408 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) MOT2 gene Proteins 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 2
- 101150117326 sigA gene Proteins 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 241001279686 Allium moly Species 0.000 description 1
- 241000212384 Bifora Species 0.000 description 1
- 208000019300 CLIPPERS Diseases 0.000 description 1
- UNPLRYRWJLTVAE-UHFFFAOYSA-N Cloperastine hydrochloride Chemical compound Cl.C1=CC(Cl)=CC=C1C(C=1C=CC=CC=1)OCCN1CCCCC1 UNPLRYRWJLTVAE-UHFFFAOYSA-N 0.000 description 1
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- 241000656145 Thyrsites atun Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- 230000010267 cellular communication Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000010615 ring circuit Methods 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000000551 statistical hypothesis test Methods 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 238000000528 statistical test Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000001521 two-tailed test Methods 0.000 description 1
- 230000035899 viability Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0057—Block codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0045—Arrangements at the receiver end
- H04L1/0054—Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0071—Use of interleaving
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0212—Channel estimation of impulse response
- H04L25/0214—Channel estimation of impulse response of a single coefficient
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
- H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
- H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2649—Demodulators
- H04L27/26524—Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2657—Carrier synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2662—Symbol synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2662—Symbol synchronisation
- H04L27/2665—Fine synchronisation, e.g. by positioning the FFT window
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0064—Concatenated codes
- H04L1/0065—Serial concatenated codes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Power Engineering (AREA)
- Artificial Intelligence (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Error Detection And Correction (AREA)
- Stereo-Broadcasting Methods (AREA)
- Superheterodyne Receivers (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Complex Calculations (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9622728.5 | 1996-10-31 | ||
GBGB9622728.5A GB9622728D0 (en) | 1996-10-31 | 1996-10-31 | Timing synchronization in a reciever employing orthogonal frequency division mutiplexing |
GB9720550A GB2318953A (en) | 1996-10-31 | 1997-09-26 | OFDM receiver with FFT window sync. |
GB9720550.4 | 1997-09-26 | ||
PCT/US1997/018911 WO1998019410A2 (en) | 1996-10-31 | 1997-10-22 | Single chip vlsi implementation of a digital receiver employing orthogonal frequency division multiplexing |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004202455A Division JP2005045788A (ja) | 1996-10-31 | 2004-06-11 | 直交周波数分割多重を使用するデジタル受信機のシングルチップvlsi実施 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2001527706A true JP2001527706A (ja) | 2001-12-25 |
