Patents by Inventor Beibei Wang

Beibei Wang 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).

  • Publication number: 20180368153
    Abstract: 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: Application
    Filed: May 2, 2018
    Publication date: December 20, 2018
    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
  • Publication number: 20180368199
    Abstract: 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: Application
    Filed: April 30, 2018
    Publication date: December 20, 2018
    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
  • Publication number: 20180367230
    Abstract: Apparatuses, systems, and methods for a wireless device to perform simultaneous uplink activity for multiple RATs in the same carrier using multiplexing at a layer above the physical layer. The wireless device may establish wireless links with first and second base stations, respectively, according to first and second radio access technologies (RATs), respectively. 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 inter-RAT uplink coexistence in the same frequency band is enabled. If so, the wireless device may perform uplink activity for both the first RAT and the second RAT in the first system bandwidth by multiplexing uplink data for the first RAT and uplink data for the second RAT at a layer above the physical layer.
    Type: Application
    Filed: June 15, 2018
    Publication date: December 20, 2018
    Inventors: Li Su, Haijing Hu, Dawei Zhang, Wei Zeng, Yuchul Kim, Xiangying Yang, Beibei Wang, Zhu Ji, Yang Li, Jia Tang, Sami M. Almalfouh, Johnson O. Sebeni, Wei Zhang, Tianyan Pu
  • Publication number: 20180351775
    Abstract: Methods, apparatus and systems for object motion detection are disclosed. In one example, a system having at least a processor and a memory with a set of instructions stored therein for detecting object motion in a venue is disclosed.
    Type: Application
    Filed: August 11, 2018
    Publication date: December 6, 2018
    Applicant: ORIGIN WIRELESS, INC.
    Inventors: Feng Zhang, Chen Chen, Beibei Wang, Hung-Quoc Duc Lai, Oscar Chi-Lim Au, K. J. Ray Liu
  • Publication number: 20180351659
    Abstract: Methods, systems and apparatus for a user equipment to mitigate interference in a wireless charging state. The user equipment may determine when the user equipment enters a wireless charging state and, when the user equipment enters the wireless charging state, activate an interference mitigation. The user equipment may further determine when the UE exits the wireless charging state and, when the user equipment exits the wireless charging state, deactivate the interference mitigation.
    Type: Application
    Filed: June 2, 2017
    Publication date: December 6, 2018
    Inventors: Srinivasan Nimmala, Sethuraman Gurumoorthy, Vijay Venkataraman, Vijay Kumar Ramamurthi, Srirang A. Lovlekar, Lakshmi N. Kavuri, Sang Ho Baek, Yifan Zhu, Karthik Anantharaman, Rangakrishna Nallandigal, Sree Ram Kodali, Adesh Kumar, Xin Wang, Eyad Al-Shemali, Xiangpeng Jing, Sivaramachandran Ganesan, Longda Xing, Jianxiong Shi, Sami M. Almalfouh, Zhu Ji, Johnson O. Sebeni, Beibei Wang, Sunny Arora
  • Patent number: 10129862
    Abstract: A base station of a time reversal communication system is provided. The base station receives a set of channel probing signals from a set of terminal devices, determines channel impulse responses based on the channel probing signals, and determines location-specific signature waveforms based on the channel impulse responses, in which each of the location-specific signature waveforms is associated with a particular location of the respective terminal device. The base station generates a set of medium access layer parameters, in which each medium access layer parameter is associated with a particular one of the terminal devices. For each terminal device, the base station generates transmit data signals based on data intended for the terminal device, and the medium access layer parameter and the location-specific signature waveform associated with the terminal device. The base station transmits the transmit data signals wirelessly to the terminal devices.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: November 13, 2018
    Assignee: Origin Wireless, Inc.
