Abstract: An optical filter and a light splitter includes a beam incidence portion, a programmable Micro Electro-Mechanical System (MEMS) grating, a beam receiving portion, and a drive and control module. Relative positions of the beam incidence portion, the programmable MEMS grating, and the beam receiving portion are fixed and are configured so that the beam receiving portion is located in an emergence direction of the multi-wavelength beam after the multi-wavelength beam is incident onto the programmable MEMS grating from the beam incidence portion so that the beam receiving portion is capable of receiving a beam with a specific wavelength. The optical filter is capable of freely and conveniently selecting the beams with a specific wavelength, and meanwhile, the optical filter has the advantages of a small size, and being easily controlled and integrated.

Abstract: The embodiments of the present disclosure provide a method and an apparatus for authentication in a Passive Optical Network (PON), and a PON. The method includes: receiving, by an Optical Network Unit/Optical Network Terminal (ONU/ONT), a first negotiation message sent by an Optical Line Terminal (OLT), and authenticating the OLT according to a logic registration ID of the OLT; sending, by the ONU/ONT, a second negotiation message to the OLT, the logic registration ID of the ONU/ONT is used to enable the OLT to authenticate the ONU/ONT according to a logic registration ID of the ONU/ONT, and allocates a terminal identifier for the ONU/ONT after the authentication succeeds. In the embodiments of the present disclosure, the OLT and the ONU/ONT are authenticated through the logic registration IDs, thus eliminating security threats in the authentication process.

Abstract: A dynamic spectrum allocation method and device are provided. The method includes: finding non-idle frequency bands in the coverage of a communication device according to information in a database; selecting a frequency band from the non-idle frequency bands as a negotiation frequency band, and sending a spectrum assignment request to an interfering device using the negotiation frequency band; and acquiring usage assignment of the interfering device, in which the usage assignment is a response to the spectrum assignment request. The technical solutions can effectively allocate dynamic spectrum resources to a communication device, and are simple to implement.

Abstract: An embodiment of the present disclosure provides a method for data acquisition. The method includes the following steps: transmitting a request message for acquiring line parameters to a central-office end access apparatus, and obtaining a time parameter T1 when the line parameter acquisition is started; receiving line parameter information reported by the central-office end access apparatus, and obtaining a time parameter T2 of a line; and comparing the time parameter T1 with the time parameter T2 of the line, and saving the received line parameter information if the time parameter T1 is larger than the time parameter T2 of the line. Embodiments of the present disclosure further provide an apparatus and a system for data acquisition.

Abstract: A method, a network management center, and a related device. The method includes: obtaining a virtual network policy group, a physical network policy group, and a media access control (MAC) address of a virtual port; associating the virtual network policy group, the physical network policy group, and the MAC address of the virtual port to form a virtual port policy association table; and selecting a physical network policy group corresponding to the MAC address from the virtual port policy association table, and delivering the physical network policy group to a physical switch. When a virtual machine (VM) on the server is migrated, the method may be used to migrate the network policy for the virtual port on a real-time basis. Therefore, the real-time effect of services provided by the VM is improved in the virtualization process of the server.

Abstract: A method and an apparatus for negotiation control of Quality of Service (QoS) parameters are provided. The method includes: obtaining, by a High Rate Packet Data (HRPD) Serving Gateway (HSGW), static QoS parameters of a User Equipment (UE), where the static QoS parameters include static QoS parameters related to an Access Point Name (APN); establishing, by the HSGW, a Packet Data Network (PDN) connection corresponding to the APN with the UE; and sending, by the HSGW, static QoS parameters related to the APN corresponding to the PDN to an access network to enable the access network to perform QoS authorization, according to the static QoS parameters related to the APN corresponding to the PDN, for establishing an air interface bearer for the UE.

