Patents by Inventor Xiangyang Zhuang
Xiangyang Zhuang 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: 20240134436Abstract: An integrated circuit (IC) device, such as a system on chip, includes a plurality of hardware circuitry components and a power delivery network to delivery power to the plurality of hardware circuitry elements. The power delivery network has a plurality of integrated switches and a corresponding data plane to couple the plurality of switches to a controller on the IC device. The controller sends signals on the control plane of the power delivery network to granularly select which of the plurality of hardware circuitry elements to power-gate and may do so at the direction of a software system.Type: ApplicationFiled: December 29, 2023Publication date: April 25, 2024Inventors: Akhilesh Thyagaturu, Karthik Kumar, Francesc Guim Bernat, Manish Dave, Xiangyang Zhuang
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Publication number: 20240129214Abstract: An example first device disclosed includes interface circuitry, machine readable instructions, and programmable circuitry to operate based on the machine readable instructions to update configuration data based on a telemetry pattern from a second device, the second device to satisfy a neighbor condition, generate telemetry data based on the configuration data, and update the first set of data based on feedback from a recipient of the telemetry data.Type: ApplicationFiled: December 27, 2023Publication date: April 18, 2024Inventors: Mario Jose Divan Koller, Francesc Guim Bernat, Manish Dhananjay Dave, Marcos Emanuel Carranza, Xiangyang Zhuang, Adrian Christopher Hoban
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Publication number: 20240015569Abstract: Various systems and methods for implementing end-to-end quality of service (QoS) for network communications are provided using various network and compute technologies. In an example, managing Quality of Service (QoS) for end-to-end network data flows, includes: identifying QoS characteristics for data flows of a user equipment (UE), for data flows performed via multiple access networks; mapping the QoS characteristics to network functions of at least one of the multiple access networks; and controlling the network functions of the at least one of the multiple access networks, based on the QoS characteristics, as the network functions are implemented at respective resources located within at least one of the multiple access networks. Further examples for controlling the network functions using Access Traffic Steering, Switching and Splitting (ATSSS) functionality in an 3GPP multi-access network, and configuring a network exposure function of an 3GPP multi-access network, are also disclosed.Type: ApplicationFiled: September 22, 2023Publication date: January 11, 2024Inventors: Roya Doostnejad, John Joseph Browne, Francesc Guim Bernat, Valerie J. Parker, Christopher MacNamara, Akhilesh S. Thyagaturu, Soo Jin Tan, Xiangyang Zhuang, John Belstner
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Publication number: 20230006889Abstract: The present disclosure is generally related to edge computing technologies (ECTs), communications networking, network slicing, and in particular, to techniques and technologies for providing flow-specific network slices. In particular, the present disclosure describes mechanisms that expand existing end-to-end architectures in order to include quality of service and monitoring mechanisms that connect network slicing technologies with infrastructure and/or network data center quality of service provider domains. The described mechanisms provide data center bridging to enable network, edge computing, and cloud computing domains.Type: ApplicationFiled: August 31, 2022Publication date: January 5, 2023Inventors: Akhilesh S. Thyagaturu, Francesc Guim Bernat, Xiangyang Zhuang, Karthik Kumar, Petar Torre
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Patent number: 11240085Abstract: Methods and apparatus are provided for narrowband UEs. In one novel aspect, frequency hopping is used. The UE stays on the first frequency band for consecutive number of subframes before hopping to another frequency band. In another embodiment, the first set of resource elements and the second set of resource elements are discontinued with a gap in the time domain. In another novel aspect, the UE obtains sub-band information and a resource index and generates a communication channel for data frame transmission and receiving. In one embodiment, the UE further acquires the sub-band set information through system information. In yet another embodiment, the resource index is acquired from DCI. In yet another novel aspect, resource blocks are selected for a PUCCH for a narrowband UE. The UE determines an operating sub-band information and selects one or more narrowband regions for the PUCCH.Type: GrantFiled: March 11, 2020Date of Patent: February 1, 2022Assignee: HFI INNOVATION INC.Inventors: Feifei Sun, Xiangyang Zhuang
