Patents by Inventor Cássio Ribeiro

Cássio Ribeiro 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: 11399354
    Abstract: Methods, apparatuses, and computer program products for synchronization in a network are provided. One method includes configuring a first node for joining a first synchronization group with a second node on a lowest stratum, receiving at least one synchronization signal comprising information on at least an identity of the second node, and synchronizing the first node to the first synchronization group based on the synchronization signal.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: July 26, 2022
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Juha S. Korhonen, Cassio Ribeiro
  • Patent number: 11240811
    Abstract: A method and apparatus for a transmission mode with user equipment (UE) independent physical downlink shared channel (PDSCH) scrambling for inter-cell and intra-cell PDSCH-to-PDSCH interference cancellation. A method may include configuring (610) a first identifier (e.g. first RNTI) for a first UE. The method may also include performing at least one of indicating (620) (e.g. semi-statically) a second identifier (e.g. PDSCH RNTI own) for the first UE, or indicating (630) (e.g. semi-statically) a third identifier (e.g. PDSCH RNTIJnt) for the first UE. The first identifier (e.g. first RNTI) is for at least one of operation of physical downlink control channel (PDCCH) of the first UE, or operation of PDSCH of the first UE if the second identifier (e.g. PDSCH RNTI own) is not indicated to the first UE; the second identifier (e.g. PDSCH RNTI own) is for at least one of scrambling or descrambling PDSCH of the first UE; and the third identifier (e.g.
    Type: Grant
    Filed: May 7, 2013
    Date of Patent: February 1, 2022
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Klaus Hugl, Panayiotis Papadimitriou, Cássio Ribeiro
  • Publication number: 20190045474
    Abstract: Systems, methods, apparatuses, and computer program products for controlling vehicle-to-vehicle (V2V) interference are provided. One method may include receiving, by a base station, timing information from a user equipment, and determining a timing difference between network timing at the base station and at least one of global navigation satellite system (GNSS) timing at the base station or the received timing information. The received timing information comprises at least one of a global navigation satellite system (GNSS) timing at the user equipment or a timing difference calculated based on a network timing at the user equipment and the global navigation satellite system (GNSS) timing at the user equipment.
    Type: Application
    Filed: February 3, 2017
    Publication date: February 7, 2019
    Inventors: Zexian Li, Cassio Ribeiro, Ling Yu, Jari Lindholm, Juha Korhonen
  • Patent number: 10123228
    Abstract: Systems, methods, apparatuses, and computer program products for signaling support for devices with multiple and/or flexible form factors are provided. One method includes determining, by a device having multiple forms and associated with a network, a current form or a change in the form of the device, determining new parameters according to the determined current form of the device, and reporting the new parameters to the network.
    Type: Grant
    Filed: August 15, 2013
    Date of Patent: November 6, 2018
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Martti Moisio, Osman Yilmaz, Mikko A. Uusitalo, Cassio Ribeiro, Carl Wijting
  • Patent number: 10064035
    Abstract: Systems, methods, apparatuses, and computer program products for device-to-device (D2D) resource release are provided. One method includes indicating an early release of resources allocated to a UE.
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: August 28, 2018
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Juha Sakari Korhonen, Cassio Ribeiro
  • Patent number: 9935759
    Abstract: Configuration of various radio systems may have a number of possible benefits. For example, small cell configuration may be useful for interference mitigation. A method, in certain embodiments, can include determining a virtual subframe index for a cell. The method can also include communicating the virtual subframe index for the cell by communicating a time division duplex configuration and a relative subframe offset.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: April 3, 2018
    Assignee: Nokia Technologies Oy
    Inventors: Yuantao Zhang, Haipeng Lei, Kodo Shu, Cássio Ribeiro, Xiaolong Liu
  • Publication number: 20170374634
    Abstract: Methods, apparatuses, and computer program products for synchronization in a network are provided. One method includes configuring a first node for joining a first synchronization group with a second node on a lowest stratum, receiving at least one synchronization signal comprising information on at least an identity of the second node, and synchronizing the first node to the first synchronization group based on the synchronization signal.
