Patents by Inventor Armin Klomsdorf
Armin Klomsdorf 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).
-
Patent number: 11343780Abstract: The present application provides a method and a circuit for determining an additional maximum power reduction for conforming to emission requirements for dual carrier operation, where each carrier has an associated respective one of multiple different radio access technologies, and where each of the multiple different radio access technologies uses a different antenna. The method includes associating in a wireless communication device each one of at least a pair of antennas with a different radio access technology for supporting communications between the wireless communication device and at least a first wireless network. An amount of isolation is identified between the at least pair of antennas. A minimum level of the additional is maximum power reduction needed for conforming to the emission requirements is determined, based on the identified amount of isolation.Type: GrantFiled: August 15, 2019Date of Patent: May 24, 2022Assignee: Motorola Mobility LLCInventors: Armin Klomsdorf, Brian Bremer
-
Patent number: 11342958Abstract: A communication device has a controller that selects one of at least two second antennas for concurrent transmission with a first antenna. The controller monitors concurrent communication activity of a first and a second transmitter. Based on the concurrent communication activity, the controller identifies respective transmit power limits associated with intermodulation distortion (IMD) for the first antenna transmitting at the first transmit frequency and one of the at least two second antennas transmitting at the second transmit frequency. The controller identifies available total radiated power (TRP), respectively, for each of the at least two second antennas and connects the second transmitter to one of the at least two second antennas having the highest available TRP to optimize communication performance.Type: GrantFiled: March 17, 2021Date of Patent: May 24, 2022Assignee: Motorola Mobility LLCInventors: Armin Klomsdorf, Dale Schwent, Brian H. Bremer
-
Publication number: 20210384939Abstract: A communication device has a controller that selects one of at least two second antennas for concurrent transmission with a first antenna. The controller monitors concurrent communication activity of a first and a second transmitter. Based on the concurrent communication activity, the controller identifies respective transmit power limits associated with intermodulation distortion (IMD) for the first antenna transmitting at the first transmit frequency and one of the at least two second antennas transmitting at the second transmit frequency. The controller identifies available total radiated power (TRP), respectively, for each of the at least two second antennas and connects the second transmitter to one of the at least two second antennas having the highest available TRP to optimize communication performance.Type: ApplicationFiled: March 17, 2021Publication date: December 9, 2021Inventors: ARMIN KLOMSDORF, DALE SCHWENT, BRIAN H. BREMER
-
Patent number: 11172060Abstract: A communication device, method and computer program product enable improved communication performance by switching or tuning antennas based on detecting touches on edge display(s) of the communication device that has at least one antenna positioned along edges of a housing assembly. A controller monitors edge display(s) of the communication device to determine portions of the edge display(s) that are touched and associates the at least one antenna that is proximate to the portions of the edge display(s) that are touched The controller configures a radio frequency front end of the communication device to switch or tune the at least one antenna in order to provide at least one of: mitigating detrimental effects to antenna performance by the at least one antenna or remaining within regulatory limits for RF transmission exposure.Type: GrantFiled: February 13, 2021Date of Patent: November 9, 2021Assignee: Motorola Mobility LLCInventors: Farhad Farzami, Seiran Khaledian, Armin Klomsdorf
-
Publication number: 20210218428Abstract: A communication device, method, and computer program product provide an antenna subsystem including a first antenna positioned proximate to a second antenna. A radio frequency (RF) frontend includes a transmitter, a receiver, and an antenna tuning module coupled to the antenna(s). A controller is communicatively coupled to the RF frontend and a memory containing a proximal antenna association tuning (PAAT) application. The controller executes the PAAT application to enable the communication device to: (i) transmit a reference signal by the transmitter using the first antenna of the more than one antenna; (ii) measure an impedance value of the first antenna based on the transmission of the reference signal; (iii) identify a second antenna of the more than one antenna that is proximate to the first antenna; and (iv) tune, via the antenna tuning module, the first and the second antenna based on the impedance value of the first antenna.Type: ApplicationFiled: January 9, 2020Publication date: July 15, 2021Inventors: ARMIN KLOMSDORF, FARHAD FARZAMI, JOHN P. VITALE
-
