Abstract: A method for paging a user equipment (UE) includes receiving a generic page indication for the UE, the generic page indication including a list of radio access networks (RANs), selecting a subset of the list of RANs, sending a RAN-specific page indication for each RAN in the subset of the list of RANs, receiving a first RAN-specific page response associated with the UE, and sending a generic page response corresponding to the first RAN-specific page response.

Abstract: A method for paging a user equipment (UE) includes receiving a generic page indication for the UE, the generic page indication including a list of radio access networks (RANs), selecting a subset of the list of RANs, sending a RAN-specific page indication for each RAN in the subset of the list of RANs, receiving a first RAN-specific page response associated with the UE, and sending a generic page response corresponding to the first RAN-specific page response.

Abstract: A data communication method, where a first device receives a request message from at least one second device, where the request message requests the first device to forward group data, and the request message carries a group identifier. The first device returns a response message to the at least one second device, where the response message carries a layer-2 address and an Internet Protocol (IP) address corresponding to the group identifier, and the first device sends the group data using the layer-2 address when receiving the group data sent by a third device to the IP address.

Abstract: In one embodiment, a method for wireless network selection includes obtaining, by a user equipment (UE) from a visitor access network discovery and selection function (V-ANDSF) server, a visitor policy and creating a wireless local area network (WLAN) priority list in accordance with the visitor policy, a home policy, and a priority indicator. The method also includes selecting a WLAN from the priority list as a selected network.

Abstract: The present disclosure describes methods, devices, and systems for signal strength measurement. An example method includes: broadcasting, by a first relay device, a first message, wherein the first message is used by a first remote device to discover the first relay device; establishing, by the first relay device, a connection to the first remote device; and sending, by the first relay device, a second message, wherein the second message is used by the first remote device to measure signal strength of a link between the first remote device and the first relay device.

Abstract: An inter-user equipment discovery method, apparatus and system are disclosed. In an embodiment, the method includes sending, by first user equipment, a discovery request message to a first proximity-based service entity, wherein the discovery request message comprises initial location information of the first user equipment and receiving a discovery response message sent by the first proximity-based service entity, wherein the discovery response message comprises a first code word of the first user equipment. The method further include generating a discovery message according to location offset information and the first code word, wherein the location offset information is an offset between a current location and an initial location of the first user equipment and broadcasting the discovery message, wherein the discovery message is used by a second user equipment to determine a location of the first user equipment.

Abstract: In one embodiment, a method for wireless network selection includes obtaining, by a user equipment (UE) from a visitor access network discovery and selection function (V-ANDSF) server, a visitor policy and creating a wireless local area network (WLAN) priority list in accordance with the visitor policy, a home policy, and a priority indicator. The method also includes selecting a WLAN from the priority list as a selected network.

Abstract: Embodiments of the present invention provide a communication method and a device, and relate to the communications field, to implement communication between a relay terminal and a remote terminal of a different communication group. The method includes: receiving, by a first terminal, a first message sent by a second terminal; when it is determined that the second terminal selects the first terminal as a relay terminal, acquiring group information corresponding to a communication group; and communicating with the second terminal according to the group information. The method embodiment is used to implement communication.

Abstract: A method for operating a transmitting device includes receiving a first packet data convergence protocol (PDCP) protocol data unit (PDU) associated with a first remote device (RD), the first PDCP PDU including at least a first PDCP header, generating a first nested PDCP PDU in accordance with the first PDCP PDU, the first nested PDCP PDU including a second PDCP header and the first PDCP PDU, the second PDCP header comprising a first PDU type indicator indicating that the first nested PDCP PDU includes a first relayed PDCP PDU and a first identifier associated with the first RD, and sending the first nested PDCP PDU on a radio bearer.

Abstract: A method, operable at a network node of a wireless network, schedules radio resource usage for a mobile device to transmit on a device-to-device connection. The method includes receiving, from the mobile device, an indication of a requirement for transmission resources, comprising at least an indication that the resources are required with a periodicity, transmitting, to the mobile device, an assignment of a first scheduling configuration for the device-to-device connection, comprising at least an indication of periodically recurring radio resources to be used for a plurality of instances of a message transmission on the device-to-device connection, transmitting, to the mobile device, an indication to begin use of the periodically recurring radio resources, and handing over responsibility for providing radio resources for the device-to-device connection from the network node to a target network node such that the availability of radio resources with the periodicity is substantially maintained.

Abstract: Embodiments provide a data transmission method. The method includes: receiving, by a core network entity, a first message sent by a first user equipment (UE); and setting up, by the core network entity, a target bearer on the first UE according to the first message, so that a second UE transmits data using the target bearer.

