DK174553B1 - Kommunikationssystem med tidsmultipleks for effektiv udnyttelse af frekvensbånd - Google Patents
Kommunikationssystem med tidsmultipleks for effektiv udnyttelse af frekvensbånd Download PDFInfo
- Publication number
- DK174553B1 DK174553B1 DK198706161A DK616187A DK174553B1 DK 174553 B1 DK174553 B1 DK 174553B1 DK 198706161 A DK198706161 A DK 198706161A DK 616187 A DK616187 A DK 616187A DK 174553 B1 DK174553 B1 DK 174553B1
- Authority
- DK
- Denmark
- Prior art keywords
- voice
- signal
- received
- time
- transceiver according
- Prior art date
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)
- Peptides Or Proteins (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8600618 | 1986-03-25 | ||
PCT/US1986/000618 WO1987006083A1 (fr) | 1986-03-25 | 1986-03-25 | Systeme de communication a multiplexage temporel permettant une utilisation efficace du spectre des frequences |
Publications (3)
Publication Number | Publication Date |
---|---|
DK616187D0 DK616187D0 (da) | 1987-11-24 |
DK616187A DK616187A (da) | 1987-11-24 |
DK174553B1 true DK174553B1 (da) | 2003-05-26 |
Family
ID=22195429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK198706161A DK174553B1 (da) | 1986-03-25 | 1987-11-24 | Kommunikationssystem med tidsmultipleks for effektiv udnyttelse af frekvensbånd |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0261127B2 (fr) |
JP (1) | JPS63502867A (fr) |
KR (1) | KR950005863B1 (fr) |
AT (1) | ATE49091T1 (fr) |
DE (1) | DE3667889D1 (fr) |
DK (1) | DK174553B1 (fr) |
FI (1) | FI86122C (fr) |
HK (1) | HK39293A (fr) |
NO (1) | NO179659C (fr) |
WO (1) | WO1987006083A1 (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2006497A1 (fr) * | 1989-01-23 | 1990-07-23 | Michael D. Kotzin | Systeme de communication a modulation frequentielle pour la reception et a modulation temporelle pour la transmission |
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 |
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. |
FR2667747A1 (fr) * | 1990-10-09 | 1992-04-10 | Trt Telecom Radio Electr | Systeme de transmission comportant une pluralite de dispositifs d'abonne. |
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 (fr) * | 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 EP EP86903722A patent/EP0261127B2/fr not_active Expired - Lifetime
- 1986-03-25 KR KR1019870701098A patent/KR950005863B1/ko not_active IP Right Cessation
- 1986-03-25 JP JP61503233A patent/JPS63502867A/ja active Granted
- 1986-03-25 AT AT86903722T patent/ATE49091T1/de not_active IP Right Cessation
- 1986-03-25 DE DE8686903722T patent/DE3667889D1/de not_active Expired - Lifetime
- 1986-03-25 WO PCT/US1986/000618 patent/WO1987006083A1/fr active IP Right Grant
-
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/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO179659C (no) | 1996-11-20 |
NO874685L (no) | 1987-11-11 |
DK616187D0 (da) | 1987-11-24 |
DK616187A (da) | 1987-11-24 |
NO179659B (no) | 1996-08-12 |
DE3667889D1 (de) | 1990-02-01 |
FI86122B (fi) | 1992-03-31 |
WO1987006083A1 (fr) | 1987-10-08 |
ATE49091T1 (de) | 1990-01-15 |
JPS63502867A (ja) | 1988-10-20 |
JPH0573298B2 (fr) | 1993-10-14 |
FI874613A (fi) | 1987-10-20 |
FI86122C (fi) | 1992-07-10 |
EP0261127B2 (fr) | 2005-07-20 |
KR880701499A (ko) | 1988-07-27 |
FI874613A0 (fi) | 1987-10-20 |
NO874685D0 (no) | 1987-11-11 |
HK39293A (en) | 1993-04-30 |
EP0261127A1 (fr) | 1988-03-30 |
EP0261127B1 (fr) | 1989-12-27 |
KR950005863B1 (ko) | 1995-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUP | Patent expired |