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Angle and polarization diversity in compact dual-antenna terminals with chassis excitation
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- Li, Hui (author)
- Lund University,Lunds universitet,KTH,Elektroteknisk teori och konstruktion,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
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- Lau, Buon Kiong (author)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH
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- He, Sailing (author)
- KTH Royal Institute of Technology,KTH,Elektroteknisk teori och konstruktion
- (creator_code:org_t)
- 2011
- 2011
- English.
- In: URSI Gen. Assem. Sci. Symp., URSIGASS. - 9781424451173 - 9781424460519
- Conference paper (peer-reviewed)
Abstract
Subject headings
Close
- For multiple antennas on a compact terminal chassis, chassis current excitation can severely increase mutual coupling between the antennas. This is because the same characteristic mode of the chassis may be strongly excited by more than one antenna. Here, we propose to use one antenna that exploits chassis excitation and introduce a second antenna that minimizes chassis excitation. In this way, angle and polarization diversity can be realized. The concept is illustrated and verified through the design of a practical dual-antenna prototype at 920 MHz, which achieves an isolation of over 30 dB and total efficiencies of above 80%.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Keyword
- Characteristic modes
- Current excitation
- Multiple antenna
- Mutual coupling
- Polarization diversity
- Total efficiency
- Chassis
- Polarization
- Antennas
Publication and Content Type
- ref (subject category)
- kon (subject category)
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