Patent application number | Description | Published |
20080219229 | WIRELESS RELAY COMMUNICATION SYSTEM AND METHOD - A wireless relay communication system and method are provided. The system includes a BS, at least one RS and subscriber terminals. The method includes: configuring a downlink relay zone and an uplink relay zone in downlink sub-frame and uplink sub-frame of physical layer frame structure of a BS, respectively, configuring a downlink relay zone and an uplink relay zone in uplink sub-frame and downlink sub-frame of physical layer frame structure of an RS, respectively, to define one or more combinations of OFDMA symbols and relay subchannels or relay timeslots for communication between the RS and BS; performing relay communication between the BS, the RS and a subscriber station. In the invention, an advanced relay mode is supported, i.e. an MSS/SS may access BS via the relay of RS, thereby broadening the effective coverage of BS, and improving the throughput of MSS/SS. | 09-11-2008 |
20080253773 | System And Communication Method For Interconnecting Optical Network And Radio Communication Network - A system and communication method for the system interconnecting the optical network with the radio communication network is provided. The solution mainly applies to an optical access network employing fiber for transmission and the radio communication network connected to the optical access network, wherein a base station of the radio communication network is connected to the optical access network and communicates to an entity in the optical access network to achieve interconnection between the optical network and the radio communication network. After the interconnection is established, a user equipment can enjoy communication services through the interconnected radio communication network and the optical network. | 10-16-2008 |
20080259857 | METHOD, SYSTEM AND APPARATUS FOR IMPLEMENTING BANDWIDTH ALLOCATION BASED ON A RELAY STATION - The present invention relates to a method, a system and an apparatus for implementing bandwidth allocation and scheduling management based on a relay station. A mapping information unit for controlling a RS (MAP | 10-23-2008 |
20080260389 | Method And A System For Optimizing Radio Network Layer To Implement The Network Interconnection, And A Method For Interconnection Between The Radio Network And The Wired Network - A method for optimizing a radio network layer to implement a network interconnection is provided. A radio network controller is divided into radio access network servers and wireless adapters configured in a base station. The wireless adapters are adapted to process related radio interface protocols, and are connected to an optical access network via an adaptation function. The radio access network servers and a core network are respectively connected to optical network units to implement the interconnection between an optical network and a radio communication network. Therefore, the single-point failure is effectively prevented, the flexibility and extensibility are improved, it is convenient for networking, and the network coverage is enlarged. It is suitable for the service development and radio access applications in the future, and facilitates the combination with the wired network. | 10-23-2008 |
20080298311 | METHOD AND SYSTEM FOR INTERCONNECTING BROADBAND WIRELESS ACCESS NETWORK WITH OPTICAL ACCESS BROADBAND NETWORK - A method and system for interconnecting a broadband wireless network with a wired network includes interconnecting a broadband wireless access (BWA) network with an optical access (OAN) broadband network at any reference point among reference points T, a, ODN, and V in the OAN broadband network, and interconnecting them with a digital subscriber line (DSL) network by the reference point V in the DSL network. The method of the present invention can solve the problem of the interconnection between the worldwide interoperability for microwave access (WiMAX) network and the OAN broadband network, and the DSL network. An evolution approach is provided for the OAN broadband network operator and the DSL network operator to develop the WiMAX network. | 12-04-2008 |
20080298809 | Digital Subscriber Line Access Multiplexer, Optical Network Unit, Optical Line Terminal And Base Station - A Digital Subscriber Line Access Multiplexer (DSLAM) includes a Digital Subscriber Line interface unit for processing Physical Layer and Data Link Layer of the Digital Subscriber Line (DSL); at least two virtual DSLAM units adapted to simulate DSLAM to process a packet from the DSL interface unit; and a backhaul interface unit adapted to receive a packet processed by the DSLAM unit, and to send a packet from an access edge node or carrier equipment to the virtual DSLAM unit for processing. The disclosure further provides an Optical Network Unit, an Optical Line Terminal and a Base Station. | 12-04-2008 |
20080301534 | ERROR CONTROL METHOD AND COOPERATIVE TRANSFER SYSTEM - An error control method and a cooperative transfer system are provided. The method comprises: each node acting as a transfer node in a cooperative node group codes an acquired distributed information code block to obtain a corresponding distributed check code block and transmits the corresponding distributed check code block to a destination node; the destination node combines a received distributed check code block to generate a check code block and combines the distributed information code block transmitted by each node acting as a source node in the cooperative node group to generate an information code block; and the destination nod decodes the check code block and the information code block. The embodiment of the present invention may increase farthest the throughput of the transfer system and obtain additional cooperative path diversity and linear block code gain. | 12-04-2008 |
20080304833 | Illumination Light Wireless Communication System - The present disclosure discloses an illumination light wireless communication system. The system is designed for illumination and communication with a remote communication apparatus, and comprises an illumination and communication device, an illumination and communication terminal and a communication terminal. The illumination and communication device is adapted to receive a source signal from the remote communication apparatus, convert the source signal into an optical signal, and carry out wireless transmission by the optical signal. The illumination and communication terminal is adapted to convert the optical signal into an electric signal and transmit the electric signal to the communication terminal. The communication terminal is adapted to receive and process the electric signal from the illumination and communication terminal, or transmit the processed electric signal to the illumination and communication terminal, i.e., perform a reverse transmission. | 12-11-2008 |
