JPH0573298B2 - - Google Patents
Info
- Publication number
- JPH0573298B2 JPH0573298B2 JP61503233A JP50323386A JPH0573298B2 JP H0573298 B2 JPH0573298 B2 JP H0573298B2 JP 61503233 A JP61503233 A JP 61503233A JP 50323386 A JP50323386 A JP 50323386A JP H0573298 B2 JPH0573298 B2 JP H0573298B2
- Authority
- JP
- Japan
- Prior art keywords
- data
- signal
- vocoded
- repeater
- synchronization
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/54—Circuits using the same frequency for two directions of communication
- H04B1/56—Circuits using the same frequency for two directions of communication with provision for simultaneous communication in two directions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Time-Division Multiplex Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmitters (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Radio Relay Systems (AREA)
- Peptides Or Proteins (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US1986/000618 WO1987006083A1 (en) | 1986-03-25 | 1986-03-25 | Tdm communication system for efficient spectrum utilization |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8510693A Division JPH0779329B2 (ja) | 1993-03-22 | 1993-03-22 | 時分割多重通信システムにおいて使用される送受信装置及び無線周波通信チャネルのスペクトラムを効率的に利用する方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63502867A JPS63502867A (ja) | 1988-10-20 |
| JPH0573298B2 true JPH0573298B2 (enExample) | 1993-10-14 |
Family
ID=22195429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61503233A Granted JPS63502867A (ja) | 1986-03-25 | 1986-03-25 | 時分割多重通信システムにおいて使用される送受信装置 |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0261127B2 (enExample) |
| JP (1) | JPS63502867A (enExample) |
| KR (1) | KR950005863B1 (enExample) |
| AT (1) | ATE49091T1 (enExample) |
| DE (1) | DE3667889D1 (enExample) |
| DK (1) | DK174553B1 (enExample) |
| FI (1) | FI86122C (enExample) |
| HK (1) | HK39293A (enExample) |
| NO (1) | NO179659C (enExample) |
| WO (1) | WO1987006083A1 (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2006497A1 (en) * | 1989-01-23 | 1990-07-23 | Michael D. Kotzin | Fdm inbound/tdm outbound communication system |
| US5042082A (en) * | 1989-06-26 | 1991-08-20 | Telefonaktiebolaget L. M. Ericsson | Mobile assisted handoff |
| GB2232326A (en) * | 1989-05-26 | 1990-12-05 | Philips Electronic Associated | Data transmission over a tdm duplex frequency channel |
| US5200957A (en) * | 1989-06-26 | 1993-04-06 | Telefonaktiebolaget L M Ericsson | Mobile assisted handoff |
| FR2667747A1 (fr) * | 1990-10-09 | 1992-04-10 | Trt Telecom Radio Electr | Systeme de transmission comportant une pluralite de dispositifs d'abonne. |
| FR2667748A1 (fr) * | 1990-10-09 | 1992-04-10 | Trt Telecom Radio Electr | Systeme de transmission d'informations selon un multiplex temporel presentant une structure variable. |
| DE4207809C1 (de) * | 1992-03-12 | 1993-11-04 | Grundig Emv | Funkgeraet fuer ein tdm-fdm-funkuebertragungssystem |
| US5764648A (en) * | 1994-07-20 | 1998-06-09 | Sanyo Electric Co., Ltd. | Method and apparatus for generating a transmission timing signal in a wireless telephone |
| US6608827B1 (en) | 1999-02-01 | 2003-08-19 | Bellsouth Intellectual Property Corporation | Method for increasing the communication capacity of a cellular telephone system |