Abstract: A method for transmitting information includes by a NodeB, receiving a message for setting up/reconfiguring a shared Enhanced Dedicated Channel (E-DCH) transmission channel from a Radio Network Controller (RNC); and setting up the shared E-DCH transmission channel according to parameters in the message, and exchanging information with the RNC through an established shared E-DCH transmission bearer.

Abstract: A delay module, includes a first delay unit, a second delay unit and an inverter. Each of the first and second delay units includes: a logic gate for gating and a logic gate for delaying. The input port of the logic gate for gating of the first delay unit is electrically connected to the output port of the inverter; the output port of the logic gate for delaying of the first delay unit is electrically connected to the input port of the logic gate for delaying of the second delay unit; the input port of the inverter is electrically connected to the input port of the logic gate for gating of the second delay unit; the input port of the inverter is adapted to input a clock signal to be delayed, and the logic gate for delaying of the second delay unit is adapted to output a delayed clock signal.

Abstract: A system for storing and broadcasting PoC sessions includes: a message storing module, adapted to receive a media stream in a session, into the media stream into a pattern storable by the message storing module, and store the media stream to the message storing module; read the message from the message storing module, convert the message into a media stream, and send the media stream for participating in the session; and a gateway transfer module. A method and an apparatus for storing and broadcasting PoC sessions are also provided. The present invention enables storing and broadcasting of PoC sessions at lower cost.

Abstract: The embodiments of the invention provide a method of routing convergence in a control plane of an intelligent optical network, which includes: a function unit perceiving a service link state transmitting an alarm notification message indicating a failure in a service link to a routing protocol unit when the service link is in failure; the routing protocol unit confirming a service link failure in the control plane according to the alarm notification message. The embodiments of the invention also provide an apparatus of routing convergence in a control plane of an intelligent optical network. According to the embodiments of the invention, the establishment of a new service or re-routing may be implemented within several seconds or even hundreds of milliseconds after the service link failure in the control plane occurs.

Abstract: A method for an Access Terminal (AT) in a 1x network to establish an High Rate Packet Data (HRPD) network packet data service includes: initiating, by the AT, a session establishment request to a target Access Network/Packet Control Function (AN/PCF) of an HRPD network; establishing, by the target AN/PCF, an HRPD session with the AT after obtaining session information of an existing HRPD session; performing, by the target AN/PCF and the AT, session configuration based on the obtained session information, and establishing a data connection for the packet data service. In the present invention, an AT in the 1x network can establish a packet data service with an HRPD network when there is an existing packet data session in the HRPD network. The present invention is advantageous for seamless service handoff between the 1x network and the HRPD network, thereby realizing complement of the two networks and improving user experience.

Abstract: A method, device and system for signal encoding and decoding, the method comprising: encoding a core layer signal to obtain a core layer signal code; selecting an enhancement sample point that requires enhancement layer signal encoding according to the core layer signal code and the number of bits that can be used by an enhancement layer; obtaining an enhancement layer signal code of the enhancement sample point; and outputting a bit stream, where the bit stream includes the core layer signal code and the enhancement layer signal code. In embodiments of the present invention, according to the number of bits that can be used by the enhancement layer, the enhancement sample point that requires enhancement layer signal encoding is selected; the enhancement layer signal of the selected enhancement sample point is encoded and decoded; when no sufficient bits are available for the enhancement layer, the enhancement quality of the core layer can be improved.

Abstract: The present invention relates to a method for improving synchronization and information transmission in a communication system, including: generating a signal with a time symmetric property based on a uniquely identifiable sequence c(l) from a set of sequences, sending the signal over a communication channel, receiving the signal, calculating and storing a correlation, finding the delay that result in a maximum correlation magnitude, detecting the unique sequence c(l) from the set of sequences. The method is distinguished by: generating the signal with a centrally symmetric part, s(k), the centrally symmetric part s(k) being symmetric in the shape of the absolute value thereof, storing the reverse differential correlation D(p) from a block of N received signal samples r(k), k=0, 1, . . . , N?1. The present invention also relates to a transmitter unit and a receiver unit of a communication system, and a radio communication system.

