Patents by Inventor Shehzad Ali ASHRAF

Shehzad Ali ASHRAF 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).

  • Methods to Support Sidelink Retransmission
    Publication number: 20220264533
    Abstract: Embodiments include methods, performed by a network node in a wireless network, for providing resources for device-to-device wireless communication between a first user equipment (UE) and a second UE. Such methods include transmitting, to the first UE, a configuration that identifies one or more sidelink (SL) channels between the first UE and the second UE, and one or more first hybrid ARQ (HARQ) feedback modes associated with the respective one or more SL channels. Such method also include transmitting, to the first UE, resource information identifying resources usable for communicating via the one or more SL channels Other embodiments include complementary methods by a first UE that include transmitting, to the second UE, buffered data for a particular SL channel using resources that are compatible with a first HARQ mode associated with the particular SL channel. Other embodiments include network nodes and UEs configured to perform such methods.
    Type: Application
    Filed: August 13, 2020
    Publication date: August 18, 2022
    Inventors: Congchi Zhang, Ricardo Blasco Serrano, Antonino Orsino, Shehzad Ali Ashraf
  • Resource allocation for carrier aggregation
    Patent number: 11399368
    Abstract: A method in a radio device of radio resource allocation for transmitting data on a plurality of communication carriers is provided. The method includes sensing on a first carrier and obtaining a first set of candidate radio resources for a first transmission on the first carrier, performing a first selection of one or a plurality of the candidate radio resources from the first set to be used for the first transmission, sensing on a second carrier and obtaining a second set of candidate radio resources for a second transmission on the second carrier, performing a second selection of one or a plurality of the candidate radio resources from the second set to be used for the second transmission, and performing the first selection and the second selection in dependency to each other.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: July 26, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Ricardo Blasco Serrano, Shehzad Ali Ashraf, Marco Belleschi
  • Method and Apparatus For Handling Sidelink Reports
    Publication number: 20220225143
    Abstract: Various embodiments of the present disclosure provide methods and apparatuses for handling report of channel state information for sidelink. A method performed by a base station comprises receiving, from a first terminal device, at least one report indicating channel state information of at least one sidelink connection associated with the first terminal device.
    Type: Application
    Filed: March 31, 2020
    Publication date: July 14, 2022
    Inventors: Wanlu SUN, Congchi ZHANG, Zhang ZHANG, Shehzad Ali ASHRAF, Ricardo BLASCO SERRANO
  • Network architecture, methods, and devices for a wireless communications network
    Patent number: 11381445
    Abstract: Methods and apparatus in a fifth-generation wireless communications network, including an example method, in a wireless device, that includes determining a reporting quality threshold for a parameter related to channel state information (CSI); performing a measurement for each of a plurality of beams from a first predetermined set of beams for evaluation; evaluating the measurement for each of the plurality of beams against the reporting quality threshold; discontinuing the performing and evaluating of measurements in response to determining that the reporting quality threshold is met for one of the beams, such that one or more beams in the first predetermined set of beams are not measured and evaluated; and reporting, to the wireless communications network, CSI for the one of the beams.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: July 5, 2022