| GB0122674D0 (en) * | 2001-09-20 | 2001-11-14 | Marconi Applied Techn Ltd | Data exchange protocol |
| CN106301453A (zh) * | 2016-08-10 | 2017-01-04 | 成都奥克特科技有限公司 | 模拟信号时分传输方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3529243A (en) * | 1967-10-11 | 1970-09-15 | Us Army | Synchronous tactical radio communication system |
| US3646441A (en) * | 1969-12-05 | 1972-02-29 | Henry Magnuski | Digital radio communication systems using repeaters operating at same frequency |
| JPS5045508A (enExample) * | 1973-08-01 | 1975-04-23 | ||
| SE453449B (sv) * | 1982-07-06 | 1988-02-01 | Ericsson Telefon Ab L M | Anleggning for tradlos overforing av telefonsamtal |
| DE3301351A1 (de) * | 1983-01-18 | 1984-07-19 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zur digitalen sprachuebertragung ueber einen einzigen funkkanal |
| GB2151436A (en) * | 1983-12-09 | 1985-07-17 | Philips Electronic Associated | Duplex speech transmission method and a system therefor |
| GB8418935D0 (en) * | 1984-07-25 | 1984-08-30 | Racal Res Ltd | Duplex communications |
-
1986
- 1986-03-25 KR KR1019870701098A patent/KR950005863B1/ko not_active Expired - Lifetime
- 1986-03-25 JP JP61503233A patent/JPS63502867A/ja active Granted
- 1986-03-25 DE DE8686903722T patent/DE3667889D1/de not_active Expired - Lifetime
- 1986-03-25 AT AT86903722T patent/ATE49091T1/de not_active IP Right Cessation
- 1986-03-25 WO PCT/US1986/000618 patent/WO1987006083A1/en not_active Ceased
- 1986-03-25 EP EP86903722A patent/EP0261127B2/en not_active Expired - Lifetime
-
1987
- 1987-10-20 FI FI874613A patent/FI86122C/fi not_active IP Right Cessation
- 1987-11-11 NO NO874685A patent/NO179659C/no unknown
- 1987-11-24 DK DK198706161A patent/DK174553B1/da not_active IP Right Cessation
-
1993
- 1993-04-22 HK HK392/93A patent/HK39293A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DK174553B1 (da) | 2003-05-26 |
| KR880701499A (ko) | 1988-07-27 |
| DK616187D0 (da) | 1987-11-24 |
| EP0261127B2 (en) | 2005-07-20 |
| EP0261127A1 (en) | 1988-03-30 |
| NO874685L (no) | 1987-11-11 |
| HK39293A (en) | 1993-04-30 |
| DE3667889D1 (de) | 1990-02-01 |
| EP0261127B1 (en) | 1989-12-27 |
| NO874685D0 (no) | 1987-11-11 |
| NO179659C (no) | 1996-11-20 |
| JPS63502867A (ja) | 1988-10-20 |
| NO179659B (no) | 1996-08-12 |
| FI874613A0 (fi) | 1987-10-20 |
| ATE49091T1 (de) | 1990-01-15 |
| KR950005863B1 (ko) | 1995-05-31 |
| FI86122B (fi) | 1992-03-31 |
| FI86122C (fi) | 1992-07-10 |
| FI874613L (fi) | 1987-10-20 |
| DK616187A (da) | 1987-11-24 |
| WO1987006083A1 (en) | 1987-10-08 |
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| JPH0573298B2 (enExample) | ||
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| JPH06104861A (ja) | 時分割多重通信システムにおいて使用される送受信装置及び無線周波通信チャネルのスペクトラムを効率的に利用する方法 | |
| CA1265269A (en) | Tdm communication system for efficient spectrum utilization | |
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| Bender et al. | Technical Services for Mine Communications Research: Applicability Of State-Of-The-Art Voice Bandwidth Compression Techniques For Wireless Mine Communication: Task A, Task Order No. 1 | |
| JPH1013362A (ja) | データ変調装置 | |
| SE459137B (sv) | Synkroniseringsfoerfarande vid radiostation i radiokommunikationssytem samt radiostation med synkroniseringsorgan | |
| JPS63294150A (ja) | 無線通信方式 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |