Title :
A sequence of upper and lower bounds for the Q function (Corresp.)
Author :
Philips, Thomas K. ; Sahraoui, Ahmed
fDate :
11/1/1984 12:00:00 AM
Abstract :
A sequence of upper and lower bounds for the

function defined as
![Q(x)= 1/ \\sqrt {2 \\pi} \\int_{x}^{\\infty } \\exp[(-y^{2})/2]dy](/images/tex/5592.gif)
is developed. These bounds are shown to be tighter than those most commonly used.
Keywords :
Information theory; Automata; Circuit noise; Circuit synthesis; Combinatorial mathematics; Computer errors; Lattices; Logic; Organisms; Relays; Upper bound;
Journal_Title :
Information Theory, IEEE Transactions on
DOI :
10.1109/TIT.1984.1056975