Abstract: Proposed is an efficient method of configuration of a transmitter and a receiver for realizing an optical transmission/reception module apparatus including at least one transmission wavelength and two or more reception wavelengths over a time division multiple access passive optical network or an optical network using multiple transmission/reception wavelengths. Further, proposed is a method of configuration of an apparatus which enables optical alignment and assembly in a single package by using a single lens and three different WDM optical filters for a reception module capable of receiving four wavelengths.

Abstract: A distributed packet processing apparatus capable of distributing packet load across a plurality of packet processing engines is provided. The distributed packet processing apparatus includes a plurality of processing engines each configured to process allocated packets, a first tag generating unit configured to allocate an input packet to a processing engine, which has a processing engine index corresponding to a tag index for the input packet, among the plurality of processing engines, a second tag generating unit configured to calculate a tag index for an output packet, and an index conversion unit configure to convert the tag index for the output packet to one processing engine index among a plurality of processing indexes for the plurality of the processing engines and allocates the output packet to a processing engine having the one processing engine index such that loads are distributed among the plurality of processing engines.

Abstract: Provided are an analysis method and system for audience rating and advertisement effects based on viewing behavior recognition including a method of recognizing a viewer on the basis of image recognition through a camera and efficiently collecting data and a method of transmitting collected data on the basis of viewer recognition to an audience rating and advertisement effect measurement server. The present invention includes a viewing behavior measurement device configured to receive a viewer image obtained by imaging one or more viewers who are viewing broadcast content, recognize the one or more viewers from the received viewer image to generate viewing behavior information, and deliver the generated viewing behavior information, and an advertisement effect measurement server configured to analyze an advertisement effect for each viewer on the basis of the received viewing behavior information and generate and deliver an advertisement effect measurement result.

Abstract: Disclosed is an optical line terminal for monitoring and controlling upstream and downstream optical signals, and more particularly, to an optical line terminal for monitoring and controlling upstream and downstream optical signals, which adds different low frequency monitoring signals to upstream and downstream wavelength division multiplexing optical signals in a bidirectional wavelength division multiplexing (WDM) optical network and senses and detects low frequency components of upstream and downstream optical signals to unite, monitor, and control optical outputs and wavelengths of the upstream and downstream wavelength division multiplexing optical signals into a single system.

Abstract: When a handover apparatus of a user terminal enters a small scale cell within a macrocell area in a state that it is connected to a macrocell, the handover apparatus acquires a delay parameter of the small scale cell and delays handover for a time period of the delay parameter of the small scale cell and determines handover to the small scale cell. Thereby, handover to the small scale cell for a temporal user of the small scale cell can be reduced.

Abstract: The present invention relates to a method for reducing an average time period adopted at the time of evaluating an effect of electromagnetic fields of a mobile communication base station near the mobile communication base station on a human body and measurement is performed for 6 minutes at a predetermined measurement point for acquiring a whole body average by comparing a site measurement result targeting multiple base stations and uncertainty by repetitive measurement and when a 6-minute average value and an average value for a reduced time period which is shorter than 6 minutes are compared with each other, a standard deviation is equal to or lower than a predetermined level, e.g., 0.4 dB, it is sufficient even by the measurement for the reduced time period which is shorter than 6 minutes.

Abstract: A vessel messenger service apparatus includes: a vessel messenger service unit for providing messenger service between vessel, converting a local message from a vessel client into a global message to be transmitted to a land client, converting a message generated from the land client into a local message and providing the converted local message to the vessel client; and a vessel maintenance service unit for providing a remote vessel maintenance service and a messenger service between the vessel client and the land client by interworking with a unified vessel maintenance service unit on land. The apparatus further includes a database managing unit for managing information for the vessel client and the land client.

Abstract: Disclosed are an apparatus and a method for swapping headers for authenticating policy based domains and tracing paths at the time of high-reliable data plane transmission. The method includes receiving packets forwarded through predetermined paths, confirming whether the received packets are normal packets, determining whether the path identification information corresponding to the paths of the received packets is present in a header information storage unit of a domain receiving the packets, swapping the headers included in the packets to swapping headers of the header information storage unit by using the identification information if it is determined that the path identification information is present, and correcting the path tracing information. By this configuration, degradation in data plane performance due to the lengths of headers can be solved.

Abstract: An antenna includes: a dielectric resonator surrounded by a via fence within a multilayered substrate; a patch antenna formed on an opening surface of the dielectric resonator; a coupling aperture formed on an internal ground surface within the multilayered substrate; and a feeding line for transferring a signal applied from the outside.

Abstract: A low cost error-based program testing apparatus and method are provided. The testing apparatus according to an embodiment of the present invention generates error programs by adding errors to a test target program, selects a test target error program associated with test data among the error programs using error information obtained through the error addition, receives the test data to execute the test target error program, and tests for presence/absence of the errors. Accordingly, it is possible to reduce a text execution time and testing costs.

