Patents by Inventor Xipeng Zhu

Xipeng Zhu 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).

  • Patent number: 11153776
    Abstract: Wireless communications systems as described herein may be configured to provide user equipment (UE) assisted information for caching data at a network node external to a core network (CN). In some cases, the UE may provide an acceleration indicator (AI) that a base station may receive and identify as caching information. The base station, upon identifying that the AI is present in an uplink packet, may transmit the packet to a gateway having a local cache. If the uplink packet does not have an AI, the base station may route the uplink packet according to an address (e.g., a uniform resource locator (URL)) contained in the packet.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: October 19, 2021
    Assignee: QUALCOMM Incorporated
    Inventors: Ruiming Zheng, Xipeng Zhu, Huichun Liu
  • Publication number: 20210289471
    Abstract: Methods, systems, and devices for on-demand multicast control channel (MCCH) messages are described. A user equipment (UE) may receive, from a base station, system information indicating an MCCH message configuration. Based on receiving the MCCH message configuration, the UE may transmit a request for an MCCH message. For example, the UE may transmit the request for the MCCH message by a random access preamble or a radio resource control (RRC) message. After transmitting the request, the UE may receive the MCCH message in accordance with the MCCH message configuration. That is, the base station may receive the request and transmit the MCCH message in response to the request. The MCCH message may indicate a multicast service radio bearer (MRB) configuration for receiving multicast traffic. Thus, the UE may receive multicast traffic from the base station in accordance with the MRB configuration.
    Type: Application
    Filed: January 4, 2021
    Publication date: September 16, 2021
    Inventors: Xipeng Zhu, Prasad Reddy Kadiri, Xiaoxia Zhang
  • Publication number: 20210289534
    Abstract: Aspects described herein relate to configuring and indicating radio resource control (RRC) message types in wireless communications, to support new UE categories, new operation modes, new use cases, or a combination thereof. Configuration and indication methods that may support co-existence of new and legacy RRC message types and/or user equipment (UE) procedures for decoding new RRC message type are also described.
    Type: Application
    Filed: February 18, 2021
    Publication date: September 16, 2021
    Inventors: Jing LEI, Hwan Joon KWON, Linhai HE, Huilin XU, Peter Pui Lok ANG, Wanshi CHEN, Xipeng ZHU, Liangchi HSU
  • Patent number: 11122478
    Abstract: Methods, systems, and devices for wireless communications are described that provide for user equipment (UE) camping in a virtual cell. A UE may camp in a virtual cell and may be in an idle mode or an inactive mode in the virtual cell. The UE may transition out of the idle or inactive mode and switch from camping in the virtual cell to connecting to a physical cell encompassed by the virtual cell through reselection, redirection, and handover procedures. The virtual cell may include a central unit and multiple distributed units, which may be configured in various physical implementations. Additionally, the virtual cell may be limited to broadcast only or selective unicast signaling.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: September 14, 2021
    Assignee: Qualcomm Incorporated
    Inventors: Xipeng Zhu, Xiaoxia Zhang, Tom Chin
  • Patent number: 11122477
    Abstract: Methods for performing a handover in wireless communications for a user plane function (UPF) are disclosed. In an aspect, the method includes establishing a tunnel between the UPF and a target base station based on information in a path switch preparation request for a make before break handover of a user equipment (UE) from a source base station to the target base station, the path switch preparation request being received in response to a request originating by the target base station. The method further includes bi-casting a downlink data packet unit (PDU) to a source base station and to the target base station with a same sequence number (SN) in a tunnel protocol, receiving PDUs from the source base station and the target base station with corresponding PDUs having the same SNs in the tunnel protocol and discarding received duplicate PDUs based on the SNs in the tunnel protocol.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: September 14, 2021
    Assignee: QUALCOMM Incorporated
    Inventors: Xipeng Zhu, Luis Fernando Brisson Lopes, Gavin Bernard Horn, Karthika Paladugu
  • Publication number: 20210282103
    Abstract: Techniques are described that provide network assisted multi-subscription physical layer sharing at a user equipment (UE) by transmitting a multi-subscription coordination capability to a network, establishing a link for a first subscription with the network based on the multi-subscription coordination capability, and establishing a second subscription with the network using the link based on the multi-subscription coordination capability, the first subscription is associated with the second subscription.
