CN1252195A - 频谱整形传输数据信号的系统和方法 - Google Patents
频谱整形传输数据信号的系统和方法 Download PDFInfo
- Publication number
- CN1252195A CN1252195A CN98803983A CN98803983A CN1252195A CN 1252195 A CN1252195 A CN 1252195A CN 98803983 A CN98803983 A CN 98803983A CN 98803983 A CN98803983 A CN 98803983A CN 1252195 A CN1252195 A CN 1252195A
- Authority
- CN
- China
- Prior art keywords
- sign bit
- symbol
- frame
- code element
- code
- 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
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4917—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes
- H04L25/4927—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes using levels matched to the quantisation levels of the channel
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Probability & Statistics with Applications (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Error Detection And Correction (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4282697P | 1997-04-08 | 1997-04-08 | |
| US60/042,826 | 1997-04-08 | ||
| US5231998A | 1998-03-31 | 1998-03-31 | |
| US09/052,319 | 1998-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1252195A true CN1252195A (zh) | 2000-05-03 |
Family
ID=26719663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98803983A Pending CN1252195A (zh) | 1997-04-08 | 1998-04-03 | 频谱整形传输数据信号的系统和方法 |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP0974209A1 (de) |
| JP (1) | JP2002501693A (de) |
| KR (1) | KR20010006101A (de) |
| CN (1) | CN1252195A (de) |
| AU (1) | AU6882498A (de) |
| BR (1) | BR9815183A (de) |
| CA (1) | CA2285073A1 (de) |
| EA (1) | EA001872B1 (de) |
| IL (1) | IL131921A0 (de) |
| TW (1) | TW445733B (de) |
| WO (1) | WO1998045970A1 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100336397C (zh) * | 2002-05-07 | 2007-09-05 | 美商内数位科技公司 | 产生用于高速共享控制信道的用户识别专有扰频码的装置 |
| CN1652486B (zh) * | 2000-02-07 | 2011-05-18 | 通用电气资本公司 | 防止和克服通信信道中相位反转的影响的方法 |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5999109A (en) | 1997-06-09 | 1999-12-07 | 3Com Corporation | Frame-based spectral shaping method and apparatus |
| EP1129554B1 (de) * | 1998-11-14 | 2004-02-04 | STMicroelectronics Asia Pacific Pte Ltd. | Verfahren zur effizienten durchführung einer treillisbasierten spektralformung mit vorhersage |
| AU1250101A (en) * | 1999-08-31 | 2001-03-26 | Broadcom Corporation | Subdimensional single-carrier modulation |
| US6778611B1 (en) | 1999-08-31 | 2004-08-17 | Broadcom Corporation | Subdimensional single-carrier modulation |
| US6434190B1 (en) | 2000-02-10 | 2002-08-13 | Texas Instruments Incorporated | Generalized precoder for the upstream voiceband modem channel |
| TWI411298B (zh) * | 2009-03-05 | 2013-10-01 | Realtek Semiconductor Corp | Frequency conversion device and conversion method and filter thereof |
| US11418220B2 (en) | 2020-03-20 | 2022-08-16 | Huawei Technologies Co., Ltd. | Method, system, and apparatus for a segmented polarization-adjusted convolutional (PAC) code |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5040191A (en) * | 1987-02-24 | 1991-08-13 | Codex Corporation | Partial response channel signaling systems |
| US5150381A (en) * | 1989-02-16 | 1992-09-22 | Codex Corporation | Trellis shaping for modulation systems |
| US5548615A (en) * | 1993-05-03 | 1996-08-20 | At&T Corp. | Methods and apparatus for rotationally invariant multilevel coding |
| US5608397A (en) * | 1995-08-15 | 1997-03-04 | Lucent Technologies Inc. | Method and apparatus for generating DC-free sequences |
-
1998
- 1998-04-03 CA CA002285073A patent/CA2285073A1/en not_active Abandoned
- 1998-04-03 JP JP54293598A patent/JP2002501693A/ja not_active Ceased
