Patents by Inventor Avi Rapaport
Avi Rapaport 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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Patent number: 10932152Abstract: Systems, methods, and instrumentalities are disclosed to perform rate adaptation in a wireless transmit/receive unit (WTRU). The WTRU may receive an encoded data stream, which may be encoded according to a Dynamic Adaptive HTTP Streaming (DASH) standard. The WTRU may request and/or receive the data stream from a content server. The WTRU may monitor and/or receive a cross-layer parameter, such as a physical layer parameter, a RRC layer parameter, and/or a MAC layer parameter (e.g., a CQI, a PRB allocation, a MRM, or the like). The WTRU may perform rate adaption based on the cross-layer parameter. For example, the WTRU may set the CE bit of an Explicit Congestion Notification (ECN) field based on the cross-layer parameter. The WTRU may determine to request the data stream encoded at a different rate based on the cross-layer parameter, the CE bit, and/or a prediction based on the cross-layer parameter.Type: GrantFiled: May 6, 2019Date of Patent: February 23, 2021Assignee: VID SCALE, Inc.Inventors: Anantharaman Balasubramanian, Gregory S. Sternberg, Liangping Ma, Samian Kaur, Yuriy Reznik, Avi Rapaport, Weimin Liu, Eduardo Asbun
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Patent number: 10924170Abstract: A wireless transmitter includes a radio interface and transmitter circuitry. The radio interface includes multiple transmit antennas. The transmitter circuitry is configured to hold multiple steering matrices specifying weights to be applied to one or more spatial streams transmitted via the multiple transmit antennas to a receiver that includes one or more receive antennas, the multiple steering matrices are specified over multiple sub-carriers, to calculate smoothed weights, by applying to the weights of the steering matrices phase-only corrections that reduce phase variations among the weights of the steering matrices over the sub-carriers, and to transmit to the receiver beam-formed transmissions of the one or more spatial streams over the sub-carriers, by applying to the spatial streams the smoothed weights in the respective sub-carriers.Type: GrantFiled: February 11, 2019Date of Patent: February 16, 2021Assignee: CELENO COMMUNICATIONS (ISRAEL) LTD.Inventors: Shahar Hauzner, Gregory Lerner, Avi Rapaport
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Publication number: 20190260444Abstract: A wireless transmitter includes a radio interface and transmitter circuitry. The radio interface includes multiple transmit antennas. The transmitter circuitry is configured to hold multiple steering matrices specifying weights to be applied to one or more spatial streams transmitted via the multiple transmit antennas to a receiver that includes one or more receive antennas, the multiple steering matrices are specified over multiple sub-carriers, to calculate smoothed weights, by applying to the weights of the steering matrices phase-only corrections that reduce phase variations among the weights of the steering matrices over the sub-carriers, and to transmit to the receiver beam-formed transmissions of the one or more spatial streams over the sub-carriers, by applying to the spatial streams the smoothed weights in the respective sub-carriers.Type: ApplicationFiled: February 11, 2019Publication date: August 22, 2019Inventors: Shahar Hauzner, Gregory Lerner, Avi Rapaport
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Publication number: 20190261209Abstract: Systems, methods, and instrumentalities are disclosed to perform rate adaptation in a wireless transmit/receive unit (WTRU). The WTRU may receive an encoded data stream, which may be encoded according to a Dynamic Adaptive HTTP Streaming (DASH) standard. The WTRU may request and/or receive the data stream from a content server. The WTRU may monitor and/or receive a cross-layer parameter, such as a physical layer parameter, a RRC layer parameter, and/or a MAC layer parameter (e.g., a CQI, a PRB allocation, a MRM, or the like). The WTRU may perform rate adaption based on the cross-layer parameter. For example, the WTRU may set the CE bit of an Explicit Congestion Notification (ECN) field based on the cross-layer parameter. The WTRU may determine to request the data stream encoded at a different rate based on the cross-layer parameter, the CE bit, and/or a prediction based on the cross-layer parameter.Type: ApplicationFiled: May 6, 2019Publication date: August 22, 2019Applicant: VID SCALE, INC.Inventors: Anantharaman Balasubramanian, Gregory S. Sternberg, Liangping Ma, Samian Kaur, Yuriy Reznik, Avi Rapaport, Weimin Liu, Eduardo Asbun
