Antenna design exploiting duplex isolation for 4G application on handsets

• Published in: Electronics letters Vol. 49; no. 19; pp. 1197 - 1198
• Main Authors: Caporal Del Barrio, S, Pedersen, G.F
• Format: Journal Article
• Language: English
• Published: Stevenage The Institution of Engineering and Technology 12.09.2013; Institution of Engineering and Technology
• Subjects: 4G application; 4G mobile communication; antenna bandwidth issue; antenna design; Antennas and propagation; Applied sciences; Circuit properties; communication standards; duplex isolation; Electric, optical and optoelectronic circuits; Electronics; Exact sciences and technology; frequency 700 MHz; frequency‐reconfigurable antenna; handsets; Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits; mobile antennas; mobile handsets; narrow‐band antenna; receiver–transmitter isolation; tunable front‐end; tunable‐antenna‐pair; duplex isolation; handsets; tunable-antenna-pair; 4G mobile communication; antenna design; receiver–transmitter isolation; antenna bandwidth issue; communication standards; frequency-reconfigurable antenna; tunable front-end; narrow-band antenna; mobile antennas; frequency 700 MHz; mobile handsets; 4G application; Microwave antenna; Reconfigurable architectures; User interface; Narrow band; Bandwidth; Antenna synthesis
• ISSN: 0013-5194; 1350-911X; 1350-911X
• DOI: 10.1049/el.2013.2567

A novel design addressing the antenna bandwidth issue for future communication standards on handsets is presented. It consists of a tunable-antenna-pair for operation with a tunable front-end. The antennas are narrow-band and frequency-reconfigurable. This Letter focuses on the low communication bands. Measurements of the design are shown in band 12, and exhibit a receiver–transmitter isolation above 25 dB at 700 MHz.