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: An apparatus for repetitive use in automotive testing includes a body. The body includes a torso and a pair of legs. Each leg includes an upper portion and a lower portion pivotably connected to each other. An upper drive pivotably drives the upper portion of each of the pair of legs about a first pivot point disposed on a bottom portion of the torso. A lower drive pivotably drives the upper portion with respect to a corresponding lower portion of the leg. The upper drive and lower drive working in concert to articulate the upper and lower portions of the leg to replicate a pedaling motion.

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: Embodiments of the present invention provide a method and device for transmitting data. The method includes: determining, after receiving a first message sent by a user equipment, whether first indication information is set, where the first indication information indicates that a server buffers downlink data to be sent to the user equipment; and when determining that the first indication information is set, retaining a signaling connection to the user equipment, and triggering the server that buffers the downlink data to send the downlink data to the user equipment. The method and device for transmitting data according to the embodiments of the present invention can save power of a user equipment.

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 relate to the field of electronic terminal technologies, and provide a service processing method. A specific solution is: registering, by user equipment, with an IMS network by using a first IMSI corresponding to a first telephone card, and obtaining a first GRUU; and if the user equipment saves a mapping relationship between the first IMSI and a second GRUU, and the second GRUU and the first GRUU have a same IMPU, configuring, by the user equipment, a first supplementary service to a supplementary service the same as a second supplementary service, where the first supplementary service is a supplementary service corresponding to the first GRUU, and the second supplementary service is a supplementary service corresponding to the second GRUU. The embodiments of the present disclosure are used for service processing.

Abstract: A method for detecting coverage of a target network, including acquiring a list of carrier frequencies of a target network that covers a position of an embedded universal integrated circuit card (eUICC) terminal; sending, to the eUICC terminal, a frequency measurement request that carries the list of carrier frequencies, so that the eUICC terminal performs frequency measurement for each carrier frequency in the list of carrier frequencies; and receiving a frequency measurement report reported by the eUICC terminal. A corresponding apparatus, including a subscription management entity, a network device, and an eUICC terminal. According to the technical solutions of the present disclosure, a coverage status of a target network to be switched to can be detected before switching.

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: A network access processing method and user equipment, where the UE accesses a first VPLMN through a first access network, and accesses a second VPLMN through a second access network; the UE determines, according to either an ANDSF policy of the first VPLMN and an ANDSF policy of the second VPLMN, to initiate a data stream offloading operation; and then the UE performs the data stream offloading operation according to an ANDSF policy different from the ANDSF policy that is either the ANDSF policy of the first VPLMN or the ANDSF policy of the second VPLMN and is used to determine to initiate the data stream offloading operation.

Abstract: Embodiments of the present disclosure provide a communication method for requesting a relay service, comprising: obtaining a first MBMS SAI set, where the first MBMS SAI set is an MBMS SAI set of an MBMS service area of a first MBMS; receiving a second MBMS SAI set sent by second user equipment, where the second MBMS SAI set is an MBMS SAI set to which a camping cell of the second user equipment belongs; and sending a first request message to the second user equipment when the first MBMS SAI set includes at least one SAI in the second MBMS SAI set, where the first request message is used to request the second user equipment to provide the first user equipment with a relay service for the first MBMS.

Abstract: The present disclosure discloses a data processing method, apparatus, and device. The method includes: sending, by a user equipment UE, updated metadata; obtaining a metadata index value corresponding to the updated metadata; and broadcasting, by the UE, the obtained metadata index value.

Abstract: Embodiments of the present invention provide a ProSe information transmission method, a terminal, and a communications device, where 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 invention is applicable to the communications field.

Abstract: An apparatus and device for repetitive use in automotive testing is provided. The apparatus includes a frame dimensioned in the same shape as a bicycle frame. The frame includes a first support beam and a plurality of second support beams. The apparatus further includes an elastic member elastically coupling each of the plurality of second support beams to the first support beam so as to allow the frame to separate when impacted and be easily reassembled for further testing. The device includes a disk having a first radar transparent layer opposite a second radar transparent layer and a reflective film disposed between the first radar transparent layer and the second radar transparent layer. The reflective film has a radar cross section pattern similar to that of an actual bicycle wheel when seen by automotive radar.

Abstract: A method for implementing resending of a short message includes, when an Internet Protocol short message gateway (IP-SM-GW) learns that in an Internet Protocol multimedia subsystem (IMS) domain, a short message fails to be sent to a receiver, sending, by the IP-SM-GW, the short message to a service center, so that the service center stores the short message; and when the receiver corresponding to the short message changes to available status, receiving, by the IP-SM-GW, the stored short message sent by the service center, and resending the short message to the receiver through the IMS domain, thereby implementing resending of a short message request failing to be sent, improving availability of sending the short message request in the IMS, and improving user experience.

Abstract: Embodiments of the present disclosure disclose a terminal discovery method and a device, and relate to the field of communications technologies, to resolve a problem that a process of filtering a user code word is relatively complex when a terminal needs to monitor multiple terminals.

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 discloses a method for implementing resending of a short message, including: when an Internet Protocol short message gateway (IP-SM-GW) learns that in an Internet Protocol multimedia subsystem (IMS) domain, a short message fails to be sent to a receiver, sending, by the IP-SM-GW, the short message to a service center, so that the service center stores the short message; and when the receiver corresponding to the short message changes to available status, receiving, by the IP-SM-GW, the stored short message sent by the service center, and resending the short message to the receiver through the IMS domain, thereby implementing resending of a short message request failing to be sent, improving availability of sending the short message request in the IMS, and improving user experience.

Abstract: The present disclosure discloses a user discovery method, user equipment, and a proximity service function entity, and pertains to the field of mobile communications technologies. The method includes: receiving a first message sent by monitoring UE; sending a second message to monitored UE; receiving a third message sent by the monitored UE; allocating a broadcast code word to the monitored UE; and sending a fourth message to the monitoring UE.

Abstract: A data flow control method, and related device and communication system are provided. In the solutions of a data flow control, a first gateway receives a first message sent by a user equipment (UE) through a first access network, where the first message carries first Internet Protocol (IP) flow identification information; the first gateway sends a second message to a packet data network gateway, and receives a third message sent by the packet data network gateway, where the third message carries third IP flow identification information, and the third IP flow identification information is used to identify an IP flow that is allowed by a network to be transmitted by the UE through the first access network and/or an IP flow that is allowed by a network to be transmitted by the UE through a second access network; and the first gateway sends a fourth message to the UE.