Miniaturization of UWB Antennas and its Influence on Antenna-Transceiver Performance

A modified small-size tapered monopole antenna is optimized for ultra wideband applications in co-design with the transceiver. Our optimization procedure aims at finding an antenna not only with low VSWR, but also miniaturizing the antenna at the same time. Our proposed optimization algorithm, real-coded compact genetic algorithm, RCCGA, has lowered the antenna area more than 48% compared to previous work for 3.1 to 11.7 GHz bandwidth operation. Design with the need for co-design and co-integration of the whole system the optimized antenna area is even more miniaturized and this paper explains in detail the trade off between antenna size, antenna performance and transceiver performance.

[1]  G.A.E. Vandenbosch,et al.  A Novel Small-Size Printed Tapered Monopole Antenna for UWB WBAN , 2006, IEEE Antennas and Wireless Propagation Letters.

[2]  J. Mclean.  A re-examination of the fundamental limits on the radiation Q of electrically small antennas , 1996 .

[3]  L. J. Chu.  Physical Limitations of Omni‐Directional Antennas , 1948 .

[4]  G. Gielen,et al.  A Simple Real-Coded Compact Genetic Algorithm and its Application to Antenna Optimization , 2007, 2007 Asia-Pacific Microwave Conference.

[5]  H. A. Wheeler.  The Radiansphere around a Small Antenna , 1959, Proceedings of the IRE.

[6]  L.-C. Kuo,et al.  A planar triangular monopole antenna for UWB communication , 2005, IEEE Microwave and Wireless Components Letters.

[7]  L.-C. Kuo,et al.  A planar triangular monopole antenna for UWB communication , 2005, 2005 IEEE Antennas and Propagation Society International Symposium.