METHOD AND DEVICE FOR QUASI-COHERENT MULTIBEAM RECEPTION IN FORWARD CHANNEL Russian patent published in 2002 - IPC

FIELD: radio engineering. SUBSTANCE: multibeam receiver uses nonrecursive algorithm of shaping complex gain estimate for signal propagation channel and nonrecursive storage-time optimization algorithm that governs averaging depth M as function of subscriber motion speed. Storage-time optimization algorithm enables determination of energy spectra as function of subscriber motion speed. Storage-time optimization unit governs input signal correlation interval and sets relevant size of averaging window passed to control unit of each single-beam receiver. Correlation interval is indirectly determined by input signal during interval of pilot-character of each beam. EFFECT: enhanced noise immunity of signal reception at a priori unknown subscriber motion speed. 3 cl, 7 dwg