Abstract: A data communication method, where a first device receives a request message from at least one second device, where the request message requests the first device to forward group data, and the request message carries a group identifier. The first device returns a response message to the at least one second device, where the response message carries a layer-2 address and an Internet Protocol (IP) address corresponding to the group identifier, and the first device sends the group data using the layer-2 address when receiving the group data sent by a third device to the IP address.

Abstract: The present invention provides a data transmission method, a device, and a system. The method includes: receiving, by a relay device, first downlink data sent by a gateway; obtaining a first service identifier of the first downlink data; obtaining, according to a first mapping relationship between a service identifier and per packet priority PPP information, first PPP information corresponding to the first service identifier; and forwarding, by the relay device, the first downlink data to a remote device according to the first PPP information. PPP information of a downlink data packet can be accurately and quickly obtained, and a rate and accuracy of downlink data transmission are improved.

Abstract: A method, operable at a network node of a wireless network, schedules radio resource usage for a mobile device to transmit on a device-to-device connection. The method includes receiving, from the mobile device, an indication of a requirement for transmission resources, comprising at least an indication that the resources are required with a periodicity, transmitting, to the mobile device, an assignment of a first scheduling configuration for the device-to-device connection, comprising at least an indication of periodically recurring radio resources to be used for a plurality of instances of a message transmission on the device-to-device connection, transmitting, to the mobile device, an indication to begin use of the periodically recurring radio resources, and handing over responsibility for providing radio resources for the device-to-device connection from the network node to a target network node such that the availability of radio resources with the periodicity is substantially maintained.

Abstract: A method for operating a transmitting device includes receiving a first packet data convergence protocol (PDCP) protocol data unit (PDU) associated with a first remote device (RD), the first PDCP PDU including at least a first PDCP header, generating a first nested PDCP PDU in accordance with the first PDCP PDU, the first nested PDCP PDU including a second PDCP header and the first PDCP PDU, the second PDCP header comprising a first PDU type indicator indicating that the first nested PDCP PDU includes a first relayed PDCP PDU and a first identifier associated with the first RD, and sending the first nested PDCP PDU on a radio bearer.

Abstract: A data communication method, where a first device receives a request message from at least one second device, where the request message requests the first device to forward group data, and the request message carries a group identifier. The first device returns a response message to the at least one second device, where the response message carries a layer-2 address and an Internet Protocol (IP) address corresponding to the group identifier, and the first device sends the group data using the layer-2 address when receiving the group data sent by a third device to the IP address.

Abstract: An inter-user equipment discovery method, apparatus and system are disclosed. In an embodiment, the method includes sending, by first user equipment, a discovery request message to a first proximity-based service entity, wherein the discovery request message comprises initial location information of the first user equipment and receiving a discovery response message sent by the first proximity-based service entity, wherein the discovery response message comprises a first code word of the first user equipment. The method further include generating a discovery message according to location offset information and the first code word, wherein the location offset information is an offset between a current location and an initial location of the first user equipment and broadcasting the discovery message, wherein the discovery message is used by a second user equipment to determine a location of the first user equipment.

Abstract: The present disclosure provides a ProSe information transmission method, a terminal, and a communications device. The method includes: acquiring, by a second terminal, a fourth code word broadcast by a first terminal, where the fourth code word is a code word that is allocated to the first terminal by a first ProSe entity; sending, by the second terminal, a first message to a second ProSe entity when the fourth code word matches a prestored code word, where the first message carries the fourth code word and a first application identity; receiving, by the second terminal, a second message sent by the second ProSe entity, where the second message carries a second identity; and discovering, by the second terminal, a first application user according to the second identity. The present disclosure is applicable to the communications field.

Abstract: Embodiments of the present disclosure provide a method and an apparatus for providing a relay service. A second message sent by an MME is received by a P-GW, where the second message includes a first identifier of remote UE; an uplink packet filter of the remote UE is determined according to the first identifier of the remote UE; and an uplink TFT of relay UE is determined, where the uplink TFT includes the uplink packet filter of the remote UE, and the uplink packet filter of the remote UE is used by the relay UE to map an uplink data packet of the remote UE to an EPS bearer of the relay UE.

Abstract: The present disclosure discloses a terminal discovery method, a terminal, a server, a base station, a management entity, and a system, and pertains to the field of wireless communications. The method includes acquiring a discovery resource, monitoring, according to the discovery resource, a second message sent by at least one second terminal, acquiring a service identity of the second terminal according to the second message, and acquiring description information of the second terminal from a server according to the service identity of the second terminal.