Patents Assigned to ZTE
  • Video image sending method, device and system
    Publication number: 20150003532
    Abstract: A video image sending method, device and system is provided, relating to a video image processing technology being used for reliably and effectively sending a 3D video with a bandwidth required by the existing H.263. The video image sending method is adapted to send a 3D video image between video players, comprising: comparing an acquired first video image and an acquired second video image to find out macro blocks in the second video image which are different from those in the first video image; and sending the first video image and the macro blocks, as an I-frame video image, to a network side.
    Type: Application
    Filed: May 17, 2012
    Publication date: January 1, 2015
    Applicant: ZTE CORPORATION
    Inventor: Wen Fang
  • TIME CALIBRATION METHOD AND DEVICE
    Publication number: 20150005003
    Abstract: Disclosed are a time calibration method and device. The method includes: a mobile terminal determines the local time where the mobile terminal is located according to the time data in a received GPS navigation message and time zone information about the mobile terminal (S102); and the mobile terminal performing time calibration on itself according to the local time where it is located (S104). The embodiments of the present disclosure can solve the problem that a mobile terminal cannot precisely adjust the time automatically if there is no accurate reference time or if there is no network coverage.
    Type: Application
    Filed: March 15, 2012
    Publication date: January 1, 2015
    Applicant: ZTE CORPORATION
    Inventor: Pucha Chen
  • Long reach optical amplification device, passive optical network, and method for transmitting optical signals
    Patent number: 8923697
    Abstract: The present invention provides a long reach optical amplification device, a passive optical network and an optical signal transmission method in the communication field.
    Type: Grant
    Filed: December 30, 2010
    Date of Patent: December 30, 2014
    Assignee: ZTE Corporation
    Inventors: Jidong Xu, Dezhi Zhang
  • Anti-crack method and device for network-locked mobile terminal, and network-locked mobile terminal
    Patent number: 8923917
    Abstract: An anti-crack method for a network-locked mobile terminal is provided. The method includes the following steps: when a mobile terminal starts up, a Subscriber Identity Module (SIM) card reports first network lock information to the mobile terminal; when the mobile terminal is in an activated network-locked state, it judges whether the first network lock information is legal; if the first network lock information is illegal, the mobile terminal locks the SIM card; and if the first network lock information is legal, the mobile terminal initiatively read the second network lock information and judge whether the second network lock information is legal; if the second network lock information is legal, the mobile terminal begins to search the network; and if the second network lock information is illegal, the mobile terminal locks the SIM card.
    Type: Grant
    Filed: April 23, 2010
    Date of Patent: December 30, 2014
    Assignee: ZTE Corporation
    Inventor: Kai Feng
  • Method for service data transmission, a receiver, a mobile terminal, a transmitter and a base station
    Patent number: 8923192
    Abstract: The present invention discloses a method for service data transmission, a receiver, a mobile terminal, a transmitter and a base station. In the above method, a receiver of a mobile terminal receives a control signal sent by a base station, wherein the control signal is used for indicating more than one subcarriers allocated to the mobile terminal and the more than one subcarriers are used for service data transmission; it is judged whether the difference between the highest frequency FREHigh and the lowest frequency FRELow in the more than one subcarriers exceeds a threshold value THB; if not exceed, then the receiver receives service data using a narrowband mode, otherwise receives the service data using a broadband mode.
    Type: Grant
    Filed: October 19, 2010
    Date of Patent: December 30, 2014
    Assignee: ZTE Corporation
    Inventor: Ming Gong
  • Method, system and base station for implementing compatibility between mobile call waiting and cluster call waiting
    Patent number: 8923834
    Abstract: A method, system and base station are disclosed for implementing compatibility between mobile call waiting and cluster call waiting. The method includes: when a first calling terminal initiates a first call, the base station receiving access information transmitted by a called terminal of the first call, and making a request to a mobile processor and a cluster processor for updating status information of terminals involved in the first call to a busy state; according to the request from the base station, the mobile processor and the cluster processor updating the status information of the terminals to the busy state; when a second calling terminal initiates a second call, the base station querying out that the status of the called terminal of the second call is busy, and transmitting call waiting incoming call prompting information to the called terminal of the second call.