    Type: Application
    Filed: July 12, 2017
    Publication date: September 9, 2021
    Inventors: Xipeng Zhu, Ruiming Zheng, Xiaoxia Zhang, Xiaohui Liu, Gavin Bernard Horn
  • Publication number: 20210258823
    Abstract: The present disclosure provides systems, methods, and apparatuses for maintaining continuity of a buffer status report (BSR) from a user equipment (UE) when the UE is handed over between base stations. In one aspect, a base station or a component thereof may be configured to allocate a set of resources for transmission by a UE. The set of resources may have a capacity that is insufficient for an amount of data indicated by a BSR from the UE. The base station or component thereof may be further configured to transmit, to another base station in association with handover of the UE, an indication that the capacity of the set of resources is insufficient for the amount of the data indicated by the BSR.
    Type: Application
    Filed: February 11, 2021
    Publication date: August 19, 2021
    Inventors: Xipeng ZHU, Linhai HE, Luis Fernando Brisson LOPES, Gavin Bernard HORN, Ozcan OZTURK, Karthika PALADUGU, Punyaslok PURKAYASTHA
  • Publication number: 20210250825
    Abstract: A delta configuration is signaled for handover of a wireless communication device (e.g., a user equipment, UE) from a first form of connectivity to a second form of connectivity. For example, a UE with master cell group (MCG) connectivity may be handed-over to multiple radio access technology-dual connectivity (MR-DC). In some examples, a UE with standalone (SA) connectivity may be handed-over to non-standalone (NSA) connectivity (e.g., dual connectivity). In conjunction with this handover the UE may be signaled as to whether the UE is to reuse a configuration from the first connectivity mode during the second connectivity mode.
    Type: Application
    Filed: February 2, 2021
    Publication date: August 12, 2021
    Inventors: Punyaslok PURKAYASTHA, Ozcan OZTURK, Xipeng ZHU, Luis Fernando Brisson LOPES, Tom CHIN, Daniel AMERGA, Shailesh MAHESHWARI, Kurt OTTE, Vanitha Aravamudhan KUMAR
  • Publication number: 20210250905
    Abstract: Wireless communications systems and methods related to acknowledgement/negative-acknowledgement (ACK/NACK) feedback operations for multicast communications are provided. A first user equipment (UE) receives, from a base station (BS), a multicast feedback configuration indicating a first resource configuration for a negative-acknowledgement (NACK) feedback mode; and a second resource configuration for an acknowledgement/negative-acknowledgement (ACK/NACK) feedback mode. The first UE receives, from the BS, a first multicast communication. The first UE transmits, to the BS, a NACK feedback for the first multicast communication based on the first resource configuration. The first UE receives, from the BS, a second multicast communication. The first UE transmits, to the BS, an ACK feedback or a NACK feedback for the second multicast communication based on the second resource configuration.
    Type: Application
    Filed: February 10, 2021
    Publication date: August 12, 2021
    Inventors: Le Liu, Peter Gaal, Ayan Sengupta, Alberto Rico Alvarino, Kazuki Takeda, Xiaoxia Zhang, Tao Luo, Wanshi Chen, Prasad Reddy Kadiri, Mostafa Khoshnevisan, Umesh Phuyal, Xipeng Zhu
  • Publication number: 20210250872
    Abstract: Methods, systems, and devices for wireless communications are described. A base station may communicate with a user equipment (UE) or multiple UEs using multicast transmissions, and each of the multiple UEs may use shared resources to transmit feedback. A UE may receive a power control configuration associated with multicast communications and indicating one or more control parameters or weighting factors for uplink feedback. The UE may monitor a set of downlink resources for the multicast message from the base station, and may determine a decoding failure for the multicast message. The UE may determine whether to transmit uplink feedback to the base station based on the received power control parameters, such as adjusting UE transmit power using a weighting factor or other power control parameters. The UE may determine whether to transmit the uplink feedback message indicating the decoding failure based on the power control configuration.
