Abstract: Disclosed is a method and device for generating terrain data for terrain analysis. The method may include identifying first data including (i) identification information indicating whether there is a structure in a predetermined area and the number of structures and (ii) a topographic altitude of the predetermined area, identifying, if there is a structure in the predetermined area, second data including a highest altitude of the structure and a depth of the structure, and mapping the first data and the second data to terrain data of the predetermined area.

Abstract: Provided is a method of assessing an interference effect, the method including setting, to determine an interference effect exerted by at least one communication device of a first wireless communication network on a fixed communication device previously arranged in a second wireless communication network, a parameter associated with the communication device of the first wireless communication network and the communication device of the second wireless communication network, generating, for each snapshot, an arrangement state of the communication device of the first wireless communication network arranged based on the communication device of the second wireless communication network, and assessing an interference effect of the communication device of the first wireless communication network on the communication device of the second wireless communication network on a time-by-time basis.

Abstract: Disclosed herein are a method and apparatus for analyzing interference in the time-space dimensions. The apparatus includes an evaluation area partition unit configured to partition an evaluation area into lattices in order for a receiver to determine whether a permitted interference level at which interference needs to be accepted is satisfied or not and an interference analysis unit configured to spatially evaluate the amount of interference in each of the lattices based on a result of temporal evaluation of the amount of interference in each of the lattices.

Abstract: Disclosed herein are a method and apparatus for analyzing interference in the time-space dimensions. The apparatus includes an evaluation area partition unit configured to partition an evaluation area into lattices in order for a receiver to determine whether a permitted interference level at which interference needs to be accepted is satisfied or not and an interference analysis unit configured to spatially evaluate the amount of interference in each of the lattices based on a result of temporal evaluation of the amount of interference in each of the lattices.

Abstract: The present invention relates to a method of analyzing interference between heterogeneous wireless communication systems, including receiving, by an interference analysis unit, interference parameters from a parameter input unit; receiving, by the interference analysis unit, polarized information from a polarized information input unit and calculating a Polarized Mismatch Loss Factor (PMLF) between a transmission antenna of an interference transmitter and a reception antenna of a victim receiver; and analyzing, by the interference analysis unit, an interference influence of the interference transmitter on the victim receiver based on the interference parameters and the PMLF. In accordance with the present invention, an interference influence between heterogeneous wireless communication systems using different polarized waves can be precisely analyzed by incorporating a loss characteristic according to a polarized mismatch between transmission and reception antennas into the interference influence.

Abstract: A method may include distributing a interfered terminal; calculating an initial signal-to-interference power ratio and a data throughput of the interfered terminal; distributing interfering terminals and an interfering link base station; calculating a final transmitting power of the interfering terminal through power control between the interfering terminal and the interfering link base station; calculating a path loss and a collision factor between the interfered terminal and the interfering terminal; and calculating a final signal-to-interference power ratio and a data throughput of the interfered terminal. Accordingly, it is possible to analyze interference in consideration of a terminal use pattern in view of presence of hot spots, and to provide basic data for setting an effective emission transmitting power level of the terminal and a protection band between the terminals since the signal-to-interference power ratio and the data throughput can be calculated through interference analysis.

Abstract: The present invention relates to a zearalenone-inducible promoter originated from Gibberella zeae, recombinant vectors comprising the promoters, methods of producing proteins and detecting plants contaminated with zearalenone. The promoter of the present invention can be used for studying essential genes in fungus, characterizing the mechanism of self/nonself recognition in G. zeae, engineering of plant systems to generate plants that can recognize a G. zeae attack and detecting ZEA contamination as a biosensor.

Abstract: Provided is a method and apparatus for calculating an isolation distance that is a distance where an interference phenomenon does not occur between wireless repeater apparatuses. The isolation distance calculating apparatus may include: an interference signal calculator to calculate a magnitude of an interference signal included in a particular band by detecting a signal of the particular band extracted from a received radio signal of a wireless repeater apparatus; and an isolation distance calculator to calculate a necessary isolation distance for cancelling interference between the wireless repeater apparatus and another wireless repeater apparatus, based on a predetermined allowable interference signal level and the magnitude of the interference signal.

Abstract: A method may include distributing a interfered terminal; calculating an initial signal-to-interference power ratio and a data throughput of the interfered terminal; distributing interfering terminals and an interfering link base station; calculating a final transmitting power of the interfering terminal through power control between the interfering terminal and the interfering link base station; calculating a path loss and a collision factor between the interfered terminal and the interfering terminal; and calculating a final signal-to-interference power ratio and a data throughput of the interfered terminal. Accordingly, it is possible to to analyze interference in consideration of a terminal use pattern in view of presence of hot spots, and to provide basic data for setting an effective emission transmitting power level of the terminal and a protection band between the terminals since the signal-to-interference power ratio and the data throughput can be calculated through interference analysis.

