Birkmayer et al., 1990 - Google Patents
Scenarios and system architectures advantageous for optical technologies in phased-array antennasBirkmayer et al., 1990
- Document ID
- 7728613309916691023
- Author
- Birkmayer W
- Schaeffer C
- Hoesselbarth B
- Publication year
- Publication venue
- Optoelectronic signal processing for phased-array antennas II
External Links
Snippet
Reconfigurable beam-forming networks may be implemented successfully with optical technologies. To exploit the advantages fully the properties of optics have to be considered in the design of the beam-forming network. The benefit may be significant when the proper …
- 230000003287 optical 0 title abstract description 50
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
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18521—Systems of inter linked satellites, i.e. inter satellite service
-
- 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
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18513—Transmission in a satellite or space-based system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
- H04B10/25752—Optical arrangements for wireless networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/112—Line-of-sight transmission over an extended range
- H04B10/1121—One-way transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—AERIALS
- H01Q25/00—Aerials or aerial systems providing at least two radiating patterns
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6337660B1 (en) | Fiber optic true time-delay array antenna feed system | |
EP0847635B1 (en) | Optical satellite feederlinks | |
US4739334A (en) | Electro-optical beamforming network for phased array antennas | |
US5247309A (en) | Opto-electrical transmitter/receiver module | |
US6535165B2 (en) | Phased array antenna beamformer | |
Nagayama et al. | Photonics-based millimeter-wave band remote beamforming of array-antenna integrated with photodiode using variable optical delay line and attenuator | |
Morales et al. | 50 GHz optical true time delay beamforming in hybrid optical/mm-wave access networks with multi-core optical fiber distribution | |
Seeds | Optical technologies for phased array antennas | |
Birkmayer et al. | Scenarios and system architectures advantageous for optical technologies in phased-array antennas | |
Corral et al. | Optical up-conversion on continuously variable true-time-delay lines based on chirped fiber gratings for millimeter-wave optical beamforming networks | |
Oliveira et al. | Multi-beam microwave photonic beamforming based on self-coherent detection of a WDM signal | |
Leeb | Laser space communications systems, technologies, and applications | |
Birkmayer et al. | Proof-of-concept model of a coherent optical beam-forming network | |
Taylor et al. | Steering of an optically driven true-time delay phased-array antenna based on a broad-band coherent WDM architecture | |
Paul | Optical beam forming and steering for phased-array antenna | |
Lu et al. | Photonic Integrated Chips for THz Beam Steering | |
Paul et al. | Optical beam forming and steering technologies for satellite phased array antennas | |
Baister et al. | Applications for optical free space links in inter-satellite and intra-satellite communications | |
Tessema | Optical control of radio beamsteering for broadband satellite communication | |
Pan | Fiber Optics for Wideband Extra High Frequency (EHF) Phased-Arrays | |
Wale et al. | Coherent optical beomforming techniques | |
Horikawa et al. | Optically controlled multiple beam forming and steering network for phased-array antenna | |
Ji et al. | Spatial optical signal processing multibeam array antennas for both transmission and reception | |
Akiba et al. | Photonics‐Based Millimeter‐Wave Band Remote Beamforming of Antenna Arrays Integrated with Photodiodes | |
WO2024046561A1 (en) | Communication network node, optical rf holographic beam forming network, communication network and method of transmitting an rf signal |