Abstract: The present invention relates to communication field, and discloses a mobile communication method. As can be seen from various embodiments, in the process of the access entity performing a location update for the UE or performing a UE access procedure, when the UE needs to be paged, the UE is paged in the paging area administered by the access entity and it is prohibited to page the UE in the paging area administered by the access entity in the other network.

Abstract: A transmission timing interval (TTI) adjusting method is provided according to the embodiments of the present invention. Use condition of a system resource is obtained and it is judged whether a user meets a TTI adjusting requirement according to a current TTI of the user and the obtained use condition of the system resource. TTI adjustment is performed on all or a part of the users meeting the TTI adjusting requirement.

Abstract: A voice activity detection method and apparatus, and an electronic device are provided. The method includes: obtaining a time domain parameter and a frequency domain parameter from an audio frame; obtaining a first distance between the time domain parameter and a long-term slip mean of the time domain parameter in a history background noise frame, and obtaining a second distance between the frequency domain parameter and a long-term slip mean of the frequency domain parameter in the history background noise frame; and judging whether the audio frame is a foreground voice frame or a background noise frame according to the first distance, the second distance and a set of decision inequalities based on the first distance and the second distance. The above technical solutions enable the judgment criterion to have an adaptive adjustment capability, thus improving the performance of the voice activity detection.

Abstract: Method, apparatus and system for radio resource scheduling are provided. In a case that two or more absolute grant (AG) tables exist, a base station obtains an indication sent by a base station control node for indicating which AG table among the two or more AG tables is used by the base station. The AG table used by the base station as indicated in the indication is the same as an AG table used by a User Equipment (UE). The base station performs High Speed Uplink Packet Access (HSUPA) radio resource scheduling for the UE according to the received indication sent by the base station control node.

Abstract: The present application discloses a method for implementing an intelligent service and a communications system and relates to the communications technology field, so that an intelligent service may be performed in a wireless intelligent network (WIN). The method includes: a home mobile switch center (MSC) receives a call routed by a serving MSC, where the call carries a WIN configuration parameter that a home home location register (HLR) delivers to the serving MSC; after determining, according to the WIN configuration parameter of the serving MSC, that the call is a WIN OVERLAY call, the home MSC obtains an intelligent service parameter through a home first network entity; the home MSC implements WIN intelligent service processing according to the intelligent service parameter. The embodiments of the present invention are mainly applied in a WIN.

Abstract: Embodiments of the present disclosure disclose an optical cable and an optical cable system, where the optical cable includes an SZ-shaped optical cable skeleton and a plurality of optical fiber units. Skeleton slots is recessed in a periphery of the optical cable skeleton, and the plurality of optical fiber units is grouped and respectively disposed in the corresponding skeleton slots, thereby having the advantages of being easy to strip and draw, high reliability, and long lifetime. Moreover, the optical fiber does not need to be connected when being diverged on floors during installation, thereby reducing the fusion splicing/termination connection time, simplifying the optical cable wiring, greatly reducing deployment cost of an Optical Distribution Network (ODN), and speeding up the scale deployment of the FTTX ODN; in addition, interference among the optical fibers is avoided when the optical fibers are drawn, thereby increasing reliability of the optical fibers after installation.

Abstract: A control channel mapping method is provided, which includes: determining a search space corresponding to each object for a same aggregation level, where more than one object exist and are determined according to a component carrier; and mapping a control channel corresponding to the object into the determined search space. A detection method is further provided, which includes: determining an initial location of a search space corresponding to the object, where more than one search space exist for the same aggregation level, and the object is determined according to a component carrier, and determining a size of the search space corresponding to the object; and detecting a control channel in the determined search space. A User Equipment (UE) and a network equipment are also provided. Therefore, the collision of control channels is reduced, and an impact probability of control channels is reduced.