20080316954 | Relay System And Method For Bandwidth Allocation And Scheduling - A relay system and a bandwidth allocation and scheduling method. The method includes: adding, in control packets of a downlink subframe of a physical layer frame structure of a base station, information elements specifying locations and profiles of respective bursts for connections corresponding to a subscriber station/mobile subscriber station; receiving, by the base station, a bandwidth request initiated by the subscriber station/mobile subscriber station and relayed by a relay station; and in accordance with the bandwidth request, generating the control packets including the information elements, transmitting the control packets to the subscriber station/mobile subscriber station, and performing bandwidth allocation and scheduling. | 12-25-2008 |
20090003296 | Method And System For Interconnecting Digital Subscriber Line Network And Radio Communication Network - A method and system for interconnecting a DSL network and a radio communication network are disclosed. The DSL network carries data transmitted in the radio communication network so that the radio communication network and the DSL network are interconnected. The xDSL is adopted to perform the base station transmission. The scheme may function as a radio extension of the wire access of the DSL network and is suitable to fixed wireless, nomadic connectivity, laptop and mobile access applications. | 01-01-2009 |
20090003831 | Network Interconnection System And Method With Separated Controlling And Bearing - A network interconnection system and method with separated controlling and bearing is presented. The system includes a radio access network (RAN) and a corresponding core network (CN). The RAN includes a base station network element and a base station controller (BSC). The BSC is set to separate the controlling and the bearing and includes an RAN-Server and a radio gateway (RGW). The RAN-Server has controlling plane functions of a radio network controller (RNC) and a handover controlling function between the wired access and the radio access for supporting the handover controlling between the wired access and radio access. The RGW has the user plane functions of the RNC and has a multi-to-multi connection relationship with the base station network element. The system reuses the standard Iu or Iur interface as far as possible, implements the smooth evolution of the current UTRAN architecture. | 01-01-2009 |
20090117901 | METHOD AND DEVICE FOR CONFIGURING SERVICE PATHS IN RELAY SYSTEM AND METHOD OF MOBILE STATION HANDOVER - A method and apparatus for configuring service paths in a relay system, and a method for mobile station handover are provided. In the present invention, when it is determined that a mobile station is to be switched between a base station and a relay station attached thereto, or between different relay stations attached to the base station, the service paths are configured respectively between a handover source station and a mobile station and between a handover destination station and the mobile station and same data is transmitted by the base station. Therefore, this method facilitates the mobile station to ensure service continuity in the process of handover. | 05-07-2009 |
20090135829 | ACCESS NETWORK SYSTEM, ACCESS EQUIPMENT, ARP PROXY METHOD AND AN IP BRIDGING FORWARDING METHOD - An access network system, an address resolution protocol proxy method and an IP bridging forwarding method for the access network system are disclosed. The access network system comprises: one or more access network edge nodes that connect to one or more access nodes; one or more access nodes that connect to user terminals to the access network, and a reference point that is introduced between two adjacent access nodes for the access nodes interconnection. With this system, the multi-cast or broadcast flow in the network can be reduced and the communication delay and path can also be decreased. Therefore the communication bottleneck brought by BRAS/BNG can be avoided. | 05-28-2009 |
20090144442 | ACCESS NETWORK SYSTEM WITH SEPARATED CONTROL AND BEARER AND METHOD THEREOF FOR ACHIEVING COMMUNICATIONS - An access network system with separated control and bearer includes an access network control plane and an access network data plane for achieving separation of control and bearer. The access network control plane receives the control information separated from the access network data plane, exchanges the control information with a core network, and control data transfer of the access network data plane. The access network data plane separates control information from data when dealing with flow from a user network, transfers the control information to the access network control plane, and forwards the data from the user network/core network according to the control information of the access network control plane. A method for implementing communications by an access network system with separated control and bearer is provided. Because the access network of the present invention implements separation of control and bearer, the network control method does not need to alter when the bearing technique changes, thereby improving network extensibility and reducing the network maintenance cost. | 06-04-2009 |
20090144807 | METHOD, APPARATUS AND SYSTEM FOR IMPLEMENTING ACCESS AUTHENTICATION - The method, apparatus and system for access authentication include: the network node sends the authentication information to the authentication server, the authentication server deals with the authentication process. When the authentication is successful, the network node is trusted. The UE may send authentication information through the trust node to the authentication server, and the authentication server deals with the authentication process. At the same time, the trust node controls the UE according to the information, which is from the policy server. So the NSP may account to the different users according to the different services, and prevent the illegal action, and the network node may deal with local monitoring according to the policy information. | 06-04-2009 |
20090150665 | Interworking 802.1 AF Devices with 802.1X Authenticator - An apparatus comprising a supplicant proxy port authorization entity (PAE) configured to communicate with a user equipment (UE) and a network, wherein the supplicant proxy PAE causes a communication path to forward or block communications between the UE and the network. Included is a network component comprising at least one processor configured to implement a method comprising authenticating a UE with a network using an Institute of Electrical and Electronics Engineers (IEEE) 802.1X protocol, and exchanging a secure key with the UE using an IEEE 802.1 AF protocol. Also included is a method comprising authenticating a user UE configured for a first authentication protocol with a network configured for a second authentication protocol using a port entity configured for the first authentication protocol and the second authentication protocol, and securing the UE's access to the network by completing a security key agreement using the first authentication protocol. | 06-11-2009 |
