1
Abdulrauf Hafeez, Karl J Molnar, Gregory E Bottomley: Methods and systems for reducing co-channel interference using multiple timings for a received signal. Ericsson, Myers Bigel Sibley & Sajovec, October 16, 2001: US06304618 (91 worldwide citation)

A plurality of timings are estimated for a received signal wherein the plurality of timings correspond to a plurality of transmitted signals. The received signal is then sampled in accordance with the plurality of timings, to produce a plurality of sample streams from the received signal. Channel es ...


2
Chung Yih Ho, Karl J Molnar, Daniel A Staver: Architecture to implement floating point multiply/accumulate operations. General Electric Company, Allen L Limberg, James C Davis Jr, Marvin Snyder, June 20, 1989: US04841467 (45 worldwide citation)

A multiply/accumulator chip architecture capable of operating at a 20 megahertz system clock rate is designed so as to accept floating point numbers in sign magnitude form, to compute a product of the fractional portions thereof and to convert the fractional result into two's complement form for acc ...


3
Karl J Molnar, Gregory E Bottomley, Sandeep Chennakeshu: Method and apparatus for performing beam searching in a radio communication system. Ericsson, Coats & Bennett P L L C, February 17, 2004: US06694154 (37 worldwide citation)

A radio communication system includes a base station having a directional antenna for generating a plurality of beams. A first set of the beams is used to receive signals which are decoded at the base station. A second set of the beams is used for interrogating a cell to identify beams which should ...


4
Jung Fu Cheng, Yi Pin Wang, Stephen J Grant, Leonid Krasny, Karl J Molnar: Network controlled channel information reporting. Telefonaktiebolaget LM Ericsson, Coats & Bennett P L L C, October 6, 2009: US07599698 (28 worldwide citation)

A method of supplying channel information in a wireless communication system comprises a mobile terminal normally providing a basic channel report to the wireless communication system; the mobile terminal receiving at least one common feedback criterion broadcast to a plurality of mobile terminals; ...


5
Karl J Molnar: Method for joint equalization and detection of multiple user signals. Ericsson, Rhodes Coats & Bennett, March 23, 1999: US05887035 (25 worldwide citation)

An iterative approach is used to find maximum likelihood sequence estimates of a transmitted symbol sequence. Each possible transmitted signal is represented by an indicator vector which selects the transmitted symbol from a symbol library vector. Channel estimates are generated representing the est ...


6
Karl J Molnar, Gregory E Bottomley, Sandeep Chennakeshu: Method and apparatus for performing beam searching in a radio communication system. Ericsson, Coats & Bennett P L L C, July 27, 2004: US06768913 (24 worldwide citation)

A radio communication system includes a base station having a directional antenna for generating a plurality of beams. A first set of the beams is used to receive signals which are decoded at the base station. A second set of the beams is used for interrogating a cell to identify beams which should ...


7
Karl J Molnar, Ho Chung Yih, Daniel A Staver, Barbara D Molnar: System for performing addition and subtraction of signed magnitude floating point binary numbers. General Electric Company, Marvin Snyder, James C Davis Jr, May 5, 1992: US05111421 (23 worldwide citation)

A versatile floating point adder which performs high speed floating point addition or subtraction on operands supplied in a signed magnitude format includes separate exponent and mantissa data paths for processing the exponent fields and mantissa fields of the floating point binary numbers to be add ...


8
Gregory E Bottomley, Raymond L Toy, Sandeep Chennakeshu, Karl J Molnar: Method and apparatus for frequency acquisition and tracking for DS-SS CDMA receivers. Ericsson, Burns Doane Swecker & Mathis L, October 17, 2000: US06134260 (15 worldwide citation)

Systems and methods for frequency acquisition and channel tracking in a direct sequence code division multiple access system are described. Frequency estimates are prepared and refined, which estimates are also used in the channel tracking process.


9
Karl J Molnar: Method and apparatus for frequency conversion for a receiver with a limited-accuracy oscillator. Ericsson, Coats & Bennett, October 2, 2001: US06298227 (12 worldwide citation)

A frequency converter that converts a signal at a radio frequency to an intermediate frequency using a limited-accuracy local oscillator. The frequency converter is configured to receive an analog signal at a first frequency and convert the analog signal to an intermediate frequency using the local ...


10
Stephen J Grant, Leonid Krasny, Yi Pin Eric Wang, Karl J Molnar, Jung Fu Cheng: Method and apparatus for impairment correlation estimation in a wireless communication receiver. Telefonaktiebolaget LM Ericsson, Coats & Bennett P L L C, October 25, 2011: US08045638 (10 worldwide citation)

A wireless communication receiver improves signal impairment correlation estimation in MIMO/MISO systems by considering different transmit power allocations and different transmit antenna power distributions in its impairment correlation calculations. The receiver may be implemented in according to ...