Patents by Inventor Yanji Zhang

Yanji Zhang 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: 20200306735
    Abstract: A catalyst including platinum (Pt) and a composite support. The composite support includes ZrO2/mesoporous silica sieve SBA-15. The platinum accounts for 0.01-0.3 wt. % of the catalyst. ZrO2 accounts for 5-20 wt. % of the composite support.
    Type: Application
    Filed: June 15, 2020
    Publication date: October 1, 2020
    Inventors: Jicheng ZHOU, Yanji ZHANG, Fei WANG
  • Patent number: 10778374
    Abstract: A method is provided including receiving, by a user equipment from a wireless network, an indication of a plurality of contention based transmission occasions and a monitoring window size that the user equipment monitors for feedback for the contention based transmission; determining, by a user equipment of a wireless network, whether an amount of user data can be transmitted on one or more of contention based transmission occasions; performing one or more contention based transmissions during the one or more of the contention based transmission occasions based at least on the determination; and monitoring for feedback for each of the performed contention based transmissions based at least on the monitoring window size, wherein the feedback includes feedback for each contention based transmission in a feedback mapping window.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: September 15, 2020
    Assignee: Nokia Technologies Oy
    Inventors: Yanji Zhang, Chunli Wu, Yuantao Zhang
  • Publication number: 20200092805
    Abstract: A method comprising: configuring a user equipment in a low activity state to operate according to a grant-free uplink transmission scheme; and in response to detecting at least one condition, scheduling a discontinuous reception state at the user equipment, during which the user equipment is configured to monitor for one or more messages intended for the user equipment.
    Type: Application
    Filed: December 22, 2016
    Publication date: March 19, 2020
    Inventors: Yanji ZHANG, Mikko SAILY, Yuantao ZHANG
  • Publication number: 20200092767
    Abstract: Various communication systems may benefit from proper handling of mobility. In particular, connected mode mobility may be suitably addressed for enhanced coverage user equipment. A method can include determining to attempt access to a target cell in enhanced coverage mode. The method can also include sending, based on the determination, a report to a source cell of an intent to access the target cell in enhanced coverage mode.
    Type: Application
    Filed: August 11, 2015
    Publication date: March 19, 2020
    Inventors: Jussi-Pekka KOSKINEN, Haitao LI, Benoist SEBIRE, Yanji ZHANG
  • Patent number: 10582452
    Abstract: A method and an apparatus are disclosed, wherein a configuration of at least one channel monitoring related timer is defined such that the effective value of the channel monitoring related timer is mapped to a coverage enhancement CE level. The apparatus performs monitoring of downlink control channel sub-frames transmitted from a network element to a terminal device, according to said configuration of the channel monitoring related timer.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: March 3, 2020
    Assignee: Nokia Solutions and Networks Oy
    Inventors: Chunli Wu, Yanji Zhang, Yuantao Zhang, Benoist Pierre Sebire
  • Publication number: 20200029206
    Abstract: According to an example aspect of the present invention, there is provided a method, comprising: storing a security context comprising a first key for wireless data transmission, and applying a timer for defining validity of the security context for the data transmission during an inactive state.
    Type: Application
    Filed: January 5, 2017
    Publication date: January 23, 2020
    Inventors: Yanji ZHANG, Mikko SAILY, Sofonias HAILU
  • Publication number: 20190297647
    Abstract: Various communication systems may benefit from appropriately configured feedback. For example, certain embodiments may benefit from single cell point-to-multipoint feedback methods and mechanisms. A method can include determining by a user equipment, that a data transport block was not received. The method can also include feeding back, by the user equipment, a preamble indicating a measured downlink channel state information responsive to the determination that the data transport block was not received.
    Type: Application
    Filed: November 4, 2016
    Publication date: September 26, 2019
    Applicant: Nokia Technologies Oy
    Inventors: Yuantao Zhang, Yanji Zhang
  • Publication number: 20190280821
    Abstract: A method is provided including receiving, by a user equipment from a wireless network, an indication of a plurality of contention based transmission occasions and a monitoring window size that the user equipment monitors for feedback for the contention based transmission; determining, by a user equipment of a wireless network, whether an amount of user data can be transmitted on one or more of contention based transmission occasions; performing one or more contention based transmissions during the one or more of the contention based transmission occasions based at least on the determination; and monitoring for feedback for each of the performed contention based transmissions based at least on the monitoring window size, wherein the feedback includes feedback for each contention based transmission in a feedback mapping window.