20090161677 | COMMUNICATION PROXY METHOD, DEVICE AND SYSTEM - A communication proxy method, device and system are provided, including: after receiving a packet communicated between a provider device and the access device, performing a conversion process between the physical port and the logic port to physical port information or logic port information in the packet received according to the mapping information between the physical port and the logic port. Thus, it is ensued that the variation of the physical port does not affect the process in which the provider device provides services and the safety of each physical port in the access device is also guaranteed. | 06-25-2009 |
20090274091 | SYSTEM FOR INTERCONNECTING BROADBAND WIRELESS NETWORK WITH WIRED NETWORK - A system for interconnecting a broadband wireless network with a wired network comprises: as for a broadband wireless network required to be interconnected with a wired network, in equipment selected in the corresponding broadband wireless access (BWA) network, setting an interface communicating with at least one kind of wired network; through communicating with equipment of the at least one kind of wired network by the interface, transmitting information required to be transferred between the BWA network and the wired network; and then implementing the interconnection between the broadband wireless network and the wired network. For example, it can implement the interconnection between the worldwide interoperability for microwave access (WiMAX) network and the multi-service operator (MSO) network and/or the digital subscriber line (DSL) network as the wired network. Therefore, the implementation of the present invention enables subscribers of the broadband wireless network and subscribers of the wired network to inter-utilize the corresponding access network and to acquire the corresponding access services, and thus the services are developed for the subscribers more smartly and conveniently. | 11-05-2009 |
20100039956 | METHOD AND SYSTEM FOR PERFORMING KEEP-ALIVE MONITORING ON SUBSCRIBER SESSIONS - A method and system for performing keep-alive monitoring on subscriber sessions as well as an edge device are provided. In the method, keep-alive monitoring is performed on a subscriber session group, and a keep-alive monitoring result of the subscriber session group serves as a keep-alive monitoring result of a plurality of subscriber sessions in the subscriber session group, so that the subscriber sessions in the subscriber session group can be processed in batches, and the real-time processing traffic of an IP edge device for the subscriber sessions is reduced, thereby lowering the real-time processing load of the IP edge device for the subscriber sessions, and increasing the real-time processing rate of the IP edge device for the subscriber sessions. | 02-18-2010 |
20100104288 | METHOD, APPARATUS AND SYSTEM FOR BEARING IP PACKETS OVER PASSIVE OPTICAL NETWORK - A method, apparatus and system for bearing Internet Protocol (IP) packets over a Passive Optical Network (PON) are disclosed. The method includes obtaining an IP packet, converting the IP packet into a Gigabit PON Encapsulation Method (GEM) frame. The method further includes performing a Gigabit PON Transmission Convergence (GTC) framing on the GEM frame to obtain a GTC frame and performing a PON physical layer processing on the GTC frame. | 04-29-2010 |
20100107223 | Network Access Method, System, and Apparatus - A network access method is disclosed. The method includes: by an access authenticator, receiving a Discover message sent by a client, returning a response message, and obtaining first configuration information used by the client during authentication, where the Discover message is used to discover the access authenticator; authenticating the client or interacting with an authentication server (AS) to authenticate the client remotely as an agent of the client; and sending a configuration request message to a configuration server to request second configuration information used by the client during a session after the authentication succeeds. A network access system, an access authentication apparatus and a broadband access device are also disclosed. The present invention can assure the stability of authentication. | 04-29-2010 |
20100132031 | METHOD, SYSTEM, AND DEVICE FOR FILTERING PACKETS - A method, system, and device for filtering packets are disclosed. The method includes: by a deep packet inspection (DPI) proxy server configured at the access-network user side, identifying the service type and/or contents of a received packet, and performing DPI filtering on the packet by using a preset DPI filtering policy according to the identified service type and/or contents. In the technical solution of the present invention, DPI proxy servers are configured at the access-network user side on a distributed basis; each DPI proxy server receives packets only from a user equipment (UE) on a customer premises network (CPN), where the UE corresponds to the DPI proxy server. Compared with the DPI server configured at the edge between the core network and the access network in the prior art, the DPI proxy server provided in embodiments of the present invention processes fewer packets, thus performing real-time DPI on the packets. | 05-27-2010 |
20100138538 | PROXY, METHOD AND SYSTEM FOR SESSION KEEP-ALIVE DETECTION - A proxy includes a session keep-alive detection converting unit, configured to perform conversion between a first session keep-alive detection message supported by a first session communication peer and a second session keep-alive detection message supported by a second session communication peer. Another proxy includes a session group keep-alive detection processing unit, configured to act as an intermediate agent for the session group keep-alive detection between a session group communication peer and a session communication peer. A method and network system for session keep-alive detection based on two proxies is also provided. The present invention can implement conversion between different session keep-alive detection mechanisms, and perform keep-alive detection on the session group, thus reducing the message traffic in the session keep-alive detection. | 06-03-2010 |
20100223380 | Session Monitoring Method, Apparatus, and System Based on Multicast Technologies - A session monitoring method based on multicast technologies is disclosed. The method includes: obtaining information about members of a multicast group that can be joined by a user in a session, wherein the session between a network and a member of the multicast group in the session is in an alive state; and checking whether the information about the members of the multicast group in the session includes user information corresponding to the user; if the member information includes the user information corresponding to the user, determining that the session between the network and the user as the member of the multicast group in the session is alive. A session monitoring apparatus, a session monitoring system, and an Access Node (AN) based on multicast technologies are also disclosed. | 09-02-2010 |
