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: 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: An embodiment of the present invention discloses a power control method, including: obtaining, by a UE, configuration information, where the configuration information includes a configuration parameter of at least one Scell configured by a base station for the UE; setting, by the UE, an initial power adjustment value of the Scell according to the configuration parameter of the Scell in the configuration information; and controlling, by the UE, transmit power on the Scell according to the set initial power adjustment value of the Scell. Correspondingly, an embodiment of the present invention further discloses an activation management method, a UE, and a base station. By using the present invention, transmit power of a UE on an Scell can be accurately controlled, thereby ensuring accuracy of data transmission.

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.

Abstract: Embodiments of the present invention provide a bearer setup apparatus and method. A base station includes: a receiving module, configured to receive a bearer setup request message sent by a mobility management entity MME, where the bearer setup request message is used to request to set up a bearer of a service, the bearer setup request message includes first experience quality information, the first experience quality information is an experience level related to the service, and the service is a service initiated by user equipment UE or a service initiated by a network-side device; and a processing module, configured to: determine, according to a current load status and the first experience quality information, whether the base station accepts the bearer setup request message, and if the base station accepts the bearer setup request message, set up a first bearer that is used to transmit the service.

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: Embodiments of the present invention provide a method. When a target base station determines that the UE needs to be handed over from a source base station to a target base station and needs to perform a handover between a unicast bearer and a multicast/multicast bearer; because a progress of sending a data packet by using a target bearer may be slower than a progress of sending a data packet by using an original bearer, the target base station receives a data packet sent by using the original bearer and a data packet sent by using the target bearer, and when it is determined that a progress of receiving the data packet is faster than or equal to a progress of receiving the data packet by the target base station by using the target bearer, the target base station hands over the UE to the target bearer.

Abstract: The present disclosure provides a data sending method, a base station, and a communications node. The sending method includes: sending, by a first communications node, first request information to a base station, where the first request information is used to request first information from the base station, and the first information is used to indicate authorization of a first resource; determining, by the first communications node, second information, where the second information is used to indicate authorization of a second resource, and the second resource is selected by the first communications node from a preset resource. The first information is allocated by the base station, the second information is determined by the communications node, and the communications node flexibly selects information for communication between communications nodes. In this way, both reliability and flexibility of the communication between the communications nodes are improved.

Abstract: Embodiments of the present disclosure provide a data transmission method and apparatus. The method includes: receiving, by user equipment UE, first synchronization source configuration information on a first carrier; determining, a first synchronization source based on the first synchronization source configuration information; determining that synchronization with the first synchronization source fails; determining a second synchronization source and a transmission resource; and transmitting data on a second carrier using the determined transmission resource and based on the second synchronization source, where the first synchronization source is used to provide the UE with a synchronization clock required for transmitting the data on the second carrier, and a frequency of the first carrier is different from a frequency of the second carrier.

Abstract: The present invention relates to the communications field, and discloses a data transmission method and device, so as to resolve a problem of low efficiency and excessively much power consumption when user equipment performs blind detection on a scheduling control channel. A specific solution is: receiving, by a first device, scheduling control channel length information, performing, by the first device, blind detection in a preset search space according to the scheduling control channel length information, and after detecting a scheduling control channel corresponding to the scheduling control channel length information, obtaining, by the first device, resource allocation information carried on the scheduling control channel. The present invention is applied to data transmission.

Abstract: A method for ensuring parallel data random access and a user equipment are provided. An embodiment of the present invention includes controlling a random access sequence transmitted by a user equipment through a physical random access channel (PRACH) not to be sent with other uplink transmission in the same subframe, or, when a random access sequence transmitted by a user equipment through a PRACH is sent with other uplink transmission in the same subframe, controlling a priority of power transmission of the PRACH and a priority of power transmission of an uplink channel over which the other uplink transmission is performed, when power is limited.

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.

