Abstract: Embodiments of the present invention provide an uplink traffic resource scheduling method, a device, and a system. The method includes: determining, by a terminal, a transmission pattern for a scheduling request based on uplink data, where the transmission pattern is used to indicate code channel resources that are in one uplink subframe and that are used to carry the scheduling request, and the scheduling request is used to request to schedule an uplink traffic resource to transmit the uplink data; and sending the scheduling request to a network device by using the code channel resources indicated by the transmission pattern, so that the network device schedules, for the terminal based on the code channel resources carrying the scheduling request, an uplink traffic resource corresponding to the transmission pattern.

Abstract: Embodiments of the present invention provide a method, a device, and a system for determining timing advance grouping. In one embodiment, a base station adds a component carrier (CC) for a user equipment (UE). The base station determines a timing advance (TA) group to which the added CC belongs. The TA group is a set of CCs that can share a TA. The base station sends identification information that identifies the TA group to the UE.

Abstract: Embodiments of the present disclosure relate to the communications field, and disclose a method and an apparatus for device-to-device inter-cell interference coordination. The method in the present disclosure includes: receiving, by a first terminal when the first terminal becomes a detection terminal, configuration information sent by a first base station, where the configuration information includes a resource usage detection parameter, and the resource usage detection parameter is used to configure a resource usage detection manner for the first terminal; detecting, by the first terminal based on the resource usage detection parameter, resource usage information corresponding to a resource location; reporting, by the first terminal, the resource usage information to the first base station, so that the first base station adjusts, based on the resource usage information, a D2D data transmission mode for the first terminal or a second terminal using the resource location.

Abstract: Embodiments of the present invention provide a data transmission method and apparatus, and relate to the communications field. The method includes: obtaining configuration information; establishing at least one logical channel according to an identifier of each logical channel and the corresponding transmission mode indication; obtaining a transmission resource according to the transmission mode indication of a logical channel to which device-to-device (D2D) buffered data belongs; and sending the D2D buffered data by using the obtained transmission resource. A problem that a resource allocation mode used by a terminal during D2D communication is relatively single and is not flexible enough is resolved, and the terminal can use different resource allocation modes according to a logical channel granularity, so that not only consumption of signaling resources of a network device can be reduced, but also QoS requirements of some services that require relatively high QoS can be satisfied.

Abstract: The present invention relates to the field of mobile communications, and provides a downlink data transmission method, a base station, and a user equipment. The method includes: assigning, by a base station, a first downlink data channel resource to N user equipments UEs, where N is an integer greater than 1; assigning, by the base station, a first downlink control channel resource to the N UEs; and sending, by the base station, first data on the first downlink data channel resource, and sending first scheduling control signaling on the first downlink control channel resource, where the first scheduling control signaling is used to notify the N UEs of the first downlink data channel resource, so that the N UEs receive the first data on the first downlink data channel resource.

Abstract: Embodiments of the present invention provide a method and an apparatus for controlling data transmission on a radio communication network. The method includes: acquiring, by a base station, transmission attribute information, where the transmission attribute information includes attribute information of to-be-transmitted data and scheduling attribute information of the base station; and judging whether the acquired scheduling attribute information of the base station meets a preset scheduling condition; and if yes, the base station sends a scheduling suspension message and/or a scheduling start message to a terminal according to the transmission attribute information.

Abstract: A synchronous communication method is provided.

Abstract: The present invention discloses a D2D synchronization method, user equipment, and a serving cell. The method includes: acquiring, by user equipment, synchronization control information of a serving cell; acquiring an identity of a first synchronization signal sent by a first synchronization source that is obtained through searching on a second transmission carrier frequency, and signal quality of the first synchronization source; determining, according to the identity of the first synchronization signal, the signal quality of the first synchronization source, and the synchronization control information, whether to start to send a synchronization signal; sending, by the user equipment, a second synchronization signal on a third transmission carrier frequency whose frequency is different from a frequency of a carrier frequency of the serving cell, so that a problem of synchronization between different user equipments in a multi-carrier frequency transmission scenario can be resolved.

Abstract: The embodiments of the present invention disclose a data transmission method. A specific solution is as follows: A processor sends, by using a first resource block, a first MAC PDU that carries a first reservation indicator field used to instruct to reserve the first resource block; a receiver receives a second MAC PDU sent by using a second resource block by a set of second terminal devices, where the second MAC PDU carries a first resource feedback field used to indicate that the first resource block is successfully reserved; a processor determines, according to the first resource feedback field and that is sent by a second terminal device in the set of second terminal devices, that the first resource block is a resource block used to send a new MAC PDU; and the transmitter sends the new MAC PDU by using the first resource block.

Abstract: The present invention discloses a service data scrambling method, a service data descrambling method, an apparatus, and a system, and relates to the communications field. The service data scrambling method includes: receiving service data; using a service characteristic corresponding to the service data as a part of a scrambling parameter; generating a scrambling sequence according to the scrambling parameter; scrambling the service data according to the scrambling sequence; and sending the service data. According to the present invention, it is resolved that relatively great interference is generated when multiple pieces of different service data are simultaneously transmitted in a same service area, and achieving an effect that interference between different service data sent simultaneously in the same service area can be reduced to a great extent.

