JPH04504190A - 複数制御スロットtdm/fdm通信システム - Google Patents
複数制御スロットtdm/fdm通信システムInfo
- Publication number
- JPH04504190A JPH04504190A JP90503049A JP50304990A JPH04504190A JP H04504190 A JPH04504190 A JP H04504190A JP 90503049 A JP90503049 A JP 90503049A JP 50304990 A JP50304990 A JP 50304990A JP H04504190 A JPH04504190 A JP H04504190A
- Authority
- JP
- Japan
- Prior art keywords
- communication
- time slots
- time
- slot
- slots
- 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
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
- H04J3/1623—Plesiochronous digital hierarchy [PDH]
- H04J3/1647—Subrate or multislot multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J4/00—Combined time-division and frequency-division multiplex systems
Abstract
Description
Claims (7)
- 1.2台以上の通信装置間で,一つの通信チャンネル上で通信を可能にする時分 割多重通信システムであって,該システムが前記通信チャンネル上で複数のTD Mフレームをサポートし,該TDMフレームの各々が複数のタイムスロットを含 み,そのタイムスロットの内の少なくともいくつかは前記通信を実質的にサポー トし,当該の各通信チャンネル上の各TDMフレーム内の該タイムスロットの内 ,少なくとも2つは独立した通信制御情報を実質的に,サポートし、この場合あ る通信装置が,その通信装置に関する通信制御情報を受信するために,TDMフ レーム毎に該タイムスロットの少なくとも2つの内の一つを受信するのみでよい ,時分割多重通信システム。
- 2.前記システムが複数のチャンネルを含み,該チャンネルの内少なくともいく つかでは複数のTDMフレームをサポートし,かつ該TDMフレームの各々が複 数のタイムスロットを含み,また該タイムスロットの少なくともいくつかは前記 通信を実質的にサポートし,該タイムスロットの内の少なくとも2つが通信制御 情報を実質的にサポートする請求の範囲第1項に記載の時分割多重通信システム 。
- 3.通信制御情報を実質的にサポートする前記タイムスロットの内,当該の少な くとも2つは同じ通信チャンネルによってサポートされている請求の範囲第2項 に記載の通信システム。
- 4.通信制御情報を実質的にサポートする前記タイムスロットの内,当該の少な くとも2つがそれぞれ別の通信チャンネルによってサポートされている請求の範 囲第2項に記載の通信システム。
- 5.通信制御情報を実質的にサポートする前記タイムスロットの内,当該の少な くとも2つが時間的にオーバーラップしていない請求の範囲第4項に記載の通信 システム。
- 6.通信制御情報を実質的にサポートする前記タイムスロットの内,当該の少な くとも2つが時間的に隣り合っていない請求の範囲第2項に記載の通信システム 。
- 7.複数のTDMフレームをサポートする通信チャンネルによる,時分割多重通 信システムにおける2台以上の通信装置間での通信方法であって、 A)該通信チャンネル上の,該TDMフレームの各々において.少なくとも3つ のタイムスロットを保持する段階であって、該タイムスロットの内少なくとも一 つが当該の2台以上の通信装置間の通信を実質的にサポートするために保持され るもの、 B)該TDMフレームの各々の中の該タイムスロットの内少なくとも二つを保持 して,通信制御情報を実質的にサポートする段階、 を具備する通信方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/300,392 US4942570A (en) | 1989-01-23 | 1989-01-23 | Multiple control slot TDM/FDM communication system |
US300,392 | 1989-01-23 | ||
PCT/US1989/005686 WO1990008434A1 (en) | 1989-01-23 | 1989-12-21 | Multiple control slot tdm/fdm communication system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH04504190A true JPH04504190A (ja) | 1992-07-23 |
JP2777841B2 JP2777841B2 (ja) | 1998-07-23 |
Family
ID=23158911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2503049A Expired - Lifetime JP2777841B2 (ja) | 1989-01-23 | 1989-12-21 | 複数制御スロットtdm/fdm通信システム |
Country Status (9)
Country | Link |
---|---|
US (1) | US4942570A (ja) |
EP (1) | EP0454776B1 (ja) |
JP (1) | JP2777841B2 (ja) |
AU (1) | AU626642B2 (ja) |
CA (1) | CA2005507C (ja) |
DE (1) | DE68926123T2 (ja) |
IL (1) | IL92548A (ja) |
SG (1) | SG48795A1 (ja) |
WO (1) | WO1990008434A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009246719A (ja) * | 2008-03-31 | 2009-10-22 | Japan Radio Co Ltd | 無線通信システム |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5231629A (en) * | 1990-10-01 | 1993-07-27 | Motorola, Inc. | Full-duplex communication system |
US5134615A (en) * | 1990-10-05 | 1992-07-28 | Motorola, Inc. | Frequency agile tdma communications system |
FR2667747A1 (fr) * | 1990-10-09 | 1992-04-10 | Trt Telecom Radio Electr | Systeme de transmission comportant une pluralite de dispositifs d'abonne. |
JP2800858B2 (ja) * | 1991-09-18 | 1998-09-21 | 日本電気株式会社 | 無線電話装置 |
US5239678A (en) * | 1991-11-21 | 1993-08-24 | Motorola, Inc. | Method of assigning a control channel as a temporary voice/data channel in a radio communications system |
US5235598A (en) * | 1992-01-30 | 1993-08-10 | Motorola, Inc. | Method for utilizing a control channel for both data and voice |
US5377193A (en) * | 1992-04-30 | 1994-12-27 | Motorola, Inc. | Trunking system access method |