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Stefan Parkvall, Janne Peisa, Gunnar Mildh, Robert Baldemair, Stefan Wager, Jonas Kronander, Karl Werner, Richard Abrahamsson, Ismet Aktas, Peter Alriksson, Junaid Ansari, Shehzad Ali Ashraf, Henrik Asplund, Fredrik Athley, Håkan Axelsson, Joakim Axmon, Johan Axnäs, Kumar Balachandran, Gunnar Bark, Jan-Erik Berg, Andreas Bergström, Håkan Björkegren, Nadia Brahmi, Cagatay Capar, Anders Carlsson, Andreas Cedergren, Mikael Coldrey, Icaro L. J. da Silva, Erik Dahlman, Ali El Essaili, Ulrika Engström, Mårten Ericson, Erik Eriksson, Mikael Fallgren, Rui Fan, Gabor Fodor, Pål Frenger, Jonas Fridén, Jonas Fröberg Olsson, Anders Furuskär, Johan Furuskog, Virgile Garcia, Ather Gattami, Fredrik Gunnarsson, Ulf Gustavsson, Bo Hagerman, Fredrik Harrysson, Ning He, Martin Hessler, Kimmo Hiltunen, Songnam Hong, Dennis Hui, Jörg Huschke, Tim Irnich, Sven Jacobsson, Niklas Jaldén, Simon Järmyr, Zhiyuan Jiang, Martin Johansson, Niklas Johansson, Du Ho Kang, Eleftherios Karipidis, Patrik Karlsson, Ali S. Khayrallah, Caner Kilinc, Göran N. Klang, Sara Landström, Christina Larsson, Gen Li, Bo Lincoln, Lars Lindbom, Robert Lindgren, Bengt Lindoff, Fredrik Lindqvist, Jinhua Liu, Thorsten Lohmar, Qianxi Lu, Lars Manholm, Ivana Maric, Jonas Medbo, Qingyu Miao, Reza Moosavi, Walter Müller, Elena Myhre, Johan Nilsson, Karl Norrman, Bengt-Erik Olsson, Torgny Palenius, Sven Petersson, Jose Luis Pradas, Mikael Prytz, Olav Queseth, Pradeepa Ramachandra, Edgar Ramos, Andres Reial, Thomas Rimhagen, Emil Ringh, Patrik Rugeland, Johan Rune, Joachim Sachs, Henrik Sahlin, Vidit Saxena, Nima Seifi, Yngve Selén, Eliane Semaan, Sachin Sharma, Cong Shi, Johan Sköld, Magnus Stattin, Anders Stjernman, Dennis Sundman, Lars Sundström, Miurel Isabel Tercero Vargas, Claes Tidestav, Sibel Tombaz, Johan Torsner, Hugo Tullberg, Jari Vikberg, Peter Von Wrycza, Thomas Walldeen, Anders Wallén, Pontus Wallentin, Hai Wang, Ke Wang Helmersson, Jianfeng Wang, Yi-Pin Eric Wang, Niclas Wiberg, Emma Wittenmark, Osman Nuri Can Yilmaz, Ali Zaidi, Zhan Zhang, Zhang Zhang, Yanli Zheng
  • METHODS PROVIDING ACK/NACK FEEDBACK BASED ON REFERENCE SIGNAL RECEIVED POWER AND RELATED WIRELESS DEVICES
    Publication number: 20220191725
    Abstract: A method is provided to operate a first wireless device associated with a group including the first wireless device and a second wireless device. A data packet is received from the second wireless device of the group. A reference signal received power RSRP is measured based on a reference signal received from the second wireless device of the group. It is then determined whether or not to transmit Acknowledgement/Negative ACK/NACK feedback for the data packet based on a comparison between the RSRP and an RSRP threshold. Related wireless devices, computer programs, and computer program products are also discussed.
    Type: Application
    Filed: March 2, 2020
    Publication date: June 16, 2022
    Inventors: Shehzad Ali ASHRAF, Hieu DO
  • MULTI-STAGE SIDELINK CONTROL INFORMATION
    Publication number: 20220174649
    Abstract: A radio device receives first sidelink control information from a further radio device. Based on assistance information stored in the radio device and the received first sidelink control information, the radio device determines a configuration for transmission of second sidelink control information. Based on the determined configuration for transmission of the second sidelink control information, the radio device receives the second sidelink control information from the further radio device. Based on the received second sidelink control information, the radio device receives a sidelink radio transmission from the further radio device.
    Type: Application
    Filed: February 15, 2022
    Publication date: June 2, 2022
    Inventors: Shehzad Ali ASHRAF, Ricardo BLASCO SERRANO, Gabor FODOR, Jingya LI
  • Resource allocation in a wireless network
    Patent number: 11350411
    Abstract: A control message prospectively indicates a need of a communication device sending a data packet of a first class of data employing radio resources. The radio resources are reserved at least for the first class of data.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: May 31, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Shehzad Ali Ashraf, Nadia Brahmi
  • METHOD PERFORMED BY A USER EQUIPMENT FOR HANDLING COMMUNICATION IN A WIRELESS COMMUICATION NETWORK
    Publication number: 20220132491
    Abstract: Embodiments herein relate to a method performed by a UE (10) for handling communication in a wireless communication network. The UE (10) handles one or more data units based on a communication range requirement of one or more services, wherein the one or more data units are associated with the one or more services, by using a mapping of an indication of a communication range requirement and a radio resource for communication.