Patent number: 11063619Abstract: A communication device, method, and computer program product provide an antenna subsystem including a first antenna positioned proximate to a second antenna. A radio frequency (RF) frontend includes a transmitter, a receiver, and an antenna tuning module coupled to the antenna(s). A controller is communicatively coupled to the RF frontend and a memory containing a proximal antenna association tuning (PAAT) application. The controller executes the PAAT application to enable the communication device to: (i) transmit a reference signal by the transmitter using the first antenna of the more than one antenna; (ii) measure an impedance value of the first antenna based on the transmission of the reference signal; (iii) identify a second antenna of the more than one antenna that is proximate to the first antenna; and (iv) tune, via the antenna tuning module, the first and the second antenna based on the impedance value of the first antenna.Type: GrantFiled: January 9, 2020Date of Patent: July 13, 2021Assignee: Motorola Mobility LLCInventors: Armin Klomsdorf, Farhad Farzami, John P. Vitale
-
Patent number: 10972145Abstract: A communication device has a controller that selects one of a second antenna and at least one alternate second antenna for concurrent transmission with a first antenna. The controller monitors concurrent communication activity of the first and the second transmitter. Based on the concurrent communication activity, the controller identifies respective transmit power limits associated with intermodulation distortion (IMD) for the first antenna transmitting at the first transmit frequency and one of the second antenna and the at least one alternate second antenna transmitting at the second transmit frequency and having respective antenna isolation levels to the first antenna. The controller identifies, available total radiated power (TRP), respectively, for the second antenna and the at least one alternate second antenna and connects the second transmitter to one of the second antenna and the at least one alternate second antenna having the highest available TRP to optimize communication performance.Type: GrantFiled: June 6, 2020Date of Patent: April 6, 2021Assignee: Motorola Mobility LLCInventors: Armin Klomsdorf, Dale Schwent, Brian H. Bremer
-
Patent number: 10972052Abstract: The present application provides a pre-signal amplifier, supply power conditioning apparatus, a wireless communication device and a method for providing selective pre-signal amplifier, supply power conditioning. A selective voltage supply boost stage is included, which has an input coupled to a voltage supply source for receiving a voltage supply, and an output for producing a selectively boosted voltage supply source. A voltage boost circuit is further included having a voltage boost control input coupled to a modem for controlling when the selectively boosted voltage supply source produced at the output is boosted. When the voltage boost control input identifies at least one of one or more modes in which the modem is currently operating, that a boost to the received voltage supply is desired, the resulting selectively boosted voltage supply source produced at the output is boosted.Type: GrantFiled: February 15, 2019Date of Patent: April 6, 2021Assignee: Motorola Mobility LLCInventors: John Mura, Armin Klomsdorf, Jatin Kulkarni
-
Publication number: 20210051607Abstract: The present application provides a method and a circuit for determining an additional maximum power reduction for conforming to emission requirements for dual carrier operation, where each carrier has an associated respective one of multiple different radio access technologies, and where each of the multiple different radio access technologies uses a different antenna. The method includes associating in a wireless communication device each one of at least a pair of antennas with a different radio access technology for supporting communications between the wireless communication device and at least a first wireless network. An amount of isolation is identified between the at least pair of antennas. A minimum level of the additional is maximum power reduction needed for conforming to the emission requirements is determined, based on the identified amount of isolation.Type: ApplicationFiled: August 15, 2019Publication date: February 18, 2021Inventors: Armin Klomsdorf, Brian Bremer
-
Publication number: 20210006271Abstract: A method includes identifying a first output terminal of a radio frequency front end (RFFE) switch including a single pole input terminal and a number (N) of output terminals, the first output terminal selectively connected to a single RF band path. Each of the N output terminals is a component of a respective one of N throws of the RFFE switch, with N being greater than one. The N output terminals include the first output terminal corresponding to a first throw of the N throws and at least one additional output terminal not connected to any radio frequency (RF) band path. The at least one additional output terminal includes a second output terminal corresponding to a second throw of the N throws. The method includes forming a parallel connection between the single pole input terminal and the single RF band path. The parallel connection provides at least two parallel branches for routing RF signals being transceived between the single pole input terminal and the single RF band path.Type: ApplicationFiled: February 17, 2020Publication date: January 7, 2021Inventors: BRIAN H. BREMER, JOHN R. MURA, ARMIN KLOMSDORF
