61
Esmael Hejazi Dinan: Uplink transmission timing advance in a wireless device and base station. Ofinno Technologies, Esmael Dinan, David Grossman, August 9, 2016: US09414340 (23 worldwide citation)

A base station transmits to a wireless device at least one timing-advance command (TAC) for a secondary cell group. Each of the at least one TAC includes a timing-advance value (TAV) to be employed by the wireless device to update a first TAV. The base station transmits, to the wireless device and a ...


62
Esmael Hejazi Dinan: Transmission timing in a carrier group. Ofinno Technologies, Esmael Dinan, David Grossman, July 12, 2016: US09391824 (23 worldwide citation)

Transmission timing of a random access preamble in an uplink carrier of a carrier group being determined employing a synchronization signal transmitted on a downlink carrier of the carrier group. The wireless device receives a time alignment command from the base station. The time alignment command ...


63
Esmael Hejazi Dinan: Carrier grouping in multicarrier communications. Ofinno Technologies, Esmael Dinan, David Grossman, May 6, 2014: US08717866 (23 worldwide citation)

A wireless device receives a message assigning each second carrier to one of a first carrier group and second carrier group(s). The message comprises parameters for each second carrier. If the parameters comprise a carrier group index for a second carrier, the second carrier is assigned to one of th ...


64
Esmael Hejazi Dinan: Radio access for a wireless device and base station. Ofinno Technologies, Esmael Dinan, David Grossman, December 22, 2015: US09220116 (23 worldwide citation)

A wireless device receives control message(s) configuring a plurality of cell groups comprising a first cell group and a second cell group. The wireless device transmits, as a part of a random access process, a first random access preamble in the second cell group. The wireless device aborts the ran ...


65
Esmael Hejazi Dinan: Sounding in multicarrier wireless communications. Ofinno Technologies, Esmael Dinan, David Grossman, December 15, 2015: US09215051 (23 worldwide citation)

A wireless device transmits one of the sounding reference signals (SRSs) on a first cell in a first cell group in parallel with transmission a first random access preamble. The wireless device drops transmission of a first SRS if the first SRS transmission and a second random access preamble transmi ...


66
Esmael Hejazi Dinan: Random access failure in wireless device multiple timing advance groups. Ofinno Technologies, Esmael Dinan, David Grossman, December 8, 2015: US09210667 (23 worldwide citation)

A wireless device receives a control command to transmit a random access preamble on a first secondary cell. The wireless device repeatedly transmits the random access preamble until a random access response corresponding to the random access preamble is received or a predetermined number of transmi ...


67
Esmael Hejazi Dinan: Handover in multicarrier wireless networks. Ofinno Technologies, Esmael Dinan, David Grossman, May 21, 2013: US08446844 (20 worldwide citation)

A serving base station transmits at least one message to configure at least one backward compatible carrier and at least one non-backward compatible carrier in a wireless device. The serving base station transmits, in response to the serving base station making a handover decision, a second message ...


68
Esmael Hejazi Dinan: Sounding reference signal transmission. Ofinno Technologies, Esmael Dinan, David Grossman, January 7, 2014: US08625524 (18 worldwide citation)

A first transmission of sounding reference signals is on a first cell of a first cell group in parallel with transmission of at least one of a first random access preamble in a second cell group, and a first uplink packet on a second cell. The wireless device drops a second transmission of sounding ...


69
Esmael Hejazi Dinan: Control and data channel radio resource configuration in an OFDM network. Ofinno Technologies, Esmael Dinan, David Grossman, April 15, 2014: US08699449 (16 worldwide citation)

A base station transmits first scheduling information on a first control channel for a first packet communicated with a first wireless device. First radio resources of the first control channel start from the first OFDM symbol of each subframe. The base station transmits a radio resource control (RR ...


70
Esmael Hejazi Dinan: Radio resource configuration. Ofinno Technologies, Esmael Dinan, David Grossman, September 3, 2013: US08526393 (16 worldwide citation)

A base station transmits a control message to a wireless device to configure 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 control message indicates configuration of the sub ...