Patents Assigned to China Mobile Communications Corporation
  • Patent number: 8948194
    Abstract: The embodiments of the present invention disclose a method and user terminal for receiving multicast control channel (MCCH) change notifications, which include: obtaining the transmission time of an MCCH change notification; and when the MCCH change notification is not received during one MCCH modification period, receiving, according to the transmission time of the MCCH change notification, the MCCH change notification at least N times, wherein N is the preset reception times of the MCCH change notification. In the present invention, the efficiency of receiving MCCH change notifications by user terminals is improved, and the probability of processing MCCH change notifications falsely due to too many network identifiers in a physical downlink control channel (PDCCH) is reduced.
    Type: Grant
    Filed: August 13, 2010
    Date of Patent: February 3, 2015
    Assignee: China Mobile Communications Corporation
    Inventors: Youjun Gao, Zhenping Hu, Ning Yang, Chunfeng Cui
  • Patent number: 8942156
    Abstract: A method, system and device for supporting enhanced Multimedia Broadcast Multicast Service (eMBMS) in a relay network are disclosed. The method includes that: a network side sends a message to a relay node used to indicate a position of a Multicast Broadcast over Single Frequency Network (MBSFN) subframe relates to the eMBMS in a transmission frame; the relay node determines the position of the MBSFN subframe in the transmission frame according to the message, and makes the MBSFN subframe silent according to the determinate position; when a user terminal determines the existence of the MBSFN subframe made silent by the relay node in the transmission frame sent from the relay node, the user terminal receives the eMBMS sent by device except the relay node according to control information of the received eMBMS, thereby avoids the influence of the relay node to the user terminal supporting eMBMS.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: January 27, 2015
    Assignee: China Mobile Communications Corporation
    Inventors: Ning Yang, Youjun Gao, Zhenping Hu
  • Patent number: 8937892
    Abstract: A method and device for scheduling downlink subframes are disclosed in the embodiments of the present invention, in which a control section of one subframe schedules data sections of one or more other subframes, making it possible to greatly save an overhead of control signaling to thereby have more resources for transmission of data and improve the performance of a system as compared with traditional scheduling of a single subframe.
    Type: Grant
    Filed: January 31, 2011
    Date of Patent: January 20, 2015
    Assignee: China Mobile Communications Corporation
    Inventors: Dajie Jiang, Guangyi Liu, Yong Zhang
  • Patent number: 8934431
    Abstract: A method, a device and a system for indicating terminal specific Demodulation Reference Signal (DMRS) are provided by the invention. The method includes that: a network side creates signal indicating information, and sends the created signal indicating information to a terminal (S501); the terminal, according to Transmission Block (TB) indicating information of the TB and multiple bits control information which are included in the signal indicating information, confirms DMRS pattern information, antenna port information and a scrambling ID of a reference signal sequence (S502) allocated for itself. The method, the device and the system provide by the invention, compared to the prior art, reduce signaling overhead which indicates the terminal specific DMRS, thus reducing resources waste of the system.
    Type: Grant
    Filed: January 31, 2011
    Date of Patent: January 13, 2015
    Assignee: China Mobile Communications Corporation
    Inventors: Xiaodong Xu, Hai Tang, Qixing Wang, Zhihua Shi, Jianjun Liu
  • Patent number: 8917687
    Abstract: A method, an apparatus and a system for sending Sounding Reference Signal (SRS) and a method, an apparatus and a system for receiving SRS are disclosed in the present invention, which are used to reduce the requirement for Time Frequency Code (TFC) resource during the process of sending the SRS, and meanwhile to ensure the precision of channel information estimation. The method includes the steps of: determining a first frequency band required by sending the SRS, and determining a second frequency band whose width is smaller than the width of the first frequency band; according to the mode that the average interval for sending the SRS on the first frequency band is larger than the average interval for sending the SRS on the second frequency band, respectively sending the SRS on the first frequency band and the second frequency band.
