Abstract: Provided are a congestion control method, device and system. The congestion control method includes: receiving, by a source device, through a first port a local anti-congestion response message sent from a sink device, wherein the local anti-congestion response message is sent after the sink device determines that the length of data cached in a port sending queue for a second port of the sink device corresponding to the first port exceeds a threshold; and suspending, by the source device, sending of a data packet which needs to be sent to the second port through the first port. Hop-by-hop congestion control for the data packets of nodes in a content centric networking (CNN) is timely and accurately realized.

Abstract: This application provides a PBCH transmission method and an apparatus. The method includes: receiving, by a terminal device, a PBCH sent by a network device, where the PBCH includes seven most significant bits of an SFN of a radio frame in which the PBCH is located; determining, by the terminal device, a least significant bit of the SFN based on indication information of the least significant bit of the SFN; determining, by the terminal device based on the PBCH, a scrambling code of the PBCH, and determining two remaining bits of the SFN based on a one-to-one correspondence between the two remaining bits of the SFN and the scrambling code of the PBCH; and determining, by the terminal device, the SFN of the radio frame in which the PBCH is located.

Abstract: A method of path loss estimation at a user equipment (UE) comprises receiving a downlink cell-specific signal block comprising a synchronization channel and a broadcasting channel demodulation reference signal; receiving control information indicative of a signal transmission power of the downlink cell-specific signal block; and determining an estimated path loss for the UE based at least in part on the signal transmission power of the downlink cell-specific signal block and a received power of the downlink cell-specific signal block filtered using a layer 3 filtering coefficient.

Abstract: A call forwarding method, a terminal, and a portable electronic device, where the method includes determining whether the phone number is in a preset blacklist when a terminal receives a call carrying a phone number, and executing, by the terminal, a preset first call forwarding policy when the blacklist includes the phone number, where the first call forwarding policy includes that the terminal blocks or terminates the call, and does not trigger a server to forward the call to another terminal preset, or executing, by the terminal, a preset second call forwarding policy when the blacklist does not include the phone number, where the terminal presets a call forwarding on busy service or an unconditional call forwarding service.

Abstract: A preamble sequence sending method and apparatus are provided. The method includes sending, by user equipment (UE), a first preamble sequence according to a first transmit power and using a repetition factor N1; if the UE fails to receive, in a preset time period after the first preamble sequence is sent, a response message that is sent by a network-side device and that is corresponding to the first preamble sequence, switching, by the UE, to a next repetition factor N2, where a quantity of consecutive sending times indicated by the next repetition factor N2 is greater than a quantity of consecutive sending times indicated by the repetition factor N1; and sending, by the UE, a second preamble sequence according to a second transmit power and using the next repetition factor N2.

Abstract: A variation of a packet gap between packets sent from a source node and a packet gap between packets received by a destination node is determined; then an intensity of the packet gap variation is determined; and finally whether transmission congestion occurs between the source node and the destination node is determined according to the intensity of the packet gap variation. Therefore, accuracy of identifying a cause of a packet loss is improved, thereby avoiding impact of a transmission bit error.

Abstract: An embodiment of the present invention provides an access method in a wireless communications network. Authentication and authorization functions of a 3GPP AAA server for a non-3GPP access network can be integrated into a mobility management network element. Therefore, after UE accesses the non-3GPP access network, a non-3GPP access gateway may select the mobility management network element that supports the authentication and authorization functions for the non-3GPP access network as a target mobility management network element, and request the target mobility management network element to perform authentication and authorization for the UE. After authentication and authorization are performed for the UE, the non-3GPP access gateway may select a P-GW for the UE, and set up a PDN connection between the non-3GPP access gateway and the selected P-GW for the UE.

Abstract: Embodiments of the present disclosure provide a resource allocation information indication method, a base station, a user equipment, and a system. In technical solutions of the embodiments in accordance with the present disclosure, a base station generates and sends downlink control information that includes public resource allocation indication information to a UE, and the public resource allocation indication information is used to indicate resources allocated to multiple UEs. The UE obtains information about allocated resources according to the public resource allocation indication information. Therefore, a quantity of resources occupied by a resource allocation indicator is reduced, a quantity of resources occupied by entire DCI is reduced, and system signaling overheads are reduced. Particularly, when the method is applied to a short-subframe service scenario, signaling overheads are further reduced and system performance is improved.

Abstract: A data processing apparatus is provided comprising a front-end interface electronically coupled to a main processor. The front-end interface is configured to receive data stored in a repository, in particular an external storage and/or a network, determine whether the data is a single-access data or a multiple-access data by analyzing an access parameter designating the data, route the multiple-access data for processing by the main processor, and route the single-access data for pre-processing by the front-end interface and routing results of the pre-processing to the main processor.

Abstract: A system is provided for creating selective snapshots of a database that is stored as one or more segments, wherein a segment comprises one or more memory pages. The system includes a memory storage comprising instructions and one or more processors in communication with the memory. The one or more processors execute the instructions to determine whether a snapshot process is configured to access a selected segment of the one or more segments, assign a positive mapping status to an accessed segment for which the determining unit has determined that it is accessed by the snapshot process and to assign a negative mapping status to a non-accessed segment, and create a snapshot comprises a step of forking the snapshot process with an address space that comprises a subset of the one or more segments.

