Angle of Arrival. A technique for locating a (radio) mobile by estimating the angle of signal arrival at multiple points. Compare with TOA Time of Arrival, Cell Identity - CI, Observed Time Difference - OTD, GPS, and Timing Advance in the context of LCS (Location Services).
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AOA: Abbreviation for Alpha Omega Alpha, the medical honor society, the medical school equivalent of Phi Beta Kappa, in the United States and Canada. Membership is by election for distinguished academic achievement. Medical students, house officers, and medical school alumni and faculty are eligible for election. AOA is also the abbreviation for th... Found on http://www.medterms.com/script/main/art.asp?articlekey=15408