IL131921A0 - System and method for spectrally shaping transmitted data signals - Google Patents
System and method for spectrally shaping transmitted data signalsInfo
- Publication number
- IL131921A0 IL131921A0 IL13192198A IL13192198A IL131921A0 IL 131921 A0 IL131921 A0 IL 131921A0 IL 13192198 A IL13192198 A IL 13192198A IL 13192198 A IL13192198 A IL 13192198A IL 131921 A0 IL131921 A0 IL 131921A0
- Authority
- IL
- Israel
- Prior art keywords
- data signals
- transmitted data
- spectrally shaping
- shaping transmitted
- spectrally
- Prior art date
Links
Classifications
-
- 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
- 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
- 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)
- Spectroscopy & Molecular Physics (AREA)
- Probability & Statistics with Applications (AREA)
- Theoretical Computer Science (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Error Detection And Correction (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4282697P | 1997-04-08 | 1997-04-08 | |
US5231998A | 1998-03-31 | 1998-03-31 | |
PCT/US1998/006650 WO1998045970A1 (en) | 1997-04-08 | 1998-04-03 | System and method for spectrally shaping transmitted data signals |
Publications (1)
Publication Number | Publication Date |
---|---|
IL131921A0 true IL131921A0 (en) | 2001-03-19 |
Family
ID=26719663
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL13192198A IL131921A0 (en) | 1997-04-08 | 1998-04-03 | System and method for spectrally shaping transmitted data signals |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP0974209A1 (en) |
JP (1) | JP2002501693A (en) |
KR (1) | KR20010006101A (en) |
CN (1) | CN1252195A (en) |
AU (1) | AU6882498A (en) |
BR (1) | BR9815183A (en) |
CA (1) | CA2285073A1 (en) |
EA (1) | EA001872B1 (en) |
IL (1) | IL131921A0 (en) |
TW (1) | TW445733B (en) |
WO (1) | WO1998045970A1 (en) |
Families Citing this family (9)
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 |
WO2000030311A1 (en) * | 1998-11-14 | 2000-05-25 | Stmicroelectronics Asia Pacific Pte Ltd | Methods of efficient implementation of trellis based spectral shaping with lookahead |
US6778611B1 (en) | 1999-08-31 | 2004-08-17 | Broadcom Corporation | Subdimensional single-carrier modulation |
EP1219085B1 (en) * | 1999-08-31 | 2010-02-10 | Broadcom Corporation | Subdimensional single-carrier modulation |
US6418170B1 (en) * | 2000-02-07 | 2002-07-09 | Motorola, Inc. | Method and apparatus for achieving 180° phase invariant transmission in a PCM modem system |
WO2001059946A1 (en) | 2000-02-10 | 2001-08-16 | Telogy Networks, Inc. | A generalized precoder for the upstream voiceband modem channel |
US6973579B2 (en) | 2002-05-07 | 2005-12-06 | Interdigital Technology Corporation | Generation of user equipment identification specific scrambling code for the high speed shared control channel |
TWI411298B (en) * | 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 IL IL13192198A patent/IL131921A0/en unknown
- 1998-04-03 AU AU68824/98A patent/AU6882498A/en not_active Abandoned
- 1998-04-03 CA CA002285073A patent/CA2285073A1/en not_active Abandoned
- 1998-04-03 BR BR9815183-5A patent/BR9815183A/en not_active IP Right Cessation
- 1998-04-03 CN CN98803983A patent/CN1252195A/en active Pending
- 1998-04-03 EP EP98914478A patent/EP0974209A1/en not_active Withdrawn
- 1998-04-03 KR KR1019997009179A patent/KR20010006101A/en not_active Application Discontinuation
- 1998-04-03 WO PCT/US1998/006650 patent/WO1998045970A1/en not_active Application Discontinuation
- 1998-04-03 EA EA199900807A patent/EA001872B1/en not_active IP Right Cessation
- 1998-04-03 JP JP54293598A patent/JP2002501693A/en not_active Ceased
- 1998-05-08 TW TW087105268A patent/TW445733B/en active
Also Published As
Publication number | Publication date |
---|---|
CN1252195A (en) | 2000-05-03 |
EA001872B1 (en) | 2001-10-22 |
EA199900807A1 (en) | 2000-06-26 |
AU6882498A (en) | 1998-10-30 |
KR20010006101A (en) | 2001-01-26 |
CA2285073A1 (en) | 1998-10-15 |
TW445733B (en) | 2001-07-11 |
WO1998045970A1 (en) | 1998-10-15 |
BR9815183A (en) | 2000-10-10 |
JP2002501693A (en) | 2002-01-15 |
EP0974209A1 (en) | 2000-01-26 |
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