Patents by Inventor Yan Ji

Yan Ji 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: 11272476
    Abstract: Systems, methods, apparatuses, and computer program products for paging of low complexity UE and/or UE in coverage enhancement mode are provided. One method includes producing a machine type communication (MTC) physical downlink control channel (M-PDCCH) configuration by configuring separate M-PDCCH subsets for paging. One of the subsets may be for low complexity user equipment, and another one of the subsets may be for user equipment operating in coverage enhancement mode.
    Type: Grant
    Filed: January 28, 2020
    Date of Patent: March 8, 2022
    Assignee: NOKIA SOLUTIONS AND NETWORKS OY
    Inventors: Yan Ji Zhang, Yuan Tao Zhang, Rapeepat Ratasuk
  • Patent number: 10873968
    Abstract: Method, apparatus and computer program product are disclosed for transmission in a wireless network. A method comprises: transmitting an uplink data block using grant free; detecting a downlink channel after a predefined timing or in a predefined time window; and determining whether the downlink channel being for a user equipment, wherein the uplink data block comprises information for identifying the user equipment identity, and a part of the user equipment identity is used to scramble a predefined part of the user equipment specific downlink channel.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: December 22, 2020
    Assignee: Nokia Technologies Oy
    Inventors: Yuantao Zhang, Yan-Ji Zhang, Yi Zhang
  • Patent number: 10772123
    Abstract: Systems, methods, apparatuses, and computer program products for random access procedure are provided. One method includes selecting, by a user equipment, a subframe for a first transmission of a preamble based on a configuration broadcast by an evolved node B (eNB). The method may also include repeating the preamble within a preamble repetition period based on a configuration broadcast by the eNB.
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: September 8, 2020
    Assignee: Nokia Solutions and Networks Oy
    Inventors: Yuan Tao Zhang, Yan Ji Zhang, Rapeepat Ratasuk, Nitin Mangalvedhe
  • Patent number: 10721108
    Abstract: Various communication systems may benefit from efficient communication of system information. For example, certain wireless communication systems may benefit from system information block enhancement for low complexity user equipment and/or user equipment in coverage enhancement mode. A method can include decoding a transport block size (TBS) index in a compact downlink control information. The method can also include monitoring for SIB based on the decoded TBS index. The method may optionally include monitoring for the SIB based on a predefined transmission pattern of physical downlink control channel for machine type communication. The method may also optionally include decoding of M-SI messages from a subframe according to a pattern indicated by an information element in M-SIB1.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: July 21, 2020
    Assignee: NOKIA SOLUTIONS AND NETWORKS OY
    Inventors: Yan Ji Zhang, Rapeepat Ratasuk
  • Publication number: 20200163051
    Abstract: Systems, methods, apparatuses, and computer program products for paging of low complexity UE and/or UE in coverage enhancement mode are provided. One method includes producing a machine type communication (MTC) physical downlink control channel (M-PDCCH) configuration by configuring separate M-PDCCH subsets for paging. One of the subsets may be for low complexity user equipment, and another one of the subsets may be for user equipment operating in coverage enhancement mode.
    Type: Application
    Filed: January 28, 2020
    Publication date: May 21, 2020
    Inventors: Yan Ji ZHANG, Yuan Tao ZHANG, Rapeepat RATASUK
  • Patent number: 10587021
    Abstract: Provided is an all solid-state lithium battery including solid battery materials and whose ohmic resistance is modulated according to temperature. The all solid-state lithium battery can include a solid electrolyte; at least two terminals for operating the battery at one level of internal resistance (R1) over a temperature range of the battery between a first temperature (T1) and a second temperature (T2); at least one high resistance terminal for operating the battery at a second level of internal resistance (R2) outside of either T1 or T2; and a switch that activates R2 when the temperature of the battery is outside of either T1 or T2. The battery can be configured to include at least one resistor sheet embedded within a cell of the battery and electrically connected to the at least one high resistance terminal.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: March 10, 2020
    Assignee: EC POWER, LLC
    Inventors: Chao-Yang Wang, Yan Ji, Tianren Xu
  • Publication number: 20200068606
    Abstract: Method, apparatus and computer program product are disclosed for transmission in a wireless network. A method comprises: transmitting an uplink data block using grant free; detecting a downlink channel after a predefined timing or in a predefined time window; and determining whether the downlink channel being for a user equipment, wherein the uplink data block comprises information for identifying the user equipment identity, and a part of the user equipment identity is used to scramble a predefined part of the user equipment specific downlink channel.