Abstract: The present invention provides user equipment and a method for ensuring continuous service reception in a wireless network. User equipment (UE) obtains configuration information of a neighboring cell; the UE determines that at least two cells of all cells including the serving cell and the neighboring cell belong to a same area to which a same multimedia broadcast multicast service belongs; and during measurement of a reference signal, the UE combines reference signal measurement values of at least two cells that belong to the area of the same multimedia broadcast multicast service to obtain a combined measurement value, and compares the combined measurement value with a measurement value of another cell, so as to determine whether to perform reselection. Therefore, in a handover determining process, radio signal quality of a single cell is prevented from being underestimated, so that an unnecessary handover procedure is avoided, thereby ensuring quality of a radio signal obtained by UE.

Abstract: A scheduling request triggering method, apparatus, and system are disclosed. The method includes: obtaining, by a terminal device, an uplink semi-persistent scheduling resource allocated by a base station, where the uplink semi-persistent scheduling resource is used to transmit to-be-transmitted data on a logical channel of the terminal device; receiving, by the terminal device, scheduling request masking set by the base station for a first logical channel; and after determining that a triggering condition is satisfied, triggering, by the terminal device, a scheduling request via the first logical channel. In this way, when a status of data of the terminal device changes, an appropriate scheduling resource can be obtained, so as to ensure timely data transmission.

Abstract: Embodiments of the present invention provide a method and a device for allocating an air interface resource. The embodiments of the present invention are capable of solving the problem in the prior art that a method for allocating an air interface resource can provide transmission guarantee only for downlink service data on an air interface. By means of the technical solutions provided in the present invention, the end-to-end transmission guarantee between a service server and a UE can be provided for the downlink service data, thereby improving the service quality of the end-to-end transmission.

Abstract: This application relates to the field of wireless communications, and in particular, to a resource scheduling technology for vehicle to vehicle communication in a wireless communications system. In a resource scheduling method, a first terminal device receives a second-vehicle message sent by at least one second terminal device, where the second-vehicle message carries vehicle status information of the second terminal device. The first terminal device determines a historical resource occupation status of the at least one second terminal device, and selects, based on the vehicle status information indicating a vehicle location and a traveling status of the second terminal device, a first resource used for sending a first-vehicle message.

Abstract: This disclosure relates to the mobile communications field, and in particular, to a buffer processing technology in a wireless communications system. In a buffer processing method, user equipment UE triggers a direct link buffer status report, where the direct link buffer status report is at least used to report an amount of buffered data generated by the UE for a first service, and the first service is currently transmitted in a device-to-device (D2D) direct communication mode; and when the UE determines to transmit the first service in a base station relay mode, the UE stops reporting the amount of the buffered data generated by the UE for the first service to a base station. In this way, the UE stops reporting the amount of the buffered data of the first service to the base station when the UE switches from direct link transmission to base station relay transmission.

Abstract: Embodiments of the present invention disclose a radio bearer handover method, a base station device, and a network node. A base station receives information sent by a network node. The information includes a bearer identifier and dedicated information, and the dedicated information indicates that a bearer corresponding to the bearer identifier supports a handover to a sidelink radio bearer.

Abstract: The present disclosure provides a method of sending a vehicle-to-everything (V2X) service message. The method includes: determining, by a terminal device, a communication path for a V2X service, where the communication path is selected from at least two communication paths, the at least two communication paths include a first communication path and a second communication path, the first communication path is a communication path on which communication is performed using a PC5 interface, and the second communication path is a communication path on which communication is performed using a Uu interface; and sending, by the terminal device, a message of the V2X service by using the communication path. In the foregoing solution, the communication path can be selected from the at least two communication paths, to send the message of the V2X service. In this way, a communication path is flexibly selected for a V2X service.

Abstract: Embodiments of the present invention provide a method, a device, and a system for determining timing advance grouping, and relate to the field of communications, the method, device and system for determining timing advance grouping. The method includes adding, by a base station (eNodeB), a component carrier (CC) for a user equipment (UE); according to obtained timing advance (TA) group information or a preset rule, determining a TA group that the added CC belongs to, where the TA group is a set of CCs that can share a TA; and sending identification information that identifies the TA group to the UE. Embodiments of the present invention are used to determine TA grouping when the eNodeB adds the CC for the UE.