20100223655 | Method, System, and Apparatus for DHCP Authentication - A Dynamic Host Configuration Protocol (DHCP) authentication method includes: authenticating a Routing Gateway (RG) by an Authentication Server (AS) that serves the RG; receiving an access policy from a DHCP authenticator after the RG passes the authentication; and starting DHCP authentication according to the access policy, and performing DHCP authentication for a DHCP client connected to the RG. With the present invention, the DHCP authentication is started on the RG, and the DHCP authentication is performed for the DHCP client connected to the RG. Therefore, the DHCP client connected to the RG can undergo DHCP authentication through the RG to access the network. | 09-02-2010 |
20100232794 | AGGREGATION NODE DEVICE OF PASSIVE OPTICAL NETWORK AND PASSIVE OPTICAL NETWORK SYSTEM - An aggregation node device of a passive optical network (PON) is provided which includes an aggregation optical line terminal (OLT) and an aggregation optical network unit (ONU). The aggregation OLT is connected to a user-side ONU. The aggregation OLT aggregates service data transmitted by a user-side ONU and transmits the aggregated service data to the aggregation ONU. The aggregation ONU is adapted to transmit the received aggregated service data to a network-side OLT. A PON system is further provided. The device and system can not only support the conventional time division multiplexing (TDM) services but also support the services based on variable-length packets and the multicast service. Moreover, it is not necessary to build an equipment room and supply power for an intermediate optical distribution network (ODN) which greatly reduces the network construction and operation costs. | 09-16-2010 |
20100238837 | METHOD, APPARATUS AND SYSTEM FOR VIRTUAL NETWORK CONFIGURATION AND PARTITION HANDOVER - A method, apparatus and system for virtual network configuration and partition handover are provided. The virtual network configuration method includes the following steps: The serving edge device obtains a target virtual network identifier and a corresponding interface identifier, uses the target virtual network identifier and the corresponding interface identifier to generate a Layer-2 Control (L2C) protocol packet, and sends out the L2C protocol packet; the communication proxy device that receives the L2C protocol packet obtains the target virtual network identifier and the corresponding interface identifier from the L2C protocol packet, and sets up a mapping relation between a target virtual network and an interface. | 09-23-2010 |
20100239243 | PON RING SYSTEM, AND METHOD FOR REALIZING PRIMARY AND BACKUP LINK PROTECTION IN PON - A PON ring system and a method for realizing primary and backup link protection in a passive optical network (PON) are provided. A PON ring is established between at least two optical line terminations (OLTs) through at least two user side edge nodes or network side edge nodes. Each of the OLTs is coupled to any other OLT through the at least two edge nodes. Two links respectively in a clockwise direction and a counterclockwise direction exist in the PON ring, in which one link is a primary link and the other is a backup link. Node of the links adopt the transmission mode of “multiple sending and selective receiving”. Therefore, the present invention reduces the impact on the PON caused by single link failure in the network. | 09-23-2010 |
20100239256 | DATA TRANSMISSION METHOD OF OPTICAL ACCESS NETWORK, AND SYSTEM AND DEVICE THEREOF - An optical access network (OAN) system is provided. In the system, a remote radio unit (RRU) receives and sends a wireless signal and implement conversion between the wireless signal and a first frequency signal; an optical network device receives and sends the wireless signal, and implement conversion between the wireless signal and the first frequency signal and conversion between the first frequency signal and a fiber transmission signal; an optical distribution network (ODN) connected to the optical network device transmits the fiber transmission signal; an optical line terminal (OLT) device receives and sends the fiber transmission signal, and implements conversion between the fiber transmission signal and a second frequency signal, conversion between the second frequency signal and a base band signal, and conversion between the base band signal and a signal of another standard protocol. | 09-23-2010 |
20100254258 | RING-BASED PACKET TRANSMITTING METHOD, NETWORK SYSTEM AND NODE EQUIPMENT - A ring-based packet transmitting method, network system and node equipment are provided. The ring-based packet transmitting method includes the following steps: a received user packet is encapsulated; one or more PBB or PBT rings are detected for fault; when a fault is detected, a PBB or PBT ring having no fault is selected to send the encapsulated packet to a target node equipment according to a corresponding relation between virtual media access control (VMAC) addresses and ports. The network system includes at least two node equipments interconnected with one or more node equipments respectively through ports provided thereon to form one or more PBB or PBT rings. The node equipment includes at least two ports and a data processing unit. Thus, packet transmission on the PBB or PBT ring is achieved. | 10-07-2010 |
20110002342 | NETWORK ACCESS METHOD, AUTHENTICATION METHOD, COMMUNICATIONS SYSTEMS AND RELEVANT DEVICES - A network access method, an authentication method, a communications system, and relevant devices are provided to support implicit authentication based on subscriber line information in Internet Protocol version 6 (IPv6). The network access method includes: receiving a first request message sent from a User Equipment (UE) on an Access Node (AN), where the first request message carries a Link-Local Address (LLA); obtaining subscriber line information corresponding to the UE; and sending a second request message from the AN to a Broadband Network Gateway (BNG), where the second request message carries the LLA and the subscriber line information and instructs the BNG to perform access authentication. An authentication method, a communications system and relevant devices are also disclosed. | 01-06-2011 |
20110004674 | ADDRESS CONFIGURATION METHOD, APPARATUS AND SYSTEM - An address configuration method, apparatus, and system are disclosed. The method includes: after receiving a neighbor solicitation message sent by a terminal and inclusive of a Link-Local Address (LLA), comparing the LLA with addresses in an Internet Protocol (IP) address cache, and judging whether any address in the IP address cache matches with the LLA; and sending a proxy neighbor advertisement message to the terminal if an address in the IP address cache matches with the LLA, where the message indicates that the LLA is a duplicate address. In the embodiments of the present disclosure, after a neighbor solicitation message is received, duplicate addresses are detected for the LLA; after the Duplicate Address Detection (DAD), an IPv6 address is generated and delivered. In this way, IPv6 stateless address auto-configuration is realized on the terminal. | 01-06-2011 |
