Patents by Inventor Feifei Sun

Feifei Sun 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: 20200245200
    Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure provides a random access method, a network node and a user equipment. With the solution of the above embodiment of the present disclosure, the performance of the UE randomly accessing the target cell can be improved.
    Type: Application
    Filed: April 2, 2018
    Publication date: July 30, 2020
    Inventors: Qi XIONG, Chen QIAN, Bin YU, Feifei SUN
  • Publication number: 20200229092
    Abstract: Embodiments of the disclosure provides a method and an apparatus for power saving operation in a wireless communication system, wherein the method comprises: receiving configuration information for the power saving operation; monitoring a power saving signal based on the configuration information; and determining whether to monitor a PDCCH based on the power saving signal.
    Type: Application
    Filed: January 10, 2020
    Publication date: July 16, 2020
    Inventors: Min WU, Feifei SUN, Jingxing FU, Bin YU, Qi XIONG, Chen QIAN
  • Publication number: 20200214044
    Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure provides a random access method, including: acquiring configuration information, transmitting a first message including a preamble and an uplink shared channel according to the configuration information, and receiving a second message including contention resolution information from a base station.
    Type: Application
    Filed: December 30, 2019
    Publication date: July 2, 2020
    Inventors: Chen QIAN, Bin YU, Qi XIONG, Feifei SUN, Yi WANG
  • Publication number: 20200213173
    Abstract: 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: Application
    Filed: March 11, 2020
    Publication date: July 2, 2020
    Inventors: Feifei SUN, Xiangyang ZHUANG
  • Publication number: 20200213046
    Abstract: A method for transmitting uplink control information is provided The method includes receiving a Physical Downlink Shared Channel (PDSCH), determining Physical Uplink Control Channel (PUCCH) resources for feeding back Hybrid Automatic repeat Request Acknowledgement (HARQ-ACK) information of the PDSCH, and transmitting a HARQ-ACK of the PDSCH on the PUCCH resources according to at least one of HARQ-ACK timing information, the time domain duration of scheduling unit in a downlink bandwidth part and an uplink bandwidth part, or PUCCH resource indication information. The embodiments of the application further propose a corresponding user equipment and a corresponding computer storage medium.
    Type: Application
    Filed: December 26, 2019
    Publication date: July 2, 2020
    Inventors: Yi WANG, Jingxing FU, Feifei SUN
  • Publication number: 20200187237
    Abstract: The present invention discloses a method for receiving scheduling information, comprising steps of: receiving Downlink Control Information (DCI); and determining, according to a mapping relationship between configured transmission resources used for a Physical Uplink Shared Channel (PUSCH) and scheduling information in the DCI, scheduling information corresponding to the PUSCH in the DCI. Compared with the prior art, in the present invention, the scheduling information in the DCI is determined by the mapping relationship between the configured transmission resources used for transmitting the PUSCH by a UE and the scheduling information in the DCI, so that a base station can schedule all UEs for which there is a mapping relationship between PUSCH configured transmission resources and the scheduling information in DCI by sending only one piece of DCI. The scheduling overhead is reduced, the resource waste is reduced, and the efficiency of scheduling terminals by a communication system is significantly improved.
    Type: Application
    Filed: August 1, 2018
    Publication date: June 11, 2020
    Inventors: Di SU, Miao ZHOU, Feifei SUN, Chen QIAN
  • Publication number: 20200169956
    Abstract: The present disclosure discloses a method for detecting indication information, including: determining a carrier/narrowband position and a time-domain position where indication information is located; in which the indication information is configured to indicate whether a user equipment (UE) monitors a paging message or a downlink control channel that indicates the paging message, on associated one or more paging occasions (POs); and detecting the indication information on the determined carrier/narrowband position and the time-domain position, and determining, according to the indication information, whether to monitor the paging message or the downlink control channel on the one or more POs.
    Type: Application
    Filed: July 31, 2018
    Publication date: May 28, 2020
    Inventors: Feifei SUN, Miao ZHOU, Jingxing FU, Di SU, Chen QIAN, Yingjie ZHANG
  • Publication number: 20200163032
    Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure discloses a method for access to NB IoT, comprising the following steps of: detecting a NPSS and a NSSS to realize downlink synchronization; detecting a NPBCH to acquire MIB-NB information; and acquiring SIB1-NB according to the MIB-NB information, wherein at least one of the NPSS, the NSSS, the MIB-NB and the SIB1-NB is transmitted on a non-anchor carrier.
    Type: Application
    Filed: April 10, 2018
    Publication date: May 21, 2020
    Inventors: Di SU, Feifei SUN
  • Publication number: 20200163035
    Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). Example embodiments of the present disclosure relate to the field of wireless communication technologies, and for example, to a method for determining a timing relationship, including: receiving a timing relationship set indication indicating a timing relationship set for use at a User Equipment (UE); determining the timing relationship set based on the timing relationship set indication; receiving timing relationship indication information indicating a timing relationship for use at the UE; and determining the timing relationship for use at the UE based on the timing relationship set and the timing relationship indication information.
    Type: Application
    Filed: November 15, 2019
    Publication date: May 21, 2020
    Inventors: Jingxing FU, Bin YU, Chen QIAN, Feifei SUN
  • Publication number: 20200128588
    Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-Generation (4G) communication system such as long term evolution (LTE). The method for operating a terminal in a wireless communication system is provided. The method includes receiving, from a base station, configuration information of an initial active uplink bandwidth part (UL BWP) and corresponding random access resource; based on the configuration information of the initial active UL BWP and the corresponding random access resource, determining corresponding physical random access channel (PRACH) occasions; and performing random access procedure based on the determined PRACH occasion.