    Type: Grant
    Filed: April 20, 2011
    Date of Patent: December 23, 2014
    Assignee: China Mobile Communications Corporation
    Inventors: Zhihua Shi, Jianjun Liu, Qixing Wang, Xiaodong Xu, Guangyi Liu
  • Patent number: 8918518
    Abstract: Disclosed are an access session controller, an IP multimedia subsystem and registration and session establishment methods thereof, where the access session controller includes a message reception module, a service trigger configuration module, a session control module and a message transmission module. The IP multimedia subsystem includes the access session controller and a network-wide home subscriber server system. The registration method includes: initiating, by the access session controller, an authentication information request to the network-wide home subscriber server system. The session establishment method includes: directly process, by the access session controller, the request message initiated from a user to establish a session. The foregoing solutions can simplify the signaling processing flow and reduce the network complexity.
    Type: Grant
    Filed: March 21, 2008
    Date of Patent: December 23, 2014
    Assignee: China Mobile Communications Corporation
    Inventors: Haiqiang Xue, Congxing Ouyang, Bing Wei, Xiaoyun Wang
  • Patent number: 8897201
    Abstract: A method and an apparatus for acquiring a contribution value of a transfer node are disclosed. The method includes: acquiring charging information of a trust node which is in a trust network circumstance and joining in a session, and acquiring charging information of the transfer node which is in a distrust network circumstance and joining in the session; auditing the consistency of charging information between the transfer node and the trust node; computing the contribution value of the transfer node according to the auditing result and the charging information of the transfer node. The invention can effectively guarantee acquiring the contribution value of the transfer node truly and unfailingly in a distrust circumstance of network circumstance, and subsequently providing basis for rewarding the node which has contributed for transferring.
    Type: Grant
    Filed: February 10, 2010
    Date of Patent: November 25, 2014
    Assignee: China Mobile Communications Corporation
    Inventors: Jin Peng, Naibao Zhou, Xiaodong Duan, Yunfei Zhang, Yichuan Wu, Hongluan Liao
  • Patent number: 8880873
    Abstract: An authentication method, system and device are provided by the embodiments of the present invention. Said method includes the following steps: an Application Server (AS) receives an AS access request, which carries a user identifier, transmitted by a User Equipment (UE); the AS generates a key generation request based on the user identifier and transmits it to a network side; the AS receives the key transmitted by the network side, and authenticates the UE according to the key. In the present invention, generating the key between a terminal without a card and the AS is implemented, and the AS authenticates the UE using the generated key, and the security of the data transmission is improved.
    Type: Grant
    Filed: December 28, 2010
    Date of Patent: November 4, 2014
    Assignee: China Mobile Communications Corporation
    Inventor: Xiaoming Lu
  • Publication number: 20140293800
    Abstract: A communication parameter determination method, and a WLAN communication method and device, comprising: a base station determines a first communication parameter used by a first mobile terminal for communication in a WLAN, the first communication parameter representing a first waiting time of the first mobile terminal in the WLAN from the time of determining that the channel is idle to the time of starting to communicate, and the first waiting time being less than a second waiting time of a second mobile terminal in the WLAN from the time of determining that the channel is idle to the time of starting to communicate; the base station transmits the determined first communication parameter to the first mobile terminal. Accordingly, the first mobile terminal about to switch from a cellular network to the WLAN receives the first communication parameter transmitted by the base station; and after accessing the WLAN, the first mobile terminal uses the first communication parameter to communicate in the WLAN.