    Inventors: Zhung-Han Wu, Beibei Wang, Chunxiao Jiang, Zoltan Safar, K. J. Ray Liu
  • Patent number: 10122409
    Abstract: There is provided a communication system including a transmitting section and a receiving section which includes a plurality of receivers. The transmitting section includes a communication unit which receives a plurality of signals respectively from the plurality of receivers, and stores a plurality of time-reversed signals corresponding to the received plurality of signals with respect to the plurality of receivers, and a first conversion unit which converts, by a first factor, a plurality of information sequences to be respectively transmitted to the plurality of receivers and forward the plurality of converted information sequences to the communication unit. The communication unit generates, based on the plurality of converted information sequences, a plurality of output signals to be respectively transmitted to the plurality of receivers, each of the plurality of the output signals including a location-specific signature unique to the corresponding receiver.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: November 6, 2018
    Assignee: UNIVERSITY OF MARYLAND AT COLLEGE PARK
    Inventors: Feng Han, Yu-Han Yang, Beibei Wang, Yongle Wu, K. J. Ray Liu
  • Patent number: 10097337
    Abstract: A method and device are described that may be implemented by a user equipment (UE) that established a first connection to a first network component, the user equipment configured to establish a second connection with a second network component, the user equipment configured for a carrier aggregation functionality, the first network component serving as a primary serving cell (PCell) and the second network component serving as a secondary serving cell (SCell). The method may include determining a cycle comprising a first time when a SCell measurement is performed and a remainder second time, when the cumulative first and second times is less than a threshold cycle time, determining an interruption opportunity based on activity between the UE and the PCell and when the interruption opportunity is determined, deactivating a radio frequency (RF) chain associated with the SCell during the second time.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: October 9, 2018
    Assignee: APPLE INC.
    Inventors: Zhu Ji, Beibei Wang, Johnson O. Sebeni
  • Publication number: 20180183650
    Abstract: Method, apparatus and systems for object tracking are disclosed. In one example, a disclosed method includes obtaining at least one time series of channel information (CI) of a wireless multipath channel using: a processor, a memory communicatively coupled with the processor and a set of instructions stored in the memory. The at least one time series of channel information is extracted from a wireless signal transmitted between a Type 1 heterogeneous wireless device at a first position in a venue and a Type 2 heterogeneous wireless device at a second position in the venue through the wireless multipath channel. The wireless multipath channel is impacted by a current movement of an object in the venue. The method also includes determining a spatial-temporal information of the object based on at least one of: the at least one time series of channel information, a time parameter associated with the current movement, and a past spatial-temporal information of the object.
    Type: Application
    Filed: January 17, 2018
    Publication date: June 28, 2018
    Applicant: ORIGIN WIRELESS, INC.
    Inventors: Feng ZHANG, Hung-Quoc Duc LAI, Chun-I CHEN, Chau-Wai WONG, Beibei WANG, Chen CHEN, Oscar Chi-Lim AU, Yi HAN, K. J. Ray LIU
  • Publication number: 20180131554
    Abstract: The present teaching relates to collecting and processing location-specific wireless waveforms for use in wireless communication, components, methods, apparatuses, servers, and systems. In one embodiment, a disclosed system comprises a first wireless transceiver of a first device, and at least one second wireless transceiver of at least one second device. The first wireless transceiver of the first device is wirelessly coupled to the at least one second wireless transceiver through a wireless multipath channel associated with a space. The first device with the first wireless transceiver comprises a processor and a memory, which are configured to obtain a set of channel information (CI) and perform a task associated with the space based on the set of channel information.
    Type: Application
    Filed: January 3, 2018
    Publication date: May 10, 2018
    Applicant: ORIGIN WIRELESS, INC.
