Patents Assigned to China Academy of Telecommunications Technology
  • Publication number: 20190281538
    Abstract: Disclosed are a data transmission method and device. The method comprises: a sending end sending at least one synchronization signal (SI), with the SI carrying a first identifier; and at a time-frequency location of system information corresponding to the SI, sending the system information, the system information carrying information for indicating a second identifier, and identification information about the sending end comprising the first identifier and the second identifier. According to a mapping relationship between an SI and a first identifier, a receiving end can obtain the first identifier after detecting the SI; and by means of carrying information for indicating a second identifier in system information, the receiving end can obtain the second identifier after detecting the system information, so that the receiving end can obtain all the identification information about the sending end according to the first identifier and the second identifier.
    Type: Application
    Filed: June 8, 2017
    Publication date: September 12, 2019
    Applicant: China Academy of Telecommunications Technology
    Inventors: Qiuping HUANG, Qiubin GAO, Runhua CHEN, Hui LI, Tamrakar RAKESH, Yang SONG, Mengjun WANG, Chuanjun LI, Xin SU, Yu Yang
  • Publication number: 20190281612
    Abstract: The present disclosure provides a cross-carrier scheduling method and a cross-carrier scheduling device. The cross-carrier scheduling method comprises 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: Application
    Filed: November 1, 2017
    Publication date: September 12, 2019
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Teng MA, Rui ZHAO
  • Publication number: 20190281618
    Abstract: The present disclosure relates to the field of communication technology, and provides a scheduling method, a UE and a base station. The scheduling method is for use in the UE and includes: determining a correspondence between predetermined service characteristics and SR resources configured on different channels; determining a first service characteristic of a first service for triggering a SR when it is detected that the SR has been triggered; and selecting a SR resource corresponding to the first service characteristic in accordance with the first service characteristic and the correspondence, and transmitting the SR through the selected SR resource. The SR resources configured on the different channels comprise a SR resource configured on a PUCCH and a SR resource configured on a sPUCCH.
    Type: Application
    Filed: October 23, 2017
    Publication date: September 12, 2019
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Yali ZHAO, Xueming PAN, Fangli XU
  • Publication number: 20190281595
    Abstract: The present application discloses a method and a device for communicating between user equipment and control thereof, in which user equipment running on a working carrier without network coverage can obtain resource configuration information of the working carrier via a network-configured carrier. In this way communication between user equipment is achieved via the working carrier, making resource configuration more flexible. A method for communicating between user equipment provided by the present application comprises: on determining user equipment is off-network on a working carrier, determining a configured carrier; on determining the configured carrier is on-network and the configured carrier is configured with resource configuration information of the working carrier, obtaining resource configuration information of the working carrier; and communicating, according to the resource configuration information, between the user equipment running on the working carrier.
    Type: Application
    Filed: May 24, 2017
    Publication date: September 12, 2019
    Applicant: China Academy of Telecommunications Technology
    Inventors: Huiying ZHANG, Jing LIANG
  • Publication number: 20190280810
    Abstract: A low density parity check code transmission method and device, for use in improving the anti-burst-error capability of a low density parity check code. The method provided by the present application comprises: an interleaver changes the sequence of bit streams of a low density parity check code according to a preset rule, and outputs to a modulator the low density parity check code the sequence of bit streams of which is changed; the modulator modulates the low density parity check code the sequence of bit streams of which is changed and then sends the modulated low density parity check code to a receive end by using a channel.
    Type: Application
    Filed: October 27, 2017
    Publication date: September 12, 2019
    Applicant: China Academy of Telecommunications Technology
    Inventors: Xijin MU, Jiaqing WANG, Baoming BAI, Shaohui SUN
  • Publication number: 20190280822
    Abstract: The invention relates to the field of wireless communication technology, and in particular, to a method and device for transmitting and receiving feedback information, resolving a problem of providing ACK/NACK feedback of a physical uplink shared channel (PUSCH) transmission in an uplink pilot time slot (UpPTS). In one embodiment of the invention, the method comprises: a terminal transmits, in a special subframe n, PUSCH data, and receive, in a subframe (n+kPHICH), physical hybrid-ARQ indicator channel (PHICH) data corresponding to the PUSCH data, wherein a PHICH is used to carry feedback information of the PUSCH data; and a network apparatus receives, in the special subframe n, the PUSCH data, and transmits, in the subframe (n+kPHICH), the PHICH data corresponding to the PUSCH data. Therefore, the embodiment implements transmission of ACK/NACK of PUSCH data in an UpPTS.
