Abstract: The present invention discloses a method for performing a frame erasure concealment to a higher-band signal, including: calculating a periodic intensity of a higher-band signal with respect to a lower-band signal; judging whether the periodic intensity of the higher-band signal is higher than or equal to a preconfigured threshold; if the periodic intensity of the higher-band signal is higher than or equal to the preconfigured threshold, using a pitch period repetition method to perform the frame erasure concealment to the higher-band signal of a current lost frame; and if the periodic intensity of the higher-band signal is lower than the preconfigured threshold, using a previous frame data repetition method to perform the frame erasure concealment to the higher-band signal of the current lost frame. The present invention further discloses a device for performing a frame erasure concealment to a higher-band signal and a speech decoder. The problem that the quality of the voice signal is lowered is avoided.

Abstract: An charging method for group mode service relating to the group mode service in communication networks is disclosed, the method includes: sending, an initial accounting request to a charging system in response to receiving a service request for establishing a group session from a client, to enable the charging system account at an initial rate; and initiating an interim accounting request to the charging system to enable the charging system account at a rate corresponding to the current group scale in response to detecting that group scale is changed according to a preset threshold for the number of group users. The present invention also provides the corresponding application server, charging apparatus and group mode service's underlying system. By using the present invention to charge the group mode service, the charging interaction between the application server and the charging system is substantially reduced, and the network system resource consumed is reduced.

Abstract: A multi-queue flow control method, a multi-queue flow control system, and a multi-queue flow control apparatus, applicable to a full-duplex Ethernet, are suitable for customizing a flow control frame reflecting buffer statuses of a plurality of queues. A receiving device informs a current buffer status of each queue of itself to a sending device by sending a flow control frame to the sending device, and the sending device stops sending data frames to an overflowing queue according to the flow control frame. Therefore, the multi-queue flow control in the full-duplex Ethernet is realized.

Abstract: A method for quantizing vector. The method includes: performing a quantization process on a vector to be quantized by use of N basic codebook vectors and the adjustment vectors of each of the basic codebook vectors, generating a basic codebook vector and an adjustment vector used for quantizing the vectors to be quantized, N being a positive integer larger than or equal to 1. According to the present invention, based on the method a device for quantizing vector is disclosed. According to embodiments of the present invention, the quantization of an input vector is done by introducing the modification vectors for the base codebook vectors, therefore the memory amount of the base codebook vectors is reduced effectively, and the calculation amount is merely the calculation amount required for going through N codebooks. Therefore, the complexity of the vector quantization could be decreased effectively.

Abstract: The present invention discloses a double-width Advanced Mezzanine Card, comprising a functional circuit, a first Tongue, and a second Tongue; both the first and second Tongues have interfaces that are connected to the functional circuit. The present invention further discloses a communication system with an Advanced Mezzanine Card, wherein a backplane has a slot that can accommodate two single-width AMCs or one double-width AMC; a double-width AMC having a first Tongue and a second Tongue is plugged in the slot; both the first and second Tongues have backplane interfaces, and the backplane interfaces are connected to the corresponding backplane interfaces on the slot.

Abstract: The invention discloses a method for network service authentication. The method includes: an AAA server receiving a network service authentication request which contains a user access device identifier; the AAA server determining whether the user is allowed to use the requested network service according to the user access device identifier and a preset correspondence between user access device identifier(s) and network service(s). The invention also discloses an apparatus and system for network service authentication. Based on the invention, a user's right to use the network service may be authenticated according to the user access device.

Abstract: A method for establishing a hierarchical network with Backbone Provider Bridges includes: dividing the network into a plurality of layers, and partitioning each layer into at least one domain; each domain assigning a service tag for itself; a local domain sending a mapping request including a user type ID to a further domain in the same layer; the further domain in the same layer returning a service tag corresponding to the user type ID to the local domain; the local domain establishing and saving a mapping relationship; and edge devices of each domain learning MAC addresses. Further, a system and device having the same are also provided in the disclosure.

Abstract: A system and method for video coding include an encoder and decoder. The encoder/decoder respectively include a base layer encoding/decoding apparatus, at least one enhancement layer encoding/decoding apparatus, and an encoder/decoder drift control apparatus. The encoder drift control apparatus is configured to determine the amount of local error drift for the encoder according to local information of the base layer encoding apparatus and the enhancement layer encoding apparatus and control the value of an encoder leaky factor according to the amount of error drift. The decoder drift control apparatus is configured to determine the amount of local error drift for the decoder according to local information of the base layer decoding apparatus and the enhancement layer decoding apparatus and control a decoder leaky factor according to the amount of error drift.

Abstract: The present invention provides a method, a system, and node apparatus for reserving network resources. The method includes: obtaining a logic transport network identifier of a logic transport network carried in a resource reserve request; and reserving link resources for the logic transport network corresponding to the logic transport network identifier. The node apparatus mainly includes a first module and a second module. Embodiments of the present invention can classify and manage the resources of the physical transport network fast and flexibly, which significantly improves the resource allocation speed of the physical transport network.

Abstract: The present invention provides a method and system for optimizing call anchoring in VCC, a VCC anchoring optimization function entity, and a routing control entity, with a view to correlating the call anchoring with the processing of a service potentially influential in anchoring a call. The method includes: the VAO function entity perceives the service information of a called party; and the VAO function entity optimizes the call anchoring when determining that the service subscribed to by the called party may affect anchoring of the current call. The present invention enables correlation between the call anchoring and the processing of the service influential in anchoring the call, and optimizes the call anchoring.