    Type: Application
    Filed: November 14, 2016
    Publication date: February 27, 2020
    Inventors: Yuantao ZHANG, Yan-Ji ZHANG, Yi ZHANG
  • Patent number: 10548110
    Abstract: Systems, methods, apparatuses, and computer program products for paging of low complexity UE and/or UE in coverage enhancement mode are provided. One method includes producing a machine type communication (MTC) physical downlink control channel (M-PDCCH) configuration by configuring separate M-PDCCH subsets for paging. One of the subsets may be for low complexity user equipment, and another one of the subsets may be for user equipment operating in coverage enhancement mode.
    Type: Grant
    Filed: August 12, 2015
    Date of Patent: January 28, 2020
    Assignee: NOKIA SOLUTIONS AND NETWORKS OY
    Inventors: Yan Ji Zhang, Yuan Tao Zhang, Rapeepat Ratasuk
  • Patent number: 10499436
    Abstract: Systems, methods, apparatuses, and computer program products of physical random access channel (PRACH) selection and random access response (RAR) detection are provided. One method includes specifying, by a network node, a starting point for preamble repetition having a repetition level such that all user equipment (UEs) of the same repetition level start the preamble repetition on a same physical random access channel (PRACH) resource, determining when a series of the preamble repetition is over, and transmitting a random access response (RAR) when the repetition series is finished.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: December 3, 2019
    Assignee: NOKIA SOLUTIONS AND NETWORKS OY
    Inventors: Yan Ji Zhang, Chunli Wu, Benoist Pierre Sebire, Guillaume Decarreau, Chun Hai Yao
  • Patent number: 10499368
    Abstract: Various communication systems may benefit from the proper use of control channel resources. For example, certain communication systems associated with the long term evolution of the third generation partnership project may benefit from physical downlink control channel transmission improvement for paging message coverage enhancement. A method can include obtaining a coverage enhancement paging parameter at a user equipment. The method can also include calculating, by the user equipment, a paging frame or paging occasion according to the paging parameter. In another example, a method can include receiving, at a user equipment, a coverage enhancement paging radio network temporary identifier for use in coverage enhancement mode. The method can also include decoding a physical downlink control channel based on the coverage enhancement paging radio network temporary identifier.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: December 3, 2019
    Assignee: NOKIA SOLUTIONS AND NETWORKS OY
    Inventors: Lei Du, Rapeepat Ratasuk, Yan Ji Zhang
  • Patent number: 10485003
    Abstract: Methods, apparatus and computer program products are disclosed for determining transmission parameters in a wireless network. A method comprises: receiving transmission configuration information used by a network element for determining transmission parameters, wherein the transmission configuration information comprises a first set of parameters comprising at least a first repetition level set index, a first repetition level index, a first resource allocation and a first transport block size index, or a second set of parameters comprising at least a second repetition level index, a second resource allocation, and a second transport block size index, or a third set of parameters comprising at least a modulation and coding scheme level index, a third resource allocation and a third transport block size index; determining transmission parameters used by the network element based at least in part on the transmission configuration information.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: November 19, 2019
    Assignee: Nokia Technologies Oy
    Inventors: Yuantao Zhang, Rapeepat Ratasuk, Chun Hai Yao, Yan Ji Zhang
  • Publication number: 20190274118
    Abstract: Various communication systems may benefit from the proper use of control channel resources. For example, certain communication systems associated with the long term evolution of the third generation partnership project may benefit from physical downlink control channel transmission improvement for paging message coverage enhancement. A method can include obtaining a coverage enhancement paging parameter at a user equipment. The method can also include calculating, by the user equipment, a paging frame or paging occasion according to the paging parameter. In another example, a method can include receiving, at a user equipment, a coverage enhancement paging radio network temporary identifier for use in coverage enhancement mode. The method can also include decoding a physical downlink control channel based on the coverage enhancement paging radio network temporary identifier.
    Type: Application
    Filed: May 16, 2019
    Publication date: September 5, 2019
    Inventors: Lei DU, Rapeepat RATASUK, Yan Ji ZHANG
  • Publication number: 20190254038
    Abstract: Methods, apparatus and computer program products are disclosed for determining transmission parameters in a wireless network. A method comprises: receiving transmission configuration information used by a network element for determining transmission parameters, wherein the transmission configuration information comprises a first set of parameters comprising at least a first repetition level set index, a first repetition level index, a first resource allocation and a first transport block size index, or a second set of parameters comprising at least a second repetition level index, a second resource allocation, and a second transport block size index, or a third set of parameters comprising at least a modulation and coding scheme level index, a third resource allocation and a third transport block size index; determining transmission parameters used by the network element based at least in part on the transmission configuration information.