JPH08506460A (ja) * | 1993-02-01 | 1996-07-09 | マルティリンク インコーポレイテッド | 複数の電話チャンネルを音声電話会議接続するための方法および装置 |
FI108100B (fi) * | 1993-06-23 | 2001-11-15 | Nokia Networks Oy | Tiedonsiirtomenetelmä ja tiedonsiirtojärjestelmä solukkoradioverkossa |
US6088590A (en) * | 1993-11-01 | 2000-07-11 | Omnipoint Corporation | Method and system for mobile controlled handoff and link maintenance in spread spectrum communication |
US6005856A (en) * | 1993-11-01 | 1999-12-21 | Omnipoint Corporation | Communication protocol for spread spectrum wireless communication system |
US5465253A (en) * | 1994-01-04 | 1995-11-07 | Motorola, Inc. | Method and apparatus for demand-assigned reduced-rate out-of-band signaling channel |
FI96558C (fi) * | 1994-09-27 | 1996-07-10 | Nokia Telecommunications Oy | Menetelmä datasiirtoa varten TDMA-matkaviestinjärjestelmässä sekä menetelmän toteuttava matkaviestinjärjestelmä |
US5463617A (en) * | 1994-09-30 | 1995-10-31 | Grube; Gary W. | Method for providing caller interrupt in a time division multiplexed wireless communication system |
CN1092876C (zh) * | 1994-12-12 | 2002-10-16 | 艾利森公司 | 移动通信系统中的定向分集信道分配 |
US5790527A (en) * | 1994-12-20 | 1998-08-04 | Research Triangle Park | Trunked radio frequency communication system for accommodating both frequency and time division based RF communications |
FI100211B (fi) * | 1995-03-06 | 1997-10-15 | Nokia Telecommunications Oy | Suurinopeuksinen datasiirto matkaviestinverkoissa |
FI100212B (fi) * | 1995-03-06 | 1997-10-15 | Nokia Telecommunications Oy | Suurinopeuksinen datasiirto matkaviestinverkoissa |
FI101114B (fi) * | 1995-04-25 | 1998-04-15 | Nokia Telecommunications Oy | Epäsymmetrinen suurinopeuksinen datasiirtomenetelmä matkapuhelinverkos sa |
US5841763A (en) * | 1995-06-13 | 1998-11-24 | Multilink, Inc. | Audio-video conferencing system |
US6023460A (en) * | 1996-06-28 | 2000-02-08 | Harris Corporation | Wireless communications system and method using a reusable control channel |
US5933418A (en) * | 1996-11-15 | 1999-08-03 | Ericsson Inc. | Method for increasing control channel capacity in a communication system |
US6608827B1 (en) * | 1999-02-01 | 2003-08-19 | Bellsouth Intellectual Property Corporation | Method for increasing the communication capacity of a cellular telephone system |
US6947469B2 (en) | 1999-05-07 | 2005-09-20 | Intel Corporation | Method and Apparatus for wireless spread spectrum communication with preamble processing period |
US6539010B1 (en) * | 1999-10-28 | 2003-03-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Downlink power control and adaptive beamforming for half-rate radiocommunication systems |
US7088734B2 (en) * | 2001-03-27 | 2006-08-08 | Motorola, Inc. | Slot format and method for increasing random access opportunities in a wireless communication system |
US6907043B2 (en) * | 2002-05-06 | 2005-06-14 | Motorola, Inc. | Method and apparatus for transmitting vocoded information |
US6822950B2 (en) | 2002-05-06 | 2004-11-23 | Motorola, Inc. | Interference-efficient method and apparatus to provide CDMA services |
US20060171327A1 (en) * | 2005-02-03 | 2006-08-03 | Autocell Laboratories, Inc. | Interference source recognition for wireless LANs |
US8131286B2 (en) * | 2007-06-13 | 2012-03-06 | Motorola Mobility, Inc. | Technique for providing broadcast services in a cellular network |
US8031621B2 (en) * | 2007-08-07 | 2011-10-04 | Honeywell International Inc. | Hybrid time triggered architecture for dual lane control systems |
US8687650B2 (en) | 2007-12-07 | 2014-04-01 | Nsgdatacom, Inc. | System, method, and computer program product for connecting or coupling analog audio tone based communications systems over a packet data network |
EP2461606B1 (en) * | 2010-12-06 | 2017-11-22 | Nxp B.V. | A time division multiplexed access method of operating a near field communication system and a near field communication system operating the same |