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Patent number: 11240800Abstract: Apparatus and method are provided to determine the starting subframe of a data channel. In one novel aspect, the UE monitors one or more control channel candidates, which at least one of the control channel candidate occupies a plurality of the subframes. The UE detects a control channel intended for the UE, decodes the control channel and determines the starting subframe of the data channel based on the control channel and a known gap. In another novel aspect, the UE further obtains a subframe indicator from the control channel. The subframe indicator signals either the number of subframes between the starting subframe of the data channel and the starting subframe of the control channel, or the number of subframes of the control channel, or the starting subframe of the data channel. In another embodiment, predefined rule can be applied to the subframe indicator to determining the starting subframe of the data channel.Type: GrantFiled: September 27, 2019Date of Patent: February 1, 2022Assignee: HFI INNOVATION INC.Inventors: Xiangyang Zhuang, Feifei Sun
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Publication number: 20220029870Abstract: An apparatus and system to compensate for phase noise in a 5G or 6G DFT-S-OFDM signal are described. An access port (AP)-specific orthogonal cover code (OCC) is applied to phase tracking reference signal (PTRS) symbols in each of a plurality of PTRS groups. The PTRS group are inserted between data symbols to form a data vector prior to perform transform precoding, on the data vector and transmission to a UE. The UE extracts the PTRS symbols from different PTRS APs using the OCC specific to each AP. After extraction, the phase noise for each PTRS group is estimated and used to compensate the data symbols associated with the PTRS group.Type: ApplicationFiled: October 12, 2021Publication date: January 27, 2022Inventors: Peng Lu, Alexei Davydov, Jong-Kae Fwu, Sungho Moon, Xiangyang Zhuang
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Patent number: 11165495Abstract: Methods and apparatus for communicating in a wireless network including apparatus comprising transceiver circuitry to send and receive data in a plurality of time periods, defined by a time division duplex (TDD) time grid, to another entity, the plurality of time periods corresponding to a plurality of orthogonal frequency division multiplexing (OFDM) symbols and the transceiver circuitry being operable to switch from receive mode to transmit mode and/or from transmit mode to receive mode according to a flexible uplink and downlink allocation of the plurality of time periods; and baseband circuitry coupled to the transceiver circuitry to control the transceiver circuitry to switch during a switching interval embedded within a time period corresponding to an OFDM symbol of the plurality of OFDM symbols.Type: GrantFiled: February 14, 2020Date of Patent: November 2, 2021Assignee: Apple Inc.Inventors: Sabine Roessel, Holger Neuhaus, Yeong-Sun Hwang, Bertram Gunzelmann, Andreas Menkhoff, Elmar Wagner, Jong-Kae Fwu, Xiangyang Zhuang
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Patent number: 11159969Abstract: A wireless terminal receives signaling information, pertaining to a reference signal transmission in at least one specifically designated sub frame, the signaling information including a list, the list including base station identities. The terminal determines, from at least one of the base station identities in the list, the time-frequency resources associated with a reference signal transmission intended for observed time difference of arrival (OTDOA) measurements from a transmitting base station associated with said one base station identity. The time of arrival of a transmission from the transmitting base station, relative to reference timing, is measured. The wireless terminal can receive a command from a serving cell to start performing inter-frequency OTDOA measurement on a frequency layer containing reference signals, the frequency layer distinct from the serving frequency layer, the serving frequency layer not containing positioning reference signals.Type: GrantFiled: March 30, 2015Date of Patent: October 26, 2021Assignee: GOOGLE TECHNOLOGY HOLDINGS LLCInventors: Robert T. Love, Ajit Nimbalker, Kenneth A. Stewart, Sandeep H. Krishnamurthy, Xiangyang Zhuang
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Publication number: 20200259561Abstract: Methods and apparatus for communicating in a wireless network including apparatus comprising transceiver circuitry to send and receive data in a plurality of time periods, defined by a time division duplex (TDD) time grid, to another entity, the plurality of time periods corresponding to a plurality of orthogonal frequency division multiplexing (OFDM) symbols and the transceiver circuitry being operable to switch from receive mode to transmit mode and/or from transmit mode to receive mode according to a flexible uplink and downlink allocation of the plurality of time periods; and baseband circuitry coupled to the transceiver circuitry to control the transceiver circuitry to switch during a switching interval embedded within a time period corresponding to an OFDM symbol of the plurality of OFDM symbols.Type: ApplicationFiled: February 14, 2020Publication date: August 13, 2020Inventors: Sabine Roessel, Holger Neuhaus, Yeong-Sun Hwang, Bertram Gunzelmann, Andreas Menkhoff, Elmar Wagner, Jong-Kae Fwu, Xiangyang Zhuang