    Type: Application
    Filed: January 22, 2020
    Publication date: April 28, 2022
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Congchi ZHANG, Marco BELLESCHI, Shehzad Ali ASHRAF, Zhang ZHANG, Ricardo BLASCO SERRANO
  • Utilization of unused long-term UL assignments
    Patent number: 11304228
    Abstract: The invention refers to a method in an access node or evolved Node B, eNB, (110) for granting uplink, UL, transmission resources to one or a plurality of user equipments, UEs, (120-1, 120-2), comprising allocating an uplink transmission resource over one or a plurality of transmission time intervals, TTIs to a first UE (120-1); and granting an uplink transmission resource of a fraction of a certain TTI to a second UE (120-2), if it is detected that the uplink resource is not used for uplink transmission in the certain TTI by the first UE (120-1); the invention further refers to an corresponding eNB (110), corresponding first UE (120-1) a second UE (120-2), and corresponding methods performed in the UEs.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: April 12, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Torsten Dudda, Shehzad Ali Ashraf, John Camilo Solano Arenas
  • Methods, user equipment and base station for sidelink identification
    Patent number: 11291059
    Abstract: Methods, a user equipment (UE) and a base station are disclosed for sidelink identification. According to an embodiment, a first UE participates in an identity (ID) determination procedure such that a sidelink ID is determined for a sidelink between the first UE and a second UE. The sidelink ID comprises a full ID for identifying one of the first and second UEs and a short ID for identifying the other of the first and second UEs.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: March 29, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (Publ) Stockholm, Sweden
    Inventors: Zhang Zhang, Ricardo Blasco Serrano, Shehzad Ali Ashraf, Marco Belleschi
  • Multi-stage sidelink control information
    Patent number: 11290983
    Abstract: A radio device receives first sidelink control information from a further radio device. Based on assistance information stored in the radio device and the received first sidelink control information, the radio device determines a configuration for transmission of second sidelink control information. Based on the determined configuration for transmission of the second sidelink control information, the radio device receives the second sidelink control information from the further radio device. Based on the received second sidelink control information, the radio device receives a sidelink radio transmission from the further radio device.
    Type: Grant
    Filed: April 5, 2018
    Date of Patent: March 29, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Shehzad Ali Ashraf, Ricardo Blasco Serrano, Gabor Fodor, Jingya Li
  • METHOD AND APPARATUS FOR COMMUNICATION TECHNOLOGY SELECTION
    Publication number: 20220095186
    Abstract: Embodiments of the present disclosure provide methods and apparatuses for communication technology selection. A method implemented at a first terminal device may comprise obtaining information about one or more candidate communication technologies for at least one service. The method may further comprise determining availability of the one or more candidate communication technologies of the first terminal device. The method may further comprise selecting at least one communication technology from the one or more candidate communication technologies for communication between the first terminal device and at least one second terminal device based on the availability of the one or more candidate communication technologies.
    Type: Application
    Filed: October 24, 2019
    Publication date: March 24, 2022
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Zhang ZHANG, Congchi ZHANG, Marco BELLESCHI, Shehzad Ali ASHRAF
  • Technique for Sidelink Radio Communication
    Publication number: 20220095308
    Abstract: Herein a technique for receiving and transmitting data on a sidelink, SL, is described. As to a method aspect of the technique, a method (300) of receiving data (608) on a SL between a receiving radio device (100) and a transmitting radio device (200) comprises or initiates a step of transmitting (302) a channel state information, CSI, report (604) on the SL to the transmitting radio device (200). The CSI report (604) comprises multiple rank indicators, RIs (606). Each of the RIs (606) is indicative of a rank for the SL. The method (300) of receiving data (608) on a SL further comprises a step of receiving (304) the data (608) from the transmitting radio device (200) on the SL using one of the indicated ranks (606) depending on a requirement of the data (608).
    Type: Application
    Filed: January 7, 2020
    Publication date: March 24, 2022
    Inventors: Shehzad Ali Ashraf, Wanlu Sun
  • LINK ADAPTATION FOR SIDELINK GROUPCAST
    Publication number: 20220086602
    Abstract: Methods, computer programs and receiving wireless devices for operating a receiving wireless device associated with a group are provided, wherein the group includes the receiving wireless device and a transmitting wireless device. The method includes receiving a groupcast data packet from the transmitting wireless device of the group. The method further includes determining a distance of the receiving wireless device from the transmitting wireless device. The method further includes selecting a communication resource for one of an Acknowledgement, ACK, message or Negative Acknowledgement, NACK, message for the groupcast data packet, wherein the communication resource is selected based on the distance from the transmitting wireless device. The method further includes transmitting the one of the ACK message or NACK message for the groupcast data packet using the communication resource selected based on the distance from the transmitting wireless device.
    Type: Application
    Filed: December 18, 2019
    Publication date: March 17, 2022
    Inventors: Shehzad Ali Ashraf, Wanlu Sun, Hieu Do
  • Method and Apparatus for Platoon-Based Communications
    Publication number: 20220070972
    Abstract: Various embodiments of the present disclosure provide a method for platoon-based communications. The method which may be performed by a first network node comprises determining, at a radio layer, a group header of a device group which comprises at least a terminal device. The group header comprises at least one of: an application layer group header being responsible for management of the device group at an application layer, and a radio layer group header being responsible for management of the device group at the radio layer. According to the embodiments of the present disclosure, a radio layer group header may be appointed for a device group so that communication management on the device group can be performed at the radio level.