    Type: Application
    Filed: April 13, 2017
    Publication date: September 12, 2019
    Applicant: China Academy of Telecommunications Technology
    Inventors: Xuejuan GAO, Xueming PAN
  • Patent number: 10411842
    Abstract: The present disclosure relates to the field of wireless communication technology, and provides a data transmission method and a data transmission device, so as to solve the problem in the related art where, for 5G application scenarios, in the case that an uplink scheduling algorithm for a conventional 4G system continues to be used, a large number of control signaling overheads are required due to the meteoric growth in the number of UEs to be connected. In the present disclosure, a network side device determines non-orthogonal multiple access basic transmission units allocated to UEs, detects a pilot signal from each UE on the corresponding non-orthogonal multiple access basic transmission unit, and in the case that the pilot signal has been detected, performs data detection on the UE which has transmitted the pilot signal through the non-orthogonal multiple access basic transmission unit.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: September 10, 2019
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Bin Ren, Shaoli Kang, Fei Qin, Shaohui Sun, Qiubin Gao
  • Publication number: 20190274058
    Abstract: An information processing method and device are provided. The information processing method includes: obtaining link state information of a target link; determining whether link exception exists in the target link or not according to the link state information; and when the link exception is determined to exist in the target link, transmitting link exception indication information to a primary node, wherein the link exception indication information is used to indicate to the primary node that the link exception exists in the target link.
    Type: Application
    Filed: November 2, 2017
    Publication date: September 5, 2019
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Jiamin LIU, Pierre BERTRAND
  • Publication number: 20190268922
    Abstract: A system information obtaining method, a UE and a network side device are provided. The method includes: receive first scheduling information of on-demand SI sent by a network side device; obtain the on-demand SI sent by the network side device based on the first scheduling information.
    Type: Application
    Filed: October 25, 2017
    Publication date: August 29, 2019
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Yuan HE, Fangli XU, Pierre BERTRAND
  • Patent number: 10397866
    Abstract: The present invention relates to DRX technology and disclosed are a method and device for computing an activation time, which are used for solving the problem that a UE cannot enter an active state at an accurate time when using an extended DRX cycle. The method is: a network side notifying a UE of a serial number of a current SFN cycle in an extended DRX cycle, and the UE computing an activation time of the UE by combining the length of a preset extended DRX cycle in accordance with the serial number. In this way, when the extended DRX cycle is greater than the SFN cycle, the UE can still compute a correct paging time and/or a time of receiving service data, thereby entering the active state at an accurate time, effectively avoiding the situation where paging messages or service data are lost due to computation errors of the UE, then guaranteeing the service QoS of the UE and improving the service performance of the system.
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: August 27, 2019
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Jing Liang, Dong Chen, Yumin Wu, Hang Ruan
  • Patent number: 10396875
    Abstract: The present application provides a channel state information (CSI) feedback and receiving method and device. The CSI feedback method by a UE comprises: determining, according to an indication of a base station, at least one CSI feedback configuration group configured by the base station, wherein each CSI feedback configuration group comprises at least one CSI feedback configuration; and upon determination of a need to report CSI, reporting, via a PUCCH or PUSCH, to the base station CSI acquired based on a first CSI feedback configuration, wherein the first CSI feedback configuration is a CSI feedback configuration determined, according to location information of a CSI feedback configuration in the most recent report or location information of a CSI feedback configuration indicated by the base station, from a corresponding CSI feedback configuration group by the UE.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: August 27, 2019
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Wenhong Chen, Shanzhi Chen, Qiubin Gao, Runhua Chen, Tamrakar Rakesh, Hui Li
  • Patent number: 10390299
    Abstract: Disclosed are an access method and device in a heterogeneous network for solving the problem that, in network selection of a heterogeneous wireless network, a user can only enjoy at any one time the service of one network and cannot simultaneously enjoy the services of different networks, the method comprising: dividing access points capable of providing a service for a user equipment (UE) into at least one competition group; and determining the access overhead of the competition group, and selecting for the UE, according to the determined access overhead of the competition group, a target competition group from the competition groups for accessing. A network multi-path routing and traffic distribution model is established, such that the UE can select different access methods, thus providing a new traffic operation mode for network development.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: August 20, 2019
    Assignee: China Academy of Telecommunications Technology
    Inventors: Lin Lin, Shanzhi Chen, Weiguo Ma
  • Patent number: 10390219
    Abstract: An addressing method is provided, including: determining, by a UE, configuration information of an uplink position signal; and transmitting, by the UE, the uplink position signal carrying an identifier of the UE to a network side in accordance with the determined configuration information, to enable the network side to determine addressing information of the UE in accordance with the identifier of the UE, and address the UE in accordance with the identifier and the addressing information of the UE in the case that it is necessary to address the UE.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: August 20, 2019
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Jiamin Liu, Fei Qin, Yuan He
  • Publication number: 20190253918
    Abstract: Disclosed are a processing method and device for a radio bearer for transmitting a data stream. The method comprises: determining a quality of service parameter transferred to an access network node by a control entity of a core network; and performing processing on a radio bearer according to the quality of service parameter so as to transmit a data stream needing to be transmitted between the core network and a UE unit. Processing is performed on the radio bearer at the UE unit according to a requirement of the access network node. The radio bearer may transmit the data stream between the core network and the UE unit. The solution herein can solve the problem of mapping multiple data streams having the same service quality to a radio bearer, reduce complexity of a signaling process, ensure quality of service transmission, and support processing of a special packet.
