Abstract: Disclosed is a data transmission method. When it is determined that a transmitting end device and a receiving end device both support a link binding capability, a binding group is established; when data is selected to be transmitted by a binding link in the binding group, the data to be transmitted is encapsulated according to a binding data format and is transmitted through the binding link; and when data is selected to be transmitted by a non-binding link, the data to be transmitted is encapsulated according to a common data format and is transmitted through the non-binding link. Also disclosed are a data transmission apparatus and a computer storage medium.

Abstract: The embodiment of the present document relates to an idle scheduling method and a home network node, wherein the method includes: a domain master node performing an idle scheduling on intra-domain ordinary nodes according to an idle scheduling policy; when the domain master node determines that all the intra-domain ordinary nodes are in a energy-saving mode according to the idle scheduling information of all the intra-domain ordinary nodes, the domain master node entering into the energy-saving mode, and when all the intra-domain ordinary nodes are in an idle state, the domain master node being in the idle state.

Abstract: A data transmission method, multi-medium access point and multi-medium client are disclosed. The method includes: a multi-medium access point (AP) acquiring a current wireless local area network (WLAN) operating mode of an opposite end multi-medium client (Client) from the opposite end multi-medium Client; and the multi-medium AP comparing an address of a target device to which a data packet to be sent is sent with an address of the opposite end multi-medium Client, if they are different, judging whether both a current WLAN operating mode of the multi-medium AP and the current WLAN operating mode of the opposite end multi-medium Client are three-address modes or not, and if yes, determining that the data packet to be sent is prohibited from being sent through a wireless fidelity (WiFi) interface of the multi-medium AP.

Abstract: Provided are a method and device for supplying power to an access device. The method includes: detecting one or more user terminals connected with the access device; and determining one or more user terminals for supplying power to the access device according to a current service state of each of the one or more user terminals connected with the access device. By adopting the technical solution according to the embodiments of the disclosure, the problem in the related art, that as it is impossible to supply power to an access device according to the current service state of each of a plurality of user terminals connected with the access device, the equality of the user terminals in power supply is influenced, is solved, thus guaranteeing the equality of each user terminal connected with the access device in supplying power to the access device.

Abstract: A method for a node device to enter or exit a power-saving mode and a node device are disclosed. The method for a node device to enter a power-saving mode includes: the node device detecting characteristics of a reverse power supply signal provided by a customer premise equipment, and if a condition of entering a power-saving mode is satisfied, the node device entering the power-saving mode. The method for a node device to exit a power-saving mode includes: the node device in a power-saving mode exiting the power-saving mode after detecting that a customer premise equipment starts reverse power supply to the node device. The node device includes a reverse power supply unit, a power source unit, a control unit, and a transceiver unit.

Abstract: The disclosure provides a method for quickly updating ranging results of optical network units by an optical line terminal. The method comprises the following steps: an Optical Line Terminal (OLT) distributes an acquired ranging difference to all the Optical Network Units (ONUs); and the current ONU implements quick updating of the ranging result of the current ONU itself according to the acquired ranging difference. The disclosure also provides a system for quickly updating ranging results of ONUs by an OLT, wherein a distributing unit in the OLT is used for distributing an acquired ranging difference to all the ONUs; an updating unit in the ONU is used for implementing quick updating of ranging result of the current ONU itself according to the acquired ranging difference. the method and system of the disclosure can save the quantity of messages, enable quick switching in protection status, thus implementing protection switching efficiently.

Abstract: A method for displaying an image on a terminal, includes: acquiring current posture information of the terminal; selecting, according to the current posture information, a target area in a preset image as a wallpaper image of the terminal; and displaying the wallpaper image on a screen of the terminal

Abstract: A method for exiting a group includes receiving an exiting request for exiting a target subgroup. The exiting request is sent by a client and includes a subgroup identifier of the target subgroup. The method further includes searching a member list of the target subgroup according to the subgroup identifier and deleting the client from the member list. The target subgroup is associated with a target group. Members of the target subgroup constitute a subset of members of the target group.

