Holopainen et al., 2009 - Google Patents
Mobile terminal antennas implemented using optimized direct feedHolopainen et al., 2009
- Document ID
- 10085255096310868890
- Author
- Holopainen J
- Villanen J
- Valkonen R
- Poutanen J
- Kivekas O
- Icheln C
- Vainikainen P
- Publication year
- Publication venue
- 2009 IEEE International Workshop on Antenna Technology
External Links
Snippet
A novel antenna structure based on optimized direct feed is presented in this paper. The antenna structure consists of the chassis of a mobile terminal, a feed structure and a matching circuitry. The chassis is cut in two pieces, which are connected with an inductor …
- 230000001808 coupling 0 description 13
Classifications
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—AERIALS
- H01Q1/00—Details of, or arrangements associated with, aerials
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—AERIALS
- H01Q9/00—Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant aerials
- H01Q9/30—Resonant aerials with feed to end of elongated active element, e.g. unipole
- H01Q9/40—Element having extended radiating surface
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—AERIALS
- H01Q9/00—Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant aerials
- H01Q9/30—Resonant aerials with feed to end of elongated active element, e.g. unipole
- H01Q9/42—Resonant aerials with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—AERIALS
- H01Q9/00—Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant aerials
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the element
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—AERIALS
- H01Q9/00—Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant aerials
- H01Q9/16—Resonant aerials with feed intermediate between the extremities of the aerial, e.g. centre-fed dipole
- H01Q9/26—Resonant aerials with feed intermediate between the extremities of the aerial, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—AERIALS
- H01Q9/00—Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant aerials
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0442—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular tuning means
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—AERIALS
- H01Q9/00—Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant aerials
- H01Q9/30—Resonant aerials with feed to end of elongated active element, e.g. unipole
- H01Q9/32—Vertical arrangement of element
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—AERIALS
- H01Q1/00—Details of, or arrangements associated with, aerials
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—AERIALS
- H01Q9/00—Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant aerials
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0414—Substantially flat resonant element parallel to ground plane, e.g. patch antenna in a stacked or folded configuration
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—AERIALS
- H01Q5/00—Arrangements for simultaneous operation of aerials on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
- H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—AERIALS
- H01Q1/00—Details of, or arrangements associated with, aerials
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/273—Adaptation for carrying or wearing by persons or animals
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—AERIALS
- H01Q21/00—Aerial arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting aerial units or systems
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—AERIALS
- H01Q21/00—Aerial arrays or systems
- H01Q21/30—Combinations of separate aerial units operating in different wavebands and connected to a common feeder system
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot aerials; Leaky-waveguide aerials; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot aerials
- H01Q13/18—Resonant slot aerials the slot being backed by, or formed in boundary wall of, a resonant cavity ; Open cavity antennas
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—AERIALS
- H01Q5/00—Arrangements for simultaneous operation of aerials on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/378—Combination of fed elements with parasitic elements
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