Patents Assigned to Ofinno Technologies, LLC
  • Cell timing in a wireless device and base station
    Patent number: 8989128
    Abstract: A wireless device receives a control message configuring cell groups comprising a primary cell group and a secondary cell group. The wireless device receives a timing advance command comprising a time adjustment value and an index identifying the secondary cell group. The wireless device applies the time adjustment value to uplink transmission timing of the secondary cell group. The wireless device triggers an action in response to detecting a difference between primary cell group timing and secondary cell group timing, the difference being greater than a threshold.
    Type: Grant
    Filed: April 14, 2013
    Date of Patent: March 24, 2015
    Assignee: Ofinno Technologies, LLC
    Inventor: Esmael Hejazi Dinan
  • Automobile data transmission
    Patent number: 8989089
    Abstract: A device transmits automobile data to a server in a communication network. The device records the automobile data obtained from a plurality of sensors installed in the automobile. The device transmits a random access preamble on a first plurality of subcarriers of an uplink carrier to a base station, when a pre-defined condition is met. The device encrypts the automobile data using a first encryption key and transmits the encrypted automobile data to a server via a base station. The base station decrypts the automobile data before forwarding it to the server.
    Type: Grant
    Filed: May 23, 2012
    Date of Patent: March 24, 2015
    Assignee: Ofinno Technologies, LLC
    Inventor: Esmael Dinan
  • Random access in networks with carrier aggregation
    Patent number: 8982852
    Abstract: A wireless device configures a deactivation timer for a secondary cell in a secondary cell group. The wireless device may receive a control command initiating a random access process for the secondary cell. The wireless device may transmit a random access preamble on random access resources of the secondary cell in response to receiving the control command. The wireless device may abort the random access process on the secondary cell if the secondary cell is deactivated before the wireless device receives, on the primary cell, a random access response for the random access preamble transmission.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: March 17, 2015
    Assignee: Ofinno Technologies, LLC
    Inventor: Esmael Hejazi Dinan
  • Synchronization in base stations and wireless networks
    Patent number: 8976765
    Abstract: A base station transmits subframes of downlink carriers in a primary cell group and downlink carriers in a secondary cell group in substantial time alignment with each other. A wireless device transmits subframes of uplink carriers in the primary cell group in substantially time alignment with each other. The wireless device transmits subframes of uplink carriers in the secondary cell group in substantially time alignment with each other. The subframes transmission timing for uplink carriers in the primary cell group and in the secondary cell group employ different synchronization signals as a timing reference and different timing advance commands.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: March 10, 2015
    Assignee: Ofinno Technologies, LLC
    Inventor: Esmael Hejazi Dinan
  • Beamforming Codeword Exchange between Base Stations
    Publication number: 20150063268
    Abstract: A first base station receives from a second base station at least one message comprising beamforming information indicating at least one second beamforming codeword. The at least one second beamforming codeword has a number of rows or columns equal to or less than a number of antenna ports employed by the second base station for beamforming. The first base station selects at least one first beamforming codeword. The selection is based, at least in part, on the beamforming information. The first base station transmits employing the at least one first beamforming codeword, signals on at least one resource block.
    Type: Application
    Filed: November 1, 2014
    Publication date: March 5, 2015
    Applicant: Ofinno Technologies, LLC
    Inventor: Esmael Hejazi Dinan
  • Wireless device connection to an application server
    Patent number: 8971298
    Abstract: A base station transmits a first message to a wireless device over a primary cell group. The first message comprises a content descriptor and originates from an application server. The base station transmits to the wireless device over the primary cell group: first content packets; a control message configuring a secondary cell group; and an activation command activating one or more secondary cells in the secondary cell group. The base station transmits second content packets over the primary cell group and the secondary cell group.
    Type: Grant
    Filed: June 16, 2013
    Date of Patent: March 3, 2015
    Assignee: Ofinno Technologies, LLC
    Inventor: Esmael Hejazi Dinan
  • Uplink transmissions in a wireless device
    Patent number: 8971280
    Abstract: A wireless device receives a control command causing the wireless device to transmit a random access preamble on a random access channel of a first cell. The wireless device transmits, overlapping in time with transmission of the random access preamble, an uplink packet on a first subframe of the first cell. Transmission power of the uplink packet is calculated considering a maximum allowable transmission power in the first subframe of the first cell and the transmission power of the random access preamble.