Abstract: A terminal upgrade method and a related device are provided. The method includes: encapsulating, by an element management system (EMS), an upgrade version file supported by a type of terminal as a multicast program and storing the multicast program in a multicast server, or sending an upgrade version file supported by a type of terminal to a multicast server; establishing, by the EMS, a version-address mapping relationship; delivering, by the EMS, the version-address mapping relationship to a terminal; and delivering an upgrade start instruction to the terminal, to trigger the terminal to send a multicast program on-demand request to the multicast server, so that the terminal receives the multicast program that is stored in the multicast program storage address of the terminal and sent by the multicast server, and the terminal performs a version upgrade operation according to the received multicast program.

Abstract: The present invention discloses a bearer establishment method, user equipment, and a base station. The method includes: configuring, by user equipment (UE), a bearer for the UE by using a pre-stored configuration parameter, where the pre-stored configuration parameter includes an access stratum (AS) configuration parameter; and sending, by the UE, service data to a base station by using the bearer.

Abstract: This application discloses a resource reconfiguration method, a base station, and a user equipment. The method includes: receiving, by a primary base station, a first message, where the first message is used to request to reconfigure, for a user equipment, a resource corresponding to a secondary base station; and initiating, by the primary base station, reconfiguration of the resource corresponding to the secondary base station for the user equipment. By means of this application, the resource corresponding to the secondary base station can be reconfigured for the user equipment in a case in which the secondary base station does not provide a reconfiguration function.

Abstract: A method, an apparatus, and a system for implementing alarm event handling. The method includes: acquiring, by a first NodeB eNB, alarm event EM information reported by a user terminal UE; sending, by the first eNB, an EM notification that includes the EM information to at least one eNB that needs to be notified of the EM information, so that the at least one eNB sends the EM notification to a UE of the at least one eNB; and sending, by the first eNB, the EM notification that includes the EM information to a UE of the first eNB. By using the method, the apparatus, and the system according to the embodiments of the present invention, a signaling interaction process for alarm event handling in an emergency case is shortened, thereby greatly shortening a communications delay of a cellular network communications system and greatly reducing system load.

Abstract: An operating method of a routing device, a routing device and a terminal device, where the routing device includes a first system and a second system, and the method includes acquiring, by the first system, a first application programming interface (API) call request, where the first API call request is sent by an application program running in the first system, converting, by the first system, the first API call request into a second API call request matching the second system, sending the second API call request to the second system, and executing, by the second system, the second API call request. Hence, difficulty of developing the application program on the routing device can be reduced.

Abstract: A sound field device is disclosed that comprises an elevation cue estimator, a low-frequency filter estimator, and a high-frequency filter estimator. The elevation cue-estimator is configured to estimate an elevation cue of a head-related transfer function (HRTF) of at least one listener. The low-frequency filter estimator is configured to estimate one or more low-frequency filter elements based on the elevation cue. The high-frequency filter estimator is configured to estimate one or more high-frequency filter elements based on the elevation cue. An estimation method of the low-frequency filter estimator is different from an estimation method of the high-frequency filter estimator. The one or more low-frequency filter elements and the one or more high-frequency filter elements are for driving an array of loudspeakers to generate an elevated sound impression at a bright zone.

Abstract: The present disclosure provides example data transmission methods and apparatuses. One example method includes obtaining a radio signal by using an input port. Based on a correspondence between an input port and a bearer channel, a bearer channel corresponding to the radio signal is determined. Code Division Multiple Access (CDMA) modulation and carrier modulation on the radio signal are performed according to a codeword and a frequency sub-band corresponding to the bearer channel, to obtain a modulated electrical signal. The modulated electrical signal is then modulated to an optical wavelength corresponding to the bearer channel to obtain a modulated optical signal, and the modulated optical signal is sent to an optical network.

Abstract: A common information transmission method and an apparatus relate to the communications field, and to reduce repeated sending of common information from a base station to a plurality of user equipments (UEs) during sending of the common information, and improve utilization of resources between the base station and the UEs. The method includes obtaining, by UE, frequency domain location information of a first transmission bandwidth, determining, by the UE, a size and a location of the first transmission bandwidth in a bandwidth of the UE according to the frequency domain location information, where the bandwidth of the UE is one of system bandwidths, and receiving, by the UE over the first transmission bandwidth according to the size and the location of the first transmission bandwidth, common information sent by a base station.

Abstract: The invention provides a method and a communications device for transmitting information. The method includes: determining a quantity N of padding bits according to a quantity M of effective information bits included in a code block and a quantity L of effective input ports of a polar code encoder, where M and L are positive integers, and N is a difference between L and M; determining input bits that are to be input into the polar code encoder, where the input bits include the M effective information bits and the N padding bits; inputting, according to a mapping relationship between the L effective input ports and the input bits, the input bits into the polar code encoder through the L effective input ports to perform coding, so as to obtain coded bits; and transmitting the coded bits. This bit-padding manner has ensured successful information transmission.

Abstract: Embodiments of the disclosure relate to a forwarding entry establishment method for a VXLAN. A data center of the VXLAN includes a first layer 3 gateway device, a second layer 3 gateway device, and a first layer 2 gateway device separately connected to the first layer 3 gateway device and the second layer 3 gateway device. The first layer 2 gateway device is connected to a first host. The method includes: establishing, by the first layer 3 gateway device by using an exclusive IP address, an exclusive MAC address, and an exclusive VTEP identifier, a forwarding entry used for communication with the first host. In the embodiments of the disclosure, when one host directly communicates with a plurality of layer 3 gateway devices, a forwarding entry used for communication between the layer 3 gateway devices and the host is correctly established.