Patents by Inventor Pingping Wen

Pingping Wen 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: 20210339286
    Abstract: A separation apparatus is disclosed, comprising: a layerizer arranged to bring a group of particles in a layer on a transport surface with a constant spatial relation of the particles relative to each other in the layer; an identifier arranged to identify particles in the group of particles that have a specific property; a separator arranged to separate the particles in the group based on a difference in affinity between the particles and the separator; an affinity modifier arranged to modify said affinity for identified particles relative to non-identified particles in the group. The layerizer comprises a recirculating transport surface on which the particles of the layer are carried. The transport surface is arranged to move along a transport trajectory as a rigid plane. Further, a method for separation of particles from a group of particles is disclosed.
    Type: Application
    Filed: October 7, 2019
    Publication date: November 4, 2021
    Inventors: Peter Carlo REM, Simon Petrus Maria BERKHOUT, Cornelis VAN BEEK, Pingping WEN, Cornelis Gustav Karl LÖHLEFINK, Bernardus VAN DEN BOSCH
  • Publication number: 20210314092
    Abstract: Various communication systems may benefit from improved HARQ. For example, it may be helpful to improve HARQ in non-terrestrial networks. A method may include receiving at a user equipment a configuration from a network entity. The configuration may include a hybrid automatic repeat request virtual process number. The method may also include receiving at the user equipment a downlink control information from the network entity. The downlink control information may include a hybrid automatic repeat request virtual process identification. In addition, the method may include receiving at the user equipment another downlink control information. The another downlink control information may include the hybrid automatic repeat request virtual process identification.
    Type: Application
    Filed: May 21, 2018
    Publication date: October 7, 2021
    Inventors: Pingping Wen, Karri Ranta-aho, Zhilan Xiong, Tao Yang
  • Publication number: 20200068494
    Abstract: Embodiments of the present disclosure provide a communication method and device for uplink power control. The method comprises receiving a plurality of sets of power control parameters from a network device, each of the plurality of sets being associated with a corresponding one of a plurality of sets of candidate beam patterns for the terminal device. The method further comprises selecting, based on a beam pattern for the terminal device, one of the plurality of sets of power control parameters for uplink transmit power control, the beam pattern for the terminal device being included in the set of candidate beam pattern that is associated with the selected set of power control parameters.
    Type: Application
    Filed: November 3, 2017
    Publication date: February 27, 2020
    Applicants: Alcatel Lucent, Nokia Technologies Oy
    Inventors: Pingping Wen, Huan Sun, Tao Yang, Xun Li, Yi Zhang
  • Patent number: 9736796
    Abstract: Embodiments of the present invention provide a method for reporting power headroom in support of multiple link connections.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: August 15, 2017
    Assignee: Alcatel Lucent
    Inventors: Pingping Wen, Chandrika Worrall
  • Publication number: 20170222782
    Abstract: Embodiments of the present invention provide methods and devices for secondary base station change in a dual connectivity system. The method comprises: determining, at a secondary base station, to initiate secondary base station change procédure; sending, at the secondary base station, a secondary base station change request to a master base station based on the détermination; and receiving a secondary base station change request acknowledgement from the master base station, wherein the secondary base station change procedure is initiated by the secondary base station.
    Type: Application
    Filed: July 30, 2015
    Publication date: August 3, 2017
    Applicant: Alcatel Lucent
    Inventors: Pingping Wen, Chandrika Worrall
  • Publication number: 20170181044
    Abstract: The present invention provides a method, base station, and dual connectivity system for providing service to handover of a user equipment. Through releasing and adding operations of the secondary base station and solving the data transmission issue in the process, the present invention provides a solution for handover of the user equipment between cells or base stations in a plurality of cases in a dual connectivity system.
    Type: Application
    Filed: January 19, 2015
    Publication date: June 22, 2017
    Applicant: Alcatel Lucent
    Inventors: Pingping Wen, Chandrika Worrall, Tao Yang
  • Publication number: 20170111832
    Abstract: An objective of the present invention is to provide a method and apparatus for processing RLC/PDCP entities at a user equipment in a dual connectivity system; when an uplink radio bearer is reconfigured from a first uplink bearer type between a user equipment and a primary and/or secondary base station into a second uplink bearer type between the user equipment and the secondary and/or primary base station, an RLC entity of the user equipment performing first uplink bearer type between a user equipment corresponding processing; the RLC entity transmitting indication information to a corresponding PDCP entity based on the processing; the PDCP entity performing processing based on the indication information, and transmitting PDCP PDU data corresponding to the uplink radio bearer through RLC entity corresponding to the second uplink bearer type.