Family
ID=26310320
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52054998A Pending JP2001527706A (ja) | 1996-10-31 | 1997-10-22 | 直交周波数分割多重を使用するデジタル受信機のシングルチップvlsi実施 |
JP2004202455A Pending JP2005045788A (ja) | 1996-10-31 | 2004-06-11 | 直交周波数分割多重を使用するデジタル受信機のシングルチップvlsi実施 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004202455A Pending JP2005045788A (ja) | 1996-10-31 | 2004-06-11 | 直交周波数分割多重を使用するデジタル受信機のシングルチップvlsi実施 |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0938795A2 (zh) |
JP (2) | JP2001527706A (zh) |
KR (1) | KR20000052956A (zh) |
CN (1) | CN1249099A (zh) |
AU (1) | AU727726B2 (zh) |
BR (1) | BR9712722A (zh) |
CA (1) | CA2270149A1 (zh) |
IL (1) | IL129655A0 (zh) |
WO (1) | WO1998019410A2 (zh) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6292511B1 (en) * | 1998-10-02 | 2001-09-18 | Usa Digital Radio Partners, Lp | Method for equalization of complementary carriers in an AM compatible digital audio broadcast system |
US6930995B1 (en) * | 1999-06-23 | 2005-08-16 | Cingular Wireless Ii, Llc | Apparatus and method for synchronization in a multiple-carrier communication system by observing a plurality of synchronization indicators |
US6940933B1 (en) | 1999-06-23 | 2005-09-06 | Cingular Wireless Ii, Llc | Apparatus and method for synchronization in a multiple-carrier communications system by observing a phase-frequency relationship of a plurality of pilot signals |
US6389087B1 (en) * | 1999-06-23 | 2002-05-14 | At&T Wireless Services, Inc. | Apparatus and method for synchronization in a multiple-carrier communication system by observing energy within a guard band |
IL151350A0 (en) * | 2000-03-30 | 2003-04-10 | Qualcomm Inc | Method and apparatus for a mobile station application to identify specified events |
EP1178640B1 (en) * | 2000-08-01 | 2006-05-24 | Sony Deutschland GmbH | Device and method for channel estimating an OFDM system |
JP3960511B2 (ja) * | 2001-05-07 | 2007-08-15 | 日本放送協会 | Ofdm信号解析装置 |
EP1267536A1 (en) * | 2001-06-13 | 2002-12-18 | Conexant Systems, Inc. | Multicarrier receiver with detection of the transmission mode and length of the guard interval |
EP1283614A1 (en) * | 2001-08-10 | 2003-02-12 | TELEFONAKTIEBOLAGET L M ERICSSON (publ) | Channel estimation in a multicarrier transmit diversity system |
FR2830389B1 (fr) * | 2001-10-03 | 2004-09-24 | Canon Kk | Procede et dispositif combinant estimation de canal et synchronisation temporelle pour la reception |
US7548506B2 (en) | 2001-10-17 | 2009-06-16 | Nortel Networks Limited | System access and synchronization methods for MIMO OFDM communications systems and physical layer packet and preamble design |
KR100429528B1 (ko) | 2002-01-23 | 2004-05-03 | 삼성전자주식회사 | 디지털 통신 방법 및 장치 |
US7224666B2 (en) | 2002-05-13 | 2007-05-29 | Texas Instruments Incorporated | Estimating frequency offsets using pilot tones in an OFDM system |
CN1497886B (zh) * | 2002-10-10 | 2012-03-07 | 松下电器产业株式会社 | 正交频分复用信号均衡器、方法、地面数广接收器 |
DE102004047600A1 (de) * | 2004-09-30 | 2006-04-13 | Robert Bosch Gmbh | Verfahren zum Synchronisieren eines Abtasttaktes sowie Synchronisationseinheit für ein Mehrträgerempfangssystem |
KR100686140B1 (ko) * | 2005-01-18 | 2007-02-23 | 엘지전자 주식회사 | 트래커 락 발생 방법 |
JP2006287756A (ja) | 2005-04-01 | 2006-10-19 | Ntt Docomo Inc | 送信装置、送信方法、受信装置及び受信方法 |