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Patent number: 10349302Abstract: Systems, methods, and instrumentalities are disclosed to perform rate adaptation in a wireless transmit/receive unit (WTRU). The WTRU may receive an encoded data stream, which may be encoded according to a Dynamic Adaptive HTTP Streaming (DASH) standard. The WTRU may request and/or receive the data stream from a content server. The WTRU may monitor and/or receive a cross-layer parameter, such as a physical layer parameter, a RRC layer parameter, and/or a MAC layer parameter (e.g., a CQI, a PRB allocation, a MRM, or the like). The WTRU may perform rate adaption based on the cross-layer parameter. For example, the WTRU may set the CE bit of an Explicit Congestion Notification (ECN) field based on the cross-layer parameter. The WTRU may determine to request the data stream encoded at a different rate based on the cross-layer parameter, the CE bit, and/or a prediction based on the cross-layer parameter.Type: GrantFiled: January 26, 2017Date of Patent: July 9, 2019Assignee: VID SCALE, INC.Inventors: Anantharaman Balasubramanian, Gregory S. Sternberg, Liangping Ma, Samian Kaur, Yuriy Reznik, Avi Rapaport, Weimin Liu, Eduardo Asbun
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Patent number: 9942918Abstract: HARQ parameters (e.g., maximum HARQ retransmission values) may be adapted. Cross-layer control and/or logical channel control may be used to select a maximum number of HARQ retransmissions, for example based on packet priority and/or QCI values. Respective priorities of video packets may be used to select one of a plurality of logical channels associated with a video application that may be established at a source wireless hop and/or a destination wireless hop. The logical channels have different HARQ characteristics. Different maximum HARQ retransmission values may be determined for select logical channels, for example such that packets of different priorities may be transmitted over different logical channels. One or more of the channels may be associated with one or more transmission queues that may have different priority designations. Video packets may be reordered (e.g., with respect to transmission order) within the transmission queues, for example in accordance with respective HARQ parameters.Type: GrantFiled: February 11, 2013Date of Patent: April 10, 2018Assignee: VID SCALE, INC.Inventors: Avi Rapaport, Ariela Zeira, Weimin Liu, Liangping Ma, Yuriy Reznik, Zhifeng Chen, Gregory S. Sternberg, Samian J. Kaur, Stephen E. Terry
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Publication number: 20170374654Abstract: Embodiments contemplate devices and techniques for receiving unicast and multicast transmissions over a downlink (DL) shared channel in parallel, for example an LTE DL shared channel (SCH). For example, one or more hybrid automatic repeat request (HARQ) entities may be configured to perform retransmissions of the multicast and/or unicast messages. Common and/or dedicated (e.g., separate) HARQ entities may be utilized for retransmission. The multicast downlink shared channels may be activated and/or deactivated on demand. The activation and/or deactivation may be performed using radio resource control (RRC) signaling and/or Medium Access Control (MAC) signaling. The multicast and/or unicast downlink shared channel data may include scalable video coding (SVC) data of varying priority. Embodiments also contemplate the use of simultaneous (e.g. parallel) multicast/unicast for scalable video coding transmission over WiFi/802.11 protocol signals.Type: ApplicationFiled: August 21, 2017Publication date: December 28, 2017Applicant: VID SCALE, INC.Inventors: Avi Rapaport, Samian Kaur, Liangping Ma, Weimin Liu, Ariela Zeira, Zhifeng Chen, Stephen E. Terry
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Patent number: 9807644Abstract: Methods, apparatuses and systems for performing hierarchical traffic differentiation and/or employing hierarchical traffic differentiation are provided. These methods, apparatuses and systems may be implemented to, for example, handle congestion and/or to manage user quality of experience (QoE). Performing the hierarchical traffic differentiation may include differentiating or otherwise classifying (collectively “differentiating”) traffic mapped to, or within, a bearer formed in accordance with a QoS class into multiple traffic sub-classes. Employing the hierarchical traffic differentiation may include scheduling and/or policing (e.g., filtering) the differentiated traffic for transmission based on a prioritization of, and/or policy for managing, the multiple traffic sub-classes.Type: GrantFiled: February 16, 2013Date of Patent: October 31, 2017Assignee: InterDigital Patent Holdings, Inc.Inventors: Liangping Ma, Samian Kaur, Dimitrios Karampatsis, Avi Rapaport, Gregory Sternberg, Yuriy Reznik, Ariela Zeira, Weimin Liu, Naresh Soni