Abstract: Provided is a network equipment and an authentication and key management method for the same. The network equipment generates a Network Key (NK); the network equipment performs authentication protocol interaction with opposite communication equipment, and calculates a Basic Session Key (BSK) according to parameters for the authentication protocol interaction and the NK; and the network equipment calculates link Encryption Keys (EKs) used respectively for Media Access Control (MAC) and Physical (PHY) layers using various access technologies according to the BSK, and provides the EKs for respective MAC and PHY layer function modules. With the disclosure, the legality of the equipment is verified by performing an authentication process on the heterogeneous network equipments in one pass, and keys in various MAC layer technologies are managed in a unified way.

Abstract: Systems, methods and apparatus for operating an optical network terminal (ONT) in a passive optical network include maintaining an operational state in the passive optical network, estimating an upstream channel, adjusting equalization delay and physical layer frame offset values and switching from a backup mode to a primary mode of operation upon detecting a failure condition.

Abstract: A method for managing upstream burst overhead parameters includes: an Optical Line Terminal (OLT) or an Optical Network Unit (ONU) detects transmission quality of a downlink between the OLT and the ONU; the OLT or the ONU determines the upstream burst overhead parameters suitable for the ONU according to the transmission quality; and the ONU starts to use the upstream burst overhead parameters suitable for the ONU after the switching time determined by the ONU itself or indicated by the OLT. The present invention also provides an ONU and an OLT for managing the upstream burst overhead parameters. The present invention can improve the bandwidth utilization rate and decrease the complexity of indicating the upstream burst overhead parameters in PON system, so that the ONU and the OLT are enabled to flexibly and simply select the upstream burst overhead parameters.

Abstract: A method for upstream bandwidth allocation in a passive optical network is provided by the disclosure. The method includes the following steps: an Optical Line Terminal (OLT) allocates an upstream bandwidth for an Optical Network Unit (ONU) through an upstream bandwidth mapping (US BWmap) domain, wherein the total length B of payloads transmitted by consecutive Transmission Containers (T-CONTs) allocated for the ONU is: the product of the positive integer n and the data byte length L contained in a code word when the ONU uses Forward Error Correction (FEC) encoding, minus the byte length R of the contents protected by FEC, except the payloads, in an upstream burst slot transmitted by the ONU, i.e. B=L×n?R bytes (401); and the ONU encapsulates the upstream data according to the size of the T-CONT total bandwidth allocated by the OLT and transmits it to the OLT (402). A system for upstream bandwidth allocation in a passive optical network is also provided by the disclosure.

Abstract: The present invention discloses a method for transmitting data and a gigabit-capable passive optical network system, which method comprises: a transmitter carrying indication information in an uplink or a downlink frame transmitted to a receiver for enabling the receiver to discard information which does not need to be processed by the receiver in the uplink or downlink frame according to the indication information. The data type transmitted by GPON systems is expanded and the idle bandwidth is effectively handled by the present invention.

Abstract: Disclosed are a method and device for transmitting optical signals. The method comprises: if there is Raman crosstalk between a first optical network system and a coexistence system, an upstream wavelength band of the first optical network system is set outside a range with an upstream wavelength band of the coexistence system being a center and with an impact intensity of the Raman crosstalk being a radius, and a downstream wavelength band of the first optical network system is set outside a range with the downstream wavelength band of the coexistence system being a center and with the impact intensity of the Raman crosstalk being a radius; and optical signals are transmitted by using the upstream wavelength band of the first optical network system and the downstream wavelength band of the first optical network system. The disclosure can avoid interference and improve signal quality.