    Type: Application
    Filed: October 31, 2017
    Publication date: September 12, 2019
    Applicant: Nokia Technologies Oy
    Inventors: Yanji Zhang, Chunli Wu, Yuantao Zhang
  • Publication number: 20190273576
    Abstract: Various communication systems may benefit from improved transmissions. For example, a network transmission may benefit from improved throughput and efficiency in non-schedule multiple access communications. A method includes selecting at a user equipment operating in a non-scheduled access scheme at least one of a first codeword or a second codeword based on an amount of data. The data in the non-scheduled access scheme can be spread according to a spreading sequence. The method also includes determining a transport block size for at least one of the first codeword or the second codeword. In addition, the method includes transmitting the data from the user equipment to a network node using at least one of the first codeword or the second codeword.
    Type: Application
    Filed: May 26, 2016
    Publication date: September 5, 2019
    Inventors: Yuantao Zhang, Zhuyan Zhao, Jingyuan Sun, Hongchao Li, Deshan Miao, Yanji Zhang, Klaus Ingemann Pedersen, Mihai Enescu
  • Publication number: 20190239251
    Abstract: Systems, methods, apparatuses, and computer program products of preamble sequence management for contention based access are provided. One method may include a user equipment sending a contention based access (CBA) request message, such as a random access procedure (RACH) message, to a network node (e.g., a base station or eNB). The CBA request message may include an indication that the user equipment wants to obtain a preamble for CBA data transmission and is not for full network access. The method may then include receiving an allocation of a preamble for CBA from the network node.
    Type: Application
    Filed: July 4, 2016
    Publication date: August 1, 2019
    Inventors: Zexian Li, Yuantao Zhang, Yanji Zhang, Juha Sakari Korhonen
  • Publication number: 20190215822
    Abstract: A method and apparatus to configure a resource pool for a plurality of user equipment configured with contention based transmission; configure a resource allocation within the resource pool for a contention based transmission by a user equipment of the plurality of user equipment configured for contention based transmissions, wherein the resource allocation is configured with more than one predefined or preconfigured sets of resource allocation granularities; and send information including the resource allocation towards the user equipment, wherein the information includes an indication of a set of the predefined or preconfigured sets of the resource allocation granularities that the user equipment is to use for the contention based transmission.
    Type: Application
    Filed: June 8, 2016
    Publication date: July 11, 2019
    Inventors: Yuantao ZHANG, Zhuyan ZHAO, Jingyuan SUN, Hongchao LI, Yanji ZHANG
  • Publication number: 20190153255
    Abstract: A long-acting super-hydrophobic coating resistant to water pressure impact and preparation method thereof. The long-acting super-hydrophobic coating includes a conductive substrate and the following raw materials in parts by weight: 1 part to 10 parts of titanium source or zinc source, 40 parts to 100 parts of deionized water, 20 parts to 50 parts of hydrochloric acid or 20 parts to 40 parts of sodium hydroxide, 1 part to 10 parts of electrolyte, 1 part to 10 parts of low surface energy modifier, 10 parts to 20 parts of high molecular polymer, 1 part to 5 parts of carbon nanotube and 70 parts to 100 parts of organic solvent. The long-acting super-hydrophobic coating has an organic-inorganic nano-interpenetrating network structure, which improves the stability of the multi-stage nano-micro structure, so that the super-hydrophobic coating surface has a good high-pressure water impact resistance and high-pressure static water resistance.
    Type: Application
    Filed: January 15, 2019
    Publication date: May 23, 2019
    Inventors: HUAIYUAN WANG, ZHANJIAN LIU, XIGUANG ZHANG, YANJI ZHU, CHIJIA WANG, CHONGJIANG LV
  • Patent number: 10244450
    Abstract: A method including transmitting signals from a first base station to a second base station in a network; and during an interface setup or an interface update between the first base station and the second base station, receiving by the first base station information regarding at least one of: whether coverage enhancement (CE) is supported by the second base station, a maximum coverage enhancement (CE) level supported by the second base station, whether low-cost coverage enhancement (CE) is supported by the second base station, and coverage enhancement (CE) level criteria at the second base station.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: March 26, 2019
    Assignee: Nokia Technologies Oy
    Inventors: Yanji Zhang, Haitao Li, Benoist Sebire, Jussi-Pekka Koskinen
  • Publication number: 20190021134
    Abstract: A user equipment (UE) and a network access node (eNB or CIoT-BS) each store in their local memory the UE's context. Automatically upon a designated communication between them a timer is initiated that indicates the UE context is valid. For transitioning the UE from an idle to a connected mode, there is a selection between a first and a second procedure and this selection is based on the timer and on at least one other prescribed validity criterion (for example, context validity area, radio conditions or CE level). Data is then sent or received on a radio connection that is obtained via the selected first or second procedure, where only one of the first and second procedures utilizes the stored UE context. During that procedure, in an embodiment the UE can send to the CIoT-BS an indication that it has the stored UE context.
