A Simple CRLH LWA Circuit Condition for Constant Radiation Rate
Research Group
Grupo Electromagnetismo Aplicado a las TelecomunicacionesKnowledge Area
Teoría de la Señal y las ComunicacionesSponsors
Ministerio de Educación y Ciencia, Ref. TEC2010-21520-C04-04Publication date
2011-01-01Publisher
IEEEBibliographic Citation
GÓMEZ DÍAZ, JUAN SEBASTIÁN, CAÑETE REBENAQUE, DAVID, ÁLVAREZ-MELCÓN, ALEJANDRO. A Simple CRLH LWA Circuit Condition for Constant Radiation Rate. En IEEE Antennas and Wireless Propagation Letters. January 2011, vol. 10, No. 1, pp. 29-32. ISSN: 1536-1225Peer review
SIKeywords
Broadside radiationLeaky-wave antenna
Metamaterials
Abstract
Abstract--A simple analytical condition for the radiation resistance and conductance (R,G) of an equivalent composite right/
left-handed (CRLH) balanced leaky-wave antenna unit-cell is proposed to achieve a constant radiation rate. Similar to the CRLH
"balanced condition," which allows a smooth phase transition from
the left-handed to the right-handed frequency regions, the proposed condition provides a continuous and smooth transition
of the radiation losses from the left-handed to the right-handed frequency region. Moreover, this condition also solves the phase fluctuations that traditionally occur around the CRLH transition frequency due to real radiation losses. Several numerical results are
included to confirm the uniform radiation rate obtained when the
new derived condition is used.
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