Patents by Inventor Karl J. Molnar
Karl J. Molnar has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10298373Abstract: A radio base station, user equipment (UE), and method of control signaling in wireless communication systems. Control information is transferred from a base station to at least one UE, via a plurality of common pilot channels. A set of unique pilot sequences is predefined, and the base station assigns specific pilot sequences from the set of pilot sequences to specific common pilot channels, forming a pilot sequence assignment pattern representing specific control information. The UE, having knowledge of the relations between pilot sequence assignment patterns and control information, interprets the received pilot sequence assignment pattern as specific control information. The method is particularly well suited for broadcast type control information.Type: GrantFiled: September 21, 2017Date of Patent: May 21, 2019Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Yi-Pin Eric Wang, Jung-Fu Cheng, Stephen Grant, Karl J. Molnar, Leonid Krasny
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Patent number: 10014923Abstract: A communication device is described herein that has control (or at least partial control) over which virtual antenna(s) in one or more base stations to use for transmissions. In one embodiment, the mobile phone performs the following steps: (1) receives an antenna subset list (from the scheduling unit) which identifies a configuration of virtual antennas that is associated with the base station(s); (2) uses the antenna subset list to select which virtual antenna(s) in the configuration of virtual antennas to use for transmissions; and (3) sends an antenna selection signal (to the scheduling unit) which contains information that instructs/requests the base station(s)/scheduling unit to use the selected virtual antenna(s) for transmissions.Type: GrantFiled: July 15, 2016Date of Patent: July 3, 2018Assignee: OPTIS CELLULAR TECHNOLOGY, LLCInventors: Karl J. Molnar, Kambiz Zangi, Leonid Krasny, Stephen Grant, Jonas B. Karlsson
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Patent number: 9961674Abstract: A method and a radio base station for interleaving control channel data to be transmitted in a telecommunications system are described. The method comprises grouping the control channel elements CCE1-CCEn into a first order of control channel symbol groups, adding symbol groups comprising dummy values or zeros to the first order of control channel symbol groups based on a number of available symbol group positions for the shared control channel, interleaving the first order of the control channel symbol groups resulting in an a second order, and mapping the second order of control channel symbol groups to the available control channel transmission resources.Type: GrantFiled: July 7, 2016Date of Patent: May 1, 2018Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Karl J. Molnar, Jung-Fu Cheng, Stefan Parkvall
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Publication number: 20180026761Abstract: A radio base station, user equipment (UE), and method of control signaling in wireless communication systems. Control information is transferred from a base station to at least one UE, via a plurality of common pilot channels. A set of unique pilot sequences is predefined, and the base station assigns specific pilot sequences from the set of pilot sequences to specific common pilot channels, forming a pilot sequence assignment pattern representing specific control information. The UE, having knowledge of the relations between pilot sequence assignment patterns and control information, interprets the received pilot sequence assignment pattern as specific control information. The method is particularly well suited for broadcast type control information.Type: ApplicationFiled: September 21, 2017Publication date: January 25, 2018Inventors: Yi-Pin Eric Wang, Jung-Fu Cheng, Stephen Grant, Karl J. Molnar, Leonid Krasny
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Patent number: 9813211Abstract: A radio base station, user equipment (UE), and method of control signaling in wireless communication systems. Control information is transferred from a base station to at least one UE, via a plurality of common pilot channels. A set of unique pilot sequences is predefined, and the base station assigns specific pilot sequences from the set of pilot sequences to specific common pilot channels, forming a pilot sequence assignment pattern representing specific control information. The UE, having knowledge of the relations between pilot sequence assignment patterns and control information, interprets the received pilot sequence assignment pattern as specific control information. The method is particularly well suited for broadcast type control information.Type: GrantFiled: November 20, 2014Date of Patent: November 7, 2017Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Yi-Pin Eric Wang, Jung-Fu Cheng, Stephen Grant, Karl J. Molnar, Leonid Krasny
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Publication number: 20160329944Abstract: A communication device is described herein that has control (or at least partial control) over which virtual antenna(s) in one or more base stations to use for transmissions. In one embodiment, the mobile phone performs the following steps: (1) receives an antenna subset list (from the scheduling unit) which identifies a configuration of virtual antennas that is associated with the base station(s); (2) uses the antenna subset list to select which virtual antenna(s) in the configuration of virtual antennas to use for transmissions; and (3) sends an antenna selection signal (to the scheduling unit) which contains information that instructs/requests the base station(s)/scheduling unit to use the selected virtual antenna(s) for transmissions.Type: ApplicationFiled: July 15, 2016Publication date: November 10, 2016Inventors: Karl J. Molnar, Kambiz Zangi, Leonid Krasny, Stephen Grant, Jonas B. Karlsson
