Inventor · Oulu, FI

Markku J. Heikkila

18Patents
6h-index
10Co-inventors
59Inventor score

Filing activity: Mar 6, 2000 → Jan 26, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US7356073B2 Method and apparatus providing an advanced MIMO receiver that includes a signal-plus-residual-interference (SPRI) detector Electricity 91 Expired
US6658047B1 Adaptive channel equalizer Electricity 43 Expired
US6721293B1 Unsupervised adaptive chip separation filter for CDMA terminal Electricity 31 Expired
US6771690B2 Method and apparatus for providing blind adaptive estimation and reception Electricity 17 Expired
US6947403B2 Advanced whitener-rake receiver for WCDMA terminal Electricity 15 Expired
US6700926B1 Method and apparatus providing bit-to-symbol mapping for space-time codes Electricity 12 Expired
US7583723B2 Method and apparatus providing an advanced MIMO receiver that includes a signal-plus-residual interference (SPRI) detector Electricity 4 Active
US7801210B2 Apparatus and methods for implementing a split equalizer filter for sparse channels Electricity 2 Active
US7424061B2 Data transfer method and system Electricity 2 Expired
US7769117B2 Determination of a noise covariance matrix for a wireless communication channel Electricity 2 Active
US8509366B1 Method, apparatus and computer program for calculating a noise covariance estimate Electricity 0 Active
US8213549B2 Apparatus, computer program and method for determining a symbol estimate Electricity 0 Active
US8908611B2 Multipoint data transmission Electricity 0 Active
US7230993B2 Method and apparatus for modulation using an at least four-dimensional signal constellation Electricity 0 Expired
US9463131B2 Spinal therapy apparatus Human Necessities 0 Active
US7680222B2 Receiver and method of processing received data Electricity 0 Active
US8111742B2 Data processing method, equalizer, receiver, communication system, network element, and terminal using simplified channel matrix inversion Electricity 0 Active
US8457188B2 Receiver and receiving method using quality measure estimates Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.