    Type: Application
    Filed: July 21, 2017
    Publication date: August 15, 2019
    Applicant: China Academy of Telecommunications Technology
    Inventors: Jiamin LIU, Bin JIAO
  • Patent number: 10383173
    Abstract: Embodiments of the present application relate to the technical field of wireless communications, and in particular, to a method, a device and a system for transmitting a data packet, which are used to resolve the problem existing in the prior art that an LTE network structure causes a signaling burden on a backhaul between a radio access network and a core network and causes a transmission delay on the backhaul. In the embodiments of the present application, a control point sends a data packet that is from at least one base station to an access network gateway or a core network gateway; and a data packet that is from the access network gateway or the core network gateway is sent to the at least one base station, the control point being a connection control point of a terminal and a mobility control point of the terminal.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: August 13, 2019
    Assignee: China Academy of Telecommunications Technology
    Inventors: Bin Jiao, Li Chen
  • Patent number: 10383049
    Abstract: A communications method, device, and system for solving the connection and communications efficiency problem due to the presence of a large number of cells. The method comprises: a first local controller determines that a user equipment needs to establish a data bearer; data bearer configuration information for transmitting user data is generated; the data bearer configuration information is transmitted to a first local gateway and/or at least a first small base station, so that the network element entity that has received the data bearer configuration information establishes a data transmission channel according to the data bearer configuration information, the user equipment belonging to the first local controller and the first local gateway, the first small base station providing services to the user equipment.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: August 13, 2019
    Assignee: China Academy of Telecommunications Technology
    Inventors: Jiamin Liu, Fei Qin, Yuan He
  • Patent number: 10382108
    Abstract: A method and a device for configuring and determining a code superposition-based multiuser encoding mode are provided. The configuring method includes steps of: determining, by a network device, UEs by which an identical transmission resource is to be multiplexed; and configuring, by the network device, different columns in a preconfigured encoding matrix formed through multiuser code superposition for the UEs, so as to enable each UE to transmit data in accordance with an encoding mode corresponding to the column configured by the network device, at least two columns in the encoding matrix having different diversity orders.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: August 13, 2019
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Shaoli Kang, Fei Qin, Xiaoming Dai, Ying Peng
  • Patent number: 10382113
    Abstract: Disclosed in the present invention are a downlink data repeat transmission method and device for addressing a problem in which, when resource mapping is performed in different subframes in a repeat transmission, the numbers of available REs are different, and as a result data cannot be combined when performing repeat transmission of multiple subframes. The method comprises: determining a subframe set of a repeat transmission physical downlink channel; in each subframe of the determined subframe set, and when performing a resource mapping on the physical downlink channel, starting mapping from a specific start character position in a first time slot of the current subframe and mapping to all resources except for a resource corresponding to a reference signal used for demodulation; and transmitting the physical downlink channel according to the resource mapping manner.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: August 13, 2019
    Assignee: China Academy of Telecommunications Technology
    Inventors: Xuejuan Gao, Yanan Lin
  • Patent number: 10382212
    Abstract: Provided are a method and device for acquiring a message certificate in a vehicle networking system. The method comprises: receiving, by a Background Control Center (BCC), a privilege certificate request instruction sent by an On-Board Unit (OBU); generating and sending, by the BCC, a write control instruction to the OBU, receiving, by the BCC, an application grant request instruction sent by the OBU, the application grant request instruction being used for applying for use of a privilege certificate already written in the OBU to the BCC; and determining, by the BCC, the valid time for the OBU to use a designated privilege certificate, generating an application control instruction according to the determined valid time, and sending the generated application control instruction to the OBU, the application control instruction being used for indicating that the OBU uses the designated privilege certificate within the valid time.
    Type: Grant
    Filed: January 8, 2015
    Date of Patent: August 13, 2019
    Assignee: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Wei Zhou, Hui Xu
  • Patent number: 10383100
    Abstract: Disclosed are an uplink and downlink configuration information transmission method and device. The method comprises: a network device generating DCI containing TDD uplink and downlink configuration information; the network device use one PDCCH or one EPDCCH to bear the DCI containing the TDD uplink and downlink configuration information; and the network device sending the PDCCH or the EPDCCH in at least one subframe in a predetermined subframe set.
    Type: Grant
    Filed: February 26, 2014
    Date of Patent: August 13, 2019
    Assignee: China Academy of Telecommunications Technology
    Inventors: Jing Xu, Xueming Pan, Zukang Shen