Abstract: Embodiments of the present disclosure provide a method for allocating an external network IP address in NAT traversal, and a device and a system. The method includes: receiving a request message sent by a client and is for establishing a NAT mapping entry corresponding to a connection, where the request message includes a designated external network IP address, and the external network IP address is the same as an external network IP address in a NAT mapping entry corresponding to any connection already established by a same application; and when the NAT mapping entry is established according to the received request message, allocating, according to the designated external network IP address in the request message, an IP address which is the same as the designated external network IP address and used as an external network IP address of the NAT mapping entry to be established.

Abstract: A data deleting method and apparatus is provided in embodiments of this application. The method comprises: when a file system detects a delete request for a target file, examining a security property of the target file, wherein the security property of a file comprises secret classified property; if the security property of the target file is secret classified property, executing an overwrite operation on the target file and then executing a delete operation to delete the target file; wherein the overwrite operation comprises sending a write command to a SSD, the write command being a predefined write command which is expanded by adding an immediate scrubbing flag, to cause the SSD to invoke a backstage garbage collection program according to the predefined write command to immediately delete data on garbage blocks corresponding to logical block addresses of the target file.

Abstract: The present invention relates to the field of communication technologies and discloses a method, an apparatus, and a system for active-standby switchover. The method includes: copying at least one packet group to a standby board; recording the copied packet group and generating a transmission rule chain table of an active board according to a sequence of copying, so that the standby board generates a transmission rule chain table of the standby board which is the same as the active transmission rule chain according to the sequence of copying; and transmitting the packet group according to the sequence of the transmission rule chain table of the active board. By using the method, resuming transmission from a breakpoint upon an active-standby switchover is enabled.

Abstract: A method for user detachment when a handover or change occurs in a heterogeneous network is provided. The method includes: a user equipment (UE) is handed over or switched from a source network to a target network; a network element on a network side determines whether to detach the UE from the source network, and if yes, the network element on the network side detaches the UE from the source network. A system and a device for user detachment when a handover or change occurs in a heterogeneous network, and another method for user detachment when a handover or change occurs in a heterogeneous network are also provided.

Abstract: A method of bearer deletion is provided to improve the universality of the bearer deletion process. The method includes: receiving, by the original intermediate NE, the cancellation type indication parameter sent by the HSS, and deleting the bearer between the serving gateway (S-GW) and a packet data network gateway (P-GW), if the original intermediate network element obtains an attach type according to the cancellation type indication parameter indicating an attach type and a corresponding bearer exists on the original intermediate NE. This method helps efficiently improve the universality of the bearer deletion flow.

Abstract: The invention pertains to wireless service provision comprising reception or transmission of wireless signals from/to a communications system not (yet) available for public communications in an environment providing telecommunications services of another communications system. An example embodiment of the invention explores and implements triggering of a user equipment to perform test or measurement of a target network from an originating network, whereas the user equipment triggers establishment of a communications channel in the target network, the target network providing test signals to the user equipment.

Abstract: A method, apparatus and system for negotiating the BFD session discriminator of the PW are disclosed. The method includes: a second equipment receives a negotiation message from a first equipment, where the message carries the BFD capability of VCCV of the PW at the first equipment and the BFD discriminator; and then sends to the first equipment a message which carries the BFD capability of the VCCV of the PW at the second equipment and the BFD discriminator allocated to the PW after obtaining the BFD capability and BFD discriminator from the first equipment if the local PW supports the BFD capability; or, sends to the first equipment a message which carries information indicating that the local PW does not support the BFD capability if the local PW does not support the BFD capability. Through this method, the process of negotiating the BFD session discriminator is simplified.

Abstract: A method for recovering description information, or a method for caching data in a database, includes: judging whether a database is closed normally after the last operation; if the database is not closed normally, traversing each data block in a level-2 cache, where corresponding disk location information is saved in a header of each data block; obtaining a data block in a disk according to the disk location information; and when the obtained data block in the disk is the same as a corresponding data block in the level-2 cache, establishing description information according to location information of the data block in the disk and location information of the data block in the level-2 cache, where the description information is used to describe correspondence between the location information of data in the disk and the location information of data in the level-2 cache.

Abstract: A method, a base station (BS), and a user terminal for implementing uplink resource indication are provided. The method includes: carrying an uplink resource index in a ul grant, in which the uplink resource index is corresponding to at least one uplink resource in terms of indication; and sending the ul grant. The BS includes an index carrying module and an instruction sending module. The user terminal includes an instruction receiving module, an instruction resolving module, and an execution module.

Abstract: The present invention relates to the communication field and discloses a method and an apparatus for implementing pulse synchronization, so that the control on a single-chip multi-channel device can be simplified. A method for implementing pulse synchronization includes: when a cycle count value corresponding to a reference symbol port of the multiple ports reaches a length of a predetermined pulse cycle, obtaining, by a microprocessor, cycle count values corresponding to the multiple ports; obtaining lengths of temporary synchronization cycles of the multiple ports according to the length of the predetermined pulse cycle and the cycle count values corresponding to the multiple ports; and sending the lengths of the temporary synchronization cycles to logic circuits corresponding to the multiple ports. Embodiments of the present invention are mainly applied in communication systems to output pulse symbols synchronously.

