KR20000011146A - 신호 송신 방법, 신호 송신 시스템 및 송신기 - Google Patents
신호 송신 방법, 신호 송신 시스템 및 송신기 Download PDFInfo
- Publication number
- KR20000011146A KR20000011146A KR1019980709306A KR19980709306A KR20000011146A KR 20000011146 A KR20000011146 A KR 20000011146A KR 1019980709306 A KR1019980709306 A KR 1019980709306A KR 19980709306 A KR19980709306 A KR 19980709306A KR 20000011146 A KR20000011146 A KR 20000011146A
- Authority
- KR
- South Korea
- Prior art keywords
- channels
- channel
- adjacent
- transmitting
- signal
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000003595 spectral effect Effects 0.000 claims description 6
- 230000003993 interaction Effects 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000001228 spectrum Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000006880 cross-coupling reaction Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/12—Arrangements for reducing cross-talk between channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Transmitters (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/819,896 | 1997-03-18 | ||
| US08/819,896 US5983078A (en) | 1997-03-18 | 1997-03-18 | Channel spacing for distortion reduction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20000011146A true KR20000011146A (ko) | 2000-02-25 |
Family
ID=25229374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019980709306A Ceased KR20000011146A (ko) | 1997-03-18 | 1998-02-19 | 신호 송신 방법, 신호 송신 시스템 및 송신기 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5983078A (https=) |
| EP (1) | EP0925660A2 (https=) |
| JP (1) | JP2001506464A (https=) |
| KR (1) | KR20000011146A (https=) |
| CN (1) | CN1149831C (https=) |
| WO (1) | WO1998042092A2 (https=) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6118758A (en) | 1996-08-22 | 2000-09-12 | Tellabs Operations, Inc. | Multi-point OFDM/DMT digital communications system including remote service unit with improved transmitter architecture |
| US6771590B1 (en) | 1996-08-22 | 2004-08-03 | Tellabs Operations, Inc. | Communication system clock synchronization techniques |
| ES2389626T3 (es) | 1998-04-03 | 2012-10-29 | Tellabs Operations, Inc. | Filtro para acortamiento de respuesta al impulso, con restricciones espectrales adicionales, para transmisión de múltiples portadoras |
| US7440498B2 (en) | 2002-12-17 | 2008-10-21 | Tellabs Operations, Inc. | Time domain equalization for discrete multi-tone systems |
| US6795424B1 (en) * | 1998-06-30 | 2004-09-21 | Tellabs Operations, Inc. | Method and apparatus for interference suppression in orthogonal frequency division multiplexed (OFDM) wireless communication systems |
| US6397051B1 (en) * | 1998-12-21 | 2002-05-28 | At&T Corporation | Dual image-reject mixer receiver for multiple channel reception and processing |
| US6658115B1 (en) * | 1999-11-16 | 2003-12-02 | Radioshack, Corp. | Method and apparatus for high fidelity wireless stereophonic transmission |
| US7343015B2 (en) * | 1999-11-16 | 2008-03-11 | Radio Shack Corporation | Method and apparatus for high fidelity wireless stereophonic transmission utilizing dual frequency carriers |
| US8463255B2 (en) | 1999-12-20 | 2013-06-11 | Ipr Licensing, Inc. | Method and apparatus for a spectrally compliant cellular communication system |
| US6529868B1 (en) | 2000-03-28 | 2003-03-04 | Tellabs Operations, Inc. | Communication system noise cancellation power signal calculation techniques |
| US7003275B1 (en) * | 2000-05-18 | 2006-02-21 | Broadband Innovations, Inc. | Agile frequency converter for multichannel systems using IF-RF level exhange and tunable filters |
| DE10353498B4 (de) * | 2003-11-11 | 2011-12-08 | Siemens Ag | Optimierte Subkanalzuordnung innerhalb eines Frequenzübertragungsbands |
| DE602004020988D1 (de) * | 2004-09-15 | 2009-06-18 | St Microelectronics Belgium Nv | VLIF-Sender für eine "Bluetooth Wireless Technology" Vorrichtung |
