Patents by Inventor Sami M. Almalfouh
Sami M. Almalfouh 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).
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Publication number: 20230032276Abstract: The present application relates to devices and components including apparatus, systems, and methods for canceling reference signal interference in dynamic spectrum sharing networks.Type: ApplicationFiled: June 22, 2022Publication date: February 2, 2023Applicant: Apple Inc.Inventors: Rajarajan Balraj, Guang Xu, Abhinav Gupta, Sami M. Almalfouh, Leilei Song, Jia Tang, Xiaojun Ma, Majdi Msallem
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Patent number: 11558929Abstract: This disclosure relates to performing cellular communication using a control information monitoring framework. A wireless device may monitor a control channel for control information according to a first periodic pattern. According to the first periodic pattern, the wireless device may monitor the control channel in a specified slot during each period of the first periodic pattern. Each period of the first periodic pattern may include multiple slots. The wireless device may receive control information during a first slot. The first slot may be a specified slot according to the first periodic pattern. The control information received during the first slot may schedule a data communication. The wireless device may monitor the control channel for control information in at least one slot that is not specified according to the first periodic pattern based at least in part on receiving control information during a specified slot according to the first periodic pattern.Type: GrantFiled: March 1, 2022Date of Patent: January 17, 2023Assignee: Apple Inc.Inventors: Yuchul Kim, Junsung Lim, Wei Zeng, Haitong Sun, Wei Zhang, Galib A. Mohiuddin, Sami M. Almalfouh, Yang Li, Zhu Ji, Tianyan Pu, Dawei Zhang, Johnson O. Sebeni
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Patent number: 11540276Abstract: A device may wirelessly communicate according to a first radio access technology (RAT) within a first bandwidth part (BWP) of a frequency spectrum in which wireless communications according to other RAT(s) also take place. The device may be instructed to operate/communicate within a second BWP of the frequency spectrum responsive to the device successfully completing a listen-before-talk (LBT) procedure within a specified portion of the second BWP, where the second BWP contains the first BWP while the first BWP does not contain the specified portion of the second BWP. The device may also be instructed to operate/communicate within a specified frequency band (SFB) of the frequency spectrum responsive to the device successfully completing an LBT procedure within the SFB, where the SFB is not contiguous with the frequency band that includes the first BWP. The device may then simultaneously operate within the second frequency band and the first frequency band.Type: GrantFiled: September 23, 2019Date of Patent: December 27, 2022Assignee: Apple Inc.Inventors: Wei Zhang, Pengkai Zhao, Wei Zeng, Haitong Sun, Dawei Zhang, Jia Tang, Johnson O. Sebeni, Ping Wang, Sami M. Almalfouh, Tianyan Pu
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Patent number: 11533770Abstract: Apparatuses, systems, and methods for a wireless device to perform substantially concurrent communications with a next generation network node and a legacy network node. The wireless device may be configured to stablish a first wireless link with a first cell according to a RAT, where the first cell operates in a first system bandwidth and establish a second wireless link with a second cell according to a RAT, where the second cell operates in a second system bandwidth. Further, the wireless device may be configured to perform uplink activity for both the first RAT and the second RAT by TDM uplink data for the first RAT and uplink data for the second RAT if uplink activity is scheduled according to both the first RAT and the second RAT.Type: GrantFiled: March 15, 2021Date of Patent: December 20, 2022Assignee: Apple Inc.Inventors: Wei Zeng, Haijing Hu, Yuchul Kim, Dawei Zhang, Xiangying Yang, Zhu Ji, Yang Li, Beibei Wang, Jia Tang, Sami M. Almalfouh, Johnson O. Sebeni, Wei Zhang, Tianyan Pu, Vijay Venkataraman, Christian W. Mucke
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Physical Downlink Control Channel Transmission and Reception Techniques for Dynamic Spectrum Sharing
Publication number: 20220311576Abstract: A user equipment (UE) is configured to perform rate matching for reference signals under certain conditions. The UE receives information associated with a downlink reference signal for a first radio access technology (RAT), wherein the first RAT is different than a currently camped second RAT, identifies reference signal occasions for the downlink reference signal and receives downlink control information from the second RAT via a physical downlink control channel (PDCCH).Type: ApplicationFiled: October 13, 2020Publication date: September 29, 2022Inventors: Haitong SUN, Chunxuan YE, Dawei ZHANG, Hong HE, Hossam K. SHOKR, Huaning NIU, Niranjan N. RATNAKAR, Oghenekome OTERI, Sami M. ALMALFOUH, Wei ZENG, Wei ZHANG, Weidong YANG, Yushu ZHANG -
