Patents by Inventor Fredrik Ovesjö
Fredrik Ovesjö 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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Publication number: 20210075524Abstract: There is provided mechanisms for reporting a faulty antenna port at a transmitting radio device. A method is performed by a receiving radio device. The method comprises receiving at least one reference signal transmitted at an antenna port of the transmitting radio device. The method comprises determining whether the antenna port is deemed faulty or not by subjecting the at least one reference signal to an evaluation criterion. The method comprises transmitting, when the antenna port is deemed faulty, a report to the transmitting radio device. The report indicates that the antenna port is deemed faulty.Type: ApplicationFiled: November 11, 2020Publication date: March 11, 2021Inventors: Erik Larsson, Mattias Frenne, Bo Göransson, Fredrik Ovesjö, Paul Peter Von Butovitsch
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Patent number: 10904880Abstract: There is disclosed a method of operating a network node in a Radio Access Network. The method includes transmitting a downlink control information message, the downlink control information message having a slot allocation indication and a symbol allocation indication. The slot allocation indication indicates a slot aggregation having a plurality of slots being allocated for communication to at least one user equipment, wherein each slot com includes prises a plurality of symbols. The symbol allocation indication indicates allocation of symbols to at least one channel according to an allocation pattern for two or more of the plurality of slots. The disclosure also pertains to related methods and devices.Type: GrantFiled: March 24, 2017Date of Patent: January 26, 2021Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Robert Baldemair, Daniel Chen Larsson, Fredrik Ovesjö
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Publication number: 20210014859Abstract: There is disclosed a method of operating a network node in a Radio Access Network. The method includes transmitting a downlink control information message, the downlink control information message having a slot allocation indication and a symbol allocation indication. The slot allocation indication indicates a slot aggregation having a plurality of slots being allocated for communication to at least one user equipment, wherein each slot com includes prises a plurality of symbols. The symbol allocation indication indicates allocation of symbols to at least one channel according to an allocation pattern for two or more of the plurality of slots. The disclosure also pertains to related methods and devices.Type: ApplicationFiled: September 23, 2020Publication date: January 14, 2021Inventors: Robert BALDEMAIR, Daniel CHEN LARSSON, Fredrik OVESJÖ
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Patent number: 10893462Abstract: A disclosed method is implemented by a network node in a wireless communication network to transmitting system information to a plurality of wireless terminals. The network node transmits a first group of system information blocks (SIBs) via a first physical channel, and transmits a second group of additional SIBs via a different, second physical channel A corresponding network node operative to implement the method is also disclosed. Another disclosed method is implemented by a wireless terminal in a wireless communication network. The wireless terminal processes information received from a base station over a first physical channel to identify a first group of SIBs, and processes information received from the base station over a different, second physical channel to identify a second group of additional SIBs. A corresponding wireless terminal operative to implement the method is also disclosed.Type: GrantFiled: October 25, 2019Date of Patent: January 12, 2021Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Sofia Brismar, Joakim Bergström, Erik Larsson, Fredrik Ovesjö, Johan Rune
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Patent number: 10855384Abstract: There is provided mechanisms for reporting a faulty antenna port at a transmitting radio device. A method is performed by a receiving radio device. The method comprises receiving at least one reference signal transmitted at an antenna port of the transmitting radio device. The method comprises determining whether the antenna port is deemed faulty or not by subjecting the at least one reference signal to an evaluation criterion. The method comprises transmitting, when the antenna port is deemed faulty, a report to the transmitting radio device. The report indicates that the antenna port is deemed faulty.Type: GrantFiled: February 23, 2017Date of Patent: December 1, 2020Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Erik Larsson, Mattias Frenne, Bo Göransson, Fredrik Ovesjö, Paul Peter Von Butovitsch