-
Patent number: 10886952Abstract: A method includes identifying a first output terminal of a radio frequency front end (RFFE) switch including a single pole input terminal and a number (N) of output terminals, the first output terminal selectively connected to a single RF band path. Each of the N output terminals is a component of a respective one of N throws of the RFFE switch, with N being greater than one. The N output terminals include the first output terminal corresponding to a first throw of the N throws and at least one additional output terminal not connected to any radio frequency (RF) band path. The at least one additional output terminal includes a second output terminal corresponding to a second throw of the N throws. The method includes forming a parallel connection between the single pole input terminal and the single RF band path. The parallel connection provides at least two parallel branches for routing RF signals being transceived between the single pole input terminal and the single RF band path.Type: GrantFiled: February 17, 2020Date of Patent: January 5, 2021Assignee: Motorola Mobility LLCInventors: Brian H. Bremer, John R. Mura, Armin Klomsdorf
-
Publication number: 20200280354Abstract: The present application provides an antenna switching circuit, a wireless communication device and a method for switching a transmit path of a transceiver between three or more antennas. The antenna switching circuit includes three or more antennas, and a switch coupled to each of the three or more antennas. The antenna switching circuit further includes a controller coupled to the switch, as well as a transceiver, which is coupled to each of the three or more antennas via the switch. Each of the coupled antennas is selectively associated with a different respective receive path of the transceiver, and the transceiver has a transmitter path that can be separately selectively coupled to any one of the three or more antennas via the switch under the control of the controller.Type: ApplicationFiled: March 1, 2019Publication date: September 3, 2020Inventors: Jatin Kulkarni, Robert Trocke, Brian Bremer, Armin Klomsdorf
-
Patent number: 10757663Abstract: A communication device, method, and computer program product provide communication quality mitigation in response to an intermodulation product resulting from concurrent transmission by first and second transmitters of a communication device. A controller is communicatively coupled to the first and second transmitters and executes an intermodulation mitigation utility that enables the communication device to monitor transmission characteristics of first and second transmitters of the communication device. The controller determines whether concurrent transmissions by the first and second transmitters create an intermodulation product having a power level at one or more frequencies that exceeds an intermodulation threshold for at least one of: (i) spurious emissions to a thirty-party receiver; and (ii) desensing a receiver of the communication device.Type: GrantFiled: October 19, 2018Date of Patent: August 25, 2020Assignee: Motorola Mobility LLCInventors: Dale Schwent, Armin Klomsdorf
-
Publication number: 20200266765Abstract: The present application provides a pre-signal amplifier, supply power conditioning apparatus, a wireless communication device and a method for providing selective pre-signal amplifier, supply power conditioning. A selective voltage supply boost stage is included, which has an input coupled to a voltage supply source for receiving a voltage supply, and an output for producing a selectively boosted voltage supply source. A voltage boost circuit is further included having a voltage boost control input coupled to a modem for controlling when the selectively boosted voltage supply source produced at the output is boosted. When the voltage boost control input identifies at least one of one or more modes in which the modem is currently operating, that a boost to the received voltage supply is desired, the resulting selectively boosted voltage supply source produced at the output is boosted.Type: ApplicationFiled: February 15, 2019Publication date: August 20, 2020Inventors: John Mura, Armin Klomsdorf, Jatin Kulkarni
-
Patent number: 10673514Abstract: A communication device, method, and computer program product provide configuring, by a controller, a switching matrix of a radio frequency (RF) frontend of the communication device to a receive antenna tuning mode. The receive antenna tuning mode communicatively couples a transmitter to a first receive antenna of one or more receive antennas. A reference signal is transmitted using the first receive antenna at a selected transmit power level setting of the transmitter. A feedback receiver measures magnitude and phase values of both a forward coupled transmission signal and a reverse coupled reflection signal of the reference signal. An impedance value of the first receive antenna is determined based on the measured magnitude and phase values and the reference signal transmitted at the selected transmit power level setting. The first receive antenna is tuned by an antenna tuning module using the impedance value.Type: GrantFiled: December 12, 2019Date of Patent: June 2, 2020Assignee: Motorola Mobility LLCInventor: Armin Klomsdorf
-
