Title :
Antennas in a waveguide propagation environment
Author :
Nikitin, P.V. ; Stancil, D.D. ; Cepni, A.G. ; Xhafa, A.E. ; Tonguz, O.K. ; Areklett, K. ; Brodtkorb, D.
Author_Institution :
Dept. of Electr. Eng., Univ. of Washington, Seattle, WA, USA
Abstract :
In this paper, we discuss antenna properties in a waveguide propagation environment. An example of this environment is heating, ventilation, and air conditioning (HVAC) ducts, which behave as multimode waveguides when used for indoor radio communications. An important antenna characteristic in waveguides is mode sensitivity gain, which is analogous to the antenna directive gain in free-space and is a function of antenna parameters. We demonstrate this with the example of a monopole probe antenna coupled into a multimode cylindrical waveguide.
Keywords :
HVAC; indoor radio; monopole antennas; waveguide antennas; waveguide couplers; HVAC ducts; antenna characteristic; antenna parameters; antenna properties; coupled monopole probe antenna; free-space antenna directive gain; heating ventilation and air conditioning ducts; indoor radio communications; mode sensitivity gain; multimode cylindrical waveguide; multimode waveguides; waveguide propagation environment; Antenna theory; Antennas and propagation; Directive antennas; Ducts; Heating; Impedance; Optical propagation; Optical waveguide theory; Optical waveguides; Probes;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2003. IEEE
Conference_Location :
Columbus, OH, USA
Print_ISBN :
0-7803-7846-6
DOI :
10.1109/APS.2003.1219446