    Type: Grant
    Filed: November 24, 2010
    Date of Patent: December 30, 2014
    Assignee: ZTE Corporation
    Inventors: Baorui Li, Changrong Shi
  • Wireless channel access method and system
    Publication number: 20140376433
    Abstract: Disclosed are a method and system for accessing a wireless channel. An access point transmits a radio frame including access parameters of at least one group of stations (STAs); and when receiving the radio frame, an STA belonging to the at least one group of STAs transmits data to be transmitted competitively within an uplink transmission period in the access parameters according to the access parameters of the group of STAs. With the disclosure, system overhead can be reduced while low power consumption of a station is ensured.
    Type: Application
    Filed: November 6, 2012
    Publication date: December 25, 2014
    Applicant: ZTE Corporation
    Inventors: Nan Li, Kaiying Lv, Jing Jiang, Kaibo Tian, Bo Sun
  • METHOD AND DEVICE FOR HARQ COMBINATION
    Publication number: 20140376469
    Abstract: A method for Hybrid Automatic Repeat Request (HARQ) combination is disclosed. The method includes that: externally configured parameters relevant to HARQ combination are received, and an identifier ddr2switch of DDR2 switching is calculated to acquire addresses involved before and after the HARQ combination; it is determined, according to the parameters and the addresses involved before and after the HARQ combination, whether the HARQ combination is needed to be performed; and when it is determined that the HARQ combination is needed to be performed, data in a DDR2 are read and stored into a first data cache random access memory RAMA; and a HARQ combination calculation is performed, and the calculation result is stored into a second data cache random access memory RAMB. A device for HARQ combination is further disclosed.
    Type: Application
    Filed: April 18, 2012
    Publication date: December 25, 2014
    Applicant: ZTE CORPORATION
    Inventors: Wei Zhang, Feng Wang, Dandan Guo, Ming Fang, Yao Wang
  • Method and Device for Sending a Paging Indicator Channel Frame
    Publication number: 20140376472
    Abstract: A method and apparatus for transmitting a paging indicator channel frame are provided in the present invention, wherein, the method includes: a base station, according to values of various Paging indicators (PIs in the paging indicator channel frame, deciding to transmit the paging indicator channel frame or a BitsGroup corresponding to the paging indicator in the paging indicator channel frame at a first power or a second power, wherein, the second power is less than the first power. The apparatus includes a paging indicator value analyzing unit and a paging indicator channel frame transmitting unit. The invention reduces the power overhead of the base station, reduces the power consumption of the base station, and enhances the pilot channel quality of the cell primary common pilot channel.
    Type: Application
    Filed: September 16, 2011
    Publication date: December 25, 2014
    Applicant: ZTE CORPORATION
    Inventor: Qingqi Yu
  • METHOD AND SYSTEM FOR CONVERGING CALL
    Publication number: 20140376544
    Abstract: A method for converging a call is disclosed. A non IP-Multimedia-Subsystem (IMS) network is provided with a non IMS network interworking device, by which the non IMS network is converged with a Voice over Internet Protocol (VoIP) network. The method further includes: when the non IMS network determines that a callee receiving a call request is a convergence call user, the non IMS network forwards the call request to the VoIP network; and the VoIP network initiates a call to the callee. A system for converging a call which implements the aforementioned method is further disclosed. The disclosure takes full advantage of the service characteristic of the convergence network, so as to supply users with convenient service access implementation and reduce the service charge.
    Type: Application
    Filed: May 2, 2012
    Publication date: December 25, 2014
    Applicant: ZTE Corporation
    Inventors: Yang Gao, Lingjiang Mu
  • INFORMATION REMINDING METHOD AND DEVICE
    Publication number: 20140378187
    Abstract: The disclosure provides an information reminding method and device, wherein the method includes: acquiring a standby time of an information reminding device; acquiring a first time length between a reminding moment of information for reminding and an acquiring moment of the standby time; judging whether the standby time is less than or equal to the first time length; and if the standby time is less than or equal to the first time length, giving advance reminder of the information for reminding. The disclosure solves the problem that a mobile phone fails to give reminder of the to-do events which is caused by the mobile phone running out of power and powering off in the related technologies, so that the real-time performance, the validity and the value of information reminding are improved, and the user experience is improved.