Abstract: The present invention relates to a zearalenone-inducible promoter originated from Gibberella zeae, recombinant vectors comprising the promoters, methods of producing proteins and detecting plants contaminated with zearalenone. The promoter of the present invention can be used for studying essential genes in fungus, characterizing the mechanism of self/nonself recognition in G. zeae, engineering of plant systems to generate plants that can recognize a G. zeae attack and detecting ZEA contamination as a biosensor.

Abstract: Provided is a method and apparatus for calculating an isolation distance that is a distance where an interference phenomenon does not occur between wireless repeater apparatuses. The isolation distance calculating apparatus may include: an interference signal calculator to calculate a magnitude of an interference signal included in a particular band by detecting a signal of the particular band extracted from a received radio signal of a wireless repeater apparatus; and an isolation distance calculator to calculate a necessary isolation distance for cancelling interference between the wireless repeater apparatus and another wireless repeater apparatus, based on a predetermined allowable interference signal level and the magnitude of the interference signal.

Abstract: There is an apparatus for predicting wave propagation characteristic of a multiple antenna system, including: a transmission position calculator for calculating transmission positions of multiple transmitting antennas; a wave propagation path searcher for searching for a wave propagation path for each of a plurality of image antennas generated for each of said multiple transmitting antennas; a reflection electric field calculator for calculating a partial reflection electric field on the searched propagation path; and a received power calculator for calculating a received power based on the calculated partial reflection electric field.

Abstract: An apparatus and method of determining a modification of a wireless service use for spectrum liberalization is provided. When a licensee using a wireless service in a particular band desires to modify the wireless service use, the method of determining a modification of a wireless service use for spectrum liberalization may determine whether to modify the wireless service use through a worst-case interference check scheme and a Monte-Carlo interference check scheme.

Abstract: A method of computing a probability of interference in an overlay system and an underlay system, the method including: setting an input parameter corresponding to each of an interfered receiver, an interfering transmitter, an opposing transmitter, and a target receiver; computing a strength of a received signal, received in the interfered receiver from the opposing transmitter; computing a transmission signal level from a victim link in the interfering transmitter; determining whether the interfering transmitter transmits a signal in the overlay system; determining a transmission power of the interfering transmitter based on the computed transmission signal level in the underlay system; computing a strength of an interference signal depending on whether the interfering transmitter transmits the signal and the transmission power of the interfering transmitter; and computing the probability of interference using the computed strength of the received signal and the computed strength of the interference signal.

Abstract: Provided are a method for generating a two-dimensional orthogonal variable spreading code and a Multiple Input Multiple Output (MIMO) system using the same. The MIMO system can increase a communication capacity in an asynchronous multiple user system as well as a synchronous system in a wideband-Code Division Multiple Access (CDMA). The MIMO system includes: a transmitting block for temporally and spatially encoding a plurality of user data, spreading the user data into orthogonal channel signals, and transmitting them to antennas; and a receiving block for receiving the orthogonal channel signals and performing temporal and spatial decoding and despreading on them. Herein, the transmitting block includes: a space time code (STC) encoding unit for generating and outputting a predetermined number of STC streams; and a jacket orthogonal variable spreading function (JOVSF) channel code spreading unit for spreading the STC streams into orthogonal channel signals by using a JOVSF.

Abstract: There is an apparatus for predicting wave propagation characteristic of a multiple antenna system, including: a transmission position calculator for calculating transmission positions of multiple transmitting antennas; a wave propagation path searcher for searching for a wave propagation path for each of a plurality of image antennas generated for each of said multiple transmitting antennas; a reflection electric field calculator for calculating a partial reflection electric field on the searched propagation path; and a received power calculator for calculating a received power based on the calculated partial reflection electric field.

Abstract: Provided are a method for generating a two-dimensional orthogonal variable spreading code and a Multiple Input Multiple Output (MIMO) system using the same. The MIMO system can increase a communication capacity in an asynchronous multiple user system as well as a synchronous system in a wideband-Code Division Multiple Access (CDMA). The MIMO system includes: a transmitting block for temporally and spatially encoding a plurality of user data, spreading the user data into orthogonal channel signals, and transmitting them to antennas; and a receiving block for receiving the orthogonal channel signals and performing temporal and spatial decoding and despreading on them. Herein, the transmitting block includes: a space time code (STC) encoding unit for generating and outputting a predetermined number of STC streams; and a jacket orthogonal variable spreading function (JOVSF) channel code spreading unit for spreading the STC streams into orthogonal channel signals by using a JOVSF.