JPS54158810A - Time-division multidirectional multiplex communication system - Google Patents
Time-division multidirectional multiplex communication systemInfo
- Publication number
- JPS54158810A JPS54158810A JP6858178A JP6858178A JPS54158810A JP S54158810 A JPS54158810 A JP S54158810A JP 6858178 A JP6858178 A JP 6858178A JP 6858178 A JP6858178 A JP 6858178A JP S54158810 A JPS54158810 A JP S54158810A
- Authority
- JP
- Japan
- Prior art keywords
- stations
- signals
- several
- multiplex communication
- communication system
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/204—Multiple access
- H04B7/212—Time-division multiple access [TDMA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/204—Multiple access
- H04B7/212—Time-division multiple access [TDMA]
- H04B7/2125—Synchronisation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Relay Systems (AREA)
- Time-Division Multiplex Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6858178A JPS54158810A (en) | 1978-06-06 | 1978-06-06 | Time-division multidirectional multiplex communication system |
US06/046,055 US4470141A (en) | 1978-06-06 | 1979-06-06 | Multi-direction time division multiplex communication system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6858178A JPS54158810A (en) | 1978-06-06 | 1978-06-06 | Time-division multidirectional multiplex communication system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54158810A true JPS54158810A (en) | 1979-12-15 |
JPS6232853B2 JPS6232853B2 (ja) | 1987-07-17 |
Family
ID=13377882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6858178A Granted JPS54158810A (en) | 1978-06-06 | 1978-06-06 | Time-division multidirectional multiplex communication system |
Country Status (2)
Country | Link |
---|---|
US (1) | US4470141A (ja) |
JP (1) | JPS54158810A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57132444A (en) * | 1981-02-09 | 1982-08-16 | Nec Corp | Carrier frequency controlling system for slave station applied to multidirection multiplex communication system |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3301613A1 (de) * | 1983-01-19 | 1984-07-19 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Positionsbestimmungssystem |
CA1227844A (en) * | 1983-09-07 | 1987-10-06 | Michael T.H. Hewitt | Communications network having a single node and a plurality of outstations |
US4630267A (en) * | 1983-12-23 | 1986-12-16 | International Business Machines Corporation | Programmable timing and synchronization circuit for a TDMA communications controller |
JPS60214641A (ja) * | 1984-04-10 | 1985-10-26 | Nec Corp | 時分割多方向通信のスペース・ダイバシティ通信方式 |
US4618965A (en) * | 1985-03-18 | 1986-10-21 | Teleplex Corporation | Monitoring of data transfer system having serially distributed data ports |
US4675863A (en) | 1985-03-20 | 1987-06-23 | International Mobile Machines Corp. | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
US4797947A (en) * | 1987-05-01 | 1989-01-10 | Motorola, Inc. | Microcellular communications system using macrodiversity |
US5930297A (en) * | 1989-11-20 | 1999-07-27 | Interdigital Technology Corporation | Base station emulator |
US7106819B1 (en) * | 1987-11-20 | 2006-09-12 | Interdigital Technology Corporation | Plural subscriber system utilizing synchronized timeslots on a single frequency |
US5495508A (en) * | 1987-11-20 | 1996-02-27 | Interdigital Technology Corporation | Base station emulator |
JPH02195737A (ja) * | 1989-01-24 | 1990-08-02 | Fujitsu Ltd | 加入者無線システムの加入者局 |
US5124980A (en) * | 1989-03-20 | 1992-06-23 | Maki Gerald G | Synchronous multiport digital 2-way communications network using T1 PCM on a CATV cable |
GB2232562A (en) * | 1989-05-26 | 1990-12-12 | Philips Electronic Associated | Data transmission over a tdm duplex channel |
US5121243A (en) * | 1989-09-21 | 1992-06-09 | Hm Electronics | Wireless optical communication system utilizing a single optical carrier frequency |
US5038403A (en) * | 1990-01-08 | 1991-08-06 | Motorola, Inc. | Simulcast system with minimal delay dispersion and optimal power contouring |
GB2271691A (en) * | 1992-09-21 | 1994-04-20 | Oconnor P J | Synchronisation of a radio telemetry system |
FR2698744B1 (fr) * | 1992-11-30 | 1995-01-13 | Alcatel Radiotelephone | Procédé d'ajustement optimal de trames de paroles et station d'émission/réception de base mettant en Óoeuvre ce procédé. |
US5640396A (en) * | 1995-09-06 | 1997-06-17 | Motorola, Inc. | Apparatus and method for synchronizing a rural wireless fixed access unit into a TDMA system |
JPH09186643A (ja) * | 1995-12-28 | 1997-07-15 | Kyocera Corp | 無線基地局 |
US6301514B1 (en) | 1996-08-23 | 2001-10-09 | Csi Technology, Inc. | Method and apparatus for configuring and synchronizing a wireless machine monitoring and communication system |
US5907491A (en) * | 1996-08-23 | 1999-05-25 | Csi Technology, Inc. | Wireless machine monitoring and communication system |
US5854994A (en) * | 1996-08-23 | 1998-12-29 | Csi Technology, Inc. | Vibration monitor and transmission system |
DE19701683A1 (de) * | 1997-01-20 | 1998-07-23 | Plath Naut Elektron Tech | Peilempfänger für den Einsatz in TDMA-Netzen |
JP3053173B2 (ja) * | 1998-01-13 | 2000-06-19 | 日本電気株式会社 | 移動体衛星通信方法およびシステム |
US6909728B1 (en) * | 1998-06-15 | 2005-06-21 | Yamaha Corporation | Synchronous communication |
IL125059A0 (en) * | 1998-06-22 | 1999-01-26 | Shalev Doron | Two-way group communication systems |
GB2350756B (en) * | 1999-06-03 | 2001-05-09 | Marconi Comm Ltd | Signal processor circuit |
US6288656B1 (en) * | 1999-12-21 | 2001-09-11 | Lsi Logic Corporation | Receive deserializer for regenerating parallel data serially transmitted over multiple channels |
US7315551B2 (en) * | 2002-03-15 | 2008-01-01 | Lockheed Martin Corporation | Synchronous low voltage differential I/O buss |
US8493058B2 (en) * | 2011-02-25 | 2013-07-23 | Conti Temic Microelectronic Gmbh | Circuit arrangement for frequency determination |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4883717A (ja) * | 1972-02-08 | 1973-11-08 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3532985A (en) * | 1968-03-13 | 1970-10-06 | Nasa | Time division radio relay synchronizing system using different sync code words for "in sync" and "out of sync" conditions |
DE1940958B2 (de) * | 1968-08-15 | 1971-11-04 | Zeitmultiplex nachrichtensystem | |
DE2615198C3 (de) * | 1976-04-08 | 1979-08-16 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Nachrichtenübertragungssystem zum zweiseitig gerichteten Nachrichtenverkehr zwischen einer Hauptstation und mehreren Unterstationen über einen Satelliten |
JPS5949744B2 (ja) * | 1976-11-11 | 1984-12-04 | 日本電気株式会社 | フレ−ム同期回路 |
-
1978
- 1978-06-06 JP JP6858178A patent/JPS54158810A/ja active Granted
-
1979
- 1979-06-06 US US06/046,055 patent/US4470141A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4883717A (ja) * | 1972-02-08 | 1973-11-08 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57132444A (en) * | 1981-02-09 | 1982-08-16 | Nec Corp | Carrier frequency controlling system for slave station applied to multidirection multiplex communication system |
Also Published As
Publication number | Publication date |
---|---|
JPS6232853B2 (ja) | 1987-07-17 |
US4470141A (en) | 1984-09-04 |
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