Abstract: An apparatus, system and method for implementing mobile communication are described. The apparatus includes: a transmitter, a receiver, a duplexer, and an antenna. The apparatus further includes: an uplink data processing module, configured to process data transmitted from a terminal to a base station and received by the receiver, and transmit the processed data to the transmitter; a downlink data processing module, configured to process data transmitted from a base station to a terminal and received by the receiver, and transmit the processed data to the transmitter, the downlink data processing module sharing the transmitter and the receiver with the uplink data processing module in a time-division manner; and a control processor, configured to control the transmitter, the receiver, the uplink data processing module, and the downlink data processing module.

Abstract: A method, an apparatus and a system for obtaining a Media Independent Handover (MIH) service information. The method including: receiving an MIH service information request message from a mobile node; obtaining the MIH service information requested by the mobile node; and sending a response message to the mobile node, with the obtained MIH service information carried in the response message.

Abstract: A protecting method for data signal transmission includes that the source node transfers the same data signal along each path between the source node and the destination node; in at least one path, the data signal is copied to multipath data signals at least one time, and one path data signal of the copied multipath data signals is transferred along the path continuatively, and the other copied multipath data signals are transferred to other paths respectively, therein the path at which multipath data signals would arrive selects one path data signal to receive and transfer; the destination node receives one path data signal from at least one path.

Abstract: A method for performing a frame erasure concealment for a higher-band signal involves calculating a periodic intensity of the higher-band signal with respect to pitch period information of a lower-band signal; comparing the periodic intensity to a preconfigured threshold and, if the periodic intensity is greater or equal to the preconfigured threshold, performing the frame erasure concealment with a pitch period repetition based method. If the periodic intensity is less than the preconfigured threshold, performing the frame erasure concealment with a previous frame data repetition based method. A device for performing a frame erasure concealment includes a periodic intensity calculation module, a pitch period repetition module, and a previous frame data repetition module.

Abstract: The present invention discloses a method, a terminal, a device, and a system for obtaining ID information of an application service to solve the problem of the prior art that a terminal cannot automatically obtain the ID information of a target application service. In the invention, a first device sends an ID request to a second device, and the second device returns the ID information of the target application service to the first device. By the technical solution of the invention, a terminal which acts as the first device may automatically obtain the ID information of the target application service, and the user experience satisfaction is improved.

Abstract: The present invention discloses a method for performing a frame erasure concealment to a higher-band signal, including: calculating a periodic intensity of a higher-band signal with respect to a lower-band signal; judging whether the periodic intensity of the higher-band signal is higher than or equal to a preconfigured threshold; if the periodic intensity of the higher-band signal is higher than or equal to the preconfigured threshold, using a pitch period repetition method to perform the frame erasure concealment to the higher-band signal of a current lost frame; and if the periodic intensity of the higher-band signal is lower than the preconfigured threshold, using a previous frame data repetition method to perform the frame erasure concealment to the higher-band signal of the current lost frame. The present invention further discloses a device for performing a frame erasure concealment to a higher-band signal and a speech decoder. The problem that the quality of the voice signal is lowered is avoided.

Abstract: A method for processing data through a system for accessing and transmitting different data frames in a digital transmission network includes the following steps: the virtual interface device classifying the data frames, and the virtual interface device outputting the data frames to device interfaces. The system includes a user-network interface (UNI), which is used to connect to a user's network, a network-network interface (NNI), which is used to connect to said digital transmission network to transfer data, a mapping/demapping device, a virtual interface device, which couples with the UNI and couples with the NNI via the mapping/demapping device, and a control device, which couples with the virtual interface device to control it to access and transmit the data frames.

Abstract: A system accessing and transmitting different data frames in a digital transmission network for accessing and transmitting different data frames, including: at least a user-network interface (UNI), which is used to couple with the user's network; at least a network-network interface (NNI), which is used to couple with the digital transmission network to transfer data; a data converting device, which is coupled with the UNIs and the NNIs to convert data formats between the UNIs, data formats between the NNIs, or data formats between the NNIs and the UNIs; wherein the data converting device includes a virtual interface device, the virtual interface device includes: at least two device interfaces, a virtual interface processing unit, a rule database, a control interface unit and an inter-device interface, so as to improve access ability of the device.

Abstract: A method for handoff between cells in a communication system includes the network sends a cell individual offset preset for a cell in the active set relative to each of its neighboring cells respectively to a terminal; after measuring the cell in the active set and its neighboring cells, the terminal evaluates the measurement in accordance with the measurement result and the cell individual offset for the cell in the active set relative to its each neighboring cell; the terminal then submits a measurement report to the network in accordance with the measurement evaluation result; the network instructs the terminal to perform a handoff between cells in accordance with the measurement report. The invention also discloses a network controller and a terminal corresponding to the method. With the invention, the cell individual offset for a cell is set relative to its each neighboring cell so that the handoff between cells can be more accurate. As a result, user of the terminal can obtain better experience.

Abstract: A method, apparatus and system for multimedia model retrieval are provided. The method includes: obtaining parameters of a multimedia model to be retrieved; performing a projection on the multimedia model according to the parameters of the multimedia model so as to obtain a projection image; performing a feature extraction on the projection image; matching a feature extraction result with stored model multimedia file information to obtain a retrieval result; training a support vector machine (SVM) with the multimedia model labeled by a user upon the retrieval result as a training sample set, performing a probability-based classification on the multimedia model by the SVM, and updating the retrieval result with a classification result. The system of the present invention illustrated by embodiments achieves favorable applicability and robustness, so that users may perform a rapid and precise retrieval on massive model data in these fields.