Publication number: 20220312551Abstract: Apparatuses, systems, and methods for a wireless device to perform methods to implement mechanisms for performing a listen again after talk procedure to detect collisions over an access medium. The wireless device may determine a frequency and configuration of modified transmission frames for transmission over an access medium (licensed or unlicensed) and may further determine a timing of the modified transmission frames within a transmission occasion. The wireless device may detect, during a listening period of the modified transmission frame, a collision and may adjust, based, at least in part, on the detected collision, a remaining transmission schedule for the transmission schedule and/or LBT parameters.Type: ApplicationFiled: June 16, 2022Publication date: September 29, 2022Inventors: Tianyan Pu, Haitong Sun, Wanping Zhang, Wei Zeng, Pengkai Zhao, Dawei Zhang, Wei Zhang, Ping Wang, Sami M. Almalfouh, Johnson O. Sebeni
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Publication number: 20220264569Abstract: Apparatuses, systems, and methods to dynamically indicate preference for self-contained slots and slot duration by a user equipment device (UE) in communication with a base station (e.g., a gNB) using a 5G NR radio access technology. A UE may determine to send an indication to a gNB indicating a preference for self-contained slots and slot duration for downlink and/or uplink communications utilizing one or more of the physical downlink control channel (PDCCH), the physical downlink shared channel (PDSCH), and/or acknowledgement messaging (ACK/NACK) for downlink communications, and utilizing one or more of the physical uplink control channel (PUCCH), the PDCCH, and/or the physical uplink shared channel (PUSCH) for uplink communications. The configuration of self-contained slots and slot duration for uplink and/or downlink may be based on one or more of average packet size, average packet rate, traffic type and UE processing capabilities.Type: ApplicationFiled: May 6, 2022Publication date: August 18, 2022Inventors: Zhu Ji, Yang Li, Yuchul Kim, Johnson O. Sebeni, Sami M. Almalfouh, Wei Zeng, Dawei Zhang
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Publication number: 20220255613Abstract: Apparatuses, systems, and methods for a wireless device to perform beam management procedures with a base station. A wireless device in communication with a 5G base station may perform measurements and determine constraints relevant to beam selection. The device may select a recommended beam based on the measurements and constraint(s) and indicate the recommended beam to the base station. A recommended uplink beam may not correspond to a recommended downlink beam.Type: ApplicationFiled: April 28, 2022Publication date: August 11, 2022Inventors: Jia Tang, Sami M. Almalfouh, Haitong Sun, Zhu Ji, Wei Zeng, Johnson O. Sebeni, Wei Zhang, Beibei Wang, Dawei Zhang, Pengkai Zhao
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Patent number: 11405980Abstract: Apparatuses, systems, and methods for a wireless device to perform methods to implement mechanisms for performing a listen again after talk procedure to detect collisions over an access medium. The wireless device may determine a frequency and configuration of modified transmission frames for transmission over an access medium (licensed or unlicensed) and may further determine a timing of the modified transmission frames within a transmission occasion. The wireless device may detect, during a listening period of the modified transmission frame, a collision and may adjust, based, at least in part, on the detected collision, a remaining transmission schedule for the transmission schedule and/or LBT parameters.Type: GrantFiled: September 23, 2019Date of Patent: August 2, 2022Assignee: Apple Inc.Inventors: Tianyan Pu, Haitong Sun, Wanping Zhang, Wei Zeng, Pengkai Zhao, Dawei Zhang, Wei Zhang, Ping Wang, Sami M. Almalfouh, Johnson O. Sebeni
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Patent number: 11368913Abstract: This disclosure relates to techniques for estimating baseband power consumption and using the baseband power consumption estimation to select baseband operation features. According to some embodiments, one or more baseband power consumption modifiers occurring during an estimation window may be identified. Baseband power consumption of the wireless device during the estimation window may be estimated based on the identified baseband power consumption modifiers occurring during the estimation window. Baseband data throughput of the wireless device during the estimation window may also be estimated. One or more baseband operation characteristics may be selected based at least in part on the estimated baseband power consumption during the estimation window, possibly in conjunction with the estimated baseband data throughput during the estimation window, current wireless medium conditions, and/or other considerations.Type: GrantFiled: June 11, 2019Date of Patent: June 21, 2022Assignee: Apple Inc.Inventors: Sunny Arora, Rati Agrawal, Sami M. Almalfouh, Xiantao Sun, Johnson O. Sebeni, Wael S. Barakat, Navid Damji, Srinivas Pasupuleti, Raghuveer Mallikarjunan