Abstract: A method and a system for implementing MBMS. According to embodiments of the present invention, the MBMS are born on different multimedia broadcast multicast bearers; each multimedia broadcast multicast bearers corresponds to a multimedia broadcast multicast area; an association relationship between the different multimedia broadcast multicast bearers of MBMS of a same type is set at a network side; when the UE switches between different multimedia broadcast multicast areas, the network side provides the UE with the multimedia broadcast multicast bearer of the multimedia broadcast multicast area where the UE is located currently according to the association relationship between the multimedia broadcast multicast bearers corresponding to the MBMS request by the UE. The method and the system in accordance with the present invention can support MBMS better.

Abstract: Management of resources on a shared network element is provided to enhance security of user information of the operators having access to the network element. An operation management command is received from a user for operating a resource on a shared network element. According to the operation management command, an operator attribute of the resource to be operated and an operator attribute of the user are acquired. In instances where the operator attribute of the user is consistent with the operator attribute of the resource to be operated, an operating action corresponding to the operation management command is performed.

Abstract: A method and a user equipment for controlling multiple communication systems to implement communication are disclosed. The method includes: when a long term evolution LTE system module in a UE is about to enter a discontinuous reception DRX sleep state or to temporarily stop data transmission, sending, by the LTE system module, first indication information to another system module in the UE, where the first indication information is used for indicating, to the other system module, that the LTE system module enters the DRX sleep state and at least part of time during which the LTE system module is in the DRX sleep state, or the first indication information is used for indicating that the other system module is capable of performing data transmission and time during which the other system module is capable of performing data transmission.

Abstract: The present invention provides a method, a device, and a base station for resource coordination processing, and a user equipment, where the method for resource coordination processing includes: determining an avoided uplink resource, where the avoided uplink resource is an uplink resource which is set between a local cell and a neighboring cell and used to instruct the neighboring cell to perform interference avoidance or shared resource coordination; and scheduling the user equipment according to the avoided uplink resource. The method and device can implement resource coordination and scheduling between neighboring cells, and effectively avoid interference between neighboring cells.

Abstract: Embodiments of the present disclosure provide a communication method, a base station and a user equipment. The communication method includes: sending, by a base station, a random access response message to a user equipment UE, where the random access response message includes a timing advance command, and a value TA of the timing advance command is NTA/(N*Ts), where, the NTA indicates the amount of the time alignment the UE, the N*Ts indicates a unit granularity for the UE to perform time alignment, the N is greater than 16, and the Ts indicates the smallest time unit. In the present disclosure, the unit granularity for the UE to perform time alignment may be enlarged, so that the UE can use a larger amount of the time alignment when performing the time alignment, thereby supporting the coverage of a cell with a long distance.

Abstract: Image encoding and decoding methods and related devices are provided. An image encoding and decoding method includes: for a sub-image block obtained by partitioning an image block, determining at least two position parameters, in which the at least two position parameters include a first position parameter and a second position parameter, the first position parameter identifies whether the sub-image block is a rectangle or not a rectangle, and the second position parameter identifies endpoint information of the sub-image block; determining an encoding sequence of the first position parameter and the second position parameter according to a partition manner of the image block; and encoding the at least two position parameters according to the determined encoding sequence.

Abstract: The embodiment of the current invention provides a higher-order modulation method and device for a user equipment in a cell forward channel state, the method comprising: obtaining cell capability reported by a base station; determining whether to deploy a higher-order modulation for the user equipment in the cell forward access channel state according to the cell capability and a current configuration policy configured by the wireless network controller; separately sending a higher-order modulation activation indication to the base station and the user equipment if it is determined to deploy the higher-order modulation for user equipment in the cell forward channel state. The method and device of the embodiment increase the peak rate of the user equipment in the cell forward channel state via introducing higher-order modulation to the cell forward channel state, and provide guarantee for additional subsequent service bearers in the cell forward channel state.

Abstract: A scanning method and device, and a reverse scanning method and device in coding and decoding technologies are provided. The scanning method includes: receiving quantized transformed coefficients of a current block; obtaining a prediction direction of the current block; finding, according to the prediction direction, a scanning order corresponding to the prediction direction of the current block from a mapping relationship table of the prediction direction and the scanning order, wherein at least one scanning order in the mapping relationship table of the prediction direction and the scanning order corresponds to at least two prediction directions; and performing scanning processing on the coefficients by using the scanning order corresponding to the prediction direction of the current block. With the solutions of the present invention, the number of the scanning orders used in coding and decoding is decreased, and system complexity of a codec system is reduced.

Abstract: Embodiments of the present invention disclose data feedback methods and related apparatuses. This enables a beamformer to adjust the communication status according to related channel information about a beamformee no matter whether the number of actual active antennas of the beamformee is larger than or equal to the number of columns set by the beamformer in an NDPA message. The data feedback method according to the embodiments of the present invention includes: acquiring, by the beamformee, the number of columns from the NDPA message; detecting the number of active first spatial streams; comparing the number of first spatial streams with the number of columns, and taking the smaller value obtained from the comparison as the number of second spatial streams required for feedback; and feeding back the number of second spatial streams and spatial stream measurement information about the second spatial streams to the beamformer.

Abstract: A method for paging access terminals. The method includes: a network entity sends a paging message to a target AN. The paging message carries the information required for calculating the time when the AT wakes to monitor the paging message. The information includes the absolute time that is determined according to the time when the AT previously shifts from the connected state to the idle state. Upon receipt of the paging message, the target AN determines when to send the paging message to the AT according to the information carried in the paging message. The present embodiments also disclose a system and apparatus for paging access terminals. The apparatus is a network entity that sends the paging message. The method, system and apparatus can be used to determine the time when the AT wakes to monitor the paging message, thus ensuring that the AT paging is not missed.