| JP4804735B2 (ja) * | 2004-09-30 | 2011-11-02 | 富士通株式会社 | 光伝送システム及び光伝送方法 |
| KR101798046B1 (ko) * | 2011-07-28 | 2017-11-15 | 엘지전자 주식회사 | 이동 단말기 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3778716A (en) * | 1966-01-28 | 1973-12-11 | Hughes Aircraft Co | Coherent catv transmission system |
| US4287598A (en) * | 1979-12-17 | 1981-09-01 | Bell Telephone Laboratories, Incorporated | Cooperating arrangement for diversity stations |
| US4475242A (en) * | 1982-11-10 | 1984-10-02 | Marc Rafal | Microwave communications system |
| US4747160A (en) * | 1987-03-13 | 1988-05-24 | Suite 12 Group | Low power multi-function cellular television system |
| GB8707533D0 (en) * | 1987-03-30 | 1987-05-07 | Indep Broadcasting Authority | Pre-emphasis for(mac)television signal |
| CN1012411B (zh) * | 1987-11-10 | 1991-04-17 | 日本电气株式会社 | 信道转换系统 |
| DE3810628C1 (https=) * | 1988-03-29 | 1989-04-06 | Standard Elektrik Lorenz Ag, 7000 Stuttgart, De | |
| US5204686A (en) * | 1988-04-06 | 1993-04-20 | Trw Inc. | RF Feed array |
| US5274836A (en) * | 1989-08-08 | 1993-12-28 | Gde Systems, Inc. | Multiple encoded carrier data link |
| US5287543A (en) * | 1991-10-07 | 1994-02-15 | General Electric Co. | Multichannel communication system with an amplifier in each channel |
| JPH0746648A (ja) * | 1993-08-02 | 1995-02-14 | Fujitsu Ltd | 移動体通信システム |
| US5594937A (en) * | 1994-09-02 | 1997-01-14 | Ghz Equipment Company | System for the transmission and reception of directional radio signals utilizing a gigahertz implosion concept |
| JP2910825B2 (ja) * | 1994-10-20 | 1999-06-23 | 日本電気株式会社 | デジタル画像受信器 |
| US5579341A (en) * | 1994-12-29 | 1996-11-26 | Motorola, Inc. | Multi-channel digital transceiver and method |
| US5666646A (en) * | 1995-04-10 | 1997-09-09 | Comtech | Radio frequency (RF) converter system with distributed protection switching and method therefor |
| US5535191A (en) * | 1995-06-28 | 1996-07-09 | Seiko Communications Systems, Inc. | Method and apparatus for switching between redundant hardware in a wireless data communication system |
| JP2802255B2 (ja) * | 1995-09-06 | 1998-09-24 | 株式会社次世代デジタルテレビジョン放送システム研究所 | 直交周波数分割多重伝送方式及びそれを用いる送信装置と受信装置 |
-
1997
- 1997-03-18 US US08/819,896 patent/US5983078A/en not_active Expired - Fee Related
-
1998
- 1998-02-19 EP EP98902145A patent/EP0925660A2/en not_active Ceased
- 1998-02-19 WO PCT/IB1998/000213 patent/WO1998042092A2/en not_active Ceased
- 1998-02-19 JP JP54027098A patent/JP2001506464A/ja not_active Ceased
- 1998-02-19 CN CNB988006138A patent/CN1149831C/zh not_active Expired - Fee Related
- 1998-02-19 KR KR1019980709306A patent/KR20000011146A/ko not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO1998042092A3 (en) | 1999-01-14 |
| JP2001506464A (ja) | 2001-05-15 |
| EP0925660A2 (en) | 1999-06-30 |
| CN1227027A (zh) | 1999-08-25 |
| WO1998042092A2 (en) | 1998-09-24 |
| US5983078A (en) | 1999-11-09 |
| CN1149831C (zh) | 2004-05-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
Patent event date: 19981118 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| PG1501 | Laying open of application | ||
| A201 | Request for examination | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20030219 Comment text: Request for Examination of Application |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20041030 Patent event code: PE09021S01D |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20050427 Patent event code: PE09021S01D |
|
| E601 | Decision to refuse application | ||
| PE0601 | Decision on rejection of patent |
Patent event date: 20050726 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20050427 Comment text: Notification of reason for refusal Patent event code: PE06011S01I Patent event date: 20041030 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |