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 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 sending method.

Abstract: A data communication method, an apparatus, and a system are provided. The method includes: sending, by a sending apparatus, a first group of one or more control resource sets to a receiving apparatus; sending, by the sending apparatus, first signaling to the receiving apparatus, where the first signaling is used to instruct the receiving apparatus to receive data on a time-frequency resource for data transmission. Based on the foregoing method, signaling overheads are reduced, and a control channel and data are dynamically reused in a control resource set.

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: Embodiments of the present invention disclose a resource mapping method. The method includes: obtaining, by a transmit end, at least one of subcarrier spacing configuration parameter information, current operating frequency information, a currently supported moving speed, and scheduled bandwidth information; determining, by the transmit end based on the at least one of the subcarrier spacing configuration parameter information, the current operating frequency information, the currently supported moving speed, and the scheduled bandwidth information, a time-frequency resource location for mapping a reference signal; and mapping, by the transmit end, the reference signal at the time-frequency resource location.

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: 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: 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 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.