    Type: Application
    Filed: November 13, 2012
    Publication date: October 2, 2014
    Applicant: CHINA MOBILE COMMUNICATIONS CORPORATION
    Inventors: Fang Xie, Youjun Gao, Ba Jin, Zhenping Hu
  • Patent number: 8848896
    Abstract: The present invention relates to a message-based notifying method for notifying a waiting queue and an application server, wherein the method includes: sending, by a calling terminal, a call request to a called terminal; forwarding, by an application server, to the called terminal the call request sent from the calling terminal, and determining from a response message returned from the called terminal whether the called terminal is in an idle status; and if the called terminal is in a busy status, then adding by the application server the calling terminal into a waiting enqueuing queue of the called terminal, and sending to the calling terminal a waiting notification message containing a waiting queue value corresponding to the calling terminal; or if the called terminal is in an idle status, then establishing directly a communication connection between the calling terminal and the called terminal.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: September 30, 2014
    Assignee: China Mobile Communications Corporation
    Inventors: Jianming Zhou, Congxing Ouyang, Jinglei Liu
  • Patent number: 8837348
    Abstract: A relay transmission method, cell base station and relay station, for improving the average spectrum efficiency and throughput of a cell, are provided by the present invention.
    Type: Grant
    Filed: July 14, 2010
    Date of Patent: September 16, 2014
    Assignee: China Mobile Communications Corporation
    Inventors: Jing Wang, Guangyi Liu, Xiaodong Shen
  • Patent number: 8830902
    Abstract: A method, system and device for wireless communication are provided by the present invention. The method includes that: from the ending of the Transmit-Receive Guard interval (TRG) to the beginning of the Receive-Transmit Guard interval (RTG), an evolved Node B (eNB) carries Common Reference Signals (CRSs) or Demodulated Reference Signals (DMRSs) on the carriers are used for transmitting data signals and/or control signals to a Relay Node (RN); the RN demodulates, according to the CRSs or the DMRSs, the signals transmitted by the eNB; the TRG is the guard interval of the transition, for the RN, from transmitting signals to receiving signals over the backhaul link, and the RTG is the guard interval of the transition, for the RN, from receiving signals to transmitting signals over the backhaul link. The application of the present invention enables the RN to receive the data signals and/or control signals transmitted by the eNB correctly.
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: September 9, 2014
    Assignee: China Mobile Communications Corporation
    Inventors: Xiaodong Shen, Qixing Wang, Jianjun Liu, Zhihua Shi
  • Patent number: 8824426
    Abstract: A method for transmitting Physical Downlink Control Channel (PDCCH) information, a method for determining PDCCH search space and devices thereof are disclosed in the present embodiments. The method for determining PDCCH search space includes the following step: Node B (NB) determines the different search spaces corresponding to different PDCCHs according to Carrier Indicator (CI) information. By applying the technical solution provided in the embodiments of the present invention, the CI information is introduced in the search space determining process, so that different search spaces can be allocated to the cross-carrier PDCCHs of one User Equipment (UE) and the NB and UE are able to exactly determine the search spaces of PDCCHs in each downlink carrier, therefore reducing the blocking probability during PDCCH scheduling process and improving the reliability of PDCCH transmission.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: September 2, 2014
    Assignee: China Mobile Communications Corporation
    Inventors: Jun Wang, Xiaodong Xu
  • Publication number: 20140241299
    Abstract: A terminal inter-application network resource allocation method comprises the following steps: a terminal determining, according to a set ratio, an allocation ratio of network bandwidth resources for network applications running at the foreground, and according to a statistical result, obtained by the terminal, of operational behavior performed by a user on each network application, determining an allocation ratio of unallocated network bandwidth resources for each network application; the terminal allocating network bandwidth resources to each network application according to the allocation ratio of the network bandwidth resources for each network application. According to the application, bandwidth allocation can be dynamically adjusted in real time according to user operations, so as to solve the problem that, when multiple applications are enabled, the data communication time of a current application increases because the network resources are occupied by other background applications.
