Patents Assigned to China Academy of Telecommunications Technology
  • Patent number: 11223449
    Abstract: A data retransmission method and device are provided to resolve a problem of lacking in a retransmission scheme supporting retransmission via different connections in the prior art. In one embodiment of the invention, the method comprises: upon determining that a transmission node corresponding to a terminal satisfies a multi-transmission node retransmission criterion, selecting, by a target protocol layer in a transmitting device and responsible for managing transmission via multiple transmission nodes, and for a retransmission data packet corresponding to the terminal, at least one transmission node; and performing, via the selected transmission node, data packet retransmission.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: January 11, 2022
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Yali Zhao, Jiamin Liu, Fangli Xu, Bertrand Pierre
  • Publication number: 20210392637
    Abstract: A UCI transmission method, a UCI reception method, a terminal, a base station and devices are provided. The UCI transmission method includes: determining a first transmission resource for first UCI and second transmission resources for second UCI; and when the first transmission resource overlaps at least two second transmission resources in a time domain, transmitting the first UCI and the second UCI simultaneously on at least one of the at least two second transmission resources.
    Type: Application
    Filed: March 1, 2019
    Publication date: December 16, 2021
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventor: Xuejuan GAO
  • Publication number: 20210368468
    Abstract: Disclosed are a positioning and measurement reporting method and apparatus, used for implementing a solution regarding UE positioning in a 5G NR system. The present application provides a positioning method, comprising: determining a measurement configuration message of a user equipment (UE), the measurement configuration message comprising UE-level measurement reference signal configuration information; sending the measurement configuration message to the UE to instruct the UE to report the measurement; and positioning the UE on the basis of the measurement result reported by the UE.
    Type: Application
    Filed: August 1, 2018
    Publication date: November 25, 2021
    Applicant: China Academy of Telecommunications Technology
    Inventors: Yanping XING, Ren DA, Haiyang QUAN
  • Publication number: 20210360663
    Abstract: Disclosed are a method and apparatus for channel resource determining and resource mapping, used for enabling a user equipment to be able to determine a resource position used by a control channel of the user equipment in a resource set used by a control region of a short TTI. The method for channel resource determining provided in the present application comprises: a user equipment determining a resource set used by a control region of a short transmission time interval; and the user equipment determining a resource position used by a control channel of the user equipment in the resource set.
    Type: Application
    Filed: July 17, 2017
    Publication date: November 18, 2021
    Applicant: China Academy of Telecommunications Technology
    Inventors: Lei WANG, Xueming PAN
  • Patent number: 11172443
    Abstract: Disclosed in the present application are a hybrid automatic repeat request HARQ transmission method and a related device, for solving the technical problem that there not yet exists an HARQ transmission scheme for the 5G system in the prior art due to the fact that the 5G system supports multi-numerology and/or multi-TTI. The method comprises: a terminal maintains an HARQ entity on the basis of a cell, the HARQ entity supporting multiple parallel HARQ processes; the terminal receives a scheduling signaling sent by the network side device; and the terminal determines, according to the scheduling signaling, an HARQ process number of the HARQ entity against which the scheduling signaling is directed and a baseband parameter and/or transmission time interval corresponding to the HARQ process number.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: November 9, 2021
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Yali Zhao, Fangli Xu
  • Publication number: 20210345441
    Abstract: The present disclosure provides a session management method, a mobility management functional entity and a session management functional entity. The session management method includes: judging, by a mobility management functional entity, whether a UE has moved out of an allowed area; when the UE has moved out of the allowed area, determining, by the mobility management functional entity, a management message for a session of the UE; and transmitting, by the mobility management functional entity, the management message to a session management functional entity for serving the UE. The management message is adopted to trigger the session management functional entity to manage the session of the UE.
    Type: Application
    Filed: September 8, 2017
    Publication date: November 4, 2021
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventor: Hucheng WANG
  • Publication number: 20210336734
    Abstract: A triggering method and a transmitting method for an uplink reference signal in a communication system, apparatuses thereof, and a storage medium are provided. The communication system includes at least two different signal parameters. The triggering method applied to a network side includes: generating, by the network side, a trigger signaling for triggering a terminal to transmit the uplink reference signal to the network side for one or more times; and transmitting, by the network side, the trigger signaling to the terminal.