    Type: Application
    Filed: April 20, 2016
    Publication date: August 15, 2019
    Inventors: Yuantao ZHANG, Rapeepat RATASUK, Chun Hai YAO, Yan Ji ZHANG
  • Patent number: 10187869
    Abstract: A method including defining at least one extended modification period; determining a system information change; generating at least one paging message indicator based on the paging message occurring within the at least one extended modification period.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: January 22, 2019
    Assignee: Nokia Solutions and Networks Oy
    Inventors: Lei Du, Yan Ji Zhang
  • Patent number: 10186887
    Abstract: Rechargeable batteries, charging methods and systems for fast charging of the battery under all environmental temperatures and without causing battery degradation are disclosed. A charging control system for charging a rechargeable battery can include an ohmically modulated battery, a temperature sensor configured to monitor a temperature of the battery: a switch that can electrically engage the battery to a source of electrical current through either a low-resistance terminal or a high-resistance terminal of the battery: and a controller electrically connected to the temperature sensor and the switch and that can receive input from the temperature sensor and is programmed to determine whether to electrically engage the battery to the source of electrical current through either the low-resistance terminal or the high-resistance terminal through the switch based on input from the temperature sensor.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: January 22, 2019
    Assignee: EC Power, LLC
    Inventors: Chao-Yang Wang, Yan Ji
  • Patent number: 10123240
    Abstract: An apparatus including at least one processing circuitry, and at least one memory for storing instructions to be executed by the processing circuitry, wherein the at least one memory and the instructions are configured to, with the at least one processing circuitry, cause the apparatus at least: to receive and process a communication connection reestablishment request from a communication element communicating in a multi-connectivity mode, to decide, in case a communication connection with the communication element is established, whether or not the multi-connectivity mode of the communication element is kept, and to cause a transmission of an indication towards a source communication network control element of the communication element, wherein the indication reflects the decision whether or not the multi-connectivity mode of the communication element is kept.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: November 6, 2018
    Assignee: Nokia Solutions and Networks Oy
    Inventors: Yan Ji Zhang, Yang Liu, Tsunehiko Chiba
  • Patent number: 10123242
    Abstract: There is provided a method including receiving, at a secondary cell, mapping information from a primary cell and using the mapping information to associate a connection request with a user equipment associated with the secondary cell.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: November 6, 2018
    Assignee: Nokia Solutions and Networks Oy
    Inventors: Tsunehiko Chiba, Yang Liu, Yan Ji Zhang, Benoist Pierre Sebire, Guillaume Decarreau, Srinivasan Selvaganapathy
  • Patent number: 10075995
    Abstract: Exemplary embodiments including a method including determining a user equipment of a wireless communication network is in an autonomous mobility mode; receiving an indication from the wireless communication network of a data communication available for the user equipment; and based on the indication, establishing a connection between the user equipment and a network node of the wireless communication network. Apparatus, program products, and software to perform the exemplary embodiments are also disclosed.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: September 11, 2018
    Assignee: Nokia Solutions and Networks Oy
    Inventors: Yan Ji Zhang, Ilkka Keskitalo, Jussi-Pekka Koskinen
  • Publication number: 20180249440
    Abstract: Systems, methods, apparatuses, and computer program products for paging of low complexity UE and/or UE in coverage enhancement mode are provided. One method includes producing a machine type communication (MTC) physical downlink control channel (M-PDCCH) configuration by configuring separate M-PDCCH subsets for paging. One of the subsets may be for low complexity user equipment, and another one of the subsets may be for user equipment operating in coverage enhancement mode.
    Type: Application
    Filed: August 12, 2015
    Publication date: August 30, 2018
    Inventors: Yan Ji ZHANG, Yuan Tao ZHANG, Rapeepat RATASUK
  • Patent number: 10033071
    Abstract: A rechargeable battery whose ohmic resistance is modulated according to temperature is disclosed.
    Type: Grant
    Filed: October 8, 2014
    Date of Patent: July 24, 2018
    Assignee: EC Power, LLC
    Inventors: Chao-Yang Wang, Shanhai Ge, Yan Ji, Tianren Xu