    Type: Application
    Filed: September 26, 2012
    Publication date: August 28, 2014
    Applicant: CHINA MOBILE COMMUNICATIONS CORPORATION
    Inventor: Xuefeng Zhao
  • Patent number: 8811239
    Abstract: A communication method and device are applicable in a mobile communication system of LTE Type 2 wideband TDD. The method includes: transmitting, by a first communication device, to a second communication device a radio frame, where the radio frame includes a data timeslot for transmitting data, an uplink special timeslot and a downlink special timeslot for carrying synchronizing information, and the data timeslot is shorter than an original data timeslot by a first timeslot, and at least part of the first timeslot is located at the downlink special timeslot.
    Type: Grant
    Filed: May 2, 2012
    Date of Patent: August 19, 2014
    Assignee: China Mobile Communication Corporation
    Inventors: Guangyi Liu, Lu Han, Yuhong Huang
  • Patent number: 8811319
    Abstract: A terminal access method is disclosed. The method includes the following steps: the terminal receives an auxiliary synchronization signal sent by a base station on a transmission resource which is chosen from an uplink and used for transmitting downlink data; the terminal calculates transmission power according to the auxiliary synchronization signal; and the terminal sends a Random Access Channel (RACH) access preamble code to the base station according to the transmission power and performs a RACH access process.
    Type: Grant
    Filed: August 2, 2010
    Date of Patent: August 19, 2014
    Assignee: China Mobile Communications Corporation
    Inventor: Xiaodong Shen
  • Patent number: 8804744
    Abstract: A method for data transmission based on a relay mobile communication system and an equipment thereof are provided by the present invention. The method includes: at least two transport planes are configured on the Un interface protocol stack of the relay equipment and the base station eNode B; the relay equipment and the eNode B transmit the data via at least two transport planes configured on the Un interface protocol stack. With the present invention, the throughput rate of the Un interface between the relay equipment and the eNode B in the relay mobile communication system is improved, and the time delay of the Un interface is reduced.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: August 12, 2014
    Assignee: China Mobile Communications Corporation
    Inventors: Youjun Gao, Zhenping Hu, Ning Yang, Weimin Wu, Desheng Wang, Xiaowei Jiang
  • Patent number: 8762461
    Abstract: Disclosed is a method, system and device for searching active nodes in P2P(peer to peer) streaming media system.
    Type: Grant
    Filed: June 13, 2010
    Date of Patent: June 24, 2014
    Assignee: China Mobile Communications Corporation
    Inventors: Yunfei Zhang, Jin Peng, Xiaodong Duan, Guangqing Deng, Jiadong Hao, Bing Wei
  • Patent number: 8763083
    Abstract: A method, Super Node-Core (SN-C) node and Distributed Service Network (DSN) authentication system for requesting and storing DSN authentication information are provided, wherein the method for requesting the DSN authentication information includes: according to a user access request, judging whether a local SN-C node stores the authentication information of the user; when the local SN-C node stores the authentication information, initiating an authentication process directly; when the local SN-C node does not store the authentication information, requesting the authentication information from other SN-C nodes which store the authentication information of the user.
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: June 24, 2014
    Assignee: China Mobile Communications Corporation
    Inventors: Minpeng Qi, Hongru Zhu, Qi Wu
  • Publication number: 20140169337
    Abstract: A method for implementing communication includes: determining an operating system corresponding to a current time slice, the determined operating system supporting a communication network standard; determining a memory partition; running the determined operating system based on the determined memory partition and driving a Digital Signal Processor, a signal processing module supporting the communication network standard and a Radio Frequency signal transceiver based on a hardware driving program included in a system program of the determined operating system; controlling the signal processing module to read authentication information of the terminal and controlling the Digital Signal Processor to encapsulate, based on a communication protocol, the authentication information of the terminal to generate a communication network signal; and controlling the Radio Frequency signal transceiver to convert the communication network signal into a Radio Frequency signal and send the Radio Frequency signal to a communica
    Type: Application
    Filed: July 27, 2012
    Publication date: June 19, 2014
    Applicant: CHINA MOBILE COMMUNICATIONS CORPORATION
    Inventors: Yonghui Wang, Chuan Yu, Wei Jiao