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Publication number: 20200259629Abstract: Apparatuses and methods are disclosed for configuring periodic signals in time division duplex (TDD). In one embodiment, a method for a network node includes configuring at least one periodic signal of the WD based at least on at least one parameter, the at least one parameter corresponding to a TDD pattern. In another embodiment, a method for a WD includes communicating at least one periodic signal to the network node based at least on at least one parameter, the at least one parameter corresponding to a TDD pattern.Type: ApplicationFiled: January 11, 2019Publication date: August 13, 2020Inventors: Fredrik OVESJÖ, Robert BALDEMAIR, Sorour FALAHATI
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Publication number: 20200236653Abstract: Systems and methods for transmitting and receiving other broadcast information, OBI, are disclosed. In some embodiments, a method of operation of wireless communication device for a wireless communication system comprises receiving and decoding a transmission unit in which OBI is collocated with at least a portion of a Synchronization Signal Block (SSB). The SSB comprises a primary synchronization signal (PSS), a secondary synchronization signal (SSS), and a physical broadcast channel (PBCH). The OBI comprises paging messages, remaining minimum system information (RMSI), and/or random access response (RAR) messages. In some embodiments, the transmission unit is a transmission unit having a duration that is two or more symbols but less than a duration of a full slot. In this manner, resources of the wireless communication system are efficiently utilized, which results in higher link and system capacity as well as lower network power consumption from increased stand-by times.Type: ApplicationFiled: April 3, 2020Publication date: July 23, 2020Inventors: Magnus Åström, Robert Baldemair, Pål Frenger, Fredrik Ovesjö
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Patent number: 10660051Abstract: A method and system for mapping a transmit power control, TPC, command in a time slot of a radio frame to be transmitted to at least one wireless device on a downlink are provided. According to one aspect, a method includes transmitting a TPC command in one of a first and second slot within a slot cycle of the radio frame, the TPC symbol position used being for performing the mapping of the TPC command based on a configured slot format.Type: GrantFiled: October 19, 2016Date of Patent: May 19, 2020Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Fredrik Ovesjö, Erik Larsson, Gerardo Medina Acosta
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Patent number: 10652856Abstract: Systems and methods for transmitting and receiving other broadcast information, OBI, are disclosed. In some embodiments, a method of operation of wireless communication device for a wireless communication system comprises receiving and decoding a transmission unit in which OBI is collocated with at least a portion of a Synchronization Signal Block (SSB). The SSB comprises a primary synchronization signal (PSS), a secondary synchronization signal (SSS), and a physical broadcast channel (PBCH). The OBI comprises paging messages, remaining minimum system information (RMSI), and/or random access response (RAR) messages. In some embodiments, the transmission unit is a transmission unit having a duration that is two or more symbols but less than a duration of a full slot. In this manner, resources of the wireless communication system are efficiently utilized, which results in higher link and system capacity as well as lower network power consumption from increased stand-by times.Type: GrantFiled: June 13, 2018Date of Patent: May 12, 2020Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Magnus Åström, Robert Baldemair, Pål Frenger, Fredrik Ovesjö
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Publication number: 20200107248Abstract: A disclosed method is implemented by a network node in a wireless communication network to transmitting system information to a plurality of wireless terminals. The network node transmits a first group of system information blocks (SIBs) via a first physical channel, and transmits a second group of additional SIBs via a different second physical channel. A corresponding network node operative to implement the method is also disclosed. Another disclosed method is implemented by a wireless terminal in a wireless communication network. The wireless terminal processes information received from a base station over a different second physical channel to identify a first group of SIBs, and process information received from the base station over a different, second physical channel to identify a second group of additional SIBs. A corresponding wireless terminal operative to implement the method is also disclosed.Type: ApplicationFiled: October 25, 2019Publication date: April 2, 2020Inventors: Sofia Brismar, Joakim Bergström, Erik Larsson, Fredrik OVESJÖ, Johan Rune