- 1998-04-03 AU AU68824/98A patent/AU6882498A/en not_active Abandoned
- 1998-04-03 BR BR9815183-5A patent/BR9815183A/pt not_active IP Right Cessation
- 1998-04-03 CN CN98803983A patent/CN1252195A/zh active Pending
- 1998-04-03 IL IL13192198A patent/IL131921A0/xx unknown
- 1998-04-03 KR KR1019997009179A patent/KR20010006101A/ko not_active Ceased
- 1998-04-03 WO PCT/US1998/006650 patent/WO1998045970A1/en not_active Ceased
- 1998-04-03 EA EA199900807A patent/EA001872B1/ru not_active IP Right Cessation
- 1998-04-03 EP EP98914478A patent/EP0974209A1/de not_active Withdrawn
- 1998-05-08 TW TW087105268A patent/TW445733B/zh active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1652486B (zh) * | 2000-02-07 | 2011-05-18 | 通用电气资本公司 | 防止和克服通信信道中相位反转的影响的方法 |
| CN100336397C (zh) * | 2002-05-07 | 2007-09-05 | 美商内数位科技公司 | 产生用于高速共享控制信道的用户识别专有扰频码的装置 |
| CN101079700A (zh) * | 2002-05-07 | 2007-11-28 | 美商内数位科技公司 | 用在宽带码分多址通信系统中的用户设备、方法及设备 |
| CN101079652B (zh) * | 2002-05-07 | 2012-12-19 | 美商内数位科技公司 | 用于在码分多址通信系统中使用的用户设备、基站及系统 |
| CN101079700B (zh) * | 2002-05-07 | 2013-02-13 | 美商内数位科技公司 | 用在宽带码分多址通信系统中的用户设备、方法及设备 |
| CN101035254B (zh) * | 2002-05-07 | 2015-04-08 | 美商内数位科技公司 | 高速共享控制信道的用户设备识别码专有扰频讯息码的产生 |
Also Published As
| Publication number | Publication date |
|---|---|
| EA001872B1 (ru) | 2001-10-22 |
| JP2002501693A (ja) | 2002-01-15 |
| CA2285073A1 (en) | 1998-10-15 |
| TW445733B (en) | 2001-07-11 |
| EA199900807A1 (ru) | 2000-06-26 |
| AU6882498A (en) | 1998-10-30 |
| BR9815183A (pt) | 2000-10-10 |
| KR20010006101A (ko) | 2001-01-26 |
| WO1998045970A1 (en) | 1998-10-15 |
| EP0974209A1 (de) | 2000-01-26 |
| IL131921A0 (en) | 2001-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3489705B2 (ja) | 端数ビットの多重レベルコーディング | |
| US6954492B1 (en) | Method of differential encoding a precoded multiple modulus encoder | |
| EP1076987B1 (de) | Verfahren und vorrichtung zur überprüfung von sendeleistungspegeln in übertragungssystemen mit begrenzten signalpunkten | |
| US6084915A (en) | Signaling method having mixed-base shell map indices | |
| EP1038378A1 (de) | Einrichtung und verfahren zur vorkodierung von datensignalen für pcm-übertragung | |
| JP5486133B2 (ja) | 多値振幅変調装置、多値振幅復調装置、および、それらを用いた伝送システム、ならびに、多値振幅変調方法、および、多値振幅復調方法 | |
| CN1283352A (zh) | 使用优化传输组的pcm逆流传输的系统、装置和方法 | |
| US6201836B1 (en) | Method and apparatus for combining a Trellis coding scheme with a pre-coding scheme for data signals | |
| RU2006124562A (ru) | Способ и устройство для исправления ошибок данных в канале связи | |
| TW445733B (en) | System and method for spectrally shaping transmitted data signals | |
| US8891355B1 (en) | Information transmitter with variable pulse width encoding | |
| JPS60134545A (ja) | データ通信用信号構造 | |
| JP4199807B2 (ja) | 上りv.92エンコード信号のデコード | |
| US5995548A (en) | Signaling method using multiple modulus shell mapping | |
| EP1031217B1 (de) | Verfahren und vorrichtung zur optimierung von shelldarstellungstechniken mit angenäherter stromkostfunktion | |
| CN102208960A (zh) | 传输设备、传输方法和程序 | |
| HK1026987A (en) | System and method for spectrally shaping transmitted data signals | |
| Rahman et al. | The 12B8T multilevel line coding scheme in digital to digital data conversion | |
| CN1543114A (zh) | 确认及改正过采样数字比特流的最佳采样时间的方法 | |
| JPH05183439A (ja) | 符号化多値変調装置 | |
| HK1033787A (en) | System device and method for pcm upstream transmission utilizing an optimized transmit constellation | |
| JP2001318697A (ja) | アップストリーム音声帯域モデムチャネルの一般化されたプリコーダ | |
| HK1033724A (en) | Device and method for precoding data signals for pcm transmission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: WD Ref document number: 1026987 Country of ref document: HK |