Unified Definitions of Efficiencies and System Noise Temperature for Receiving Antenna Arrays

Author

Warnick, Karl F. ; Ivashina, Marianna V. ; Maaskant, Rob ; Woestenburg, Bert

Author_Institution

Dept. of Electr. & Comput. Eng., Brigham Young Univ., Provo, UT, USA

Volume

58

Issue

6

fYear

2010

fDate

6/1/2010 12:00:00 AM

Firstpage

2121

Lastpage

2125

Abstract

Two methods for defining the efficiencies and system noise temperature of a receiving antenna array have recently been developed, one based on the isotropic noise response of the array and the other on an equivalent system representation. This letter demonstrates the equivalence of the two formulations and proposes a new set of standard definitions of antenna figures of merit for beamforming arrays that accounts for the effect of interactions between antenna element mutual coupling and receiver noise on system performance.

Keywords

antenna arrays; array signal processing; radiofrequency interference; receiving antennas; antenna element mutual coupling; beamforming arrays; equivalent system representation; figures of merit; isotropic noise response; receiving antenna arrays; system noise temperature; Antenna arrays; Antenna feeds; Array signal processing; Mutual coupling; Noise figure; Phased arrays; Receivers; Receiving antennas; Signal to noise ratio; System performance; Temperature; Working environment noise; Amplifier noise; antenna array feeds; antenna array mutual coupling; antenna measurements;

fLanguage

English

Journal_Title

Antennas and Propagation, IEEE Transactions on

Publisher

ieee

ISSN

0018-926X

Type

jour

DOI

10.1109/TAP.2010.2046859

Filename

5439763