    Inventors: K. J. Ray LIU, Hung-Quoc Duc LAI, Beibei WANG, Chen CHEN, Oscar Chi-Lim AU
  • Patent number: 9887864
    Abstract: A method of connecting heterogeneous devices to a network is provided. The method includes providing base stations connected to a network, and at each of the base stations, receiving probe signals from terminal devices working on different frequency bands. For each of the terminal devices, the base station calculates a signature waveform based on a time-reversed waveform of a channel response signal derived from the corresponding probe signal. For each of the terminal devices, the base station determines a downlink transmit signal for the terminal device based on the downlink data and the corresponding signature waveform, and transmits the downlink signals to the heterogeneous terminal devices using a single radio-frequency front-end.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: February 6, 2018
    Assignee: Origin Wireless, Inc.
    Inventors: Yi Han, Yan Chen, Beibei Wang, K. J. Ray Liu
  • Patent number: 9883511
    Abstract: A transmitter receives channel impulse response signals derived from impulse signals sent from two or more receivers, each impulse signal being sent from one of the receivers to the transmitter through multiple propagation paths. Downlink waveforms for the two or more receivers are calculated in a way so as to increase a weighted sum-rate under a total power constraint, the downlink waveforms being determined based on time-reversed channel impulse response signals and initial virtual uplink power allocation coefficients. Updated virtual uplink power allocation coefficients are determined based on the downlink waveforms, and downlink power allocation coefficients are determined based on the downlink waveforms and the virtual uplink power allocation coefficients.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: January 30, 2018
    Assignee: Origin Wireless, Inc.
    Inventors: Yu-Han Yang, Beibei Wang, K. J. Ray Liu
  • Publication number: 20180026481
    Abstract: The present teaching relates to wireless power transmission based on power waveforming. In one example, an apparatus for wireless power transmission is disclosed. The apparatus comprises: at least one antenna configured for receiving at least one wireless signal from a receiver, via a multipath channel between the apparatus and the receiver; and at least one processor configured for estimating at least one channel state information (CSI) of the multipath channel based on the at least one wireless signal, determining a power transmission waveform based on the at least one CSI, and calculating a power transfer signal based on the power transmission waveform and a reference signal. The at least one antenna is further configured for wirelessly transmitting the power transfer signal to the receiver.
    Type: Application
    Filed: May 2, 2017
    Publication date: January 25, 2018
    Applicant: ORIGIN WIRELESS, INC.
    Inventors: Meng-Lin KU, Yi Han, Hung-Quoc Duc Lai, Yan Chen, Beibei Wang, K. J. Ray Liu
  • Publication number: 20170359779
    Abstract: A method and device for scheduling SR transmissions for a user equipment (UE) associated with an evolved Node B (eNB) of a Long Term Evolution (LTE) network. The method includes determining an SR is to be transmitted to the LTE network, determining an uplink grant behavior of the eNB, when the uplink grant behavior of the eNB indicates that previous uplink grants satisfy a threshold of previous grants occurring in onDurations of the cycle of a C-DRX functionality, selecting one of the at least one SR opportunity that follows a next onDuration relative to when the indication is received and scheduling the SR in the one of the at least one SR opportunity that follows the next onDuration. The method further including determining an uplink grant turnaround time associated with the eNB, and selecting one of the at least one SR opportunity based on the uplink grant turnaround time.
    Type: Application
    Filed: June 10, 2016
    Publication date: December 14, 2017
    Inventors: Beibei WANG, Zhu JI, Johnson O. SEBENI
  • Publication number: 20170359160
    Abstract: A method and device are described that may be implemented by a user equipment (UE) that established a first connection to a first network component, the user equipment configured to establish a second connection with a second network component, the user equipment configured for a carrier aggregation functionality, the first network component serving as a primary serving cell (PCell) and the second network component serving as a secondary serving cell (SCell). The method may include determining a cycle comprising a first time when a SCell measurement is performed and a remainder second time, when the cumulative first and second times is less than a threshold cycle time, determining an interruption opportunity based on activity between the UE and the PCell and when the interruption opportunity is determined, deactivating a radio frequency (RF) chain associated with the SCell during the second time.