    Type: Application
    Filed: July 18, 2017
    Publication date: October 28, 2021
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Rakesh TAMRAKAR, Runhua CHEN, Qiubin GAO, Hui LI, Qiuping HUANG, Yang SONG, Chuanjun LI, Mengjun WANG, XIN SU, YU YANG
  • Patent number: 11140698
    Abstract: Disclosed in the present application are a data transmission method and terminal, the data transmission method comprising: a first terminal selects from a time frequency resource set of scheduling allocation SA information the time frequency resources of a first type of SA information; the first terminal sends the first type of SA information on the time frequency resources of the first type of SA information according to a first physical layer format and, on the basis of an indication of the first type of SA information, sends data associated with the first type of SA information according to a second physical layer format; the first SA information comprises time frequency resource indication information of the data associated with the first type of SA information.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: October 5, 2021
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Rui Zhao, Xueming Pan, Ying Peng
  • Patent number: 11139940
    Abstract: The application discloses an ACK/NACK feedback method and an associated apparatus serving to resolve the problem arising from data in different transmission time intervals having different transmission and processing latencies, leading to different earliest time points to transmit an ACK/NACK feedback message, and subsequently resulting in being unable to ensure normal ACK/NACK feedback in downlink transmission.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: October 5, 2021
    Assignee: China Academy of Telecommunications Technology
    Inventors: Xuejuan Gao, Fang-Chen Cheng
  • Publication number: 20210306198
    Abstract: Disclosed are a method and device for determining a baseband parameter, used for solving the problem of there not yet being an explicit solution for how to determine a numerology in a new radio communication system. The method comprises: according to an initial synchronization signal it detects, a terminal determining the TRP group to which said terminal belongs; according to a third synchronization signal detected in the TRP group and/or system information of the terminal group, the terminal determining the numerology. The solution provided by the embodiments of the present invention correctly identifies numerologies corresponding to different sub-bands, different TRPs, and/or different beams in a TRP group, thus achieving synchronization with different sub-bands, different TRPs, and/or different beams in the TRP group and ensuring that the terminal may operate, according to correct numerology, on a corresponding sub-band, TRP, or beam.
    Type: Application
    Filed: July 3, 2017
    Publication date: September 30, 2021
    Applicant: China Academy of Telecommunications Technology
    Inventors: Xuejuan GAO, Fang-Chen CHENG, Xueming PAN, Qiubin GAO
  • Publication number: 20210298025
    Abstract: The present application discloses methods and devices for determining a downlink resource set and sending resource position information, and particularly relates to a method for determining, by a terminal, a downlink control channel resource set, a method for sending, by a base station, a position related to a downlink control channel resource set, and related devices. A terminal obtains, in a predefined manner and/or by receiving a notification of a base station, a frequency domain position and a time domain position of a downlink control channel resource set corresponding to the terminal, so as to determine that the downlink control channel resource set corresponding to the terminal is a third downlink control channel resource set. The base station transmits a common downlink control channel and/or a terminal-dedicated downlink control channel on the frequency domain and time domain positions of the downlink control channel resource set determined by the terminal.
    Type: Application
    Filed: March 7, 2018
    Publication date: September 23, 2021
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Lei WANG, Ekpenyong Tony
  • Patent number: 11129157
    Abstract: Provided are a method for determining whether to continue to detect a downlink control channel, a terminal and a base station, for solving the technical problem, for which there is no specific solution in the prior art, of how to determine, after successfully receiving one piece of DCI of a specific DCI format, whether it is still necessary to continue to perform a blind test according to the DCI format. The method for determining whether to continue to detect a downlink control channel comprises: the terminal obtaining first downlink control information (DCI); and the terminal determining, based on the first DCI, whether to continue to detect the downlink control channel.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: September 21, 2021
    Assignee: China Academy of Telecommunications Technology
    Inventor: Lei Wang
  • Patent number: 11128423
    Abstract: Disclosed are a beam forming and transmission method and a network device, for resolving the defects of limited flexibility and performance in prior art methods for improving the quality of channel estimation. The method comprises: a network side determining the configuration information of physical resource block (PRB) bundling parameters, the time domain configuration information of the configuration information of said PRB bundling parameters being configurable; the network side sending the configuration information of the PRB bundling parameters to a terminal so that after having received the configuration information of the PRB bundling parameters, the terminal uses a precoding mode corresponding to the configuration information of the PRB bundling parameters to perform channel estimation and demodulation.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: September 21, 2021
    Assignee: China Academy of Telecommunications Technology
    Inventors: Xin Su, Qiubin Gao, Tamrakar Rakesh, Runhua Chen, Hui Li, Chuanjun Li, Qiuping Huang, Mengjun Wang
  • Patent number: 11129086
    Abstract: Disclosed are a system message notification and sending method and apparatus. The method comprises: a CU determines system message relevant information; and the CU sends the system message relevant information to a DU. The DU receives the system message relevant information sent by the CU; and the DU notifies a terminal of the information. The present application provides an access control and system message processing solution under a CU-DU architecture, and a CU can provide sufficient auxiliary information to a DU, and thus the DU can generate suitable system information according to same. The two coordinate to provide a service to a UE, and the system efficiency is improved and a good user experience is ensured.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: September 21, 2021
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Dajun Zhang, Aijuan Liu, Ying Wang
  • Patent number: 11129177
    Abstract: A cross-carrier scheduling method and a cross-carrier scheduling device are provided. The cross-carrier scheduling method includes receiving a cross-carrier scheduling indication transmitted from a base station via a first carrier; determining a cross-carrier scheduling time indicated by the base station according to the cross-carrier scheduling indication; adding a delay time to the cross-carrier scheduling time to obtain an actual cross-carrier scheduling time; and performing communication between user equipment by using a second carrier during the actual cross-carrier scheduling time.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: September 21, 2021
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Teng Ma, Rui Zhao
  • Publication number: 20210289520
    Abstract: A media access control layer architecture, a method for transmitting data, a network-side device and a terminal are provided. The media access control layer architecture of the network-side device includes: a universal scheduling function unit; at least one dedicated scheduling function unit, each dedicated scheduling function unit corresponding to a bear set including one or more bears; and more than one multiplexing and retransmission function unit, each multiplexing and retransmission function unit corresponding to one terminal.
