@article {Comm_Letter_2005,
	title = {Closed-form approximation for the outage capacity of orthogonal {STBC}},
	journal = {IEEE Communications Letters},
	volume = {9},
	number = {11},
	year = {2005},
	month = {November},
	pages = {961{\textendash}963},
	author = {P{\'e}rez, Jes{\'u}s and Ib{\'a}{\~n}ez, Jes{\'u}s and Vielva, Luis and Santamar{\'\i}a, Ignacio}
}
