1
Mahmoud Watfa, Diana Pani, Paul Marinier, Marian Rudolf, Pascal M Adjakple, Stephen E Terry: Methods, apparatus and systems for applying almost blank subframe (ABS) patterns. InterDigital Patent Holdings, Eric Berkowitz, June 3, 2014: US08743723 (9 worldwide citation)

Methods, apparatus, and systems using almost blank subframes patterns are disclosed. Different ABS patterns and triggers are described for enabling a wireless transmit/receive unit (WTRU) to obtain ABS patterns. One representative method of scheduling operations by a wireless transmit/receive unit ( ...


2
Mahmoud Watfa, Behrouz Aghili, Ulises Olvera Hernandez: Method and apparatus for transmitting service request messages in a congested network. InterDigital Patent Holdings, Volpe and Koenig P C, April 7, 2015: US09001655 (8 worldwide citation)

A method and apparatus are described for transmitting service request messages in a congested network. In one embodiment, a message including a timer value may be received by a wireless transmit/receive unit (WTRU) having a timer that is set based on the timer value. Once the timer is activated, the ...


3
Mahmoud Watfa, Ulises Olvera Hernandez, Behrouz Aghili, Shankar Somasundaram: Method and apparatus for canceling a circuit switched fallback. InterDigital Patent Holdings, Volpe and Koenig P C, December 25, 2012: US08340023 (7 worldwide citation)

A method and apparatus may be used to cancel a communication session. The apparatus may transmit a first message to initiate a communication session and then transmit a second message that indicates a request to cancel the communication session. If the apparatus determines that there is an ongoing P ...


4
Mahmoud Watfa, Behrouz Aghili, Peter S Wang, Ulises Olvera Hernandez, Shankar Somasundaram: Method and apparatus for providing non-packet switched service in a target radio access technology network. Interdigital Patent Holdings, Volpe and Koenig P C, October 1, 2013: US08547969 (5 worldwide citation)

A method and apparatus are described for providing non-packet switched service to a target radio access technology (RAT) network. A circuit switched (CS) service notification message is received by a wireless transmit/receive unit (WTRU). If the WTRU has been allocated a valid temporary mobile subsc ...


5
Mahmoud Watfa, Behrouz Aghili, Ulises Olvera Hernandez, Nobuyuki Tamaki, Pascal M Adjakple, John Patrick Tooher, Peter S Wang: Method and apparatus for efficient signaling and usage of resources for wireless communications supporting circuit switched and packet switched sessions. InterDigital Patent Holdings, Volpe and Koenig P C, April 22, 2014: US08705445 (4 worldwide citation)

Method and apparatus efficiently signal and use resources for wireless communications supporting circuit switched (CS) and packet switched sessions (PS). Signaling and interaction between the wireless transmit/receive unit (WTRU), and various network entities, such as the Mobility Management Entity ...


6
Shamim Akbar Rahman, Ulises Olvera Hernandez, Mahmoud Watfa: Method and apparatus for media independent handover. InterDigital Technology Corporation, Volpe and Koenig P C, March 13, 2012: US08134955 (4 worldwide citation)

A method and apparatus for performing a handover are disclosed. An Internet protocol (IP) multimedia subsystem (IMS) client registers with an IMS network and establishes a media independent handover (MIH) session with an MIH application server using a session initiation protocol (SIP). The IMS clien ...


7
Mahmoud Watfa, Behrouz Aghili, Ulises Olvera Hernandez: Enhancements for operation of a timer. Interdigital Patent Holdings, Volpe and Koenig P C, December 2, 2014: US08903376 (4 worldwide citation)

A method and an apparatus for operating a timer in a wireless transmit receive unit (WTRU) are described. In one scenario, the method includes the WTRU receiving a circuit switched (CS) call request and a CS service notification, transmitting an evolved packet system mobility management service requ ...


8
Saad Ahmad, Mahmoud Watfa, Guanzhou Wang: Method and apparatus for detecting and managing user plane congestion. InterDigital Patent Holdings, Julian F Santos, February 28, 2017: US09585054 (3 worldwide citation)

A method and apparatus for managing user plane congestion in a network are disclosed. A method performed by a wireless transmit/receive unit (WTRU) for user plane congestion in a network includes receiving an indication from the network that user plane congestion exists in the network, transmitting ...


9
Guang Lu, Mahmoud Watfa, Kamel M Shaheen: Data flow mobility. InterDigital Patent Holdings, Condo Roccia Koptiw, May 26, 2015: US09042373 (3 worldwide citation)

A wireless transmit/receive unit (WTRU) may communicate using a data flow that is defined according to flow identification information (FII). The WTRU may participate in the transfer of the data flow between access networks of diverse radio access technologies. The WTRU may communicate with a mobili ...


10
Ana Lucia Pinheiro, Jean Louis Gauvreau, Rocco DiGirolamo, Joseph Murray, Christopher R Cave, Diana Pani, Behrouz Aghili, Mahmoud Watfa: Method and apparatus for supporting machine-type communications with a mobile-originated-only mode. InterDigital Patent Holdings, Volpe and Koenig P C, June 17, 2014: US08755825 (3 worldwide citation)

A method and apparatus for supporting machine-type communications (MTC) are disclosed. A wireless transmit/receive unit (WTRU) may configure itself to operate in a mobile-originated-only mode. The WTRU may perform no, or a subset of, radio resource control (RRC) idle and/or non-access stratum (NAS) ...