CN101110803B (zh) * | 2006-07-18 | 2011-06-01 | 大唐移动通信设备有限公司 | 一种基于快速傅立叶变换和反变换联合运算的实现方法 |
US8238436B2 (en) * | 2007-03-30 | 2012-08-07 | Mediatek Inc. | Methods and device for fast acquisition of digital video signals |
CN101552756B (zh) * | 2008-04-03 | 2013-06-12 | 联咏科技股份有限公司 | 正交频分多路复用调制接收装置及其所使用的滤波器 |
CN101257472B (zh) * | 2008-04-09 | 2011-04-27 | 浙江大学 | 正交频分复用接收机系统及其自动增益控制方法 |
CN102282900B (zh) * | 2008-11-12 | 2015-01-07 | 新加坡科技研究局 | 多重存取通讯系统 |
CN101626250A (zh) * | 2009-07-23 | 2010-01-13 | 无锡圆芯微电子有限公司 | 一种对具备单个纠错能力的Reed-Solomon解码器的集成电路实现方法 |
CN102687478A (zh) | 2009-10-30 | 2012-09-19 | 班戈大学 | 光频分多路复用传输系统中的同步方法 |
GB2489922A (en) | 2011-04-06 | 2012-10-17 | Univ Bangor | Synchronising optical OFDM signal with pattern of DC offset levels superimposed upon OFDM symbols |
ES2970728T3 (es) * | 2014-08-28 | 2024-05-30 | Atlas Global Tech Llc | Método de transmisión de tramas y método de recepción de tramas |
US10003986B2 (en) * | 2014-09-26 | 2018-06-19 | Futurewei Technologies, Inc. | Device, network, and method for communications with variable-duration reference signals |
FR3038084B1 (fr) * | 2015-06-29 | 2017-12-29 | Centre National De La Recherche Scient (C N R S) | Microprocesseur parallele stochastique |
CN107454030B (zh) * | 2017-07-17 | 2020-03-17 | 科大智能电气技术有限公司 | 一种电力线宽带载波半并行发射机及其实现方法 |
CN109391580B (zh) * | 2017-08-04 | 2021-06-15 | 安立股份有限公司 | 同步装置及同步方法 |
CN110830086B (zh) * | 2018-08-07 | 2021-06-22 | 航天信息股份有限公司 | 一种信号处理装置和阅读器 |
CN109286381B (zh) * | 2018-09-12 | 2022-03-08 | 西安微电子技术研究所 | 一种基于温度计编码的自动增益控制电路及控制方法 |
CN111371717B (zh) * | 2018-12-26 | 2022-08-05 | 深圳市力合微电子股份有限公司 | 一种ofdm调制中用对称导频进行相位跟踪的方法 |
CN112202457A (zh) * | 2019-07-08 | 2021-01-08 | 得琦电子股份有限公司 | 可快速选择频道的无线音频传输系统的频道选单界面 |
CN112099339B (zh) * | 2020-07-27 | 2021-08-24 | 季华实验室 | Utc数据接收器及计时器 |
CN112231847B (zh) * | 2020-11-04 | 2024-04-02 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | 转捩位置确定方法、装置、电子设备及存储介质 |
CN112787723B (zh) * | 2020-12-29 | 2022-03-25 | 武汉邮电科学研究院有限公司 | 一种非线性编码器、编码方法及光传输系统 |
CN112818633B (zh) * | 2021-04-20 | 2021-07-20 | 北京智芯仿真科技有限公司 | 层间耦合动态施加的集成电路电流分布的迭代方法及装置 |
CN116153362B (zh) * | 2023-04-20 | 2023-08-25 | 浙江力积存储科技有限公司 | 读取等待时间计数器延迟反馈方法、延迟反馈存储结构 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4300229A (en) * | 1979-02-21 | 1981-11-10 | Nippon Electric Co., Ltd. | Transmitter and receiver for an othogonally multiplexed QAM signal of a sampling rate N times that of PAM signals, comprising an N/2-point offset fourier transform processor |
SE500986C2 (sv) * | 1993-07-20 | 1994-10-17 | Telia Ab | Förfarande och anordning för synkronisering i digitalt transmissionssystem av typen OFDM |
JP3074103B2 (ja) * | 1993-11-16 | 2000-08-07 | 株式会社東芝 | Ofdm同期復調回路 |
FI96372C (fi) * | 1994-06-16 | 1996-06-10 | Nokia Technology Gmbh | Kehystahdistus digitaalisia radiolähetyksiä vastaanottavassa laitteessa |
US5774450A (en) * | 1995-01-10 | 1998-06-30 | Matsushita Electric Industrial Co., Ltd. | Method of transmitting orthogonal frequency division multiplexing signal and receiver thereof |
KR100254067B1 (ko) * | 1995-02-06 | 2000-04-15 | 피셔 데이비드 에프. | 다중 지점 대 지점 통신 시스템 |
SE514986C2 (sv) * | 1995-03-01 | 2001-05-28 | Telia Ab | Metod och anordning för synkronisering vid OFDM-system |
-