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Publication number: 20200029312Abstract: According to some embodiments, a method in a wireless device comprises: receiving a control channel (e.g., physical downlink control channel (PDCCH)) that includes control information that indicates a set of time and frequency resources allocated for the wireless device to receive a data transmission; determining that the set of time and frequency resources allocated for data transmission overlaps with a control resource region (e.g., control resource set (CORESET)); and receiving the data transmission in the set of time and frequency resources allocated for data transmission. The control information may include a bitmap that indicates at one or more groups of time and frequency resources excluded/included for the data transmission region.Type: ApplicationFiled: February 6, 2018Publication date: January 23, 2020Inventors: Sorour FALAHATI, Rober BALDEMAIR, Jung-Fu CHENG, Carola FARONIUS, Havish KOORAPATY, Fredrik OVESJÖ, Stefan PARKVALL, Christian SKÄRBY
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Patent number: 10531408Abstract: A method in a radio network controller (130) is disclosed. The method comprises determining (1204) a decimation factor for a transmit power control (TPC) algorithm, the TPC algorithm comprising a power control algorithm according to which TPC commands for controlling a transmit power of a wireless device (110) are discontinuously transmitted to the wireless device by a network node (115), the decimation factor indicating a predefined number of slots, wherein one out of the predefined number of slots is for transmitting a TPC command to the wireless device; upon determining the decimation factor for the TPC algorithm, modifying (1208) one or more parameters related to TPC to optimize TPC using the TPC algorithm having the determined decimation factor; and configuring (1212) the network node to control the transmit power of the wireless device according to the TPC algorithm and the one or more modified parameters.Type: GrantFiled: June 23, 2016Date of Patent: January 7, 2020Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Erik Larsson, Gerardo Agni Medina Acosta, Fredrik Ovesjö
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Patent number: 10492190Abstract: A first one of a wireless communication device (22) and a base station (20) performs a method for applying a change to a configuration or state of a radio bearer. The radio bearer supports the transfer of data over a radio connection between the wireless communication device (22) and the base station (20) with defined data transfer characteristics. The method includes performing a handshake with a second one of the wireless communication device (22) and the base station (20) to agree on a time to synchronously apply the change at the wireless communication device (22) and the base station (20). The method also includes, in accordance with the agreement, synchronously applying the change at that time.Type: GrantFiled: November 18, 2016Date of Patent: November 26, 2019Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Waikwok Kwong, Alessandro Caverni, Bo Hellander, Patrik Karlsson, Fredrik Ovesjö, Jose Luis Pradas
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Patent number: 10462730Abstract: A disclosed method is implemented by a network node in a wireless communication network to transmitting system information to a plurality of wireless terminals. The network node transmits a first group of system information blocks (SIBs) via a first physical channel, and transmits a second group of additional SIBs via a different, second physical channel. A corresponding network node operative to implement the method is also disclosed. Another disclosed method is implemented by a wireless terminal in a wireless communication network. The wireless terminal processes information received from a base station over a first physical channel to identify a first group of SIBs, and processes information received from the base station over a different, second physical channel to identify a second group of additional SIBs. A corresponding wireless terminal operative to implement the method is also disclosed.Type: GrantFiled: April 5, 2018Date of Patent: October 29, 2019Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Sofia Brismar, Joakim Bergström, Erik Larsson, Fredrik Ovesjö, Johan Rune
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Patent number: 10412708Abstract: A NodeB for a WCDMA system, arranged to transmit instructions to a UE for the UE's uplink transmissions. The NodeB is arranged to transmit the instructions on a dedicated downlink physical channel which the NodeB is arranged to use for transmissions to a plurality of UEs and which comprises a plurality of radio frames, where each radio frame comprises a number of slots and each slot comprises a number of WCDMA symbols. The instructions to the UE comprise Transmit Power Commands as well as other instructions to the UE for the UE's uplink transmissions. The NodeB is arranged to use a first WCDMA slot format for the TPC commands to the UE and a second WCDMA slot format for the other instructions to the UE.Type: GrantFiled: August 19, 2011Date of Patent: September 10, 2019Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Erik Larsson, Johan Bergman, Bo Göransson, Johan Hultell, Niklas Johansson, Fredrik Ovesjö