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Patent number: 10728797Abstract: A method of interference cancellation is proposed. A UE obtains configuration information of a data transmission from a neighboring cell via an interference channel in a mobile communication network. The UE receives radio signals on a set of data resource elements as determined based on the obtained configuration information. The UE then estimates the interference channel corresponding to the data transmission from the neighboring cell based on the received radio signals on the set of data resource elements. Finally, the UE cancels the data transmission from the neighboring cell based on the estimated interference channel.Type: GrantFiled: October 9, 2018Date of Patent: July 28, 2020Assignee: HFI Innovation INC.Inventors: Lung-Sheng Tsai, Xiangyang Zhuang
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Publication number: 20200213173Abstract: Methods and apparatus are provided for narrowband UEs. In one novel aspect, frequency hopping is used. The UE stays on the first frequency band for consecutive number of subframes before hopping to another frequency band. In another embodiment, the first set of resource elements and the second set of resource elements are discontinued with a gap in the time domain. In another novel aspect, the UE obtains sub-band information and a resource index and generates a communication channel for data frame transmission and receiving. In one embodiment, the UE further acquires the sub-band set information through system information. In yet another embodiment, the resource index is acquired from DCI. In yet another novel aspect, resource blocks are selected for a PUCCH for a narrowband UE. The UE determines an operating sub-band information and selects one or more narrowband regions for the PUCCH.Type: ApplicationFiled: March 11, 2020Publication date: July 2, 2020Inventors: Feifei SUN, Xiangyang ZHUANG
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Patent number: 10567074Abstract: Methods and apparatus for communicating in a wireless network including apparatus comprising transceiver circuitry to send and receive data in a plurality of time periods, defined by a time division duplex (TDD) time grid, to another entity, the plurality of time periods corresponding to a plurality of orthogonal frequency division multiplexing (OFDM) symbols and the transceiver circuitry being operable to switch from receive mode to transmit mode and/or from transmit mode to receive mode according to a flexible uplink and downlink allocation of the plurality of time periods; and baseband circuitry coupled to the transceiver circuitry to control the transceiver circuitry to switch during a switching interval embedded within a time period corresponding to an OFDM symbol of the plurality of OFDM symbols.Type: GrantFiled: April 1, 2016Date of Patent: February 18, 2020Assignee: Apple Inc.Inventors: Sabine Roessel, Holger Neuhaus, Yeong-Sun Hwang, Bertram Gunzelmann, Andreas Menkhoff, Elmar Wagner, Jong-Kae Fwu, Xiangyang Zhuang
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Publication number: 20200029328Abstract: Apparatus and method are provided to determine the starting subframe of a data channel. In one novel aspect, the UE monitors one or more control channel candidates, which at least one of the control channel candidate occupies a plurality of the subframes. The UE detects a control channel intended for the UE, decodes the control channel and determines the starting subframe of the data channel based on the control channel and a known gap. In another novel aspect, the UE further obtains a subframe indicator from the control channel. The subframe indicator signals either the number of subframes between the starting subframe of the data channel and the starting subframe of the control channel, or the number of subframes of the control channel, or the starting subframe of the data channel. In another embodiment, predefined rule can be applied to the subframe indicator to determining the starting subframe of the data channel.Type: ApplicationFiled: September 27, 2019Publication date: January 23, 2020Inventors: Xiangyang Zhuang, Feifei Sun
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Patent number: 10491334Abstract: Technology for an eNodeB to communicate with a user equipment (UE) using a extended downlink (DL) self-contained frame within a wireless communication network is disclosed. The eNodeB can process data to form an extended downlink (DL) self-contained frame, comprising: a first self-contained subframe including a DL control data, DL data, uplink (UL) control data, and one or more reference symbols; an Mth subframe is located subsequent to the first self-contained subframe, the Mth subframe including one or more resource elements configured for DL data, wherein M is a positive integer greater that is greater than one; and an Nth subframe that is subsequent to the Mth subframe, the Nth subframe including one or more resource elements configured for UL control data. The eNodeB can process the extended DL self-contained frame for transmission to the UE.Type: GrantFiled: April 2, 2016Date of Patent: November 26, 2019Assignee: Intel IP CorporationInventors: Sabine Roessel, Holger Neuhaus, Bertram Gunzelmann, Yeong-Sun Hwang, Jong-Kae Fwu, Xiangyang Zhuang