US9232522B2 (en) | 2013-07-19 | 2016-01-05 | Motorola Solutions, Inc. | Full duplex direct mode individual and group calling using adjacent time slots in a TDMA system |
US9231693B2 (en) * | 2013-07-19 | 2016-01-05 | Motorola Solutions, Inc. | Full duplex individual call via linked single frequency repeaters |
US10484513B2 (en) | 2015-07-17 | 2019-11-19 | Nsgdatacom, Inc. | System, method, and computer program product for connecting or coupling audio communications systems over a software defined wide area network |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63190492A (ja) * | 1987-02-02 | 1988-08-08 | Nippon Telegr & Teleph Corp <Ntt> | 移動通信交換システム |
Family Cites Families (11)
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US3936609A (en) * | 1974-02-14 | 1976-02-03 | Gte Automatic Electric Laboratories Incorporated | Submultiplex transmission of alarm status signals for a time division multiplex system |
US3961139A (en) * | 1975-05-14 | 1976-06-01 | International Business Machines Corporation | Time division multiplexed loop communication system with dynamic allocation of channels |
GB2132455A (en) * | 1982-12-08 | 1984-07-04 | Racal Res Ltd | Communications systems |
US4549303A (en) * | 1983-12-27 | 1985-10-22 | The United States Of America As Represented By The Secretary Of The Army | Multichannel time division multiplexed trunk transmission link |
GB2166929B (en) * | 1984-11-07 | 1988-04-07 | Gen Electric Co Plc | Variable frame length t.d.m. transmission system |
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 |
US4638476A (en) * | 1985-06-21 | 1987-01-20 | At&T Bell Laboratories | Technique for dynamic resource allocation in a communication system |
JPS6225523A (ja) * | 1985-07-25 | 1987-02-03 | Nec Corp | 無線通信方式 |
US4698802A (en) * | 1986-03-07 | 1987-10-06 | American Telephone And Telegraph Company And At&T Information Systems Inc. | Combined circuit and packet switching system |
US4825460A (en) * | 1988-06-22 | 1989-04-25 | Messagephone, Inc. | Line interface unit for caller-controlled receipt and delivery of voice messages |
US5025442A (en) * | 1989-01-23 | 1991-06-18 | Motorola, Inc. | TDM/FDM communication system with pseudo-duplex capability |
-
1989
- 1989-01-23 US US07/300,392 patent/US4942570A/en not_active Expired - Lifetime
- 1989-12-05 IL IL92548A patent/IL92548A/xx not_active IP Right Cessation
- 1989-12-14 CA CA002005507A patent/CA2005507C/en not_active Expired - Lifetime
- 1989-12-21 AU AU50437/90A patent/AU626642B2/en not_active Expired
- 1989-12-21 DE DE68926123T patent/DE68926123T2/de not_active Expired - Lifetime
- 1989-12-21 EP EP90902743A patent/EP0454776B1/en not_active Expired - Lifetime
- 1989-12-21 WO PCT/US1989/005686 patent/WO1990008434A1/en active IP Right Grant
- 1989-12-21 JP JP2503049A patent/JP2777841B2/ja not_active Expired - Lifetime
- 1989-12-21 SG SG1996001763A patent/SG48795A1/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63190492A (ja) * | 1987-02-02 | 1988-08-08 | Nippon Telegr & Teleph Corp <Ntt> | 移動通信交換システム |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009246719A (ja) * | 2008-03-31 | 2009-10-22 | Japan Radio Co Ltd | 無線通信システム |
Also Published As
Publication number | Publication date |
---|---|
JP2777841B2 (ja) | 1998-07-23 |
EP0454776A4 (en) | 1992-12-02 |
WO1990008434A1 (en) | 1990-07-26 |
IL92548A0 (en) | 1990-08-31 |
US4942570A (en) | 1990-07-17 |
EP0454776B1 (en) | 1996-03-27 |
AU626642B2 (en) | 1992-08-06 |
AU5043790A (en) | 1990-08-13 |
EP0454776A1 (en) | 1991-11-06 |
DE68926123T2 (de) | 1996-10-10 |
SG48795A1 (en) | 1998-05-18 |
DE68926123D1 (de) | 1996-05-02 |
IL92548A (en) | 1993-02-21 |
CA2005507C (en) | 1993-12-21 |
CA2005507A1 (en) | 1990-07-23 |
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