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Publication number: 20160323864Abstract: A method and a radio base station for interleaving control channel data to be transmitted in a telecommunications system are described. The method comprises grouping the control channel elements CCE1-CCEn into a first order of control channel symbol groups, adding symbol groups comprising dummy values or zeros to the first order of control channel symbol groups based on a number of available symbol group positions for the shared control channel, interleaving the first order of the control channel symbol groups resulting in an a second order, and mapping the second order of control channel symbol groups to the available control channel transmission resources.Type: ApplicationFiled: July 7, 2016Publication date: November 3, 2016Inventors: Karl J. Molnar, Jung-Fu Cheng, Stefan Parkvall
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Patent number: 9425878Abstract: A base station is described herein which implements a method that uses different aspects of reported channel quality information (CQI) measurements to help select the “best” transmit antenna(s) on which to transmit control channel information to mobile terminal(s). The base station can also transmit a format indicator to communicate the assigned control channel transmit antenna(s) and the assigned data transmit antenna(s) to the mobile terminal(s).Type: GrantFiled: January 6, 2014Date of Patent: August 23, 2016Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Karl J. Molnar, David Astely, Tomas Sundin
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Patent number: 9397874Abstract: A method and a radio base station for interleaving control channel data to be transmitted in a telecommunications system are described. The method comprises grouping the control channel elements CCE1-CCEn into a first order of control channel symbol groups, adding symbol groups comprising dummy values or zeros to the first order of control channel symbol groups based on a number of available symbol group positions for the shared control channel, interleaving the first order of the control channel symbol groups resulting in an a second order, and mapping the second order of control channel symbol groups to the available control channel transmission resources.Type: GrantFiled: June 9, 2015Date of Patent: July 19, 2016Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Karl J. Molnar, Jung-Fu Cheng, Stefan Parkvall
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Patent number: 9397731Abstract: A communication device is described herein that has control (or at least partial control) over which virtual antenna(s) in one or more base stations to use for transmissions. In one embodiment, the mobile phone performs the following steps: (1) receives an antenna subset list (from the scheduling unit) which identifies a configuration of virtual antennas that is associated with the base station(s); (2) uses the antenna subset list to select which virtual antenna(s) in the configuration of virtual antennas to use for transmissions; and (3) sends an antenna selection signal (to the scheduling unit) which contains information that instructs/requests the base station(s)/scheduling unit to use the selected virtual antenna(s) for transmissions.Type: GrantFiled: November 21, 2014Date of Patent: July 19, 2016Assignee: OPTIS CELLULAR TECHNOLOGY, LLCInventors: Karl J. Molnar, Kambiz Zangi, Leonid Krasny, Stephen Grant, Jonas B. Karlsson
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Publication number: 20150312075Abstract: A method and a radio base station for interleaving control channel data to be transmitted in a telecommunications system are described. The method comprises grouping the control channel elements CCE1-CCEn into a first order of control channel symbol groups, adding symbol groups comprising dummy values or zeros to the first order of control channel symbol groups based on a number of available symbol group positions for the shared control channel, interleaving the first order of the control channel symbol groups resulting in an a second order, and mapping the second order of control channel symbol groups to the available control channel transmission resources.Type: ApplicationFiled: June 9, 2015Publication date: October 29, 2015Inventors: Karl J. Molnar, Jung-Fu Cheng, Stefan Parkvall
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Patent number: 9130706Abstract: A wireless communication receiver receiving a multiplexed signal comprising two or more signal streams calculates a received signal quality for the multiplexed signal as a function of stream-specific received signal qualities, determines one or more loss parameters indicative of variations in the stream-specific received signal qualities, and generates quality feedback based on such information. In turn, a transmitter controls the selection of one or more transmission parameters of the multiplexed signal based on the quality feedback, such that its transmit link adaptations account for the losses in received signal quality at the receiver arising from the variations in the stream-specific received signal qualities. The quality feedback may include calculated loss values, or parameter/penalties that permit loss calculation, and the method applies to both code multiplexing and spatial multiplexing.Type: GrantFiled: May 26, 2005Date of Patent: September 8, 2015Assignee: Unwired Planet, LLCInventors: Stephen J. Grant, Jung-fu Thomas Cheng, Karl J. Molnar, Yi-Pin Eric Wang, Rajaram Ramesh
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Publication number: 20150229436Abstract: A wireless communication receiver receiving a multiplexed signal comprising two or more signal streams calculates a received signal quality for the multiplexed signal as a function of stream-specific received signal qualities, determines one or more loss parameters indicative of variations in the stream-specific received signal qualities, and generates quality feedback based on such information. In turn, a transmitter controls the selection of one or more transmission parameters of the multiplexed signal based on the quality feedback, such that its transmit link adaptations account for the losses in received signal quality at the receiver arising from the variations in the stream-specific received signal qualities. The quality feedback may include calculated loss values, or parameter/penalties that permit loss calculation, and the method applies to both code multiplexing and spatial multiplexing.Type: ApplicationFiled: April 22, 2015Publication date: August 13, 2015Inventors: Stephen J. Grant, Jung-fu Thomas Cheng, Karl J. Molnar, Yi-Pin Eric Wang, Rajaram Ramesh