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Patent number: 10470177Abstract: Apparatus and method are provided to determine the starting subframe of a data channel. In one novel aspect, the UE monitors one or more control channel candidates, which at least one of the control channel candidate occupies a plurality of the subframes. The UE detects a control channel intended for the UE, decodes the control channel and determines the starting subframe of the data channel based on the control channel and a known gap. The UE further obtains a subframe indicator from the control channel. The subframe indicator signals either the number of subframes between the starting subframe of the data channel and the starting subframe of the control channel, or the number of subframes of the control channel, or the starting subframe of the data channel. In one embodiment, predefined rule can be applied to the subframe indicator to determining the starting subframe of the data channel.Type: GrantFiled: February 8, 2016Date of Patent: November 5, 2019Assignee: HFI Innovation INC.Inventors: Xiangyang Zhuang, Feifei Sun
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Patent number: 10411840Abstract: Apparatus and methods are provided to enhance HARQ mechanism. In one novel aspect, the UE decodes resource blocks in a HARQ indicator channel and detects a single-state HARQ indicator encoded with a UE ID of the UE. The UE determines a HARQ acknowledgment status for the data transmission based on the HARQ indicator. In one embodiment, the HARQ indicator channel is either a UE-specific channel, a group-specific channel or a cell-specific channel. In another novel aspect, the UE increases a HARQ count upon decoding the HARQ indicator channel. The UE retransmits the data transmission if the HARQ count is smaller than a predefined maximum HARQ count and the HARQ acknowledgement status is determined to be negative. Otherwise, the UE stops the data transmission. In another embodiment, the UE terminates the data transmission is the total repetition number is greater than a predefined maximum data transmission number.Type: GrantFiled: June 8, 2016Date of Patent: September 10, 2019Assignee: HFI Innovation INC.Inventors: Hua-Min Chen, Feifei Sun, Xiangyang Zhuang
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Patent number: 10396934Abstract: Apparatus and methods are provided to report channel status with transmission repetition. In one novel aspect, the mobile station computes a transmission efficiency for a transport block, which is repeatedly transmitted such that the transport block is received with a predefined receiving quality; determines a channel quality indicator based on the transmission efficiency and transmits it to a base station. In one embodiment, the transport block is repeatedly transmitted over multiple subframes. In another novel aspect, the mobile station computes a plurality of transmission efficiencies corresponding to a plurality of transport blocks, wherein at least one transport block is repeatedly transmitted such that each transport block is received with a pre-defined receiving quality.Type: GrantFiled: November 4, 2014Date of Patent: August 27, 2019Assignee: HFI Innovation INC.Inventors: Feifei Sun, Xiangyang Zhuang, Hua-Min Chen
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Patent number: 10348431Abstract: A method of small cell discovery and RSRP/RSRQ measurements in OFDM/OFDMA systems is proposed. A discovery reference signal (DRS) with low transmission frequency is introduced to support small cell detection within a short time, multiple small cell discovery, and accurate measurement of multiple small cells. The DRS consists of one or multiple reference signal types with the functionalities including timing and frequency synchronization, cell detection, RSRP/RSSI/RSRQ measurements, and interference mitigation. RE muting is configured for the DRS to reduce interference level from data to DRS for discovery and RSRP/RSRQ measurements for small cells.Type: GrantFiled: July 24, 2017Date of Patent: July 9, 2019Assignee: HFI Innovation INC.Inventors: Pei-Kai Liao, Hsiao-Lan Chiang, Chien-Chang Li, Xiangyang Zhuang
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Patent number: 10284281Abstract: A wireless communication base station is disclosed. The base station includes a transceiver coupled to a controller configured to generate a sub-frame having first control region for a first set of users and a second control region for a second set of users that do not receive the first control region, the first control region has a fixed starting location within the sub-frame and the second control region has a starting location that is one of several possible starting locations within the sub-frame, wherein the controller is configured to cause the transceiver to transmit the sub-frame to the first and second sets of users without signaling the starting location of the second control region in the sub-frame.Type: GrantFiled: July 1, 2015Date of Patent: May 7, 2019Assignee: Google Technology Holdings LLCInventors: Xiangyang Zhuang, Robert T. Love, Vijay Nangia, Ajit Nimbalker, Kenneth A. Stewart