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Publication number: 20220191972Abstract: This disclosure relates to performing cellular communication using a control information monitoring framework. A wireless device may monitor a control channel for control information according to a first periodic pattern. According to the first periodic pattern, the wireless device may monitor the control channel in a specified slot during each period of the first periodic pattern. Each period of the first periodic pattern may include multiple slots. The wireless device may receive control information during a first slot. The first slot may be a specified slot according to the first periodic pattern. The control information received during the first slot may schedule a data communication. The wireless device may monitor the control channel for control information in at least one slot that is not specified according to the first periodic pattern based at least in part on receiving control information during a specified slot according to the first periodic pattern.Type: ApplicationFiled: March 1, 2022Publication date: June 16, 2022Inventors: Yuchul Kim, Junsung Lim, Wei Zeng, Haitong Sun, Wei Zhang, Galib A. Mohiuddin, Sami M. Almalfouh, Yang Li, Zhu Ji, Tianyan Pu, Dawei Zhang, Johnson O. Sebeni
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Patent number: 11357003Abstract: Apparatuses, systems, and methods to dynamically indicate preference for self-contained slots and slot duration by a user equipment device (UE) in communication with a base station (e.g., a gNB) using a 5G NR radio access technology. A UE may determine to send an indication to a gNB indicating a preference for self-contained slots and slot duration for downlink and/or uplink communications utilizing one or more of the physical downlink control channel (PDCCH), the physical downlink shared channel (PDSCH), and/or acknowledgement messaging (ACK/NACK) for downlink communications, and utilizing one or more of the physical uplink control channel (PUCCH), the PDCCH, and/or the physical uplink shared channel (PUSCH) for uplink communications. The configuration of self-contained slots and slot duration for uplink and/or downlink may be based on one or more of average packet size, average packet rate, traffic type and UE processing capabilities.Type: GrantFiled: August 31, 2020Date of Patent: June 7, 2022Assignee: Apple Inc.Inventors: Zhu Ji, Yang Li, Yuchul Kim, Johnson O. Sebeni, Sami M. Almalfouh, Wei Zeng, Dawei Zhang
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Patent number: 11349545Abstract: Apparatuses, systems, and methods for a wireless device to perform beam management procedures with a base station. A wireless device in communication with a 5G base station may perform measurements and determine constraints relevant to beam selection. The device may select a recommended beam based on the measurements and constraint(s) and indicate the recommended beam to the base station. A recommended uplink beam may not correspond to a recommended downlink beam.Type: GrantFiled: September 27, 2019Date of Patent: May 31, 2022Assignee: Apple Inc.Inventors: Jia Tang, Sami M. Almalfouh, Haitong Sun, Zhu Ji, Wei Zeng, Johnson O. Sebeni, Wei Zhang, Beibei Wang, Dawei Zhang, Pengkai Zhao
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Patent number: 11343709Abstract: Apparatuses, systems, and methods for a wireless device and base station using a first radio access technology to monitor traffic load on a second radio access technology. A wireless device may monitor traffic of the second radio access technology and may transmit one or more traffic load reports to the base station. The base station may, based on the report(s) and its own observations, determine whether a hidden network of the second radio access technology is present at the wireless device.Type: GrantFiled: January 11, 2019Date of Patent: May 24, 2022Assignee: Apple Inc.Inventors: Wei Zhang, Tianyan Pu, Haitong Sun, Wei Zeng, Dawei Zhang, Sami M. Almalfouh, Johnson O. Sebeni
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Patent number: 11304261Abstract: This disclosure relates to performing cellular communication using a control information monitoring framework. A wireless device may monitor a control channel for control information according to a first periodic pattern. According to the first periodic pattern, the wireless device may monitor the control channel in a specified slot during each period of the first periodic pattern. Each period of the first periodic pattern may include multiple slots. The wireless device may receive control information during a first slot. The first slot may be a specified slot according to the first periodic pattern. The control information received during the first slot may schedule a data communication. The wireless device may monitor the control channel for control information in at least one slot that is not specified according to the first periodic pattern based at least in part on receiving control information during a specified slot according to the first periodic pattern.Type: GrantFiled: February 28, 2019Date of Patent: April 12, 2022Assignee: Apple Inc.Inventors: Yuchul Kim, Junsung Lim, Wei Zeng, Haitong Sun, Wei Zhang, Galib A. Mohiuddin, Sami M. Almalfouh, Yang Li, Zhu Ji, Tianyan Pu, Dawei Zhang, Johnson O. Sebeni
