Abstract:
A method and a device for establishing an evolved packet system EPS bearer are disclosed. The method includes establishing, by a first base station to which UE belongs, a first EPS bearer based on a first CC for the UE, wherein the first EPS bearer is an EPS bearer between the first base station and the UE; and instructing, by the first base station, a second base station to establish a second EPS bearer based on a second CC for the UE, wherein the second EPS bearer is an EPS bearer between the second base station and the UE. The present invention enables the UE to aggregate carriers of different frequency ranges from the first base station to which the UE belongs and the second base station to which the UE belongs to transmit data, thus improving the throughput of the data transmitted by the UE.
Abstract:
Embodiments of the present invention provide a data transmission method, including: receiving, by second UE, a first message sent by first UE or a base station, where the first message includes relay request information; sending, by the second UE, a second message to the base station according to the first message, where the second message includes information indicating that the second UE requests to act as relay UE for data transmission between the first UE and the base station; and receiving, by the second UE, a third message sent by the base station, where the third message instructs the second UE to act as the relay UE.
Abstract:
A method, a system and an apparatus can be used for transmitting data in a CA manner. A first base station currently serving a user equipment (UE), creates EPS bearers under different component carriers CC Groups for the UE. The UE sets different access stratum entities corresponding to the CC Groups to process data in the process of creating the EPS bearers. The UE determines, when transmitting or receiving data, a corresponding CC Group according to an EPS bearer that bears the data. An access stratum entity corresponding to the CC Group processes the data that needs to be transmitted or received, a site is a first base station currently serving the UE or a second base station currently serving the UE.
Abstract:
A random access method, an evolved Node B (eNB), and a terminal equipment are provided. The method includes: determining target component carriers to which a User Equipment (UE) is to be handed over, and notifying the UE of information about the target component carriers through a source eNB; and after receiving a dedicated random access preamble sent by the UE, sending a random access response message on at least one component carrier in the target component carriers. The terminal equipment includes: a handover command receiving unit, a sending unit, and a random response receiving unit. Therefore, in a random access procedure of cell handover, the eNB is capable of determining downlink component carriers that a UE monitors, thereby increasing utilization rate of downlink resources.
Abstract:
A method and a relay node (RN) for Un subframe configuration processing are disclosed. The method includes: receiving, by an RN, a radio resource control (RRC) reconfiguration message sent by an eNodeB (eNB), where the RRC reconfiguration message includes subframe reconfiguration information of the RN; and applying, by the RN, a RRC reconfiguration immediately upon reception of the RRC reconfiguration message, and applying a Un subframe reconfiguration. The foregoing technical solution can implement the Un subframe configuration of the eNB and the RN and improve communication quality.
Abstract:
A method and a relay node (RN) for Un subframe configuration processing are disclosed. The method includes: receiving, by an RN, a radio resource control (RRC) reconfiguration message sent by an eNodeB (eNB), where the RRC reconfiguration message includes subframe reconfiguration information of the RN; and applying, by the RN, a RRC reconfiguration immediately upon reception of the RRC reconfiguration message, and applying a Un subframe reconfiguration. The foregoing technical solution can implement the Un subframe configuration of the eNB and the RN and improve communication quality.
Abstract:
A method and a device for establishing an Evolved Packet System (EPS) bearer, where the method includes establishing, by a first base station to which a user equipment (UE) belongs, a first EPS bearer based on a first component carrier (CC) for the UE, wherein the first EPS bearer is an EPS bearer between the first base station and the UE; and instructing, by the first base station, a second base station to establish a second EPS bearer based on a second CC for the UE, wherein the second EPS bearer is an EPS bearer between the second base station and the UE. The present disclosure enables the UE to aggregate carriers of different frequency ranges from the first base station to which the UE belongs and the second base station to which the UE belongs to transmit data, thus improving the throughput of the data transmitted by the UE.
Abstract:
Embodiments of the present invention provide a data transmission method, including: receiving, by second UE, a first message sent by first UE or a base station, where the first message includes relay request information; sending, by the second UE, a second message to the base station according to the first message, where the second message includes information indicating that the second UE requests to act as relay UE for data transmission between the first UE and the base station; and receiving, by the second UE, a third message sent by the base station, where the third message instructs the second UE to act as the relay UE.
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.
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.