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Publication number: 20150078311Abstract: A radio base station, user equipment (UE), and method of control signaling in wireless communication systems. Control information is transferred from a base station to at least one UE, via a plurality of common pilot channels. A set of unique pilot sequences is predefined, and the base station assigns specific pilot sequences from the set of pilot sequences to specific common pilot channels, forming a pilot sequence assignment pattern representing specific control information. The UE, having knowledge of the relations between pilot sequence assignment patterns and control information, interprets the received pilot sequence assignment pattern as specific control information. The method is particularly well suited for broadcast type control information.Type: ApplicationFiled: November 20, 2014Publication date: March 19, 2015Inventors: Yi-Pin Eric Wang, Jung-Fu Cheng, Stephen Grant, Karl J. Molnar, Leonid Krasny
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Publication number: 20150080005Abstract: A communication device is described herein that has control (or at least partial control) over which virtual antenna(s) in one or more base stations to use for transmissions. In one embodiment, the mobile phone performs the following steps: (1) receives an antenna subset list (from the scheduling unit) which identifies a configuration of virtual antennas that is associated with the base station(s); (2) uses the antenna subset list to select which virtual antenna(s) in the configuration of virtual antennas to use for transmissions; and (3) sends an antenna selection signal (to the scheduling unit) which contains information that instructs/requests the base station(s)/scheduling unit to use the selected virtual antenna(s) for transmissions.Type: ApplicationFiled: November 21, 2014Publication date: March 19, 2015Inventors: Karl J. Molnar, Kambiz Zangi, Leonid Krasny, Stephen Grant, Jonas B. Karlsson
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Patent number: 8897834Abstract: A communication device is described herein that has control (or at least partial control) over which virtual antenna(s) in one or more base stations to use for transmissions. In one embodiment, the mobile phone performs the following steps: (1) receives an antenna subset list (from the scheduling unit) which identifies a configuration of virtual antennas that is associated with the base station(s); (2) uses the antenna subset list to select which virtual antenna(s) in the configuration of virtual antennas to use for transmissions; and (3) sends an antenna selection signal (to the scheduling unit) which contains information that instructs/requests the base station(s)/scheduling unit to use the selected virtual antenna(s) for transmissions.Type: GrantFiled: November 9, 2011Date of Patent: November 25, 2014Assignee: Optis Cellular Technology, LLCInventors: Karl J. Molnar, Kambiz Zangi, Leonid Krasny, Stephen Grant, Jonas B. Karlsson
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Publication number: 20140219190Abstract: A base station is described herein which implements a method that uses different aspects of reported channel quality information (CQI) measurements to help select the “best” transmit antenna(s) on which to transmit control channel information to mobile terminal(s). The base station can also transmit a format indicator to communicate the assigned control channel transmit antenna(s) and the assigned data transmit antenna(s) to the mobile terminal(s).Type: ApplicationFiled: January 6, 2014Publication date: August 7, 2014Applicant: Telefonaktiebolaget L M Ericsson (PUBL)Inventors: Karl J. Molnar, David Astely, Tomas Sundin
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Patent number: 8605838Abstract: Interference is estimated in an Orthogonal Frequency Division Multiplexing system by receiving at a wireless receiver pilot symbols and data symbols transmitted in time and frequency via resource blocks, detecting a first one of the data symbols transmitted to the wireless receiver via a time-frequency resource element of a first one of the resource blocks and identifying a second one of the resource blocks adjacent the first resource block having related interference parameters. The interference is estimated based on the pilot symbols transmitted via the first resource block and the pilot symbols transmitted via the second resource block.Type: GrantFiled: September 16, 2010Date of Patent: December 10, 2013Assignee: Telefonaktiebolaget L M Ericsson (Publ)Inventors: Karl J. Molnar, George Jöngren
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Patent number: 8295329Abstract: A symbol detector converts initial symbol estimates of received symbols to soft estimates for decoding. The symbol detector computes spreading waveform correlations between a spreading waveform for a symbol of interest and spreading waveforms for one or more interfering symbols. Interference rejection terms are computed by scaling the spreading waveform correlations by corresponding signal powers and compensating for noise. A soft scaling factor for the symbol of interest is computed from the interference rejection terms. The soft scaling factors are then applied to the initial symbol estimates to generate the soft estimates.Type: GrantFiled: September 6, 2007Date of Patent: October 23, 2012Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Douglas A. Cairns, Gregory E. Bottomley, Karl J. Molnar
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Patent number: 8249518Abstract: In a selective MIMO system, the mobile station provides channel quality feedback for one or more possible transmission mode. The mobile station provides channel quality feedback for a first mode regardless of channel conditions and determines whether to provide feedback for one or more additional modes based on current channel conditions.Type: GrantFiled: October 19, 2005Date of Patent: August 21, 2012Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Stephen J. Grant, Jung-Fu Cheng, Yi-Pin Eric Wang, Karl J. Molnar, Leonld Krasny