FI86122C - Tdm-kommunikationssystem foer effektiv spektrumanvaendning. - Google Patents
Tdm-kommunikationssystem foer effektiv spektrumanvaendning. Download PDFInfo
- Publication number
- FI86122C FI86122C FI874613A FI874613A FI86122C FI 86122 C FI86122 C FI 86122C FI 874613 A FI874613 A FI 874613A FI 874613 A FI874613 A FI 874613A FI 86122 C FI86122 C FI 86122C
- Authority
- FI
- Finland
- Prior art keywords
- frequency
- signal
- receiving
- transmitting
- received
- Prior art date
Links
- 238000004891 communication Methods 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 230000005236 sound signal Effects 0.000 claims description 10
- 230000006870 function Effects 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims 1
- 238000009877 rendering Methods 0.000 claims 1
- 238000001228 spectrum Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 239000003550 marker Substances 0.000 description 5
- 238000011084 recovery Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US8600618 | 1986-03-25 | ||
| PCT/US1986/000618 WO1987006083A1 (en) | 1986-03-25 | 1986-03-25 | Tdm communication system for efficient spectrum utilization |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI874613A0 FI874613A0 (fi) | 1987-10-20 |
| FI874613L FI874613L (fi) | 1987-10-20 |
| FI86122B FI86122B (fi) | 1992-03-31 |
| FI86122C true FI86122C (fi) | 1992-07-10 |
Family
ID=22195429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI874613A FI86122C (fi) | 1986-03-25 | 1987-10-20 | Tdm-kommunikationssystem foer effektiv spektrumanvaendning. |
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 |
| JPH0573298B2 (enExample) | 1993-10-14 |
| ATE49091T1 (de) | 1990-01-15 |
| KR950005863B1 (ko) | 1995-05-31 |
| FI86122B (fi) | 1992-03-31 |
| FI874613L (fi) | 1987-10-20 |
| DK616187A (da) | 1987-11-24 |
| WO1987006083A1 (en) | 1987-10-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Patent granted |
Owner name: MOTOROLA, INC. |
|
| MA | Patent expired |