20110052206 | METHOD, SYSTEM AND OPTICAL NETWORK DEVICE FOR SYNCHRONIZING TIME OF A PASSIVE OPTICAL NETWORK - The present invention relates to optical communications and discloses a master clock time synchronization method, slave clock time synchronization method, system and optical network device in a Passive Optical Network (PON) for the purpose of resolving time synchronization in Ethernet over Gigabit PON Encapsulation Method (GEM) mode. The PON master clock time synchronization method includes: predefining a rule for matching packet time stamp generating points; sending a first clock packet carried in a first downstream frame; acquiring time at a packet time stamp generating point that matches the frame data of the first downstream frame at the PON Media Access Control (MAC) layer and regarding the acquired time as the time the first clock packet is sent; and sending a second clock packet in a second downstream frame, where the second clock packet carries the time the first clock packet is sent. | 03-03-2011 |
20110080842 | BINDING/UNBINDING PROCESSING METHOD, SYSTEM, AND APPARATUS - A binding/unbinding processing method, system and apparatus are disclosed. The binding processing system includes: an Internet Protocol (IP) edge node and an Access Node (AN). The IP edge node is configured to: monitor received Dynamic Host Configuration Protocol (DHCP) messages, after monitoring a specific DHCP message, forward the specific DHCP message to all ANs corresponding to bound links, where the specific DHCP message is a DHCP ACK or DHCP REPLY message. The AN is configured to: receive the specific DHCP message sent by the IP edge node, parse and obtain an IP or Media Access Control (MAC) address carried in the specific DHCP message, and bind a port of the AN to the IP or MAC address according to the obtained IP address or MAC address. The present disclosure implements the binding/unbinding of an AN port to/from an IP or MAC address in inter-AN binding scenarios. | 04-07-2011 |
20110090819 | Method, Apparatus and System for Virtual Network Configuration and Partition Handover - A method, apparatus and system for virtual network configuration and partition handover are provided. The virtual network configuration method includes the following steps: The serving edge device obtains a target virtual network identifier and a corresponding interface identifier, uses the target virtual network identifier and the corresponding interface identifier to generate a Layer-2 Control (L2C) protocol packet, and sends out the L2C protocol packet; the communication proxy device that receives the L2C protocol packet obtains the target virtual network identifier and the corresponding interface identifier from the L2C protocol packet, and sets up a mapping relation between a target virtual network and an interface. | 04-21-2011 |
20110116796 | METHOD, DEVICE, AND SYSTEM FOR BEARING MULTI-PROTOCOL LABEL SWITCHING PACKET IN PASSIVE OPTICAL NETWORK - A method for bearing a multi-protocol label switching (MPLS) packet in a passive optical network (PON), a receiving method, an optical network unit (ONU)/optical network terminal (ONT)/optical line terminal (OLT), and a communication system are provided, which relate to an optical communication network, and are designed to solve the technical problem that protocol stack layers are complicated when a PON and a mobile network are coupled. The sending method includes the following steps. An MPLS packet is obtained. The MPLS packet is encapsulated into a Gigabit PON (GPON) encapsulation mode (GEM) frame. The GEM frame is sent. The receiving method includes the following steps. A GEM frame is received. The GEM frame is decapsulated into an MPLS packet. The MPLS packet is sent. Therefore, tight coupling between the PON and the mobile network is realized. | 05-19-2011 |
20110129214 | EXTENDER BOX, DATA TRANSMISSION METHOD AND PASSIVE OPTICAL NETWORK SYSTEM - An extender box (EB) includes: a downlink data sending module configured to send downlink data to first passive optical network (PON) devices; at least two uplink data receiving modules configured to receive uplink data sent from a corresponding first PON device respectively; and a duplexer configured to convert the data transmission mode used by the downlink data sending module and the uplink data receiving modules from dual-fiber transmission to single-fiber transmission to implement single-fiber bidirectional transceiving. The uplink data receiving modules have ports corresponding to uplink ports of the first PON devices on a one-to-one basis. Optical fibers of the uplink data receiving modules that are connected with the uplink ports of the first PON devices are separated from optical fiber of the downlink data sending module, where the optical fiber is connected with downlink ports of the first PON devices. A data transmission method and a PON system are also disclosed. | 06-02-2011 |
20110170545 | DATA TRANSMISSION METHOD, NETWORK NODE, AND DATA TRANSMISSION SYSTEM - A data transmission method is provided. The method is used to transmit multiple data packets, and includes the following steps. Multiple acquired data packets are mapped to different sessions according to data header information of the data packets, in which each session corresponds to one or more data packets. A data packet is encapsulated into a session message, in which the encapsulated session message includes a session identifier of the session corresponding to the one or more data packets. Multiple session messages belonging to the same session are transmitted to a next network node through at least two tunnels in link layer. | 07-14-2011 |
20110170865 | MAPPING METHOD, APPARATUS, AND SYSTEM FOR DATA TRANSMISSION - A mapping method, an apparatus, and a system for data transmission are provided, so as to solve a problem that mapping between a Passive Optical Network (PON) service transmission path and a Pseudo Wire (PW) and/or a Packet Switched Network (PSN) tunnel cannot be realized on a premise of ensuring Quality of Service (QoS) of data transmission. Data packets are classified according to own attribute information in PSN tunnel information and/or PW information. When Multi Protocol Label Switch (MPLS) tunnel information carried in the data packets includes the PSN tunnel information or the PW information, the data packets are classified according to Class of Service (CoS) information, and/or label information in the PSN tunnel information or the PW information; and then the classified data packets are respectively mapped to service transmission paths of different PONs. The invention is applied to a PON to support packet switching technology. | 07-14-2011 |
