JPH0131809B2 - - Google Patents
Info
- Publication number
- JPH0131809B2 JPH0131809B2 JP58142920A JP14292083A JPH0131809B2 JP H0131809 B2 JPH0131809 B2 JP H0131809B2 JP 58142920 A JP58142920 A JP 58142920A JP 14292083 A JP14292083 A JP 14292083A JP H0131809 B2 JPH0131809 B2 JP H0131809B2
- Authority
- JP
- Japan
- Prior art keywords
- parallel
- channel
- channels
- data
- orthogonal
- 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.)
- Expired
Links
- 230000005540 biological transmission Effects 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 16
- 230000003111 delayed effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 15
- 238000004364 calculation method Methods 0.000 description 8
- 238000001228 spectrum Methods 0.000 description 8
- 230000003044 adaptive effect Effects 0.000 description 4
- 239000003550 marker Substances 0.000 description 4
- 239000000969 carrier Substances 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
- H04J11/0026—Interference mitigation or co-ordination of multi-user interference
- H04J11/003—Interference mitigation or co-ordination of multi-user interference at the transmitter
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58142920A JPS6033755A (ja) | 1983-08-04 | 1983-08-04 | 直交多重信号の並列同期方式 |
CA000460315A CA1210877A (en) | 1983-08-04 | 1984-08-03 | Method of synchronizing parallel channels of orthogonally multiplexed parallel data transmission system and improved automatic equalizer for use in such a transmission system |
GB08419857A GB2144604B (en) | 1983-08-04 | 1984-08-03 | Orthogonally multiplexed parallel data transmission system |
US06/637,140 US4621355A (en) | 1983-08-04 | 1984-08-03 | Method of synchronizing parallel channels of orthogonally multiplexed parallel data transmission system and improved automatic equalizer for use in such a transmission system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58142920A JPS6033755A (ja) | 1983-08-04 | 1983-08-04 | 直交多重信号の並列同期方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6033755A JPS6033755A (ja) | 1985-02-21 |
JPH0131809B2 true JPH0131809B2 (enrdf_load_stackoverflow) | 1989-06-28 |
Family
ID=15326698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58142920A Granted JPS6033755A (ja) | 1983-08-04 | 1983-08-04 | 直交多重信号の並列同期方式 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6033755A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5523201B2 (ja) * | 2010-05-21 | 2014-06-18 | 三菱電機株式会社 | デスキュー装置およびデスキュー処理方法 |
-
1983
- 1983-08-04 JP JP58142920A patent/JPS6033755A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6033755A (ja) | 1985-02-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5459749A (en) | Multi-level superposed amplitude-modulated baseband signal processor | |
US4227152A (en) | Method and device for training an adaptive equalizer by means of an unknown data signal in a quadrature amplitude modulation transmission system | |
US4550415A (en) | Fractionally spaced equalization using nyquist-rate coefficient updating | |
EP0496677B1 (en) | Adaptive equalizers | |
US4489416A (en) | Equalization system for modems in a polled arrangement | |
US4789994A (en) | Adaptive equalizer using precursor error signal for convergence control | |
US4053837A (en) | Quadriphase shift keyed adaptive equalizer | |
US3978407A (en) | Fast start-up adaptive equalizer communication system using two data transmission rates | |
US5416767A (en) | Method of transmitting a data stream, transmitter and receiver | |
US5796814A (en) | Digital transmission system comprising a receiver with cascaded equalizers | |
JP3132448B2 (ja) | 適応等化器タップ係数のトレーニング方法およびトレーニング回路 | |
US4416015A (en) | Timing acquisition in voiceband data sets | |
US5912920A (en) | Point-to multipoint digital communications system facilitating use of a reduced complexity receiver at each of the multipoint sites | |
JPH10209931A (ja) | 直交周波数分割多重化(ofdm)方式を用いるデジタル通信システムにおける適応チャンネル等化器 | |
Qureshi | Timing recovery for equalized partial-response systems | |
JPH0131810B2 (enrdf_load_stackoverflow) | ||
US4309770A (en) | Method and device for training an adaptive equalizer by means of an unknown data signal in a transmission system using double sideband-quadrature carrier modulation | |
GB2144604A (en) | Orthogonally multiplexed parallel data transmission system | |
JPH0813011B2 (ja) | アダプテイブトランスバ−サル等化器 | |
Tu | Optimum MMSE equalization for staggered modulation | |
JPH0131809B2 (enrdf_load_stackoverflow) | ||
US5077755A (en) | Digital signal processing system in modem | |
JPH084277B2 (ja) | デジタル通信システム | |
Lender | Correlative data transmission with coherent recovery using absolute reference | |
Clark et al. | Data transmission at 19.2 kbit/s over telephone circuits |