    Type: Application
    Filed: February 23, 2012
    Publication date: December 25, 2014
    Applicant: ZTE Corporation
    Inventor: Chao Fan
  • Method and system for processing downlink control information
    Publication number: 20140376422
    Abstract: A method and a system for processing downlink control information are disclosed, in which downlink control information for the subframe n may be transmitted in a subframe n or the downlink control information for the subframe n may be transmitted in a subframe n?1. By means of technology for processing control channel information provided by the disclosure, a region where the downlink control information is transmitted is added, and space division technology can be fully utilized, so that a load of a Physical Downlink Control Channel (PDCCH) is reduced, the interference between control channels is reduced, and the capacity of the control channel is enlarged.
    Type: Application
    Filed: December 13, 2011
    Publication date: December 25, 2014
    Applicant: ZTE CORPORATION
    Inventors: Bo Dai, Yijian Chen, Xin Wu, Ruyue Li
  • Policy Control Method And System For Converged Network
    Publication number: 20140378131
    Abstract: A policy control method for a converged network comprises: in a roaming scenario, after learning that a user equipment (UE) accesses a mobile network through a wireless local area network (WLAN) access, a visited policy and charging rules function (V-PCRF) establishing a subsession serving WLAN Offload when establishing an S9 session to a home policy and charging rules function (H-PCRF), and carrying a WLAN Offload instruction. With the present document, the WLAN offload data can be distinguished from data routed back to an EPC network in the roaming scenario, thereby delivering policy control for the WLAN offload data.
    Type: Application
    Filed: December 17, 2012
    Publication date: December 25, 2014
    Applicant: ZTE CORPORATION
    Inventors: Tong Rui, Xiaoyun Zhou
  • Message filtering method and system
    Publication number: 20140380052
    Abstract: A message filtering method and system is provided for enabling a terminal to determine whether a message is true or false. A message server and a mobile network server perform mutual authentication and negotiate with each other for a sequence code for message verification; when transmitting a message to a terminal, the message server contains the sequence code in the message; after receiving the message, the terminal transmits the sequence code to the mobile network server for verification, presents the message for the user if the verification is passed, or rejects the message if the verification is not passed. By verifying the source of a message received using a sequence code, a false message server can be prevented from spreading a false message to terminals.
    Type: Application
    Filed: April 12, 2012
    Publication date: December 25, 2014
    Applicant: ZTE CORPORATION
    Inventors: Weicheng Tao, Jun Chen, Lizhe Yao
  • METHOD AND DEVICE FOR ACTIVATING UPLINK CLOSED LOOP TRANSMIT DIVERSITY
    Publication number: 20140376481
    Abstract: Disclosed are a method and device for activating uplink closed loop transmit diversity (UL CLTD). The method comprises: a NodeB receives configuration information for the UL CLTD from a radio network controller, wherein the configuration information for the UL CLTD comprises an information element carrying the initialized UL CLTD active status, and the information element carrying the initialized UL CLTD active status is used for indicating an active status to be used when the NodeB activates the UL CLTD of a user equipment (UE); the NodeB activates the UL CLTD of the UE using the active status indicated by the information element carrying the initialized UL CLTD active status. The disclosure solves the problem in the prior art of the unclearness of which active status is to be used as the initialized active status, so as to ensure the implementation of the UL CLTD function.