Publication number: 20200128495Abstract: A communication device, method, and computer program product provide communication quality mitigation in response to an intermodulation product resulting from concurrent transmission by first and second transmitters of a communication device. A controller is communicatively coupled to the first and second transmitters and executes an intermodulation mitigation utility that enables the communication device to monitor transmission characteristics of first and second transmitters of the communication device. The controller determines whether concurrent transmissions by the first and second transmitters create an intermodulation product having a power level at one or more frequencies that exceeds an intermodulation threshold for at least one of: (i) spurious emissions to a thirty-party receiver; and (ii) desensing a receiver of the communication device.Type: ApplicationFiled: October 19, 2018Publication date: April 23, 2020Inventors: DALE SCHWENT, ARMIN KLOMSDORF
-
Patent number: 10601451Abstract: A method includes providing a radio frequency front end (RFFE) switch including a single pole input terminal and a number (N) of output terminals. Each of the N output terminals is a component of a respective one of N throws of the RFFE switch, with N being greater than one. The N output terminals include a first output terminal corresponding to a first throw of the N throws and at least one additional output terminal not connected to any radio frequency (RF) band path. The at least one additional output terminal includes a second output terminal corresponding to a second throw of the N throws. The method includes connecting the first output terminal to a single RF band path. The method includes forming a parallel connection between the single pole input terminal and the single RF band path. The parallel connection provides at least two parallel branches for routing RF signals being transceived between the single pole input terminal and the single RF band path.Type: GrantFiled: July 2, 2019Date of Patent: March 24, 2020Assignee: Motorola Mobility LLCInventors: Brian H. Bremer, John R. Mura, Armin Klomsdorf
-
Patent number: 10524280Abstract: A method for identifying, at a communication device, operation in a dual connect operating mode that enables the communication device to concurrently communicate with a first network source and a second network source. The method including monitoring, by a controller of the communication device, a plurality of transmission characteristics of a first and second transmitter and a first receiver of the communication device. The method including determining, based on the plurality of transmission characteristics, whether concurrent transmissions by the first and second transmitters result in an intermodulation interference condition that interferes with a voice carrying signal. In response to the concurrent transmissions resulting in the intermodulation interference condition, the method including mitigating an effect of the intermodulation interference condition by rescheduling transmission of at least one data signal between a second transmitter and a second network source to a later time period.Type: GrantFiled: March 14, 2019Date of Patent: December 31, 2019Assignee: Motorola Mobility LLCInventors: Armin Klomsdorf, Dale Schwent, John R. Mura
-
Patent number: 10448342Abstract: A communication device, method, and computer program product provide communication quality mitigations for concurrently-transmitting transmitters of the multiple transmitter communication device. A controller is communicatively coupled with first and second transmitters. The controller executes a transmit power control utility that enables the communication device to monitor transmission characteristics of first and second transmitters. The controller determines whether a human is within a proximity threshold distance to the first and second transmitters. In response to determining that the human is within the proximity threshold distance, the controller determines whether concurrent transmissions by the first and second transmitters have an aggregated power level that exceeds a power threshold.Type: GrantFiled: October 19, 2018Date of Patent: October 15, 2019Assignee: Motorola Mobility LLCInventors: Dale Schwent, Armin Klomsdorf
-
Patent number: 10284244Abstract: The present application provides a radio frequency front end circuit, a wireless communication device and a method for coupling signals in support of multiple input and multiple output, and carrier aggregation for multiple frequency bands of operation between one or more transceivers and a plurality of antennas. Each antenna is associated with a respective signal from each of a first frequency band of operation and a second frequency band of operation from the one or more transceivers. The radio frequency front end circuit includes a multi-close front end switch associated with one of the plurality of antennas, where separate terminals of the multi-close front end switch are each respectively associated with the respective signal from each of the first frequency band of operation and the second frequency band of operation corresponding to the associated antenna from the one or more transceivers.Type: GrantFiled: May 24, 2018Date of Patent: May 7, 2019Assignee: Motorola Mobility LLCInventors: Jatin Kulkarni, Armin Klomsdorf