@InProceedings{elsner2007orthogonal,
	author = {Elsner, Jens P and Rykaczewski, Piotr and Korner, Christian and Jondral, Friedrich K},
	title = {Orthogonal complex Hadamard spreading codes for I/Q imbalance mitigation in MC-CDMA systems},
	booktitle = {Proc. IEEE Vehicular Technology Conf. (VTC-Spring)},
	pages = {2661–2665},
	year = {2007},
}