    Type: Grant
    Filed: April 14, 2013
    Date of Patent: March 3, 2015
    Assignee: Ofinno Technologies, LLC
    Inventor: Esmael Hejazi Dinan
  • Multi-cell signals in OFDM wireless networks
    Patent number: 8971316
    Abstract: A wireless device receives control messages indicating CSI measurement resources of cells belonging to at least two base stations or belonging to at least two sectors of a base station. The wireless device measures CSI employing at least CSI measurement resources of the cells. The wireless device quantizes the measured CSI jointly across cells and encodes and transmits the jointly quantized CSI. The wireless device receives a resource assignment for data packet(s). The wireless device receives signals carrying the data packets from multiple cells.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: March 3, 2015
    Assignee: Ofinno Technologies, LLC
    Inventor: Esmael Hejazi Dinan
  • Almost blank subframe indication in wireless networks
    Patent number: 8971275
    Abstract: A base station transmits a first unicast control message configuring transmission parameters of a first carrier for a wireless device. The base station transmits at least one second unicast message configuring measurement parameters of a second carrier. The measurement configuration comprises a first and a second measurement subframe allocation bitmap for the second carrier. The base station receives first and second channel state information from the wireless device. The base station transmits data packets to the wireless device. The data packets are encoded and modulated based on the first and second channel state information.
    Type: Grant
    Filed: December 31, 2012
    Date of Patent: March 3, 2015
    Assignee: Ofinno Technologies, LLC
    Inventor: Esmael Hejazi Dinan
  • Special subframe allocation
    Patent number: 8971250
    Abstract: A first base station provides overlapping coverage area with each of a plurality of second base stations. The first base station is of a different base station type than the plurality of second base stations. Each of the plurality of second base stations transmits a message to a plurality of wireless devices in connected mode. The message comprises a subframe allocation bitmap indicating a plurality of subframes. The plurality of subframes comprises a plurality of special subframes. Base stations in the plurality of second base stations configure the same set of subframes as the plurality of special subframes.
    Type: Grant
    Filed: October 27, 2012
    Date of Patent: March 3, 2015
    Assignee: Ofinno Technologies, LLC
    Inventor: Esmael Hejazi Dinan
  • Wireless device transmission power
    Patent number: 8964593
    Abstract: A wireless device transmits a first packet in subframe n of a first cell of a first cell group and transmits a second packet in subframe n+1 of a second cell of a second cell group overlapping in time with the transmission of the first packet. The wireless device reduces a subframe transmission power of at least one of the first packet and the second packet if a power parameter is more than an allowable transmission power. A calculation for the power parameter considers transmission power of the first packet and the second packet according to a pre-configured rule.
    Type: Grant
    Filed: April 14, 2013
    Date of Patent: February 24, 2015
    Assignee: Ofinno Technologies, LLC
    Inventor: Esmael Hejazi Dinan
  • Sounding in multicarrier wireless communications
    Patent number: 8964780
    Abstract: A wireless device transmits one or more sounding reference signals in parallel with transmission of at least one of a first preamble and a first packet. The wireless device is configured to not transmit a first sounding reference signal if at least one of the following conditions is satisfied: a) the first sounding reference signal transmission and a second preamble transmission coincide in the same subframe of the same cell group, b) the wireless device has insufficient power to transmit the first sounding reference signal in parallel with at least one of a third preamble and a second packet.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: February 24, 2015
    Assignee: Ofinno Technologies, LLC
    Inventor: Esmael Hejazi Dinan
  • Random access mechanism for a wireless device and base station
    Patent number: 8964590
    Abstract: A wireless device receives at least one control message configuring a plurality of cell groups and a pathloss reference for each secondary cell in at least one secondary cell. The wireless device transmits uplink signals to a base station in a first secondary cell in a secondary cell group. Transmission power of the uplink signals is determined employing a received power of the pathloss reference assigned to the first secondary cell. Timing of the uplink signals in the secondary cell group employs a second synchronization signal on an active secondary cell in the secondary cell group as a secondary timing reference.
    Type: Grant
    Filed: March 6, 2013
    Date of Patent: February 24, 2015
    Assignee: Ofinno Technologies, LLC
    Inventor: Esmael Hejazi Dinan
  • Sounding signal in a multicarrier wireless device
    Patent number: 8964683
    Abstract: A wireless device receives message(s) configuring cell groups and transmissions of sounding reference signals. n sounding reference signals are configured to be transmitted in a subframe (n>1). The wireless device transmits at least one packet on at least one first cell in symbols of the subframe. The symbols comprise the last symbol of the subframe. The wireless device transmits a k subset of the n sounding reference signals in the last symbol (1<=k<n). The wireless device drops an m subset of the n sounding reference signals in the last symbol (1<=m<n).