20110188857 | LABEL SWITCHING METHOD, APPARATUS AND SYSTEM - A label switching method is provided. When a Passive Optical Network (PON)-based Label Switching Path (LSP) is established, a PON logical service transmission channel is established between an Optical Line Terminal (OLT) and an Optical Network Unit (ONU). According to an identifier (ID) of the PON logical service transmission channel as a PON label, a PON-based Forwarding Information Base (FIB) table on the ONU is updated, and a PON-based Label Forwarding Information Base (LFIB) table on the OLT is updated, where the PON-based LFIB table records a forwarding relationship between an ingress port plus an ingress label and an egress port plus an egress label, and the PON-based FIB table records a forwarding relationship between the ingress port plus a destination address and the egress port plus the egress label. Therefore, the problems between network segments of different forwarding characteristics, protocol variation, inter-segment conversion, and mapping and control complexity are avoided. | 08-04-2011 |
20110200331 | OPTICAL LINE TERMINAL, METHOD AND SYSTEM FOR PACKET TRANSMISSION IN OPTICAL COMMUNICATION SYSTEM - In the field of communications, a method and a system for packet transmission in an optical communication system, and an Optical Line Terminal (OLT) are provided. The method includes: receiving, from a port, a first uplink packet from an Optical Network Unit (ONU), where the first uplink packet includes a Logical Link Identifier (ID); determining a first ID corresponding to the first uplink packet, where the first ID includes an ONU ID or a Port ID; acquiring a Multiprotocol Label Switching (MPLS) tunnel label according to the Logical Link ID and the first ID; and transmitting a second uplink packet on an MPLS tunnel corresponding to the MPLS tunnel label, where the second uplink packet includes data in the first uplink packet and the MPLS tunnel label. The system includes an ONU and an OLT. By establishing a corresponding relation of a logical link, created between the OLT and the ONU, and the MPLS tunnel, mapping between the logical link and the MPLS tunnel is realized, so that the service configuration has an unlimited capacity and becomes more flexible. | 08-18-2011 |
20110202670 | METHOD, DEVICE AND SYSTEM FOR IDENTIFYING IP SESSION - A method, a device, and a system for identifying an Internet Protocol (IP) session are provided. The method includes: a network gateway generates an IP session identity (ID) for an IP session during an IP address configuration process for a user equipment (UE), according to preset rules for generating the IP session ID; and filters a received IP session packet from the UE according to the IP session ID. By applying the technical solutions, a coupling relation between a data communication process and an authentication process or an IP address configuration process of the IP session is established, and the security of the IP session is enhanced. | 08-18-2011 |
20110280134 | METHOD AND SYSTEM FOR IP SESSION KEEPALIVE MONITORING, HOME GATEWAY AND NETWORK DEVICE - A method and a system for Internet Protocol (IP) session keepalive monitoring, a home gateway and a network device are provided. The method includes: receiving, by a User Equipment (UE) or an IP edge node, a Bidirectional Forwarding Detection (BFD) message sent by a Home Gateway (HGW), in which a first discriminator field value included in the BFD message is a difference between an IP address prefix of the UE and an IP address prefix of the HGW; and monitoring, by the UE or the IP edge node, whether an IP session between the IP edge node and the UE is keepalive according to the first discriminator field value in the BFD message. “Multihop BFD” is used as a keepalive monitoring mechanism of a “Multihop IPv6 Session”, thereby realizing keepalive monitoring of the “Multiple hop IPv6 Session”. | 11-17-2011 |
20110317995 | PASSIVE OPTICAL NETWORK PROTECTION METHOD, SWITCHOVER CONTROL DEVICE, AND PASSIVE OPTICAL NETWORK PROTECTION SYSTEM - The present invention discloses a passive optical network (PON) protection method, a switchover control device, and a PON protection system. In embodiments of the present invention, a protection optical line terminal (OLT) is connected to optical links of at least two working OLTs through the switchover control device; when a working OLT or working optical link fails, the switchover control device replaces the working OLT through the protection optical link, thus ensuring smooth communication. In addition, by using the networking mode of multiple working OLTs and one protection OLT, the embodiments of the present invention greatly saves the networking cost and facilitates the application of the PON technology. | 12-29-2011 |
20120027405 | METHOD AND APPARATUS FOR SYNCHRONIZING TIME IN A PASSIVE OPTICAL NETWORK - A method and apparatus for synchronizing time in a Gigabit Passive Optical Network (GPON) in which an Optical Line Terminal (OLT) sends a downstream frame including a Physical Control Block downstream (PCBd) field and a payload field to an Optical Network Unit (ONU); the OLT determines a time value associated with a certain bit in the PCBd field of the downstream frame; and the OLT sends an Operation, Administration and Maintenance (OAM) message defined by a GPON protocol carrying the time value to the ONU, wherein the ONU uses the time value to adjust a local time of the ONU. | 02-02-2012 |
20120033967 | METHOD, SYSTEM, AND APPARATUS FOR TRANSMITTING IPV6 MESSAGE IN PASSIVE OPTICAL NETWORK - Embodiments of the present disclosure provide a method for transmitting an Internet Protocol version 6 (IPv6) message in a Passive Optical Network (PON). The method includes: receiving a Router Advertisement (RA) message comprising Optical Line Terminal (OLT) port information, Optical Network Unit (ONU) port information, and an IPv6 address prefix; binding the IPv6 address prefix with an OLT port indicated by the OLT port information; and sending the RA message to an ONU through the OLT port, so that the ONU binds the IPv6 address prefix with an ONU port indicated by the ONU port information and provides the RA message for a user terminal through the ONU port. Embodiments of the present disclosure further disclose a PON system and an apparatus for transmitting an IPv6 message in a PON. | 02-09-2012 |
20120082449 | METHOD, DEVICE AND SYSTEM FOR OPTICAL NETWORK SWITCHING PROTECTION - In the field of optical communications technologies, a method and a system for optical network switching protection are provided, to solve the problem of long service interruption time during active-standby switching in the prior art. One optical terminal apparatus is selected as a ranging optical terminal apparatus after a service is switched from an active optical central office end apparatus to a standby optical central office end apparatus; a delay difference between delay from the ranging optical terminal apparatus to the standby optical central office end apparatus and delay from the ranging optical terminal apparatus to the active optical central office end apparatus respectively is obtained; and time at which data sent by all the optical terminal apparatuses reaches the standby optical central office end apparatus is synchronized according to the delay difference. The method and the system are mainly used in an optical communication system. | 04-05-2012 |
