Mobile phone location in dedicated and idle modes. - Ville Ruutu; Marko Alanen; Gudni Gunnarsson; Timo Rantalainen; Veli-Matti Teittinen (PIMRC, 1998)

A Next Generation Operator Environment to Turn Context-Aware Services into a Commercial Reality. - Oriana Riva; Veli-Matti Teittinen; Sebastian Siikavirta; Lasse Huovinen (MDM, 2008)