SE331306B - - Google Patents
Info
- Publication number
- SE331306B SE331306B SE07545/67A SE754567A SE331306B SE 331306 B SE331306 B SE 331306B SE 07545/67 A SE07545/67 A SE 07545/67A SE 754567 A SE754567 A SE 754567A SE 331306 B SE331306 B SE 331306B
- Authority
- SE
- Sweden
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
- H04B7/2043—Mixed mode, TDM and FDM systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/22—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation in accordance with variation of frequency of radiated wave
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/10—Polarisation diversity; Directional diversity
-
- 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
- H04B7/155—Ground-based stations
- H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
- H04B7/1555—Selecting relay station antenna mode, e.g. selecting omnidirectional -, directional beams, selecting polarizations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2603—Arrangements for wireless physical layer control
- H04B7/2606—Arrangements for base station coverage control, e.g. by using relays in tunnels
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US55572766A | 1966-06-07 | 1966-06-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE331306B true SE331306B (xx) | 1970-12-21 |
Family
ID=24218383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE07545/67A SE331306B (xx) | 1966-06-07 | 1967-05-30 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3452356A (xx) |
| DE (1) | DE1591313A1 (xx) |
| GB (1) | GB1145194A (xx) |
| SE (1) | SE331306B (xx) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112042236A (zh) * | 2018-04-05 | 2020-12-04 | 株式会社Ntt都科摩 | 用户装置以及基站装置 |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4001691A (en) * | 1975-01-30 | 1977-01-04 | Gruenberg Elliot | Communications relay system |
| US4506383A (en) * | 1980-01-04 | 1985-03-19 | Harris Corporation | Method and apparatus for relaying signals between a ground station and a satellite using a ground relay station |
| US4866447A (en) * | 1984-08-31 | 1989-09-12 | Itt Corporation | Combined radar and data link |
| US4723320A (en) * | 1985-03-28 | 1988-02-02 | Satellite Technology Services, Inc. | Dual communication link for satellite TV receiver |
| US4823341A (en) * | 1986-08-14 | 1989-04-18 | Hughes Aircraft Company | Satellite communications system having frequency addressable high gain downlink beams |
| US5906337A (en) * | 1995-10-03 | 1999-05-25 | Trw Inc. | Multiple altitude satellite relay system and method |
| US5971324A (en) * | 1995-10-03 | 1999-10-26 | Trw Inc. | Multiple altitude satellite relay system and method |
| US6931232B1 (en) * | 1997-07-01 | 2005-08-16 | Northrop Grumman Corporation | Bi-static communication relay architecture |
| CN117728182B (zh) * | 2024-02-07 | 2024-05-07 | 成都点阵科技有限公司 | 基于北斗的接力机天线自动对准方法及系统 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3119998A (en) * | 1956-09-21 | 1964-01-28 | Martin Marietta Corp | Object locating systems |
| US3300782A (en) * | 1963-07-08 | 1967-01-24 | Electronic Specialty Co | Comunications repeater system |
| US3316552A (en) * | 1965-04-29 | 1967-04-25 | Bell Telephone Labor Inc | Satellite communication antenna direction system |
| US3331071A (en) * | 1965-12-23 | 1967-07-11 | James E Webb | Satellite communication system |
-
1966
- 1966-06-07 US US555727A patent/US3452356A/en not_active Expired - Lifetime
-
1967
- 1967-03-28 GB GB13999/67A patent/GB1145194A/en not_active Expired
- 1967-05-30 SE SE07545/67A patent/SE331306B/xx unknown
- 1967-06-07 DE DE19671591313 patent/DE1591313A1/de active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112042236A (zh) * | 2018-04-05 | 2020-12-04 | 株式会社Ntt都科摩 | 用户装置以及基站装置 |
| CN112042236B (zh) * | 2018-04-05 | 2024-03-08 | 株式会社Ntt都科摩 | 用户装置以及基站装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US3452356A (en) | 1969-06-24 |
| GB1145194A (en) | 1969-03-12 |
| DE1591313A1 (de) | 1972-03-09 |