    Type: Application
    Filed: September 26, 2017
    Publication date: September 16, 2021
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventor: Yali ZHAO
  • Patent number: 11122152
    Abstract: Disclosed in the present application are a data processing method and apparatus. The method comprises: on a sending end, receiving a to-be-sent data packet transmitted from a higher layer, and performing “transport-layer layer-1” processing on the to-be-sent data packet, comprising assigning a sequence number; and then performing “transport-layer layer-2” processing, comprising: according to the size of a transmission resource obtained by means of scheduling, transferring the to-be-sent data packet to a physical layer and then sending out the to-be-sent data packet through an air interface; on a reception end, receiving the data packet that is sent from the air interface and then that is transmitted by the physical layer; performing “transport-layer layer-2” processing on the received data packet, comprising: transmitting the data packet transmitted by the physical layer, to the transport-layer layer-2 to perform processing.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: September 14, 2021
    Assignee: China Academy of Telecommunications Technology
    Inventors: Jiamin Liu, Yali Zhao, Fangli Xu
  • Publication number: 20210282159
    Abstract: The present invention discloses a resource allocation method and apparatus for resolving a technical issue of a conflict of transmission resources used by user equipment adopting mode 3 and user equipment adopting mode 4. The method comprises: a base station determining whether a shared transmission resource pool shared by first-mode user equipment and second-mode user equipment includes available resources, wherein a transmission resource of the first-mode user equipment is allocated by the base station, and a transmission resource of the second-mode user equipment is selected from the shared transmission resource pool; and if the base station determines that the shared transmission resource pool includes available resources, the base station allocating, on the basis of the available resources, a transmission resource to the first-mode user equipment.
    Type: Application
    Filed: March 21, 2018
    Publication date: September 9, 2021
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Lin LIN, Rui ZHAO
  • Patent number: 11115315
    Abstract: A duplication transmission method and device, used for solving the problem in existing technology of a scheme for implementing packet data convergence protocol (PDCP) duplication having yet to be implemented in a central unit/distribute unit (CU/DU) separation scenario. According to the embodiments of the present invention, after determining the need for PDCP duplication transmission on a radio bearer, a CU sends a PDCP data packet transmitted on the radio bearer to a DU and instructs the DU to carry out the PDCP duplication transmission; and the DU sends the PDCP data packet to multiple radio link control (RLC) entities corresponding to the radio bearer so as to carry out the PDCP duplication transmission. Since the CU may instruct the DU to perform the PDCP duplication transmission, the PDCP data packet is subject to duplication transmission in the CU/DU separation scenario, thereby further improving the system performance.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: September 7, 2021
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Aijuan Liu, Fangli Xu, Jiamin Liu
  • Patent number: 11109247
    Abstract: Disclosed are a beam failure recovery method, device, and apparatus, comprising: a terminal determining that performing beam failure recovery is required; and the terminal initiating random access to perform the beam failure recovery on a selected bandwidth part, and the bandwidth part is not changed in the random access process. By adopting the present disclosure, a terminal configuring each bandwidth part will not cause a disorderly beam failure recovery process. The terminal can select an appropriate bandwidth part and a synchronization signal block or channel state information reference signal thereon to initiate the beam failure recovery process. The disclosure achieves fast beam recovery while minimizing impact on data transmission. Further, a base station is also for determining how the terminal performs the beam failure recovery, to make a timely response, to ensure effective transmission of data without wasting random access resources.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: August 31, 2021
    Assignee: China Academy of Telecommunications Technology
    Inventor: Li Chen