Abstract: A method of a base station transmitting Multicast Broadcast Service (hereinafter referred to as MBS) includes transmitting MBS configuration information, including information about an MBS region which is a resource region to which MBS-related information is allocated and information about an MBS MAP, to a terminal and transmitting MBS data to the terminal through the MBS region. The information about the MBS region includes location information and a transmission parameter of the MBS region. The MBS MAP includes an MBS configuration information change indication which indicates whether the MBS configuration information is expected to change from first MBS configuration information to second MBS configuration information. MBS is effectively and persistently managed in a mobile wireless communication system supporting MBS.

Abstract: A waveguide feedthrough for broadband electromagnetic wave attenuation is provided in an electromagnetic wave shielding structure, in which data processing and communication devices are installed, so that a plurality of optical cables or the like which are connected to data processing and communication devices are led into the electromagnetic wave shielding structure through the waveguide feedthrough. Thereby, broadband electromagnetic waves generated from external other devices can be prevented from entering the electromagnetic wave shielding structure. For this, the waveguide feedthrough includes a waveguide feedthrough body which is made of conductive material and has a through hole therein, and an electromagnetic wave absorber which is provided on an inner side surface of the through hole.

Abstract: A multi-frame data processing apparatus and method using frame disassembly is provided. The multi-frame data apparatus includes a data communication unit, a frame processing unit, and a data processing unit The data communication unit receives a transmission signal from a Line Adaptation Unit (LAU). The frame processing unit disassembles each frame of the transmission signal and acquires information data that is included in the transmission signal. The data processing unit transfers the information data to an Algorithm Processing Unit (APU), and acquires processed information data that is obtained by processing the information data via the APU based on a corresponding algorithm.

Abstract: Provided is a transistor outline (TO)-CAN type optical module and an optical transmission apparatus including the same. The optical module includes a stem, a thermo-electric cooler (TEC) on the stem, a first sub-mount on the TEC, an optical element on the first sub-mount, a plurality of electrode lead wirings inserted from an outside to an inside of the stem and disposed adjacent to the TEC and the optical element, a second sub-mount between the electrode lead wirings and the optical element, radio frequency (RF) transmission lines on the second sub-mount, a plurality of bonding wires connecting the RF transmission lines and the optical element, and the RF transmission lines and the electrode lead wirings, and an impedance matching unit disposed around the RF transmission lines and the electrode lead wirings, and controlling impedances of the RF transmission lines and the electrode lead wires.

Abstract: A wireless charging apparatus is provided. The wireless charging apparatus includes: an antenna that receives electrical waves; at least two charging power generators that generate charging power for charging a battery using the electrical waves received through the antenna; and a controller that senses a frequency of the electrical waves received through the antenna and that activates one of the at least two charging power generators according to a sensed result.

Abstract: A method of operating a root node in which the root node transmits/receives traffic with a plurality of leaf nodes through a plurality of working paths is disclosed, the method including receiving, from a first leaf node, a first signal failure (SF) message indicating an occurrence of a failure on a first working path of the first leaf node, receiving traffic from the first leaf node by switching the first working path to a first protection path, and receiving traffic from remaining leaf nodes aside from the first leaf node while maintaining the working path.

Abstract: Provided is a method of manufacturing a ridge waveguide type semiconductor laser diode, the method including sequentially forming, on a substrate, a lower clad layer, an active layer, a first upper clad layer, and a second upper clad layer; forming an insulating mask on the second upper clad layer; wet-etching the second upper clad layer by using the insulating mask to form channels passing through the second upper clad layer and a ridge between the channels; and performing dry-etching by using the insulating mask to form trenches that are extended from the channels and pass through the first upper clad layer.

Abstract: The present invention relates to a resource allocation apparatus and method. The resource allocation apparatus includes a job information management unit for managing job characteristic information required to execute jobs input by a user. A resource form selection unit selects an initial resource allocation form required to execute each job, based on the job characteristic information. A resource allocation unit allocates resources required to execute the job based on the initial resource allocation form.

Abstract: A method and system that can completely delete garbage data in a distributed network system are provided. Because it is impossible to initially access a data server, data to delete is not deleted, and thus when a garbage file is generated, a generated garbage file can be completely deleted. In this case, by performing a deletion operation of a garbage file in a distributed data server unit, operation efficiency can be maximized.

Abstract: An apparatus for making a plurality of terminals have a random access to the reverse common channel system in CDMA, comprises code synchronization detection information broadcast means provided in the base station for broadcasting the state information of a channel card in real time for the terminals to recognize the code synchronization detection when the code synchronization of a certain data is acquired through performing the code synchronization of the preambles transmitted from the terminals through the reverse common channel, and data transmission determination means provided in the terminals for making the terminals to have attempted data transmission in the same time slot with the data of the code synchronization detection continuously transmit data and the other terminals stop data transmission.