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Patent number: 9769819Abstract: Embodiments contemplate devices and techniques for receiving unicast and multicast transmissions over a downlink (DL) shared channel in parallel, for example an LTE DL shared channel (SCH). For example, one or more hybrid automatic repeat request (HARQ) entities may be configured to perform retransmissions of the multicast and/or unicast messages. Common and/or dedicated (e.g., separate) HARQ entities may be utilized for retransmission. The multicast downlink shared channels may be activated and/or deactivated on demand. The activation and/or deactivation may be performed using radio resource control (RRC) signaling and/or Medium Access Control (MAC) signaling. The multicast and/or unicast downlink shared channel data may include scalable video coding (SVC) data of varying priority. Embodiments also contemplate the use of simultaneous (e.g. parallel) multicast/unicast for scalable video coding transmission over WiFi/802.11 protocol signals.Type: GrantFiled: February 29, 2016Date of Patent: September 19, 2017Assignee: VID SCALE, INC.Inventors: Avi Rapaport, Samian Kaur, Liangping Ma, Weimin Liu, Ariela Zeira, Zhifeng Chen, Stephen E. Terry
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Publication number: 20170142609Abstract: Systems, methods, and instrumentalities are disclosed to perform rate adaptation in a wireless transmit/receive unit (WTRU). The WTRU may receive an encoded data stream, which may be encoded according to a Dynamic Adaptive HTTP Streaming (DASH) standard. The WTRU may request and/or receive the data stream from a content server. The WTRU may monitor and/or receive a cross-layer parameter, such as a physical layer parameter, a RRC layer parameter, and/or a MAC layer parameter (e.g., a CQI, a PRB allocation, a MRM, or the like). The WTRU may perform rate adaption based on the cross-layer parameter. For example, the WTRU may set the CE bit of an Explicit Congestion Notification (ECN) field based on the cross-layer parameter. The WTRU may determine to request the data stream encoded at a different rate based on the cross-layer parameter, the CE bit, and/or a prediction based on the cross-layer parameter.Type: ApplicationFiled: January 26, 2017Publication date: May 18, 2017Applicant: VID SCALE, INC.Inventors: Anantharaman Balasubramanian, Gregory S. Sternberg, Liangping Ma, Samian Kaur, Yuriy Reznik, Avi Rapaport, Weimin Liu, Eduardo Asbun
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Patent number: 9591513Abstract: Systems, methods, and instrumentalities are disclosed to perform rate adaptation in a wireless transmit/receive unit (WTRU). The WTRU may receive an encoded data stream, which may be encoded according to a Dynamic Adaptive HTTP Streaming (DASH) standard. The WTRU may request and/or receive the data stream from a content server. The WTRU may monitor and/or receive a cross-layer parameter, such as a physical layer parameter, a RRC layer parameter, and/or a MAC layer parameter (e.g., a CQI, a PRB allocation, a MRM, or the like). The WTRU may perform rate adaption based on the cross-layer parameter. For example, the WTRU may set the CE bit of an Explicit Congestion Notification (ECN) field based on the cross-layer parameter. The WTRU may determine to request the data stream encoded at a different rate based on the cross-layer parameter, the CE bit, and/or a prediction based on the cross-layer parameter.Type: GrantFiled: August 5, 2013Date of Patent: March 7, 2017Assignee: VID SCALE, Inc.Inventors: Anantharaman Balasubramanian, Gregory S. Sternberg, Liangping Ma, Samian Kaur, Yuriy Reznik, Avi Rapaport, Weimin Liu, Eduardo Asbun
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Publication number: 20160183226Abstract: Embodiments contemplate devices and techniques for receiving unicast and multicast transmissions over a downlink (DL) shared channel in parallel, for example an LTE DL shared channel (SCH). For example, one or more hybrid automatic repeat request (HARQ) entities may be configured to perform retransmissions of the multicast and/or unicast messages. Common and/or dedicated (e.g., separate) HARQ entities may be utilized for retransmission. The multicast downlink shared channels may be activated and/or deactivated on demand. The activation and/or deactivation may be performed using radio resource control (RRC) signaling and/or Medium Access Control (MAC) signaling. The multicast and/or unicast downlink shared channel data may include scalable video coding (SVC) data of varying priority. Embodiments also contemplate the use of simultaneous (e.g. parallel) multicast/unicast for scalable video coding transmission over WiFi/802.11 protocol signals.Type: ApplicationFiled: February 29, 2016Publication date: June 23, 2016Applicant: VID SCALE, INC.Inventors: Avi Rapaport, Samian Kaur, Liangping Ma, Weimin Liu, Ariela Zeira, Zhifeng Chen, Stephen E. Terry
