Abstract: A training packet sending method and apparatus, where the method includes generating, by a first device, a training packet, where the training packet includes a preamble, a header, and a training field, and the header includes at least a legacy header, and repeatedly sending, by the first device, the preamble using N channels, sending the legacy header in the header using the N channels, and sending the training field to at least one second device using H channels of the N channels, where N is greater than 1, and H is greater than 1 and less than or equal to N.

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: This application provides a reference signal transmission method and an apparatus, to resolve a prior-art problem of relatively high overheads of resources occupied by transmitted reference signals in a communications system. The method includes: configuring, by a transmitting device, one reference signal group corresponding to one port in the first time symbol, and configuring one reference signal corresponding to the port in each of time symbols except the first time symbol. This reduces overheads of resources occupied by transmitted reference signals in the communications system and improves service data transmission efficiency while ensuring that a receiving device can obtain a channel parameter of the port.

Abstract: A beam refinement method and a communications device, where the method includes determining, by a first device, a format of an enhanced Beam Refinement Protocol (eBRP) packet, where the eBRP packet includes a training field, the training field includes an eBRP channel estimation (eBRP-CE) sub-field and an eBRP training (eBRP-TRN) sub-field, and a ratio of a quantity of Gray codes composing the eBRP-CE sub-field in the training field to a quantity of Gray codes composing the eBRP-TRN sub-field in the training field is less than 9:20, and sending, by the first device, the eBRP packet to a second device based on the determined format of the eBRP packet. Hence, an effective proportion of the eBRP-TRN sub-field in the training field can be increased such that more Antenna Weight Vector (AWV) configurations can be attempted within a same period of time.

Abstract: A traffic flow forwarding path redirection method and apparatus, and a traffic flow forwarding system, where the method includes determining a redirection parameter of a virtual network element through which a traffic flow passes, where the virtual network element includes a plurality of physical network elements, establishing, according to a topological relationship of the physical network elements in the virtual network element, a redirection path to forward the traffic flow between an inbound interface of a start physical network element and an outbound interface of an end physical network element, generating tunnel forwarding information of the redirection path, and sending, to the physical network elements on the redirection path, packet labels respectively corresponding to the physical network elements. Hence, a traffic flow forwarding path redirection process is simplified.

Abstract: A method and a device for policy based routing are provided, which includes the device performing the steps of: setting interfaces of router(s) to be multiple redirection groups, wherein the redirection groups being ordered being according to a priority order; detecting interface states of interfaces in the redirection groups; and switching traffic among the multiple redirection groups according to the interface states of the interfaces in the redirection groups.

Abstract: A CSI feedback method and device, including: acquiring a code identifier; acquiring a code parameter group corresponding to the code identifier from multiple preset code parameter groups; compressing an initial CSI according to the code parameter group to generate a compressed CSI, wherein the initial CSI is acquired by measuring a current downlink channel of a base station; and feeding back the compressed CSI to the base station, wherein the compressed CSI is used for reestablishment according to the code parameter group by the base station to obtain an initial CSI for next data sending of the base station. In the present invention, the precision of the CSI fed back by the UE may be adaptively modified according to the uplink and downlink communication conditions of the current base station, thus optimizing the data transmission capability of a system.

Abstract: Compositions and methods related to transgenic glyphosate tolerant Brassica plants are provided. Specifically, the present invention provides Brassica plants having a DP-073496-4 event which imparts tolerance to glyphosate. The Brassica plant harboring the DP-073496-4 event at the recited chromosomal location comprises genomic/transgene junctions within SEQ ID NO: 2 or with genomic/transgene junctions as set forth in SEQ ID NO: 12 and/or 13. The characterization of the genomic insertion site of the event provides for an enhanced breeding efficiency and enables the use of molecular markers to track the transgene insert in the breeding populations and progeny thereof. Various methods and compositions for the identification, detection, and use of the event are provided.