20120099861 | Method, apparatus, and system for managing label of access network - The present invention relates to the field of network communications. An Optical Line Terminal (OLT) allocates a Pseudo Wire (PW) label of an access segment PW for a port, and establishes a corresponding relationship between the port information and the PW label; and carries the corresponding relationship between the port information and the PW label in a label management message, and sends the label management message to an Optical Network Unit (ONU) so that the ONU updates a forwarding table, in which the label management message adopts an access network management protocol. As a consequence, a problem of supporting Pseudo Wire Emulation Edge-to-Edge (PWE3) on a data plane of an access segment of an access network is solved under the conditions that device complexity of the ONU is not increased and a configuration of the ONU is slightly changed. | 04-26-2012 |
20120134664 | JOINT SWITCHING METHOD FOR AN AGGREGATION NODE, AGGREGATION NODE AND SYSTEM - A joint switching method for an aggregation node, an aggregation node, and an optical network protection system including an aggregation node are provided. By monitoring information transferred between an active optical line terminal (OLT) and a broadband network gateway (BNG), the aggregation node finds a fault in time according to the monitored information and when a fault occurs, the aggregation node starts a local protection solution, enables a corresponding backup port connected to a backup OLT corresponding to the active OLT, and disables an active port connected to the active OLT. Through the method, when the active OLT is switched to the backup OLT, the aggregation node performs joint switching, which ensures normal communication. | 05-31-2012 |
20120218994 | NETWORK COMMUNICATION METHOD AND NETWORK NODE DEVICE - A network communication method includes: allocating a pseudo wire (PW) label and/or an Ethernet (ETH) label through a layer 2 label allocation protocol; and performing data communication according to the allocated PW label and/or the allocated ETH label. According to the embodiments of the present invention, the label is allocated through the layer 2 label allocation protocol, thus maintaining the node device as a layer 2 device, meanwhile implementing label allocation, and reducing the complexity and improvement cost of network access. | 08-30-2012 |
20120224576 | METHOD, APPARATUS, AND SYSTEM OF DUPLICATE ADDRESS DETECTION PROXY - Embodiments of the present invention disclose a method, apparatus, and system of DAD proxy. The method includes: obtaining a DAD-NS message; comparing the obtained DAD-NS message with locally stored DAD information, and adding the DAD-NS information to the locally stored DAD information when it is determined, according to a comparison result, that the IP address to be detected is not duplicate; when it cannot be determined whether the IP address to be detected is duplicate or not, initiating, according to the address information included in the locally stored DAD information after comparison, an unreachability detection to the IP address to be detected to determine whether the IP address to be detected is duplicate. The apparatus includes: an obtaining module, a storing module, and a processing module. The system includes: an apparatus of DAD proxy and an access device. | 09-06-2012 |
20120236864 | METHOD, DEVICE, AND SYSTEM FOR PROCESSING IPV6 PACKET - The present disclosure discloses a method, device, and system for processing an IPv6 packet, and relates to the field of Internet technologies. According to the present disclosure, a secure access, authentication, and authorization can be ensured in an IPv6 network, and different IPv6 address prefixes are allocated to different terminals. Therefore, normal routing in the network is ensured. A method for processing an IPv6 packet provided in an embodiment of the present disclosure includes: an access node adds access line information to an IPv6 packet; and forwards the IPv6 packet that is added with the access line information to an IP edge node. The present disclosure is applicable to a scenario of processing a packet in an IPv6 network. | 09-20-2012 |
20130003740 | METHOD, APPARATUS, AND SYSTEM FOR DISTRIBUTING LABEL IN SEAMLESS MULTI-PROTOCOL LABEL SWITCHING NETWORK - The present invention discloses a method, apparatus, and system for allocating a label in a seamless multi-protocol label switching network, which greatly reduces the complexity of the access node device, effectively cuts down the operation costs for the operator, and enhances the scalability of the system. The method includes: obtaining label information of a first access node, where the label information comprises the pseudowire PW destination address of the first access node; and sending the label information to a second router by using a BGP message or a T-LDP message so that the second router configures a PW label and/or a flow label of the first access node to a second access node by using the access network configuration protocol according to the label information. | 01-03-2013 |
20130101283 | DATA SYNCHRONIZATION METHOD AND SYSTEM, AND OPTICAL NETWORK UNIT - Embodiments of the present disclosure provide a data synchronization method and system, and an optical network unit. An ONU receives synchronization data that is transmitted by a first OLT through a GEM port corresponding to a predetermined GEM port ID or a logical link corresponding to a predetermined LLID, and stores the synchronization data. When a fault occurs on the first OLT or on a backbone optical fiber connected to the first OLT, the ONU transmits the synchronization data to a second OLT so that the second OLT recovers services according to the synchronization data. | 04-25-2013 |
20130250947 | METHOD, DEVICE, AND VIRTUAL PRIVATE NETWORK SYSTEM FOR ADVERTISING ROUTING INFORMATION - The present invention discloses a method for advertising routing information, and embodiments of the present invention further provide a virtual private network server device, an IP edge node device, and a client-based virtual private network system. In the technical solutions of the present invention, a virtual private network server first collects MAC address routing information of each site on a local virtual private network and then sends MAC address routing information of each site except a destination site in a unicast manner to a customer edge node that corresponds to each site on the virtual private network. This solves the problem that CE nodes in sites on the virtual private network cannot exchange routing information with each other by using a routing protocol because multicast packets are filtered by an access node of the data center network. | 09-26-2013 |