    Type: Grant
    Filed: April 14, 2013
    Date of Patent: February 24, 2015
    Assignee: Ofinno Technologies, LLC
    Inventor: Esmael Hejazi Dinan
  • Uplink transmission power in a multicarrier wireless device
    Patent number: 8958342
    Abstract: A wireless device receives a message indicating transmission of a sounding reference signal in a symbol on subframe n on a first cell in a first cell group. The symbol overlaps in time with transmission of a packet on at least one of: subframe n and n+1 in a second cell in a second cell group. The wireless device transmits the sounding reference signal if a power parameter is less than a maximum allowable transmission power in the symbol. A calculation of the power parameter considers transmission power of the packet according to a pre-configured rule.
    Type: Grant
    Filed: April 14, 2013
    Date of Patent: February 17, 2015
    Assignee: Ofinno Technologies, LLC
    Inventor: Esmael Hejazi Dinan
  • Channel configuration in a wireless network
    Patent number: 8953550
    Abstract: A base station transmits a message comprising configuration parameters of first radio resources of a control channel. The first radio resources comprise one or more sets of resource blocks in a subset of subframes in a plurality of subframes. The base station transmits scheduling information on the control channel for a packet transmitted on an uplink data channel. The base station transmits a positive or negative acknowledgement on second radio resources of a feedback channel for the received packet. The second radio resources start from the first OFDM symbol of a second subframe.
    Type: Grant
    Filed: March 1, 2014
    Date of Patent: February 10, 2015
    Assignee: Ofinno Technologies, LLC
    Inventor: Esmael Hejazi Dinan
  • Efficient special subframe allocation
    Patent number: 8937918
    Abstract: A base station transmits a message to a plurality of wireless devices in connected mode. The message comprises a subframe allocation bitmap indicating a plurality of subframes. The plurality of subframes comprises a plurality of special subframes. During majority of symbols of a special subframe of a base station, no signal is transmitted by the base station or signals are transmitted at a special subframe power level that is different from a transmit power during a non-special subframe.
    Type: Grant
    Filed: October 29, 2012
    Date of Patent: January 20, 2015
    Assignee: Ofinno Technologies, LLC
    Inventor: Esmael Hejazi Dinan
  • Uplink transmission timing advance in a wireless device and base station
    Patent number: 8934438
    Abstract: A wireless device updates a first timing advance of a secondary cell group employing first timing advance command(s) for the secondary cell group. The wireless device stores the first timing advance upon expiry of an associated time alignment timer. The wireless device receives a second timing advance command for the secondary cell group with a timing advance value of zero. The second timing advance command starts the associated time alignment timer. The wireless device transmits uplink signals in radio resources identified in a received uplink grant employing the stored first timing advance.
    Type: Grant
    Filed: March 6, 2013
    Date of Patent: January 13, 2015
    Assignee: Ofinno Technologies, LLC
    Inventor: Esmael Hejazi Dinan
  • Special subframe allocation in heterogeneous network
    Patent number: 8929215
    Abstract: A first base station provides overlapping coverage area with second base stations and third base stations. Second base stations allow regular access to wireless devices and configure a second plurality of special subframes. Second base stations configure the same set of subframes as the second plurality of special subframes. Third base stations allow regular access to a restricted subset of wireless devices and configure a third plurality of special subframes. At least two base stations in the third base stations configure different set of subframes as the second plurality of special subframes.
    Type: Grant
    Filed: October 28, 2012
    Date of Patent: January 6, 2015
    Assignee: Ofinno Technologies, LLC
    Inventor: Esmael Hejazi Dinan
  • Handover signaling for beamforming communications
    Patent number: 8913592
    Abstract: A serving base station transmits a message to one or more target base station in response to a handover decision for a wireless device supporting beamforming and multiple carrier configurations. The message includes a plurality of measurement configuration parameters for the wireless device. The serving base station receives a response from at least one of the target base stations. The serving base station transmits a handover command to the wireless device subsequent to receiving the response message.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: December 16, 2014
    Assignee: Ofinno Technologies, LLC
    Inventor: Esmael Hejazi Dinan