Abstract: A power saving method in a passive optical network, including: when receiving an upstream burst timeslot allocated by the Optical Line Terminal (OLT) after a power supply of the Optical Network Unit (ONU) is turned off, the ONU dividing the upstream burst timeslot into one or more upstream burst timeslots; and the ONU turning on own laser in the upstream burst timeslot belonging to the ONU, and after sending one or more emergent Physical Layer Operations, Administration and Maintenance (PLOAM) messages to OLT in each upstream burst timeslot, promptly turning off the own laser. A power saving system in a passive optical network and an optical network unit is provided. The invention can decrease the power supply volume of an electric supply installation in a power-off ONU and reduce the cost of the electric supply installation.

Abstract: The present invention discloses a method for ranging in a passive optical network, and the method includes: obtaining a Round Trip Delay (RTD) between an Optical Line Terminal (OLT) and an Optical Network Unit (ONU); and opening a quiet window used for the ranging for the ONU according to the RTD to perform the ranging on this ONU. The present invention further discloses an apparatus for ranging in a passive optical network, and the apparatus includes: an obtainment module which is configured to: obtain a RTD between an OLT and an ONU; and a ranging module configured to: open a quiet window used for ranging for the ONU to perform ranging on the ONU according to the RTD. The present invention shortens the open time of the quiet window used for the ranging and improves the efficiency of the upstream transmission, and the implementation method is simple and convenient.

Abstract: The present invention provides a transmission method for a physical layer operations, administration and maintenance (PLOAM) message in a passive optical network. The method includes: a transmitter dividing a PLOAM message to generate more than two new PLOAM messages, each of which comprises at least a message identification (Message ID) field (1501); and the transmitter transmitting the new PLOAM messages identified with Message IDs (1502). The invention also provides an assembling method for a PLOAM message in a passive optical network and a transmission device for a PLOAM message in a passive optical network. By using the method of the invention, the invention improves the efficiency of the PLOAM message transmission, avoids bandwidth waste, and simultaneously improves the flexibility and timeliness of the PLOAM message transmission between an OLT and an ONU.

Abstract: A method for upstream bandwidth allocation in a passive optical network is provided by the disclosure. The method includes the following steps: an Optical Line Terminal (OLT) allocates an upstream bandwidth for an Optical Network Unit (ONU) through an upstream bandwidth mapping (US BWmap) domain, wherein the total length B of payloads transmitted by consecutive Transmission Containers (T-CONTs) allocated for the ONU is: the product of the positive integer n and the data byte length L contained in a code word when the ONU uses Forward Error Correction (FEC) encoding, minus the byte length R of the contents protected by FEC, except the payloads, in an upstream burst slot transmitted by the ONU, i.e. B=L×n?R bytes (401); and the ONU encapsulates the upstream data according to the size of the T-CONT total bandwidth allocated by the OLT and transmits it to the OLT (402). A system for upstream bandwidth allocation in a passive optical network is also provided by the disclosure.

Abstract: A power saving method in a passive optical network, including: when receiving an upstream burst timeslot allocated by the Optical Line Terminal (OLT) after a power supply of the Optical Network Unit (ONU) is turned off, the ONU dividing the upstream burst timeslot into one or more upstream burst timeslots; and the ONU turning on own laser in the upstream burst timeslot belonging to the ONU, and after sending one or more emergent Physical Layer Operations, Administration and Maintenance (PLOAM) messages to OLT in each upstream burst timeslot, promptly turning off the own laser. A power saving system in a passive optical network and an optical network unit is provided. The invention can decrease the power supply volume of an electric supply installation in a power-off ONU and reduce the cost of the electric supply installation.

Abstract: The present invention discloses a method for transmitting data and a gigabit-capable passive optical network system, which method comprises: a transmitter carrying indication information in an uplink or a downlink frame transmitted to a receiver for enabling the receiver to discard information which does not need to be processed by the receiver in the uplink or downlink frame according to the indication information. The data type transmitted by GPON systems is expanded and the idle bandwidth is effectively handled by the present invention.