Abstract: Compositions and methods related to transgenic glyphosate tolerant Brassica plants are provided. Specifically, the present invention provides Brassica plants having a DP-073496-4 event which imparts tolerance to glyphosate. The Brassica plant harboring the DP-073496-4 event at the recited chromosomal location comprises genomic/transgene junctions within SEQ ID NO: 2 or with genomic/transgene junctions as set forth in SEQ ID NO: 12 and/or 13. The characterization of the genomic insertion site of the event provides for an enhanced breeding efficiency and enables the use of molecular markers to track the transgene insert in the breeding populations and progeny thereof. Various methods and compositions for the identification, detection, and use of the event are provided.

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: 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: The present disclosure discloses a macro base station includes: a processing unit, configured to determine location information of user equipment UE within coverage of the macro base station, and allocate a candidate micro base station to the UE according to the location information of the UE; and a sending unit, configured to send identifier information of the candidate micro base station to the UE and send the location information of the UE to the candidate micro base station. According to embodiments of the present disclosure, a channel state of a millimeter-wave band channel between a micro base station and UE can be measured.

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: The present invention discloses a channel state information (CSI) feedback method. The CSI feedback method includes: receiving, by user equipment (UE), a reference signal broadcast by a base station; performing channel estimation on a radio channel between the base station and the UE by using the reference signal, to obtain CSI and a channel quality parameter; adjusting the channel quality parameter according to a channel quality weight parameter, to obtain a channel statistic quality parameter; and when the channel statistic quality parameter exceeds a channel quality threshold, feeding back the CSI to the base station. In the present invention, because a channel quality parameter is dynamically adjusted by using a channel quality weight parameter, and it is selected, according to a result of comparing an adjusted channel statistic quality parameter with a channel quality threshold, whether to report CSI. UEs in a system can be evenly scheduled.

Abstract: Disclosed are a data transmission method, apparatus and system in a heterogeneous network. The data transmission method in a heterogeneous network comprises: a macro base station carrying control information in a subframe, transmitting the control information to a terminal in a control-frequency band, and informing a low power node of the control information; according to the control information, the low power node carrying data information in a subframe and transmitting the data information to a terminal by a data-frequency band; the control-frequency band and the data-frequency band are statically deployed, and the control-frequency band and the data-frequency band are non-overlapped.

Abstract: A handover method and a base station are provided. The handover method may include: when a UE needs to be handed over, obtaining bearer context information of the UE in a first base station; sending a handover request to a target base station, where the handover request carries the bearer context information; and after receiving a handover response that is returned by the target base station and indicates that the handover is agreed to, sending a handover command to the UE so that the UE is handed over to the target base station. Based on the above technical solutions, the UE handover can be implemented quickly in the case of using multiple carriers and the current service of the UE can be recovered quickly, which can improve communication experience of a user.

Abstract: The present invention discloses a channel state information (CSI) feedback method. The CSI feedback method includes: receiving, by user equipment (UE), a reference signal broadcast by a base station; performing channel estimation on a radio channel between the base station and the UE by using the reference signal, to obtain CSI and a channel quality parameter; adjusting the channel quality parameter according to a channel quality weight parameter, to obtain a channel statistic quality parameter; and when the channel statistic quality parameter exceeds a channel quality threshold, feeding back the CSI to the base station. In the present invention, because a channel quality parameter is dynamically adjusted by using a channel quality weight parameter, and it is selected, according to a result of comparing an adjusted channel statistic quality parameter with a channel quality threshold, whether to report CSI. UEs in a system can be evenly scheduled.

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 load sharing method comprises: receiving a message and determining an outbound interface that is configured to forward the message; obtaining bandwidth usage parameters of the outbound interfaces when a number of the outbound interfaces is greater than 1; selecting one of the outbound interfaces as a forwarding outbound interface for forwarding the message, according to the bandwidth usage parameters of the outbound interfaces and a content of the message.