    Type: Application
    Filed: February 9, 2021
    Publication date: August 12, 2021
    Inventors: Kazuki Takeda, Le Liu, Peter Gaal, Ayan Sengupta, Alberto Rico Alvarino, Xiaoxia Zhang, Tao Luo, Wanshi Chen, Prasad Reddy Kadiri, Mostafa Khoshnevisan, Umesh Phuyal, Xipeng Zhu
  • Publication number: 20210250805
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first base station (BS) may receive, from a user equipment (UE), an overheating assistance information communication that indicates a maximum quantity of component carriers, combined between the first BS and a second BS, for the UE. The first BS may transmit, to the second BS, a request to reduce a quantity of component carriers of the second BS configured for the UE such that a total quantity of component carriers, between the first BS and the second BS, configured for the UE satisfies the maximum quantity of component carriers. Numerous other aspects are provided.
    Type: Application
    Filed: December 7, 2020
    Publication date: August 12, 2021
    Inventors: Shanshan WANG, Xipeng ZHU, Arvind Vardarajan SANTHANAM, Ozcan OZTURK, Mouaffac AMBRISS
  • Publication number: 20210235334
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a master node (MN) may receive information indicating one or more candidate target secondary nodes (SNs) for a multi radio access technology dual connectivity (MR-DC) handover of a user equipment (UE), wherein the information indicates that the one or more candidate target SNs are associated with direct forwarding paths with a source radio access network (RAN) node of the UE; select a target SN from the one or more candidate target SNs based at least in part on the received information; and perform the MR-DC handover of the UE, wherein the selected target SN is different than the source RAN node of the UE, and wherein a configuration of the MR-DC handover is based at least in part on a direct forwarding path between the selected target SN and the source RAN node.
    Type: Application
    Filed: January 26, 2021
    Publication date: July 29, 2021
    Inventors: Punyaslok PURKAYASTHA, Xipeng ZHU, Ozcan OZTURK, Gavin Bernard HORN, Luis Fernando Brisson LOPES, Tom CHIN
  • Publication number: 20210235342
    Abstract: This disclosure provides systems, methods and apparatus for wireless communication. In one aspect, a user equipment (UE) may generate an indication of a first doppler shift associated with the wireless communication device moving with reference to a first target base station (BS), obtain, from the serving BS, a handover command for conditional handover (CHO) (with the handover command including a first trigger for handover to the first target BS), and synchronize with the first target BS during CHO after the first trigger is met, wherein the first trigger is associated with the first doppler shift. In another aspect, a serving BS generates the handover command for CHO and provides the handover command to the UE. The UE is to synchronize with the first target BS during CHO after the first trigger associated with a first doppler shift is met.
    Type: Application
    Filed: January 11, 2021
    Publication date: July 29, 2021
    Inventors: Xipeng ZHU, Ming YANG, Kausik RAY CHAUDHURI, Linhai HE
  • Patent number: 11071152
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may identify that a radio resource control connection is to be established for evolved packet system fallback or inter radio access technology fallback from New Radio for a voice call. The UE may determine that an establishment cause received from a network access stratum (NAS) layer does not indicate high priority access. The UE may override the establishment cause such that the establishment cause indicates a mobile originated (MO) voice call based at least in part on determining that the establishment cause received from the NAS layer does not indicate high priority access. The UE may perform an access barring check of an MO voice call based at least in part on overriding the establishment cause such that the establishment cause indicates an MO voice call. Numerous other aspects are provided.
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: July 20, 2021
    Assignee: QUALCOMM Incorporated
    Inventors: Min Wang, Xipeng Zhu, Masato Kitazoe, Lenaig Genevieve Chaponniere, Zhong Ren, Xinli Song, Tom Chin, Osama Lotfallah
  • Publication number: 20210204248
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a notification of a change to multicast broadcast (MB) control information associated with at least one MB service to which the UE is subscribed, the MB control information being included in an MB control channel (MBCCH) scheduled by a physical downlink control channel (PDCCH) communication addressed to an MB radio network temporary identifier (MB-RNTI); and monitor one or more resources of the MBCCH to receive updated MB control information based at least in part on receiving the notification of the change to the MB control information. Numerous other aspects are provided.