1997
- 1997-10-22 KR KR1019990703829A patent/KR20000052956A/ko not_active Application Discontinuation
- 1997-10-22 WO PCT/US1997/018911 patent/WO1998019410A2/en not_active Application Discontinuation
- 1997-10-22 JP JP52054998A patent/JP2001527706A/ja active Pending
- 1997-10-22 IL IL12965597A patent/IL129655A0/xx unknown
- 1997-10-22 AU AU51471/98A patent/AU727726B2/en not_active Ceased
- 1997-10-22 CA CA002270149A patent/CA2270149A1/en not_active Abandoned
- 1997-10-22 EP EP97946266A patent/EP0938795A2/en not_active Withdrawn
- 1997-10-22 CN CN97180515A patent/CN1249099A/zh active Pending
- 1997-10-22 BR BR9712722-1A patent/BR9712722A/pt not_active IP Right Cessation
-
2004
- 2004-06-11 JP JP2004202455A patent/JP2005045788A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
KR20000052956A (ko) | 2000-08-25 |
JP2005045788A (ja) | 2005-02-17 |
BR9712722A (pt) | 1999-10-26 |
WO1998019410A2 (en) | 1998-05-07 |
AU727726B2 (en) | 2000-12-21 |
EP0938795A2 (en) | 1999-09-01 |
IL129655A0 (en) | 2000-02-29 |
WO1998019410A3 (en) | 1998-08-27 |
CN1249099A (zh) | 2000-03-29 |
AU5147198A (en) | 1998-05-22 |
CA2270149A1 (en) | 1998-05-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2001527706A (ja) | 直交周波数分割多重を使用するデジタル受信機のシングルチップvlsi実施 | |
US6687315B2 (en) | Single chip VLSI implementation of a digital receiver employing orthogonal frequency division multiplexing | |
US6359938B1 (en) | Single chip VLSI implementation of a digital receiver employing orthogonal frequency division multiplexing | |
US5953311A (en) | Timing synchronization in a receiver employing orthogonal frequency division multiplexing | |
JP4356203B2 (ja) | 復調装置及び復調方法 | |
US6628730B1 (en) | Demodulating digital video broadcast signals | |
TWI258937B (en) | Mode detection for OFDM signals | |
US8085859B2 (en) | Platform noise mitigation | |
JP2004214962A (ja) | Ofdm復調装置 | |
JP4856369B2 (ja) | Ofdm信号シンボルの共通位相エラーを除去するofdmデモジュレータ及びそのcpe除去方法 | |
US6320917B1 (en) | Demodulating digital video broadcast signals | |
AU2004229642A1 (en) | Phase locked loop for an OFDM system | |
JP2008533867A (ja) | 精細タイミング取得 | |
JP4142758B2 (ja) | 直交周波数分割多重を使用するレシーバ及びそのタイミング同期方法 | |
US7664187B2 (en) | Memory reduction in digital broadcast receivers | |
JP4419271B2 (ja) | 復調装置及び復調方法 | |
TWI481220B (zh) | 正交分頻多工(ofdm)接收器的最大通道延遲之估計方法以及循環字首(cp)求平均方法 | |
EP0877526A2 (en) | Demodulating digital video broadcast signals | |
WO2005034460A1 (en) | Method, system and receiver for receiving a multi-carrier transmission | |
Zou et al. | VLSI implementation for a low power mobile OFDM receiver ASIC | |
JP2000068974A (ja) | Ofdm受信装置 | |
JP2001306547A (ja) | 演算装置及び演算方法 | |
EP1933516A2 (en) | Demodulating video broadcast signals | |
JP2005064741A (ja) | 伝送データ再生装置及び方法 | |
KR20060069019A (ko) | Dmb 수신기에서 채널의 임펄스 응답(cir)을 이용한심볼 위치 추적 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20031215 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20040210 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20040512 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20040611 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20040819 |
|
A912 | Re-examination (zenchi) completed and case transferred to appeal board |
Free format text: JAPANESE INTERMEDIATE CODE: A912 Effective date: 20040902 |