    Type: Application
    Filed: March 20, 2015
    Publication date: April 20, 2017
    Applicant: Alcatel Lucent
    Inventors: Pingping Wen, Chandrika Worrall
  • Patent number: 9532314
    Abstract: The present invention relates to a method and an apparatus for uplink transmission power control (TPC) of multi-link connections. The method for uplink TPC of multi-link connections according to an embodiment of the present invention includes: a user equipment (UE) receiving a cell path loss compensating factor and a reference power level of each carrier of each connection in the multi-link connections, receiving an uplink transmission power adjustment amount of each carrier of each connection in the multi-link connections, and measuring a path loss of each carrier of each connection in the multi-link connections. According to the received cell path loss compensating factor, reference power level, and uplink transmission power adjustment amount, and the measured path loss, the UE calculates uplink transmission power of each carrier of each connection in the multi-link connections, and transmits data based on the uplink transmission power.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: December 27, 2016
    Assignee: Alcatel Lucent
    Inventors: Pingping Wen, Chandrika Worrall
  • Patent number: 9526095
    Abstract: The invention provides a method and apparatus for configuring a plurality of scheduling request triggers for a user equipment in a communication system. First, the base station determines a plurality of scheduling request triggers and a transmission type of each of the plurality of scheduling request triggers for the user equipment, based on the service characteristics of services of the user equipment; and then the base station transmits configuration information of the plurality of scheduling request triggers to the user equipment, the configuration information of the plurality of scheduling request triggers including the allocation way of the plurality of scheduling request triggers with respect to the services of the user equipment and the transmission type of each of the plurality of scheduling request triggers. The user equipment first receives the configuration information from the base station.
    Type: Grant
    Filed: March 19, 2012
    Date of Patent: December 20, 2016
    Assignee: Alcatel Lucent
    Inventors: Chandrika K. Worrall, Sudeep K. Palat, Pingping Wen
  • Publication number: 20160366616
    Abstract: Embodiments of the present invention disclose a flow control method and apparatus for an MeNB and an SeNB supporting radio bearer split in a dual connectivity system. The method comprises: receiving information related to an SeNB; and performing flow control with the SeNB based on the information and information related to the MeNB. Through the embodiments of the present invention, the flow control not only considers performing flow control according to middle-and-long terms channel and load conditions, but also cause the flow control to consider the rapid change of the channel and load through feeding back the transmission/service state.
    Type: Application
    Filed: January 14, 2015
    Publication date: December 15, 2016
    Applicant: Alcatel Lucent
    Inventors: Pingping Wen, Chandrika Worrall, Yun Deng
  • Publication number: 20160183321
    Abstract: Embodiments of the present invention provide a method and apparatus for radio resource control connection and a method and an apparatus for solving radio link degradation, wherein user equipment (UE) may establish radio connections to two/plural cells. The method comprises: determining that at least one of the radio connections established by the UE and two/plural cells occur connection failure; and executing radio resource control (RRC) connection to implement dual/plural connectivity with the two/plural cells.
    Type: Application
    Filed: July 21, 2014
    Publication date: June 23, 2016
    Applicant: Alcatel Lucent
    Inventors: Pingping Wen, Yun Deng, Chandrika Worrall
  • Publication number: 20160174281
    Abstract: The present invention discloses a method and an apparatus for establishing a radio bearer, and specifically to a method and an apparatus for establishing a data or signaling bearer in a radio communication system supporting multi-connectivity, wherein the method of establishing the data bearer comprises receiving information related to the data bearer, determining configuration information of respective protocol layers in a user plane protocol stack, that is established at at least one of the macro base station and the small base station for the data bearer, according to the related information and the user plane protocol stack, and sending to the user equipment a radio resource control message including the configuration information to establish the data bearer.
    Type: Application
    Filed: July 21, 2014
    Publication date: June 16, 2016
    Applicant: Alcatel-Lucent
    Inventors: Pingping Wen, Yun Deng, Chandrika Worrall
  • Patent number: 9369904
    Abstract: The invention proposes a method and an apparatus for transmitting a buffer status report in a wireless network, where a user equipment is configured with a plurality of component carriers, the user equipment obtains an amount of data to be transmitted after respective media access layer protocol data units corresponding to the respective component carriers are generated, generates the uplink buffer status report message according to the amount of data to be transmitted, and reports the uplink buffer status report message to a base station serving the user equipment. The invention address the problem of how to report buffer status information when there are a plurality of media access layer protocol data units in a transport time interval. With the solution of the invention, the base station can definitively know how many uplink resources can be allocated for the user equipment to guarantee more efficient scheduling.
    Type: Grant
    Filed: May 3, 2010
    Date of Patent: June 14, 2016
    Assignee: Alcatel Lucent
    Inventors: Pingping Wen, Tao Yang
  • Publication number: 20160100397
    Abstract: One objective of the present invention is to provide uplink scheduling information reporting apparatus and System supporting multi-connectivity. Herein, a UE connected to multiple eNBs, the UE receives trigger configuration information about buffer status report of a logical channel group that a corresponding radio bearer belongs to, and radio bearer configuration information and uplink resource configuration information respectively corresponding to each of the multiple eNBs, when the BSR trigger condition of at least one of the multiple eNBs is satisfied, transmit to a corresponding eNB the buffer status report of the logical channel group that its corresponding radio bearer belongs to, so as to support uplink scheduling report in multi-connectivity.