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Publication number: 20220104311Abstract: Apparatuses, systems, and methods for a wireless device to perform methods for determining resources for scheduling side-link communications. The resources may be semi-persistent and/or dynamic resources. A user equipment device (UE) may determine a resource map for use in scheduling semi-persistent resources for side-link communications with at least one wireless node. The UE may transmit a resource map request message indicating preferred resource blocks, where each resource block may be defined by a time and a frequency. The UE may receive a confirmation message that may include a report regarding a set of resource blocks. The set of resource blocks may be from the preferred resource blocks included in the resource map request message. The UE may determine, based, at least in part, on the confirmation message, resource blocks to be used for the side-link communications and initiate the side-link communications using the determined resource blocks.Type: ApplicationFiled: October 12, 2021Publication date: March 31, 2022Inventors: Pengkai Zhao, Dawei Zhang, Fangli Xu, Haijing Hu, Haitong Sun, Sami M. Almalfouh, Wanping Zhang, Wei Zeng, Wei Zhang, Yuqin Chen
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Patent number: 11284428Abstract: A device may monitor a first search space (SS) corresponding to an active first component carrier (CC), and detect first control information (CI) that identifies an inactive second CC. In response to receiving the first CI, the device may activate the inactive second CC to make it an active second CC. The device may also set up a second SS corresponding to the active second CC, and may monitor the second SS to schedule the active second CC and receive a physical data channel. The first CI may also include additional scheduling information and a start time for reception of the physical data channel. The device may operate in a first bandwidth part (BWP) according to a first communication configuration associated with the first bandwidth part, and may switch to operating in a second BWP and to operating according to a second communication configuration associated with the second BWP.Type: GrantFiled: August 10, 2018Date of Patent: March 22, 2022Assignee: Apple Inc.Inventors: Junsung Lim, Wei Zhang, Sami M. Almalfouh, Johnson O. Sebeni, Yuchul Kim, Wei Zeng, Haitong Sun, Pengkai Zhao, Ping Wang, Dawei Zhang, Fangli Xu, Yuqin Chen, Haijing Hu
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Patent number: 11277817Abstract: This disclosure relates to techniques for efficient idle mode wakeup for wireless devices supporting an enhanced coverage mode and a normal coverage mode in a wireless communication system. A wireless device may camp on a cellular base station in idle mode. The wireless device may monitor a control channel associated with the normal coverage mode during a paging occasion. The wireless device may also monitor a control channel associated with the enhanced coverage mode during the paging occasion if a paging indication is not successfully decoded on the control channel associated with the normal coverage mode.Type: GrantFiled: December 12, 2019Date of Patent: March 15, 2022Assignee: Apple Inc.Inventors: Li Su, Sami M. Almalfouh, Jianxiong Shi
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Patent number: 11272576Abstract: A hierarchical beamforming structure may help reduce network traffic overhead for transmission of beam indication (information) and enable efficient Transmission Configuration Indication, while facilitating beam tracking between a base station(s) and a mobile device(s) during downlink communications. Downlink control information (DCI) may be expanded to carry/transmit a beam/QCL (quasi co-location) indication for a control resource set (CORESET) for monitoring a next instance of a physical control channel. Error resilient design techniques may be employed to further improve device mobility while increasing the flexibility and reducing the latency for GC-PDCCH/PDCCH beam/QCL indications. For example, the aggregation level for select DCI (e.g.Type: GrantFiled: January 11, 2019Date of Patent: March 8, 2022Assignee: Apple Inc.Inventors: Wei Zhang, Haitong Sun, Wei Zeng, Yuchul Kim, Dawei Zhang, Sami M. Almalfouh, Johnson O. Sebeni
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Patent number: 11259313Abstract: Apparatuses, systems, and methods for a wireless device to perform simultaneous uplink activity for multiple RATs in the same carrier using frequency division multiplexing. The wireless device may establish a first wireless link with a first base station according to a first radio access technology (RAT) and a second wireless link with a second base station according to a second RAT. The first base station may provide a first cell operating in a first system bandwidth and the second base station may provide a second cell operating in a second system bandwidth. The wireless device may determine whether the wireless device has uplink activity scheduled according to both the first RAT and the second RAT. If so, the wireless device may perform uplink activity for both the first RAT and the second RAT in the first system bandwidth using frequency division multiplexing.Type: GrantFiled: April 22, 2020Date of Patent: February 22, 2022Assignee: Apple Inc.Inventors: Yang Li, Wei Zeng, Zhu Ji, Beibei Wang, Jia Tang, Yuchul Kim, Haijing Hu, Dawei Zhang, Xiangying Yang, Sami M. Almalfouh, Johnson O. Sebeni, Wei Zhang, Tianyan Pu