IL110003A - Method and apparatus for simultaneously transmitting voice and data signals in a communication system - Google Patents
Method and apparatus for simultaneously transmitting voice and data signals in a communication systemInfo
- Publication number
- IL110003A IL110003A IL110003A IL11000394A IL110003A IL 110003 A IL110003 A IL 110003A IL 110003 A IL110003 A IL 110003A IL 11000394 A IL11000394 A IL 11000394A IL 110003 A IL110003 A IL 110003A
- Authority
- IL
- Israel
- Prior art keywords
- communication system
- data signals
- simultaneously transmitting
- transmitting voice
- voice
- 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
- H03M13/25—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM]
-
- 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
- H03M13/01—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
- 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
- H04L1/0041—Arrangements at the transmitter end
- H04L1/0042—Encoding specially adapted to other signal generation operation, e.g. in order to reduce transmit distortions, jitter, or to improve signal shape
-
- 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
- H04L1/0059—Convolutional 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
- H04L1/0076—Distributed coding, e.g. network coding, involving channel coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
- H04L27/3416—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes
- H04L27/3427—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes in which the constellation is the n - fold Cartesian product of a single underlying two-dimensional constellation
- H04L27/3433—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes in which the constellation is the n - fold Cartesian product of a single underlying two-dimensional constellation using an underlying square constellation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/345—Modifications of the signal space to allow the transmission of additional information
- H04L27/3461—Modifications of the signal space to allow the transmission of additional information in order to transmit a subchannel
- H04L27/3483—Modifications of the signal space to allow the transmission of additional information in order to transmit a subchannel using a modulation of the constellation points
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Theoretical Computer Science (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Error Detection And Correction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/076,507 US5521942A (en) | 1993-06-14 | 1993-06-14 | Method for increasing the dynamic range of a signal in a simultaneous voice and data system by the use of overlapping signal point regions and trellis coding |
Publications (2)
Publication Number | Publication Date |
---|---|
IL110003A0 IL110003A0 (en) | 1994-10-07 |
IL110003A true IL110003A (en) | 1997-09-30 |
Family
ID=22132456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL110003A IL110003A (en) | 1993-06-14 | 1994-06-13 | Method and apparatus for simultaneously transmitting voice and data signals in a communication system |
Country Status (8)
Country | Link |
---|---|
US (1) | US5521942A (xx) |
EP (1) | EP0630117A3 (xx) |
JP (1) | JPH0758795A (xx) |
KR (1) | KR950002310A (xx) |
CN (1) | CN1118543A (xx) |
CA (1) | CA2125520A1 (xx) |
IL (1) | IL110003A (xx) |
TW (1) | TW242205B (xx) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5684834A (en) * | 1993-06-14 | 1997-11-04 | Paradyne Corporation | Simultaneous analog and digital communication using fractional rate encoding |
JPH07245635A (ja) * | 1994-03-04 | 1995-09-19 | Sony Corp | 信号点マッピング方法および信号点検出方法 |
FI96650C (fi) * | 1994-07-11 | 1996-07-25 | Nokia Telecommunications Oy | Menetelmä ja laitteisto puheen välittämiseksi tietoliikennejärjestelmässä |
US5878077A (en) * | 1995-10-10 | 1999-03-02 | Paradyne Corporation | Apparatus for high-speed simultaneous voice/data communications |
US5796716A (en) * | 1995-11-27 | 1998-08-18 | Paradyne Corporation | Method and apparatus for simultaneous voice/data transmission |
US5838665A (en) * | 1996-03-11 | 1998-11-17 | Integrated Technology, Inc. | Data network telephone adaptor device |
US6049572A (en) * | 1996-12-30 | 2000-04-11 | Intel Corporation | Optimization of QAM constellation space for auxiliary I-Q signaling |
US6097753A (en) * | 1997-09-23 | 2000-08-01 | Paradyne Corporation | System and method for simultaneous voice and data with adaptive gain based on short term audio energy |