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Patent number: 10356806Abstract: A method, in a network node, for transmitting data in a heterogeneous network cellular communication system comprises transmitting of a SFN pilot signal (262). A SFN pilot signal is a pilot signal transmitted by all radio units of a heterogeneous network cell. Optionally, configuration information about non-SFN pilot signals in a cell of the network node is transmitted (260). Non-SFN pilot signals are pilot signals transmitted by less than all radio units of a heterogeneous network cell. The non-SFN pilot signal is transmitted (264). A control channel signal is transmitted (270) on a control channel and a data channel signal associated with the transmitted control channel signal is transmitted (280) on a data channel. A network node operable therefore is also presented. A method for receiving data in a heterogeneous network cellular communication system and a wireless device operable therefore are also presented.Type: GrantFiled: January 7, 2014Date of Patent: July 16, 2019Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Yi-Pin Eric Wang, Patrik Karlsson, Sairamesh Nammi, Fredrik Ovesjö
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Publication number: 20190215831Abstract: There is disclosed a method of operating a network node in a Radio Access Network. The method includes transmitting a downlink control information message, the downlink control information message having a slot allocation indication and a symbol allocation indication. The slot allocation indication indicates a slot aggregation having a plurality of slots being allocated for communication to at least one user equipment, wherein each slot com includes prises a plurality of symbols. The symbol allocation indication indicates allocation of symbols to at least one channel according to an allocation pattern for two or more of the plurality of slots. The disclosure also pertains to related methods and devices.Type: ApplicationFiled: March 24, 2017Publication date: July 11, 2019Inventors: Robert BALDEMAIR, Daniel CHEN LARSSON, Fredrik OVESJÖ
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Publication number: 20190200355Abstract: There is disclosed a method of operating a network node in a Radio Access Network. The method includes transmitting a downlink control information message, the downlink control information message having a slot allocation indication and a symbol allocation indication. The slot allocation indication indicates a slot aggregation having a plurality of slots being allocated for communication to at least one user equipment, each slot including a plurality of symbols. The symbol allocation indication indicates allocation of symbols to at least one channel according to an allocation pattern for two or more of the plurality of slots. The disclosure also pertains to related methods and devices.Type: ApplicationFiled: March 5, 2019Publication date: June 27, 2019Inventors: Robert BALDEMAIR, Daniel CHEN LARSSON, Fredrik OVESJÖ
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Publication number: 20180376454Abstract: Systems and methods for transmitting and receiving other broadcast information, OBI, are disclosed. In some embodiments, a method of operation of wireless communication device for a wireless communication system comprises receiving and decoding a transmission unit in which OBI is collocated with at least a portion of a Synchronization Signal Block (SSB). The SSB comprises a primary synchronization signal (PSS), a secondary synchronization signal (SSS), and a physical broadcast channel (PBCH). The OBI comprises paging messages, remaining minimum system information (RMSI), and/or random access response (RAR) messages. In some embodiments, the transmission unit is a transmission unit having a duration that is two or more symbols but less than a duration of a full slot. In this manner, resources of the wireless communication system are efficiently utilized, which results in higher link and system capacity as well as lower network power consumption from increased stand-by times.Type: ApplicationFiled: June 13, 2018Publication date: December 27, 2018Inventors: Magnus Åström, Robert Baldemair, Pål Frenger, Fredrik Ovesjö
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Publication number: 20180302846Abstract: A disclosed method is implemented by a network node in a wireless communication network to transmitting system information to a plurality of wireless terminals. The network node transmits a first group of system information blocks (SIBs) via a first physical channel, and transmits a second group of additional SIBs via a different, second physical channel. A corresponding network node operative to implement the method is also disclosed. Another disclosed method is implemented by a wireless terminal in a wireless communication network. The wireless terminal processes information received from a base station over a first physical channel to identify a first group of SIBs, and processes information received from the base station over a different, second physical channel to identify a second group of additional SIBs. A corresponding wireless terminal operative to implement the method is also disclosed.Type: ApplicationFiled: April 5, 2018Publication date: October 18, 2018Inventors: Sofia Brismar, Joakim BERGSTRÖM, Erik LARSSON, Fredrik OVESJÖ, Johan RUNE