Abstract: A data transmission method and apparatus, a base station, and a user equipment are disclosed. The method includes: obtaining a size and priority information of a first data packet that needs to be transmitted; determining a transmission bandwidth used for transmitting the first data packet; if the transmission bandwidth is less than the size of the first data packet and active packet discarding is allowed according to the priority information of the first data packet, processing the size of the data packet to obtain a second data packet, where a size of the second data packet is less than the transmission bandwidth; and sending the second data packet to a user equipment by using the transmission bandwidth.

Abstract: The present invention relates to the field of the Internet of Vehicles and discloses a data sending method and device. In one example, the method includes: receiving scheduling information sent by a first serving cell, where the scheduling information carries at least a second serving cell identifier of a second serving cell and an available device to device D2D transmission resource in the second serving cell; performing cell synchronization with the second serving cell based on the second serving cell identifier; and sending device to device D2D data on the available D2D transmission resource in the second serving cell according to the scheduling information.

Abstract: Embodiments of the present invention provide a method and apparatus for buffering data, which can perform highly reliable buffering processing on a received first data packet and further improve user experience. The method includes: receiving a first data packet; determining whether to perform accelerated transmission on data in the first data packet; and if it is determined not to perform accelerated transmission on the data in the first data packet, using a first manner to buffer the first data packet; and if it is determined to perform accelerated transmission on the data in the first data packet, using a second manner to buffer the first data packet, where a buffer duration in the second manner is greater than a buffer duration in the first manner. The present invention is applicable to the communications field.

Abstract: The present invention relates to a data transmission method, apparatus, and system, where the method includes: receiving, by a base station, a Multimedia Broadcast Multicast Service MBMS service transmission request and MBMS service data that are sent by a core network device; after receiving the MBMS service transmission request or the MBMS service data, sending, by the base station, an MBMS service paging message in a cell served by the base station; and sending, by the base station, the MBMS service data to user equipment UE according to the MBMS service transmission request. According to the present invention, a dynamic notification message initiated by a network can be received, and when the network needs to send MBMS service data, a UE can receive the MBMS service data in time.

Abstract: The method includes: processing a PSNR of each segment of each sample video, determining an ePSNR predictive model according to preset parameters obtained after processing and mean opinion scores of all sample videos, and determining an enhanced mean opinion score eMOS predictive model according to the predictive model. Then, for any video that needs to be evaluated, QoE of the video that needs to be evaluated may be determined according to only the enhanced MOS predictive model and an ePSNR determined according to the ePSNR predictive model. In comparison with a prior-art method for determining QoE in which only a mean value of PERNs of all frames is considered, in this process of measuring quality of experience of a mobile video service, as many as factors that affect a PSNR of a video are considered. Therefore, accurate measurement of quality of experience of an HAS video service can be implemented.

Abstract: Embodiments of the present invention provides a method, an apparatus, and a system for resource scheduling, related to the field of communications, configured to reduce the probability of transmitting data to a terminal by a network-side equipment with a too high or too low scheduling rate so as to improve system performance and improve customer experience. The method includes: receiving scheduling information transmitted by a terminal; where the scheduling information includes: a requested scheduling rate requested by the terminal request and/or requested amount of scheduling data requested by the terminal; and determining a scheduling rate according to the scheduling information. The present invention is applicable to a scenario where a network-side equipment transmits data to a terminal.

Abstract: Embodiments of the present invention relate to a V2V-based resource allocation method and apparatus. The method includes: receiving a resource request message sent by first user equipment; identifying, according to the resource request message, a level type corresponding to the first user equipment; if the level type is a high priority type, and a quantity of blocks of idle V2V resources in a first resource pool is less than a first preset threshold, or a quantity of required resource blocks that is calculated and a modulation and coding scheme is greater than a quantity of blocks of idle V2V resources in a first resource pool, allocating a V2V resource to the first user equipment. By means of the V2V-based resource allocation method and apparatus, quality of service of user equipment of a high priority type can be ensured.

Abstract: The present invention discloses a method which includes: receiving, by first UE, resource configuration information for communication between the first UE and an eNodeB; determining, by the first UE, data needing to be sent to second UE; determining, by the first UE, a D2D transmission resource indication needing to be sent; sending, by the first UE on a resource corresponding to the resource configuration information to the eNodeB, a resource SR carrying the D2D transmission resource indication, where the D2D transmission resource indication is used to request the eNodeB to allocate a D2D transmission resource to the first UE; receiving D2D transmission resource information used for sending the data to the second UE, where the D2D transmission resource information is allocated by the eNodeB according to the D2D transmission resource indication; and sending, by the first UE, the data to the second UE on the D2D transmission resource.

Abstract: Embodiments of the present invention provide a method and a system for transmitting a data packet, a sending end device and a receiving end device. The method includes: determining quality of service requirement information of service data according to content or type of the service data; carrying the quality of service requirement information in a data packet corresponding to the service data; and sending the data packet carrying the quality of service requirement information to a receiving end, so as for the receiving end to perform scheduling processing on the data packet according to the quality of service requirement information. By adopting the technical solution of the embodiments of the present invention, a received data packet is scheduled according to the quality of service requirement information, thereby effectively improving the processing efficiency of the data packet.

Abstract: Embodiments of the present invention provide a data sending method, a resource measurement method, an apparatus, and a device. The method includes: generating, by user equipment, communication service data; obtaining competitive resource configuration information used for sending the communication service data; determining, according to the competitive resource configuration information, a competitive resource configured for the user equipment; and sending the communication service data on the competitive resource. Compared with a scenario in which all user equipments simultaneously use a same resource, in the present invention, competitive resources are respectively and flexibly configured for multiple user equipments that perform communication services.