| Patent application number | Description | Published |
|---|
| 20080273471 | Terminal Device, System And Method For Measuring Traffic Based On User Services - A terminal device includes a service type distinguishing module and a traffic measuring module. The service type distinguishing module is adapted to distinguish types of services accessed by the terminal device; the traffic measuring module is adapted to measure the traffic of each service type according to the service types distinguished by the service type distinguishing module. The present disclosure also discloses a system and method for measuring traffic based on user services. With the technical scheme of the disclosure, traffic of different service types can be measured respectively on a terminal device, so that the charging system is able to apply different charging policies to different service types. | 11-06-2008 |
| 20080304830 | PASSIVE OPTICAL NETWORK, EQUIPMENT AND METHOD FOR SUPPORTING MULTICAST SERVICE - A Wavelength Division Multiplexed Passive Optical Network (WDM-PON), an Optical Line Terminal, an Optical Network Unit, a multiplexer/demultiplexer, and a method for realizing multicast service in the WDM-PON are disclosed. The WDM-PON and the method for realizing multicast service according to the present invention can transmit multicast service to be multicasted or broadcasted using a single wavelength, and thus the bandwidth resource of the system can be effectively saved and complexity of the system can be reduced. | 12-11-2008 |
| 20090175303 | LIGHT SOURCE MODE ALIGNMENT DEVICE AND METHOD, PASSIVE OPTICAL NETWORK SYSTEM - A light source mode alignment device and method and a passive optical network system are provided. The device includes a laser and a temperature control unit connected to each other and further includes a signal processing unit. The laser converts an incident light into a current signal. The current signal is amplified and converted into a voltage signal via a transimpedance amplifier. Together with a modulation signal generated by the signal processing unit, the voltage signal adjusts a bias voltage of the temperature control unit. | 07-09-2009 |
| 20100040369 | TIME SYNCHRONIZATION METHOD AND DEVICE IN PASSIVE OPTICAL NETWORK AND PASSIVE OPTICAL NETWORK - A time synchronization method and a time synchronization device in a passive optical network (PON), and a PON are provided. The method includes receiving a synchronization packet sent after time synchronization of an optical line terminal (OLT) with a master clock (MC) is achieved, wherein the synchronization packet carries a timestamp TMt | 02-18-2010 |
| 20100142955 | Optical line terminal, passive optical network and radio frequency signal transmission method - An optical line terminal, a passive optical network and a radio frequency signal transmission method in the communication technical field are provided. The passive optical network comprises: an OLT, an ODN and at least one ONU. The OLT comprises: at least one transmitting unit, which provides one dedicated downstream optical carrier and two dedicated upstream optical carriers for ONU; the two dedicated optical carriers for ONU are configured to carry ONU upstream radio frequency signals; a multiplexing/demultiplexing unit; and at least one receiving unit which obtains the upstream signal from the demultiplexed upstream optical signal. The bandwidth of wireless access network is enhanced, and the design of ONU is simple. | 06-10-2010 |
| 20110081144 | OPTICAL ELEMENT MODULE, OPTICAL NODE,OPTICAL DISTRIBUTION SYSTEM, AND MANAGEMENT METHOD - An optical element module, an optical node, an optical distribution system, and a management method are disclosed. The optical element module includes: at least one passive optical element, at least one fiber adapter, a power interface, and a state detecting unit, where the passive optical element is configured to distribute and/or process an optical signal that can proceed even without power supply; the fiber adapter is configured to connect a fiber connector and provide a fiber port to couple a fiber; the power interface is connected to a power cable or a power bus and configured to feed power from the power cable or power bus to the state detecting unit; and the state detecting unit, if powered, is configured to respond to a connection state change of the fiber in the fiber adapter and output a state indication that indicates the state of the fiber port. | 04-07-2011 |
| 20110110664 | METHOD, DEVICE AND SYSTEM FOR MANAGING INFORMATION OF AN OPTICAL NODE IN AN OPTICAL DISTRIBUTION NETWORK - The present invention discloses a method, device and system for managing information of an optical node in an optical distribution network, relates to management of information of an optical node in an optical distribution network, is capable of solving the problem of manual entry of information of an optical node being cumbersome, and is not limited by installation locations of the optical node. The method for managing information of an optical node in an optical distribution network includes: obtaining an identity code of an optical node; querying a pre-established optical node information table according to the identity code of the optical node, wherein the optical node information table comprises the identity code of the optical node and the installation location information of the optical node. The present invention is suitable for management of information of an optical node in an optical distribution network. | 05-12-2011 |
| 20110150476 | DELAY CONTROL METHOD IN PASSIVE OPTICAL NETWORK, AN OPTICAL LINE TERMINAL AND A PASSIVE OPTICAL NETWORK - A method for controlling delay in a Passive Optical Network (PON) is applicable when a Precision Timing Protocol (PTP) message is transmitted in a downlink direction. The method includes obtaining a buffer duration of the PTP message destined for an Optical Network Unit (ONU), storing the PTP message destined for the ONU, and sending the PTP message to the ONU when a duration for storing the PTP message reaches the buffer duration. | 06-23-2011 |