    Type: Application
    Filed: July 6, 2017
    Publication date: December 28, 2017
    Inventors: Juha S. KORHONEN, Cassio RIBEIRO
  • Patent number: 9706511
    Abstract: Various communication systems may benefit from an accurate detection method. The method may include determining correlation values between a first sequence of samples and at least one pre-defined sequence, detecting whether at least one first peak exists by comparing the correlation values with at least one first detection threshold. If the at least one first peak exists, the method may further include performing summing of at least a subset of the correlation values and detecting whether at least one second peak exists by comparing the summed correlation values with a second detection threshold.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: July 11, 2017
    Assignee: Nokia Technologies Oy
    Inventors: Ankit Bhamri, Zexian Li, Lars E. Lindh, Cássio Ribeiro, Panayiotis Papadimitriou
  • Patent number: 9674881
    Abstract: Device discovery may be important in a variety of communication systems including, for example, wireless communication systems. Thus, certain embodiments may provide a device to device beacon design that may provide for efficient interference management and resource allocation. For example, a method may include preparing a proximity communication request including information about a device to device communication state of a discovered user equipment or resource usage of the discovered user equipment. The method may also include transmitting the proximity communication request to a base station.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: June 6, 2017
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Zexian Li, Cassio Ribeiro, Juha Sakari Korhonen, Michal Cierny
  • Patent number: 9622249
    Abstract: An apparatus, method and system to set a control channel configuration in a response to an indication of interference in a communication system. In one embodiment, an apparatus includes a processor 520 and memory 550 including computer program code. The memory 550 and the computer program code are configured to, with the processor 520, cause the apparatus to detect interference for the apparatus operable on a communication system from another communication system, and provide an indication of the interference to a base station. The memory 550 and the computer program code are further configured to, with the processor 520, cause the apparatus to receive an indication of a relocation of at least a portion of a control channel to a protected area in response to a signal from the base station.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: April 11, 2017
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Cassio Ribeiro, Klaus Doppler, Jarkko Kneckt
  • Publication number: 20160381652
    Abstract: Various communication systems may benefit from an accurate cell detection method. The method may include determining at least one first correlation value between a first sequence of received samples and at least one pre-defined sequence, determining at least one second correlation value between a second sequence of received samples at a predetermined distance and the at least one pre-defined sequence, wherein the predetermined distance is substantially more than one symbol and substantially less than two symbols, performing summing of at least the at least one first correlation value and the at least one second correlation value to obtain at least one summed correlation value and detecting whether at least one peak exists by comparing the at least one summed correlation value with a detection threshold.
    Type: Application
    Filed: October 15, 2015
    Publication date: December 29, 2016
    Inventors: Panayiotis PAPADIMITRIOU, Ankit BHAMRI, Lars E. LINDH, Cássio RIBEIRO
  • Patent number: 9521656
    Abstract: In a non-limiting and example embodiment, a method is provided for controlling usage of prioritized radio channels, comprising: detecting (310), by a secondary user apparatus, an interference limitation of a first radio channel for which a primary user apparatus has priority over the secondary user apparatus, selecting (320), by the secondary user apparatus, the first radio channel for communication with another apparatus to a first direction after detecting the interference limitation, and selecting (330), by the secondary user apparatus, a second radio channel for communication with the other apparatus to a second direction, opposite to the first direction.
    Type: Grant
    Filed: October 4, 2011
    Date of Patent: December 13, 2016
    Assignee: Nokia Technologies Oy
    Inventors: Andrei Malkov, Antti Sorri, Cassio Ribeiro, Enrico Rantala
  • Patent number: 9509470
    Abstract: Methods, apparatuses, and computer programs for providing a flexible frequency location for a backwards compatible carrier in a communication system are provided. Embodiments of the invention enable a backwards compatible carrier segment supporting all or a subset of legacy LTE Release transmission modes to be located at an arbitrary position on the system bandwidth (BW) through a cyclic extension of reference signals, such as channel state information reference signals (CSI-RS), and/or other resource element configurations, such as interference measurement reference signals (IMRS), required for supporting PDSCH operation outside the backwards compatible carrier segment.
    Type: Grant
    Filed: March 21, 2013
    Date of Patent: November 29, 2016
    Assignee: Nokia Technologies Oy
    Inventors: Pekka Janis, Cassio Ribeiro, Klaus Hugl
  • Publication number: 20160309433
    Abstract: Various communication systems may benefit from an accurate detection method. The method may include determining correlation values between a first sequence of samples and at least one pre-defined sequence, detecting whether at least one first peak exists by comparing the correlation values with at least one first detection threshold. If the at least one first peak exists, the method may further include performing summing of at least a subset of the correlation values and detecting whether at least one second peak exists by comparing the summed correlation values with a second detection threshold.