    Type: Application
    Filed: April 29, 2014
    Publication date: April 7, 2016
    Applicant: Alcatel Lucent
    Inventors: Pingping Wen, Yun Deng, Chandrika Worrall, Tao Yang
  • Publication number: 20160057712
    Abstract: Embodiments of the present invention provide a method for reporting power headroom in support of multiple link connections.
    Type: Application
    Filed: April 3, 2014
    Publication date: February 25, 2016
    Applicant: ALCATEL LUCENT
    Inventors: Pingping Wen, Chandrika Worrall
  • Publication number: 20160050631
    Abstract: The present invention relates to a method and an apparatus for uplink transmission power control (TPC) of multi-link connections. The method for uplink TPC of multi-link connections according to an embodiment of the present invention includes: a user equipment (UE) receiving a cell path loss compensating factor and a reference power level of each carrier of each connection in the multi-link connections, receiving an uplink transmission power adjustment amount of each carrier of each connection in the multi-link connections, and measuring a path loss of each carrier of each connection in the multi-link connections. According to the received cell path loss compensating factor, reference power level, and uplink transmission power adjustment amount, and the measured path loss, the UE calculates uplink transmission power of each carrier of each connection in the multi-link connections, and transmits data based on the uplink transmission power.
    Type: Application
    Filed: March 21, 2014
    Publication date: February 18, 2016
    Applicant: Alcatel Lucent
    Inventors: Pingping Wen, Chandrika Worrall
  • Patent number: 9107233
    Abstract: The present invention proposes a distributed probabilistic dynamic interference coordination scheme to decrease or eliminate inter-cell interference, wherein the mechanism of ALOHA is introduced into the dynamic interference coordination. According to the first aspect of the present invention, a resource scheduling method is proposed, comprising: selecting resource to be scheduled from a scheduling list; selecting a first user equipment to be scheduled from the scheduling list; allocating the selected resource to the first user equipment by probability of p, wherein 0?p?1, if the first user equipment is of edge user. The present invention further proposes a scheduler implementing the aforesaid resource scheduling method and a base station (BS) comprising the aforesaid scheduler.
    Type: Grant
    Filed: February 24, 2009
    Date of Patent: August 11, 2015
    Assignee: Alcatel Lucent
    Inventors: Pingping Wen, Mingli You, Shaoquan Wu, Fanglei Sun
  • Patent number: 9036494
    Abstract: The present application discloses a method and device for transmitting and receiving a power headroom report, wherein the method for transmitting a power headroom report comprises: forming, at a user equipment, a power headroom report specific to each carrier component; and transmitting the power headroom report to a base station. By implementing the method and device disclosed by the present application, a complete power headroom reporting mechanism can be provided to a LTE-A system having multiple new features. In addition, by receiving the power headroom report specific to each carrier component, the base station can further derive how many resource units need to be allocated to the user equipment, and a corresponding modulation and coding scheme so as to perform an effective resource scheduling and guarantee transmission quality of wireless links.
    Type: Grant
    Filed: February 11, 2010
    Date of Patent: May 19, 2015
    Assignee: Alcatel Lucent
    Inventors: Pingping Wen, Lin Yang, Chongxian Zhong
  • Patent number: 8976668
    Abstract: A method and an apparatus for optimizing a user plan operation in a wireless communication system based on carrier aggregation are provided in the present invention. Firstly, a user equipment receives a downlink carrier component removal signaling from a base station, the downlink carrier component removal signaling is used to indicate a removed downlink carrier component; then, the user equipment, according to the received downlink carrier component removal signaling, stops the pending HARQ procedures of the removed downlink carrier component and flushes the HARQ receiving buffer related to the removed downlink carrier component and/or stops a re-ordering procedure and/or generates a status report and sends the status report to the base station, wherein the status report is used to indicate the base station to perform retransmission and inform the base station of the data needed to be retransmitted.
    Type: Grant
    Filed: June 21, 2011
    Date of Patent: March 10, 2015
    Assignee: Alcatel Lucent
    Inventors: Tao Yang, Pingping Wen
  • Publication number: 20150049697
    Abstract: The invention provides a method and apparatus for configuring a plurality of scheduling request triggers for a user equipment in a communication system. First, the base station determines a plurality of scheduling request triggers and a transmission type of each of the plurality of scheduling request triggers for the user equipment, based on the service characteristics of services of the user equipment; and then the base station transmits configuration information of the plurality of scheduling request triggers to the user equipment, the configuration information of the plurality of scheduling request triggers including the allocation way of the plurality of scheduling request triggers with respect to the services of the user equipment and the transmission type of each of the plurality of scheduling request triggers. The user equipment first receives the configuration information from the base station.
    Type: Application
    Filed: March 19, 2012
    Publication date: February 19, 2015
    Applicant: Alcatel Lucent
    Inventors: Chandrika K. Worrall, Sudeep K. Palat, Pingping Wen