    Type: Application
    Filed: January 22, 2020
    Publication date: March 3, 2022
    Inventors: Marco Belleschi, Zhang Zhang, Congchi Zhang, Liang Hu, Shehzad Ali Ashraf
  • Sidelink Resource Allocation for Enhanced Mobility
    Publication number: 20220039082
    Abstract: A method by a wireless device (110) includes sending, to a network node (160) having an associated coverage area, a request for a sidelink (SL) resource pool configuration for a V2X application associated with the wireless device (110). The request includes one or more geographical area identifiers associated with one or more respective SL resource pool configurations. The method further includes receiving, in response to the request, a SL resource pool configuration from the network node (160).
    Type: Application
    Filed: September 20, 2019
    Publication date: February 3, 2022
    Inventors: Marco Belleschi, Massimo Condoluci, Shehzad Ali Ashraf, Ricardo Blasco Serrano
  • Feedback Signaling for Sidelink
    Publication number: 20210400635
    Abstract: Exemplary embodiments include methods for receiving device-to-device (D2D) data transmissions from a second user equipment (UE) in a radio access network (RAN). Embodiments can include receiving, from the second UE, a first data transmission. Embodiments can also include determining whether the first data transmission was correctly received. Embodiments can also include determining a first set of frequency-domain parameters to use for generating a time-domain sequence. In some embodiments, the set of frequency-domain parameters can comprise a basic frequency-domain sequence, a width (X), and an offset (Y). Exemplary embodiments can also include transmitting, to the second UE using a time-domain sequence generated from the first set of frequency-domain parameters, a first hybrid ARQ (HARQ) indicator of whether the first data transmission was correctly received.
    Type: Application
    Filed: October 31, 2019
    Publication date: December 23, 2021
    Inventors: Ricardo Blasco Serrano, Hieu Do, Shehzad Ali Ashraf
  • METHODS OF RESOURCE SELECTION FOR SIDELINK MULTI-STREAM TRANSMISSION IN WIRELESS COMMUNICATIONS SYSTEMS AND RELATED APPARATUSES
    Publication number: 20210392620
    Abstract: A method of operating a user equipment, UE, for device-to-device, D2D, transmission of a channel state information, CSI, report and/or a CSI reference signal, CSI-RS, is provided. The method may include identifying a CSI selection window containing candidate resources for use in D2D transmission of the CSI report and/or CSI-RS. The method may include identifying a data selection window containing candidate resources for use in D2D transmission of data and which at least partially overlaps a region of the CSI selection window. The method may include controlling transmission of data and the CSI report and/or CSI-RS to use at least one resource that is selected within the overlapping region of the CSI selection window and the data selection window.
    Type: Application
    Filed: September 19, 2019
    Publication date: December 16, 2021
    Inventors: Shehzad Ali ASHRAF, Ricardo BLASCO SERRANO, Wanlu SUN, Stefano SORRENTINO
  • HARQ process for grant-free uplink transmissions
    Patent number: 11184115
    Abstract: A wireless device, network node and a method for managing a hybrid automatic repeat request (HARQ) process for grant-free uplink access. The method includes transmitting data to a network node during a first time slot corresponding to a first PID according to a first mapping. The method further includes receiving a HARQ feedback signal indicating one of an acknowledgement, ACK, and a non-acknowledgement, NACK, associated with the first PID. When a NACK is received, an indication of a second time slot for a retransmission is received. The data corresponding to the first PID is retransmitted during the second time slot.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: November 23, 2021
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Zhenhua Zou, Shehzad Ali Ashraf, Gustav Wikström
  • SIDELINK QUALITY OF SERVICE MANAGEMENT IN AUTONOMOUS MODE OF WIRELESS COMMUNICATIONS SYSTEMS AND RELATED METHODS AND APPARATUSES
    Publication number: 20210345363
    Abstract: A method is disclosed for operating a user equipment (UE) for device-to-device (D2D) communications. The method includes receiving booking information from another UE. The booking information identifying a resource that the other UE is booking to use for transmission by the other UE and further including priority information. The method further includes selectively transmitting preemption signaling based on whether the received priority information indicates lower priority than local priority information that is associated with a transmission to be scheduled by the UE. The preemption signaling indicates preemption of the UE to use the resource identified by the booking information. The method further includes scheduling the UE to transmit using the resource identified by the booking information.
    Type: Application
    Filed: September 10, 2019
    Publication date: November 4, 2021
    Inventors: Congchi Zhang, Shehzad Ali Ashraf, Marco Belleschi