    Type: Application
    Filed: July 27, 2015
    Publication date: October 20, 2016
    Inventors: Ankit BHAMRI, Zexian LI, Lars E. LINDH, Cássio RIBEIRO, Panayiotis PAPADIMITRIOU
  • Patent number: 9420485
    Abstract: Frame structures and signaling arrangements for interference aware scheduling may be applicable to a local area radio system to complement existing wide area cellular systems, like GSM/UMTS/HSPA/LTE. In certain embodiments a method is provided including preparing a frame for transmission in a wireless communication system. The method can also include incorporating an interference report into the frame. The interference report is directly associated with a corresponding resource. The method can further include transmitting the interference report within the frame in the wireless communication system.
    Type: Grant
    Filed: January 4, 2011
    Date of Patent: August 16, 2016
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Pekka Jänis, Cassio Ribeiro, Klaus Hugl
  • Publication number: 20160219574
    Abstract: Systems and techniques for managing the use of discovery resources in device to device communication-capable devices. A message is configured for transmission to one or more user devices by a base station to indicate permission or denial of discovery resources, and based on the message, one or more of the user devices receiving the message uses, or is inhibited from using, the resource. Indication of permission or denial may, in various embodiments designate all discovery resources in general, specific resources assigned to groups and allocated to a specific user device, or groups of resources, with permission or denial relating to all members of a group.
    Type: Application
    Filed: August 8, 2013
    Publication date: July 28, 2016
    Inventors: Cassio Ribeiro, Lars Lindh, Klaus Hugl, Juha Korhonen, Zexian Li
  • Publication number: 20160135171
    Abstract: Systems, methods, apparatuses, and computer program products for device-to-device (D2D) resource release are provided. One method includes indicating an early release of resources allocated to a UE.
    Type: Application
    Filed: November 4, 2015
    Publication date: May 12, 2016
    Inventors: Juha Sakari Korhonen, Cassio Ribeiro
  • Publication number: 20160134413
    Abstract: Configuration of various radio systems may have a number of possible benefits. For example, small cell configuration may be useful for interference mitigation. A method, in certain embodiments, can include determining a virtual subframe index for a cell. The method can also include communicating the virtual subframe index for the cell by communicating a time division duplex configuration and a relative subframe offset.
    Type: Application
    Filed: June 28, 2013
    Publication date: May 12, 2016
    Inventors: Yuantao ZHANG, Haipeng LEI, Kodo SHU, Cássio RIBEIRO, Xiaolong LIU
  • Publication number: 20160081093
    Abstract: A method and apparatus for a transmission mode with user equipment (UE) independent physical downlink shared channel (PDSCH) scrambling for inter-cell and intra-cell PDSCH-to-PDSCH interference cancellation. A method may include configuring (610) a first identifier (e.g. first RNTI) for a first UE. The method may also include performing at least one of indicating (620) (e.g. semi-statically) a second identifier (e.g. PDSCH RNTI own) for the first UE, or indicating (630) (e.g. semi-statically) a third identifier (e.g. PDSCH RNTIJnt) for the first UE. The first identifier (e.g. first RNTI) is for at least one of operation of physical downlink control channel (PDCCH) of the first UE, or operation of PDSCH of the first UE if the second identifier (e.g. PDSCH RNTI own) is not indicated to the first UE; the second identifier (e.g. PDSCH RNTI own) is for at least one of scrambling or descrambling PDSCH of the first UE; and the third identifier (e.g.
    Type: Application
    Filed: May 7, 2013
    Publication date: March 17, 2016
    Inventors: Klaus Hugl, Panayiotis Papadimitriou, Cássio Ribeiro
  • Patent number: 9232500
    Abstract: In accordance with an example embodiment of the present invention, an apparatus is disclosed that includes a resource module configured to allocate a first resource and a second resource that are at least partially synchronized in at least one of a time domain and a frequency domain in such a way that the first resource and the second resource share at least one of an overlapping frequency band and a same time slot. The apparatus also includes a transceiver configured to transmit a first signal on the first resource and receive a second signal on the second resource, wherein at least one of the first signal and the second signal is at least partially orthogonalized with respect to a third signal that is transmitted on one of the first resource and the second resource from a neighbor network device.
    Type: Grant
    Filed: November 3, 2009
    Date of Patent: January 5, 2016
    Assignee: Nokia Solutions and Networks Oy
    Inventors: Esa Tapani Tiirola, Kari Pekka Pajukoski, Cassio Ribeiro, Olav Tirkkonen