    Type: Application
    Filed: January 8, 2016
    Publication date: January 17, 2019
    Applicant: Nokia Technologies Oy
    Inventors: Yanji ZHANG, Jussi-Pekka KOSKINEN, Sean KELLEY, Hannu Petri HIETALAHTI
  • Publication number: 20190021131
    Abstract: Various communication systems may benefit from time discontinuous transmission. For example, narrow band Internet of things (NB-IoT) may benefit from having transmissions with sufficient time diversity to avoid unnecessary repetition. A method can include configuring a control channel and data channel partitioning pattern within a configured time period. The method can additionally include communicating with at least one user equipment based on the control channel and data channel partitioning pattern.
    Type: Application
    Filed: January 7, 2016
    Publication date: January 17, 2019
    Inventors: Yuantao ZHANG, Chunhai YAO, Yanji ZHANG, Rapeepat RATASUK, Mihai ENESCU
  • Patent number: 10165545
    Abstract: A specific hyper frame to be used for paging information in a cycle is determined. The cycle includes multiple eDRX periods, and includes a number of hyper frames. Each of the multiple eDRX periods has a same duration. The determining uses at least a value corresponding to an identification of a UE and the duration to determine the specific hyper frame. An index is determined of a first paging frame and paging subframe, in multiple consecutive paging frames, in the specific hyper frame. One or more of the consecutive paging frames and corresponding paging subframes in the specific hyper frame are monitored by using the determined index of the first paging frame and paging subframe. Apparatus, methods, programs, and computer program products are disclosed.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: December 25, 2018
    Assignee: Nokia Solutions and Networks Oy
    Inventors: Chunlin Wu, Yanji Zhang
  • Publication number: 20180279256
    Abstract: A specific hyper frame to be used for paging information in a cycle is determined. The cycle includes multiple eDRX periods, and includes a number of hyper frames. Each of the multiple eDRX periods has a same duration. The determining uses at least a value corresponding to an identification of a UE and the duration to determine the specific hyper frame. An index is determined of a first paging frame and paging subframe, in multiple consecutive paging frames, in the specific hyper frame. One or more of the consecutive paging frames and corresponding paging subframes in the specific hyper frame are monitored by using the determined index of the first paging frame and paging subframe. Apparatus, methods, programs, and computer program products are disclosed.
    Type: Application
    Filed: September 25, 2015
    Publication date: September 27, 2018
    Inventors: Chunlin WU, Yanji ZHANG
  • Publication number: 20180262989
    Abstract: A method and an apparatus are disclosed, wherein a configuration of at least one channel monitoring related timer is defined such that the effective value of the channel monitoring related timer is mapped to a coverage enhancement CE level. The apparatus performs monitoring of downlink control channel sub-frames transmitted from a network element to a terminal device, according to said configuration of the channel monitoring related timer.
    Type: Application
    Filed: September 24, 2015
    Publication date: September 13, 2018
    Inventors: Chunli WU, Yanji ZHANG, Yuantao ZHANG, Benoist Pierre SEBIRE
  • Patent number: 10057937
    Abstract: Methods and apparatuses for controlling communication with a communication device connected to a plurality of access points are described. Predefined inactivity in communications between a first access point and the communication device may be determined at the first access point. An indication of predefined inactivity in communications between the communication device and a second access point may be provided by the second access point. Connectivity state of the communication device is only changed when said predefined inactivity in communications between the first access point and the communication device has been determined and said indication has been provided.
    Type: Grant
    Filed: May 2, 2014
    Date of Patent: August 21, 2018
    Assignee: NOKIA SOLUTIONS AND NETWORKS OY
    Inventors: Yanji Zhang, Yang Liu
  • Patent number: 9788300
    Abstract: Systems, methods, apparatuses, and computer program products for narrow band internet of things (NB-IoT) paging optimization are provided. One method includes, when extended discontinuous reception (eDRX) is not configured for a user equipment (UE), applying a maximum repetition number of each coverage enhancement (CE) mode for paging transmission and associating a different repetition number with each paging occasion (PO). When extended discontinuous reception (eDRX) is configured for the user equipment, the method includes associating each paging occasion (PO) with a different repetition number.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: October 10, 2017
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Yanji Zhang, Jussi-Pekka Koskinen, Rapeepat Ratasuk, Haitao Li, Yuantao Zhang