    Type: Application
    Filed: June 10, 2016
    Publication date: December 14, 2017
    Inventors: Zhu JI, Beibei Wang, Johnson O. Sebeni
  • Publication number: 20170359780
    Abstract: A device, system, and method adaptively adjusts monitoring for opportunities. The method is performed at a user equipment (UE) configured to control an operation of a transceiver, the transceiver configured to enable the UE to establish a connection with a Long Term Evolution (LTE) network, the user equipment and the LTE network configured with and utilizing a Connected Discontinuous Reception (CDRX) functionality. The method includes receiving a response from the LTE network for an uplink transmission. When the response is an acknowledgement (ACK), the method includes determining whether a value of a network parameter associated with the connection with the LTE network satisfies a predetermined threshold. When the network parameter satisfies the predetermined threshold, the method includes omitting a monitoring opportunity to verify that the ACK is a true ACK.
    Type: Application
    Filed: June 10, 2016
    Publication date: December 14, 2017
    Inventors: Zhu JI, Beibei WANG, Johnson 0. SEBENI
  • Publication number: 20170321195
    Abstract: Presented herein are methods and compositions for thermostable DNA polymerases that may be used to improve the PCR process and to improve the results obtained when using a thermostable DNA polymerase in other recombinant techniques such as DNA sequencing, nick-translation, and reverse transcription.
    Type: Application
    Filed: November 13, 2015
    Publication date: November 9, 2017
    Applicant: Illumina, Inc.
    Inventors: Misha Golynskiy, Molly He, Michael Previte, BeiBei Wang, Sergio Peisajovich
  • Publication number: 20170188359
    Abstract: A time-reversal wireless system comprising a first wireless transceiver of a time-reversal client, one or more second wireless transceiver and/or a time-reversal client with the first wireless transceiver. The first wireless transceiver of the time-reversal client is wirelessly coupled to the one or more second wireless transceiver through a wireless broadband multipath channel associated with a space. The time-reversal client contains the first wireless transceiver. The time-reversal client also contains a processor and a memory configured to obtain a set of channel state information (CSI) in a channel probing phase, and/or to obtain a set of location-specific signatures based on the set of CSI and/or a time reversal operation in a channel probing phase.
    Type: Application
    Filed: December 19, 2016
    Publication date: June 29, 2017
    Inventors: K.J. Ray Liu, Hung-Quoc Duc Lai, Beibei Wang, Qinyi Xu, Chen Chen, Feng Zhang, Yi Han, Zhung-Han Wu, Zoltan Safar, Oscar Chi-Lim Au
  • Patent number: 9584291
    Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus receives one or more D2D broadcasts in a set of subchannels of a channel. In addition, the apparatus broadcasts in at least one subchannel of the channel information indicating a subset of the set of subchannels. The one or more D2D broadcasts may include a first set of broadcasts that includes control information and a second set of broadcasts that includes data traffic. The broadcasted information may be control information. The apparatus may determine a signal strength of each of the one or more D2D broadcasts received in the set of subchannels. The broadcasted information may further include the determined signal strength for each subchannel in the subset of the set of subchannels.
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: February 28, 2017
    Assignee: QUALCOMM INCORPORATED
    Inventors: Saurabha Rangrao Tavildar, Bilal Sadiq, Shreeshankar Ravishankar Bodas, Qiao Li, Beibei Wang
  • Patent number: 9185667
    Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus (e.g., first transmitter) determines a transmission power of each of a plurality of neighboring transmitters respectively transmitting on a plurality of subchannels in a bandwidth, detects a pathloss to each of the plurality of neighboring transmitters respectively transmitting on the plurality of subchannels, and selects one of the plurality of subchannels for transmitting a signal based on the determined transmission power on each of the plurality of subchannels and the detected pathloss to each of the plurality of neighboring transmitters respectively transmitting on the plurality of subchannels.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: November 10, 2015
    Assignee: QUALCOMM Incorporated
    Inventors: Beibei Wang, Saurabha Rangrao Tavildar, Qiao Li, Bilal Sadiq, Shreeshankar Ravishankar Bodas