    Type: Application
    Filed: July 23, 2012
    Publication date: December 25, 2014
    Applicant: ZTE CORPORATION
    Inventors: Jie Zhao, Meifang He
  • Method and system for transmitting 3D picture in multimedia message service message
    Publication number: 20140375765
    Abstract: A method for transmitting a three-dimensional (3D) picture in an MMS message is disclosed. The method includes: in a Synchronized Multimedia Integration Language (SMIL) file, a sender assigns a same Identifier (ID) for two different pictures, sets an attribute of each of the two pictures as a 3D display picture, and sends the two pictures to a receiver; or, a sender synthesizes two different pictures in the SMIL file into a file, assigns an ID for the synthesized file, sets an attribute of the ID as a 3D display picture, and sends the synthesized file to a receiver; and the receiver displays the two pictures in a 3D mode. A system for transmitting a 3D picture in an MMS message is also disclosed. With the technical solution of the disclosure, the problem that transmission of a 3D picture cannot be supported in an existing protocol can be solved.
    Type: Application
    Filed: November 1, 2011
    Publication date: December 25, 2014
    Applicant: ZTE CORPORATION
    Inventors: Wen Fang, Yongqi Li, Jun Lin
  • Method and device for retransmitting data under antenna gain imbalance
    Publication number: 20140376664
    Abstract: The disclosure provides a method and device for retransmitting data under antenna gain imbalance, and the method includes: determining that gains of multiple antennas at a transmission terminal are imbalanced; using a better spatial sub-channel in the multiple antennas to retransmit data when streams transmitted by the multiple antennas adopt a same Modulation and Coding Scheme; and using a better spatial sub-channel in the multiple antennas to retransmit data and/or using a single-stream approach to retransmit data when the streams transmitted by the multiple antennas adopt different Modulation and Coding Schemes. The disclosure selects a corresponding retransmission approach according to the condition of a spatial sub-channel on which streams have an error, thus improving and ensuring success rate for retransmitting a stream.
    Type: Application
    Filed: March 16, 2012
    Publication date: December 25, 2014
    Applicant: ZTE CORPORATION
    Inventor: Yang Guo
  • Call center system and call service implementation method thereof
    Patent number: 8917856
    Abstract: The present invention discloses a call center system and a call service implementation method thereof, wherein in the system, a Web access device is used for logging on an instant messaging server based on an instant messaging access of a user and sending instant messaging queuing information to a Computer Telephony Integration (CTI), and initiating an instant messaging request to a seat after receiving queuing result information returned by the CTI; the CTI is used for returning the queuing result information to the Web access device according to the received instant messaging queuing information and sending a Web access service beginning message to the seat; and the seat is used for accepting the instant messaging request initiated by the Web access device according to the received Web access service beginning message and performing an instant messaging.
    Type: Grant
    Filed: December 21, 2009
    Date of Patent: December 23, 2014
    Assignee: ZTE Corporation
    Inventor: Chunhui Zhao
  • Method, system and relay node for processing uplink control information on backhaul link
    Patent number: 8917652
    Abstract: The disclosure discloses a method, system and RN for processing UCI on a backhaul link. The method comprises that: the RN determines Q? which is the number of the coded modulation symbols of the backhaul UCI according to the number of SC-FDMA symbols occupied by a GP, wherein the GP comprises RN state switch time deltaT and/or the time interval deltat which is reserved for avoiding the interference caused by RN uplink transmission, and deltaT is the switch time required by the RN to switch from an uplink reception state to an uplink transmission state and/or from the uplink transmission state to the uplink reception state; and the RN codes the backhaul UCI into a Q=Q?×Qm bits sequence, wherein Qm is the number of bits comprised in each coded modulation symbol in the modulation order of the backhaul uplink subframe. The disclosure improves the performance of the system.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: December 23, 2014
    Assignee: ZTE Corporation
    Inventors: Jin Yang, Feng Bi, Yifei Yuan, Ming Yuan, Shuanshuan Wu, Feng Liang
  • Method for short message signaling intercommunication and short message service center
    Patent number: 8918125
    Abstract: The present disclosure discloses a method for short message signaling intercommunication and a short message service center (SMSC), relating to the field of mobile number portability (MNP) service in mobile communications technology, and applying to solve the problem in the prior art that the process of the short message signaling intercommunication cannot be applied to the MNP service.
    Type: Grant
    Filed: February 20, 2010
    Date of Patent: December 23, 2014
    Assignee: ZTE Corporation
    Inventors: Yejuan Zhou, Jian Zhong