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Publication number: 20160100230Abstract: An importance level may be associated with a video packet at the video source and/or determined using the history of packet loss corresponding to a video flow. A video packet may be associated with a class and may be further associated within a sub-class, for example, based on importance level. Associating a video packet with an importance level may include receiving a video packet associated with a video stream, assigning an importance level to the video packet, and sending the video packet according to the access category and importance level. The video packet may be characterized by an access category. The importance level may be associated with a transmission priority of the video packet within the access category of the video packet and/or a retransmission limit of the video packet.Type: ApplicationFiled: May 7, 2014Publication date: April 7, 2016Applicant: VID SCALE, INC.Inventors: Liangping Ma, Avi Rapaport, Gregory S. Sternberg, Weimin Liu, Anantharaman Balasubramanian, Yuriy Reznik, Ariela Zeira, Tianyi Xu
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Patent number: 9277533Abstract: Embodiments contemplate devices and techniques for receiving unicast and multicast transmissions over a downlink (DL) shared channel in parallel, for example an LTE DL shared channel (SCH). For example, one or more hybrid automatic repeat request (HARQ) entities may be configured to perform retransmissions of the multicast and/or unicast messages. Common and/or dedicated (e.g., separate) HARQ entities may be utilized for retransmission. The multicast downlink shared channels may be activated and/or deactivated on demand. The activation and/or deactivation may be performed using radio resource control (RRC) signaling and/or Medium Access Control (MAC) signaling. The multicast and/or unicast downlink shared channel data may include scalable video coding (SVC) data of varying priority. Embodiments also contemplate the use of simultaneous (e.g. parallel) multicast/unicast for scalable video coding transmission over WiFi/802.11 protocol signals.Type: GrantFiled: May 17, 2013Date of Patent: March 1, 2016Assignee: VID Scale, Inc.Inventors: Avi Rapaport, Samian J. Kaur, Liangping Ma, Weimin Liu, Ariela Zeira, Zhifeng Chen, Stephen E. Terry
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Publication number: 20150341594Abstract: Disclosed herein are systems and methods for implementing model-based quality-of-experience (QoE) scheduling. An embodiment takes the form of a method carried out by at least one network entity. The method includes receiving video frames from a video sender, which had first annotated each of the frames with a set of video-frame annotations including a channel-distortion model and a source distortion. The method also includes identifying all subsets of the received video frames that satisfy a resource constraint. The method also includes selecting, from among the identified subsets, based at least in part on the video-frame annotations, a subset that maximizes a QoE metric. The method also includes forwarding only the selected subset of the received video packets to a video receiver for presentation.Type: ApplicationFiled: November 15, 2013Publication date: November 26, 2015Inventors: Liangping Ma, Tianyi Xu, Gregory Sternberg, Ariela Zeira, Anantharaman Balasubramanian, Avi Rapaport
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Publication number: 20150264359Abstract: Using wireless packet loss data in the encoding of video data. In one embodiment, the method includes receiving wireless packet loss data at a wireless transmit receive unit (WTRU); generating video packet loss data from the wireless packet loss data, and providing the video packet loss data to a video encoder application running on the WTRU for use in encoding video data. The video encoder may perform an error propagation reduction process in response to the video packet loss data. The error propagation reduction process includes one or more of generating an instantaneous Decode Refresh frame or generating an Intra Refresh frame. Some embodiments may be characterized as using a reference picture selection method, or a reference set of pictures selection method.Type: ApplicationFiled: February 15, 2013Publication date: September 17, 2015Applicant: VID SCALE, INC.Inventors: Rahul Vanam, Weimin Liu, Avi Rapaport, Liangping Ma, Eduardo Asbun, Zhifeng Chen, Yuriy Reznik, Ariela Zeira