US9432172B2 (en) | 1997-12-05 | 2016-08-30 | Rembrandt Wireless Technologies, Lp | System and method of communication using at least two modulation methods |
US7248626B2 (en) * | 1997-12-05 | 2007-07-24 | Paradyne Corporation | System and method of communication via embedded modulation |
US6704324B1 (en) | 1998-03-25 | 2004-03-09 | Paradyne Corporation | Apparatus and method for transmission of voice band signals over a DSL line |
EP1485991B1 (en) * | 2002-03-19 | 2015-11-11 | Thomson Licensing | Slicing algorithm for multi-level modulation equalizing schemes |
KR100959921B1 (ko) * | 2003-07-03 | 2010-05-26 | 삼성전자주식회사 | 다중 채널 통신 시스템의 수신기 및 상기 수신기를 사용한데이터 복원방법 |
US11152971B2 (en) * | 2004-02-02 | 2021-10-19 | Charles Abraham | Frequency modulated OFDM over various communication media |
US7391317B2 (en) * | 2004-09-08 | 2008-06-24 | Satius, Inc. | Apparatus and method for transmitting digital data over various communication media |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4534040A (en) * | 1983-01-04 | 1985-08-06 | At&T Information Systems | Method and apparatus for coding a binary signal |
US4512013A (en) * | 1983-04-11 | 1985-04-16 | At&T Bell Laboratories | Simultaneous transmission of speech and data over an analog channel |
US4630287A (en) * | 1983-12-28 | 1986-12-16 | Paradyne Corporation | Secondary channel signalling in a QAM data point constellation |
US4546212A (en) * | 1984-03-08 | 1985-10-08 | Crowder, Inc. | Data/voice adapter for telephone network |
US4672602A (en) * | 1984-11-02 | 1987-06-09 | Itt Corporation | Control and routing system |
US4651320A (en) * | 1984-12-24 | 1987-03-17 | American Telephone And Telegraph Company | Inband coding of secondary data |
US4757495A (en) * | 1986-03-05 | 1988-07-12 | Telebit Corporation | Speech and data multiplexor optimized for use over impaired and bandwidth restricted analog channels |
JPS63503016A (ja) * | 1986-04-11 | 1988-11-02 | アムペツクス コーポレーシヨン | 主データの誤差チエツク記号に属性データを符号化及び復号化するための装置及び方法 |
US4891806A (en) * | 1987-09-18 | 1990-01-02 | Racal Data Communications Inc. | Constellation multiplexed inband secondary channel for voiceband modem |
US5023889A (en) * | 1988-05-31 | 1991-06-11 | California Institute Of Technology | Trellis coded multilevel DPSK system with doppler correction for mobile satellite channels |
US5081647A (en) * | 1989-01-06 | 1992-01-14 | American Telephone & Telegraph Company | Communication of a voice signal via continuous quadrature amplitude modulator |
US4924516A (en) * | 1989-05-23 | 1990-05-08 | At&T Paradyne | Method and system for a synchronized pseudo-random privacy modem |
US5230010A (en) * | 1990-09-26 | 1993-07-20 | American Telephone & Telegraph Company | Fractional rate modulation |
US5103227A (en) * | 1990-09-26 | 1992-04-07 | At&T Bell Laboratories | Modulus converter for fractional rate encoding |
US5493586A (en) * | 1991-03-28 | 1996-02-20 | British Telecommunications Public Limited Company | TCM scheme with fractional bit rates, framing signals and constellation shaping |
US5243629A (en) * | 1991-09-03 | 1993-09-07 | At&T Bell Laboratories | Multi-subcarrier modulation for hdtv transmission |
GB9126431D0 (en) * | 1991-12-11 | 1992-02-12 | Signal Processors Ltd | Data transmission technique |
EP0552034B1 (en) * | 1992-01-14 | 2003-04-09 | Fujitsu Limited | Simultaneous transmission of data and analog voice-band signals |
-
1993
- 1993-06-14 US US08/076,507 patent/US5521942A/en not_active Expired - Lifetime
-
1994
- 1994-06-09 CA CA002125520A patent/CA2125520A1/en not_active Abandoned
- 1994-06-10 EP EP94304179A patent/EP0630117A3/en not_active Withdrawn
- 1994-06-13 IL IL110003A patent/IL110003A/xx not_active IP Right Cessation
- 1994-06-13 CN CN94108895A patent/CN1118543A/zh active Pending
- 1994-06-14 KR KR1019940013334A patent/KR950002310A/ko not_active Application Discontinuation
- 1994-06-14 JP JP6154296A patent/JPH0758795A/ja active Pending
- 1994-08-04 TW TW083107168A patent/TW242205B/zh active
Also Published As
Publication number | Publication date |
---|---|
EP0630117A3 (en) | 1997-05-02 |
CN1118543A (zh) | 1996-03-13 |
TW242205B (xx) | 1995-03-01 |
EP0630117A2 (en) | 1994-12-21 |
KR950002310A (ko) | 1995-01-04 |
US5521942A (en) | 1996-05-28 |
IL110003A0 (en) | 1994-10-07 |
CA2125520A1 (en) | 1994-12-15 |
JPH0758795A (ja) | 1995-03-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FF | Patent granted | ||
KB | Patent renewed | ||
RH | Patent void |