20140023369 | METHOD, SYSTEM AND OPTICAL NETWORK DEVICE FOR SYNCHRONIZING TIME OF A PASSIVE OPTICAL NETWORK - The present invention relates to method for synchronizing time, apparatus and system. The method discloses an OLT generates a Passive Optical Network (PON) downstream frame from to an Optical Network Unit (ONU), wherein the PON downstream frame comprises a time synchronization message based on Ethernet protocol, wherein the time synchronization message comprises a time value that is referenced to a PON Media Access Control (MAC) control layer and that indicates the ONU to adjust a time of a clock coupled to the ONU; and send the PON downstream frame. | 01-23-2014 |
20140090029 | NETWORK ACCESS METHOD, AUTHENTICATION METHOD, COMMUNICATIONS SYSTEM AND RELEVANT DEVICES - A network access method, an authentication method, a communications system, and relevant devices are provided to support implicit authentication based on subscriber line information in Internet Protocol version 6 (IPv6). The authentication method includes: receiving a request message sent from an Access Node (AN), wherein the request message carries subscriber line information and a Link-Local Address (LLA); sending an access request to an Authentication, Authorization and Accounting (AAA) server according to the subscriber line information; receiving an authentication result indicating the authentication is successful; determining whether an address matching the LLA carried in the request has been stored in the BNG; and storing the LLA in the BNG, if the address matching the LLA is not stored in the BNG. | 03-27-2014 |
20140099097 | TROUBLESHOOTING METHOD, AGGREGATION NODE, AND OPTICAL NETWORK PROTECTION SYSTEM - Embodiments of the present invention disclose a troubleshooting method. The method includes: determining, by an aggregation node when a link fault or a device fault occurs on an OLT side, an active logical port used by the active OLT to forward a data packet; searching, by the aggregation node, a locally stored logical port mapping table according to the active logical port to obtain a standby logical port corresponding to the active logical port, where the standby logical port supports a same user service as the active logical port; and triggering, by the aggregation node, the standby OLT to enable the standby logical port to receive a data packet that is sent by the standby OLT through the standby logical port. The implementation of the present invention can provide utmost compatibility with the live network and enable a communication link to recover from a fault quickly. | 04-10-2014 |
20140143428 | Method, Apparatus, and Edge Node Controller for Allocating Edge Node - A method, an apparatus, and an edge node controller for selecting an edge node. The edge node controller receives a service request message including a subscriber identifier; obtains the subscriber identifier in the service request message; queries a first mapping relationship between the subscriber identifier and an edge node address according to the subscriber identifier to obtain an edge node address corresponding to the subscriber identifier; and returns a service response message including the edge node address. A subscriber identifier carried in a service request message is used to query a first mapping relationship to obtain an edge node address, and a service response message carrying an address of an edge node selected for a subscriber is delivered, thereby reducing a processing process of identifying different edge nodes by an external server, improving the processing efficiency, and reducing the implementation complexity. | 05-22-2014 |
20140233387 | METHOD AND DEVICE FOR LOAD BALANCE - The present invention relates to a method and device for a load balance. The device comprises: a selecting module, configured to select, according to a load state and fault state of each network edge node in a network edge node pool of an access network, a network edge node having the capacity of bearing a load to serve a user equipment from the network edge node pool when a message including information indicating that the user equipment intends to access a network is received; and a sending module, configured to send a message for indicating the selected network edge node to serve the user equipment to the selected network edge node. The method and device of the present invention can improve a utilization rate of a network edge node and lower the requirement for the capacity of the network edge node. | 08-21-2014 |
20140308038 | Method, Device, and Nested System for Allocating Uplink and Downlink Bandwidth - A method for allocating uplink and downlink bandwidth, includes: receiving, by a primary ONU, a primary PON downlink frame sent by a nested OLT, where the primary PON downlink frame carries a primary ONU uplink bandwidth grant and a secondary ONU uplink bandwidth grant; parsing, by the primary ONU, the primary PON downlink frame to acquire the primary ONU uplink bandwidth grant and the secondary ONU uplink bandwidth grant; and sending, by the primary ONU, a secondary PON downlink frame to a secondary ONU, where the secondary PON downlink frame carries the acquired secondary ONU uplink bandwidth grant. The present disclosure achieves an optimal overall performance for the two stages of PONs by considering general conditions of the two stages of PONs, and meanwhile ensures a maximum available bandwidth for the two stages of PONs during formulation of bandwidth grants. | 10-16-2014 |
20140314090 | Method and System for Forwarding Data in Layer-2 Network - A method for forwarding data in a layer-2 network is provided. A first node receives a first data packet including a customer destination MAC address and customer data; generates a second data packet including a source virtual MAC address, a destination virtual MAC address and at least part of the first data packet. The at least part of the first data packet includes the customer destination MAC address and the customer data. The source virtual MAC address is a virtual MAC address assigned to the first node, and the destination virtual MAC address corresponds to the customer destination MAC address. The virtual MAC address assigned to the first node includes a first virtual MAC address segment with a first mask, which indicates a virtual MAC address space including virtual MAC addresses of child nodes of the first node. Then the first node forwards the second data packet. | 10-23-2014 |
20140314413 | Access System, Communication Method and Device for Optical Fiber Network - Embodiments of the present invention provide an access system and a communication method for an optical fiber network. A virtual ONU located on a user side is established, and an ONU control plane function, a PON MAC function, and a QoS function on an existing ONU is moved downwards to a virtual ONU. After the forgoing function modules are removed from the existing ONU, the existing ONU becomes an ONU physical converter and only has a function of converting the PON physical layer frame and the first user side physical layer frame. | 10-23-2014 |