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Publication number: 20150229970Abstract: Methods and systems are disclosed facilitate differentiated QoS service for packets within a single packet stream. For example, extended QCI values may be used to differentiate service of video packets associated with different priorities. A flexible representation of QoS requirements/parameters is disclosed where QoS may be defined as a hyperspace that is a function of base QoS parameters. A WTRU may explicitly specify and/or request desired QoS parameters. A WTRU may be configured to perform one or more of video packet separation into a plurality of video packet sub-streams, merging of the video packet sub-streams, and/or reordering of the packets included in the video packet sub-streams. Techniques may be utilized to exposing more information to a data transmission network regarding the type of video packets (and/or other packets) being transmitted.Type: ApplicationFiled: August 10, 2012Publication date: August 13, 2015Applicant: VID SCALE, INC.Inventors: Liangping Ma, Ariela Zeira, Kamel M. Shaheen, Hang Liu, Zhuorong Deng, Weimin Liu, Chris Wallace, Avi Rapaport, Zhifeng Chen, Edward L. Hepler, James M. Miller, Ravikumar V. Pragada, Eun Ryu
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Publication number: 20150009930Abstract: HARQ parameters (e.g., maximum HARQ retransmission values) may be adapted. Cross-layer control and/or logical channel control may be used to select a maximum number of HARQ retransmissions, for example based on packet priority and/or QCI values. Respective priorities of video packets may be used to select one of a plurality of logical channels associated with a video application that may be established at a source wireless hop and/or a destination wireless hop. The logical channels have different HARQ characteristics. Different maximum HARQ retransmission values may be determined for select logical channels, for example such that packets of different priorities may be transmitted over different logical channels. One or more of the channels may be associated with one or more transmission queues that may have different priority designations. Video packets may be reordered (e.g., with respect to transmission order) within the transmission queues, for example in accordance with respective HARQ parameters.Type: ApplicationFiled: February 11, 2013Publication date: January 8, 2015Applicant: VID SCALE, INC.Inventors: Avi Rapaport, Ariela Zeira, Weimin Liu, Liangping Ma, Yuriy Reznik, Zhifeng Chen, Gregory S. Sternberg, Samian J. Kaur, Stephen E. Terry
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Publication number: 20150009826Abstract: Methods, apparatuses and systems for performing hierarchical traffic differentiation and/or employing hierarchical traffic differentiation are provided. These methods, apparatuses and systems may be implemented to, for example, handle congestion and/or to manage user quality of experience (QoE). Performing the hierarchical traffic differentiation may include differentiating or otherwise classifying (collectively “differentiating”) traffic mapped to, or within, a bearer formed in accordance with a QoS class into multiple traffic sub-classes. Employing the hierarchical traffic differentiation may include scheduling and/or policing (e.g., filtering) the differentiated traffic for transmission based on a prioritization of, and/or policy for managing, the multiple traffic sub-classes.Type: ApplicationFiled: February 16, 2013Publication date: January 8, 2015Inventors: Liangping Ma, Samian Kaur, Dimitrios Karampatsis, Avi Rapaport, Sternberg Gregory, Yuriy Reznik, Ariela Zeira, Weimin Liu, Naresh Soni
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Publication number: 20140036667Abstract: Systems, methods, and instrumentalities are disclosed to perform rate adaptation in a wireless transmit/receive unit (WTRU). The WTRU may receive an encoded data stream, which may be encoded according to a Dynamic Adaptive HTTP Streaming (DASH) standard. The WTRU may request and/or receive the data stream from a content server. The WTRU may monitor and/or receive a cross-layer parameter, such as a physical layer parameter, a RRC layer parameter, and/or a MAC layer parameter (e.g., a CQI, a PRB allocation, a MRM, or the like). The WTRU may perform rate adaption based on the cross-layer parameter. For example, the WTRU may set the CE bit of an Explicit Congestion Notification (ECN) field based on the cross-layer parameter. The WTRU may determine to request the data stream encoded at a different rate based on the cross-layer parameter, the CE bit, and/or a prediction based on the cross-layer parameter.Type: ApplicationFiled: August 5, 2013Publication date: February 6, 2014Inventors: Anantharaman Balasubramanian, Gregory S. Sternberg, Liangping Ma, Samian Kaur, Yuriy Reznik, Avi Rapaport, Weimin Liu, Eduardo Asbun