Fujitsu Corporation

Fujitsu Connected Technologies Limited

Ningjuan Chang

Weiwei Wang

Haibo Xu

Yanling Lu

Lianhai Wu

Zhaojun Li

Hua Zhou

Yuantao Zhang

Tao Qiu

Network configuration including: receiving, by a target primary eNB of user equipment, a handover request message transmitted by a source primary eNB of the user equipment, the handover request message containing identification indication information or service indication information of the user equipment in a serving eNB before handover.

Network configuration method and apparatus and system

A terminal is capable dual connectivity with a base station, the terminal including: a processor configured to perform a process that change, release, or deactivate a bearer among Secondary Cell Group, and to trigger transmission of a Packet Data Convergence Protocol (PDCP) status report according to the process; and, a transmitter configured to transmit the PDCP status report.

Bearer management apparatus and method, and communication system

A network configuration method, including: receiving, by a target primary eNB of user equipment, a handover request message transmitted by a source primary eNB of the user equipment, the handover request message containing identification indication information or service indication information of the user equipment in a serving eNB before handover.

An apparatus and method to select a resource for performing device to device (D2D) communication from a resource pool configured in a second mode by a first eNB.

Resource selection apparatus and communication system

A communication system including a first base station, a second base station and user equipment (UE). The first base station including: a transmitter to transmit to the second base station a first signal comprising information about device-to-device (D2D) communication of the UE, a receiver to receive from the second base station a second signal including a configuration information, that includes information on a resource pool configured in a second mode by the second base station, or a resource location of a resource allocated in the first mode by the second base station; and a transmitter to transmit to the UE a Radio Resource Control (RRC) Message including the configuration information after receiving the second signal; the second base station to receive from the first base station the first signal to transmit the second signal; and a receiver configured to receive from the UE a third signal for wireless connection.

The embodiments of the present disclosure provide a bearer management apparatus and method, and a communication system. The method comprises: a user equipment (UE) receives an indication message, sent by a base station, for changing a bearer type of a bearer or releasing the bearer under dual connectivity; and changes the bearer type of the bearer or releases the bearer according to the indication message. Through the embodiments of the present disclosure, the UE configured with dual connectivity can seamlessly convert the bearer.

A network configuration method and apparatus and a system, the network configuration method includes: receiving, by a target primary eNB of user equipment, a handover request message transmitted by a source primary eNB of the user equipment, the handover request message containing identification indication information or service indication information of the user equipment in a serving eNB before handover; and transmitting, by the target primary eNB of the user equipment, the identification indication information or the service indication information to a target secondary eNB of the user equipment, so that the target secondary eNB performs resource configuration for services of the user equipment according to the identification indication information or the service indication information. With the method, apparatus and system of the embodiments of the present disclosure, waste of resources resulted from repeated reservation of the resources may be avoided.

An apparatus for reporting connection setup request, includes a request transmitting unit configured to transmit a connection setup request for device-to-device communication to a network side when it is determined according to pre-obtained configuration information that the connection setup request for device-to-device communication can be transmitted to the network side.

Apparatus for reporting connection setup request

A method and apparatus for analyzing cause of link failure, includes: receiving, by a base station where the user equipment is present when a link failure is observed by the user equipment, identification information transmitted by other base stations or the user equipment, the identification information including: identification associated with the user equipment and/or identification of the user equipment in the base station; and determining, by the base station when it determines that the identification information is stored in the base station, that the link failure is resulted from a handover preparation failure.

Method and apparatus for analyzing cause of link failure

A method for processing in-device coexistence configuration information, apparatus and system. The method includes: notifying, by a source base station to a target base station, first in-device coexistence configuration information configured by the source base station for terminal equipment, when handover from the source base station to the target base station occurs in the terminal equipment. In this way, the source base station may notify the first in-device coexistence configuration information configured by it for the terminal equipment to the target base station; the target base station receives the first in-device coexistence configuration information, determines whether to configure the terminal equipment with in-device coexistence configuration information, and then notifies the source base station of related configuration information via a handover command. Wherein, when handover occurs in the terminal equipment, the in-device coexistence configuration information may be processed effectively.

Method for processing in-device coexistence configuration information, apparatus and system

Embodiments of the present application provide a method of handover in device to device communication, a base station and a communication system. The method of handover includes: transmitting, by a source base station, a handover request for handing over UE, the handover request comprising information indicating the UE to perform D2D communication with paired UE; receiving a response of the handover request transmitted by one or more base stations, and selecting one of the base stations as a target base station; and handing over the UE to the target base station according to the response of the handover request transmitted the target base station. With the embodiments of the present application, the UE and the paired UE may be made to proceed with performing D2D communication in the target base station, thereby further saving signaling overhead, and reducing waste of resources.

Method of handover in device to device communication, base station and communication system

A method for carrying out a multimedia broadcast multicast service, a home base station, a network management system of the home base station and user equipment. The method includes: acquiring, by a home network side entity, multimedia broadcast multicast service (MBMS) configuration information of a macro cell, the MBMS configuration information of the macro cell comprising first MBMS configuration information, the first MBMS configuration information comprising position information of a multimedia broadcast multicast single frequency network (MBSFN) subframe in the macro cell; and configuring a subframe of a closed subscriber group (CSG) cell at a position which is the same as that of the MBSFN subframe of the macro cell into a first almost blank subframe (ABS) or into a first ABS and MBSFN subframe, according to the acquired first MBMS configuration information, so that the user equipment (UE) is capable of receiving the MBMS of the macro cell.

Method for carrying out multimedia broadcast multicast service, home base station and user equipment

A method and apparatus for judging type of a handover failure. The method includes: judging type of a handover failure, by a base station of a serving cell where UE is present before a connection failure occurs, according to related information and a maximum measurement result of a downlink signal measured by the UE at the serving cell. The type of a handover failure in a heterogeneous network may be accurately judged by taking the maximum measurement result of the downlink signal of the serving cell into account, thereby enabling the network side to adjust a handover parameter based on the judgment result of the type of the handover failure, so as to ensure the performance of the network.

Method and apparatus for judging type of handover failure

Embodiments of the present invention provide a method and apparatus for determining a starting symbol of a physical downlink shared channel; wherein, a Pico base station transmits information indicating a PDSCH starting symbol of the Pico base station to a Macro base station, the Macro base station transmits the information indicating a PDSCH starting symbol to a terminal, and the terminal determines the PDSCH starting symbol in accordance with the information indicating a PDSCH starting symbol. With the embodiments of the present invention, the terminal within a serving range of the Pico base station resulted from a high offset value will not incorrectly decode a PCFICH due to interference of the Macro base station, thereby making the terminal determine a demarcation symbol between a PDCCH and a PDSCH, further increasing the coverage of the Pico base station, and realizing load balancing of the Macro base station and Pico base station.

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Beijing, China

Ningjuan Chang