    Type: Application
    Filed: November 30, 2020
    Publication date: July 1, 2021
    Inventors: Xiaoxia ZHANG, Xipeng ZHU, Le LIU, Alberto RICO ALVARINO, Kazuki TAKEDA, Prasad Reddy KADIRI, Umesh PHUYAL, Wanshi CHEN
  • Publication number: 20210194714
    Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may selectively determine to decode a downlink shared channel multicast transmission based on whether the downlink shared channel includes a retransmission of an initial multicast transmission. A base station may transmit a message in a downlink control channel to indicate if the downlink shared channel is carrying the retransmission of the initial multicast transmission. For example, the base station may transmit a group random network temporary identifier, downlink control information with a retransmission indicator bit, or both to indicate if the downlink shared channel is carrying the retransmission. In some cases, the message in the downlink control channel may be received at a layer one (L1) of the UE, and the downlink shared channel transmission may be decoded at L1 of the UE and sent to a layer two (L2) of the UE for processing.
    Type: Application
    Filed: December 10, 2020
    Publication date: June 24, 2021
    Inventors: Prasad Reddy Kadiri, Sitaramanjaneyulu Kanamarlapudi, Le Liu, Kazuki Takeda, Gavin Bernard Horn, Xipeng Zhu, Umesh Phuyal, Alberto Rico Alvarino
  • Publication number: 20210185566
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may obtain a set of measurements related to a unicast service channel based at least in part on one or more reference signals associated with the unicast service channel and a set of measurements related to a multicast/broadcast service (MBS) channel based at least in part on one or more reference signals associated with the MBS channel. The UE may apply one or more communication parameters to ensure continuity for an MBS service. For example, in some aspects, the one or more communication parameters are based at least in part on the set of measurements related to the unicast service channel and the set of measurements related to the MBS channel. Numerous other aspects are provided.
    Type: Application
    Filed: October 26, 2020
    Publication date: June 17, 2021
    Inventors: Xipeng ZHU, Gavin Bernard HORN, Alberto RICO ALVARINO, Prasad Reddy KADIRI, Xiaoxia ZHANG, Le LIU, Kazuki TAKEDA, Umesh PHUYAL, Wanshi CHEN
  • Patent number: 11025398
    Abstract: Certain aspects of the present disclosure provide techniques for remote interference determination at a first base station based on assistance from one or more neighboring base stations of the first base station. Certain aspects provide a method for wireless communication by a first base station (BS). The method includes receiving from a second BS neighboring the first BS an uplink interference report request. The method further includes transmitting to the second BS an uplink interference report in response to the uplink interference report request, the uplink interference report comprising information indicative of uplink interference caused by one or more user equipments communicating on an uplink with the first BS.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: June 1, 2021
    Inventors: Xipeng Zhu, Huilin Xu, Tingfang Ji
  • Patent number: 11025371
    Abstract: A method, an apparatus, and a computer-readable medium for wireless communication are provided. In one configuration, the apparatus may be a UE. The UE receives PTM data from a base station. The UE attempts to decode the PTM data based on an identifier. The UE determines whether to transmit feedback information to the base station based on the attempt to decode the PTM data. In another configuration, the apparatus may be a base station. The base station transmits PTM data to a UE. The base station retransmits the PTM data to the UE based on feedback information associated with the transmitted PTM data.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: June 1, 2021
    Assignee: QUALCOMM Incorporated
    Inventors: Xiaoxia Zhang, Peter Gaal, Xipeng Zhu, Jun Wang
  • Publication number: 20210144639
    Abstract: Methods, systems, and devices for wireless communications are described. A communication device, such as a user equipment (UE) may monitor a pre-wakeup window during an inactive duration of a multicast discontinuous reception (DRX) cycle that includes multiple active durations and multiple inactive durations. The UE may receive, in the pre-wakeup window, a wakeup signal that indicates a quantity of the active durations in the multicast DRX cycle that the UE is to monitor and the UE may monitor the indicated quantity of active durations for multicast signals for the UE.
    Type: Application
    Filed: November 5, 2020
    Publication date: May 13, 2021
    Inventors: Xiaoxia Zhang, Jing Sun, Alberto Rico Alvarino, Le Liu, Peter Gaal, Xipeng Zhu