1. Crosscorrelation between the envelopes of 900 MHz signals received at a mobile radio base station site;Adachi,1986
2. An adaptive array for mobile communication systems;Anderson;IEEE Trans. Vehicular Technol.,1991
3. Array processing with generalized beam-formers;Bangs,1971
4. Location and spectrum estimation by approximate maximum likelihood;Böhme,1989
5. Adaptive antenna arrays for GSM900/DCS1800;Forssën,1994