    Type: Application
    Filed: December 18, 2019
    Publication date: April 23, 2020
    Inventors: Qi XIONG, Chen QIAN, Bin YU, Feifei SUN
  • Publication number: 20200107267
    Abstract: Embodiments of the present application provide a method, a user equipment (UE), a base station, and a readable storage medium for transmitting a wake-up signal (WUS). The method is performed by the UE, and includes: receiving configuration information of a UE group WUS; determining the WUS corresponding to the UE group to which the UE belongs according to the configuration information of the UE group WUS; and monitoring the WUS corresponding to the UE group to which the UE belongs. The solutions of the embodiments of the present application may further reduce power consumption of the UE compared with the prior art.
    Type: Application
    Filed: September 27, 2019
    Publication date: April 2, 2020
    Inventors: Min WU, Feifei SUN, Miao ZHOU, Chen QIAN
  • Patent number: 10602481
    Abstract: Methods and apparatus are provided for paging enhancement for the UE in the LC-MTC mode. In one novel aspect, the UE determines if the UE is in CE mode, obtains a set of narrow-band resource blocks reserved for LC-MTC paging messages and decodes a paging message based on the obtained narrow-band resource blocks. In one embodiment, the paging message occupies a predefined narrow band resource blocks without control information. In another embodiment, MPDCCH is used as control message to schedule narrow-band paging messages. In one embodiment, the MPDCCH searching space comprises a paging narrow-band selected from the set of narrow bands based on a UE ID. In another novel aspect, methods for PO detection are provided. The UE obtains a set of common paging narrow-bands from a higher layer configuration, determines a paging occasion to monitor paging message, decodes paging messages within the obtained common paging narrow-band, and performs combination.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: March 24, 2020
    Assignee: HFI Innovation INC.
    Inventors: Hua-Min Chen, Min Wu, Feifei Sun, Tao Chen
  • Publication number: 20200037260
    Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure provides a method for uplink power control, which is applied to a User Equipment (UE), and the method includes: determining a timing between a power control command and a Physical Uplink Control Channel (PUCCH), which adopts the power control command to control power. The present disclosure also provides a corresponding device.
    Type: Application
    Filed: April 17, 2018
    Publication date: January 30, 2020
    Inventors: Jingxing FU, Chen QIAN, Yingjie ZHANG, Bin YU, Qi XIONG, Feifei SUN
  • Publication number: 20200029328
    Abstract: 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: Application
    Filed: September 27, 2019
    Publication date: January 23, 2020
    Inventors: Xiangyang Zhuang, Feifei Sun
  • Publication number: 20200022105
    Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services.
    Type: Application
    Filed: March 22, 2018
    Publication date: January 16, 2020
    Inventors: Jingxing FU, Bin YU, Chen QIAN, Feifei SUN
  • Patent number: 10470177
    Abstract: 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: Grant
    Filed: February 8, 2016
    Date of Patent: November 5, 2019
    Assignee: HFI Innovation INC.
    Inventors: Xiangyang Zhuang, Feifei Sun
  • Patent number: 10420105
    Abstract: Methods and UE for receiving downlink channel signals are provided, wherein, a method for receiving DL channel signal, includes: a user equipment receives configuration information of a second system on a first system, wherein the time-frequency resource of the first system and the time-frequency resource of the second system are overlapped. the UE determines one or more time-frequency resources for receiving downlink signals. The UE receives the downlink signals at the time-frequency resources; and processes the downlink signals according to the configuration information of the second system. The method and equipment provided could be used for receiving methods and apparatus in a multiple-system co-existence system, and could enhance the system performance.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: September 17, 2019
    Assignee: HFI INNOVATION INC.
    Inventor: Feifei Sun
  • Patent number: 10411840
    Abstract: 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: Grant
    Filed: June 8, 2016
    Date of Patent: September 10, 2019
    Assignee: HFI Innovation INC.
    Inventors: Hua-Min Chen, Feifei Sun, Xiangyang Zhuang
  • Patent number: 10396934
    Abstract: 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: Grant
    Filed: November 4, 2014
    Date of Patent: August 27, 2019
    Assignee: HFI Innovation INC.
    Inventors: Feifei Sun, Xiangyang Zhuang, Hua-Min Chen
  • Publication number: 20190230499
    Abstract: Methods and apparatus are provided for handling of new UE capability. In one novel aspect, the UE reports a new UE capability to an eNB, determines whether the eNB supports the new UE capability and monitors a new DCI format to implement the new UE capability in the USS if the eNB supports the new UE capability, otherwise, monitors for a default DCI format to implement the default UE capability by the UE. In one embodiment, the UE is a NB-IoT device and reports the new UE capability in MSG3. In one embodiment, the UE obtains a configuration in system information to determine whether the eNB supports the new UE capability. In another embodiment, the UE obtains an indication in a dedicated RRC signaling to determine whether the eNB supports the new UE capability. In one embodiment, the new DCI format includes an indicator for a HARQ process number.
    Type: Application
    Filed: March 29, 2019
    Publication date: July 25, 2019
    Inventors: Feifei Sun, Per Johan Mikael Johansson, Yuanyuan Zhang