Class / Patent application number | Description | Number of patent applications / Date published |
342360000 | Including antenna pattern plotting | 12 |
20090085805 | NULL-FILL ANTENNA, OMNI ANTENNA, AND RADIO COMMUNICATION EQUIPMENT - A wide-angle null-fill antenna with no null in the depression angle range, an omni antenna using the same, and radio communication equipment. A null-fill antenna comprises a first antenna array including antenna elements arranged with a prescribed point as the center, and a second antenna array having amplitude characteristics substantially equal to those of the antenna elements forming the first antenna array. The first antenna array is excited so that the excitation amplitude distribution is to have symmetry with respect to the prescribed point, while the excitation phase distribution is to have point symmetry with respect to the prescribed point. The phase center of the first antenna array is substantially coincident with that of the second antenna array. | 04-02-2009 |
20090243930 | Method of generating better communication direction - The invention discloses a method for generating better communication direction. The method comprises the following steps of: (a) positioning a first communication device to obtain a first position; (b) positioning a second communication device to obtain a second position; (c) associating the first position with the second position to obtain a relative direction; (d) defining a first reference direction according to a first antenna pattern of the first communication device; (e) calculating a first angle between the relative direction and the first reference direction; and (f) adjusting the first communication device toward the relative direction according to the first angle. Accordingly, the first communication device can perform communication in better communication direction. | 10-01-2009 |
20100045529 | Antenna Positioning Method And Antenna Mounting Device For Communication Device, And Antenna Device - In an antenna positioning method for a communication device that performs communication using a plurality of antennas positioned on a straight line, the method has a first step of measuring radiation pattern characteristics of each antenna, a second step of detecting a direction in which fluctuation of the radiation pattern characteristics of each antenna is large, and a third step of positioning each antenna in the communication device so that the direction in which the characteristic fluctuation is large matches the straight line direction. | 02-25-2010 |
20100073231 | NULL-FILL ANTENNA, OMNI ANTENNA, AND RADIO COMMUNICATION EQUIPMENT - A wide-angle null-fill antenna with no null in the depression angle range, an omni antenna using the same, and radio communication equipment. A null-fill antenna comprises a first antenna array including antenna elements arranged with a prescribed point as the center, and a second antenna array having amplitude characteristics substantially equal to those of the antenna elements forming the first antenna array. The first antenna array is excited so that the excitation amplitude distribution is to have symmetry with respect to the prescribed point, while the excitation phase distribution is to have point symmetry with respect to the prescribed point. The phase center of the first antenna array is substantially coincident with that of the second antenna array. | 03-25-2010 |
20100149038 | Portable Millimeter-Wave Near Field Scanner - There is disclosed an apparatus to test an antenna. A transmitter generates a test signal radiated by the antenna under test. A near field scanner includes a field sampling probe to capture electromagnetic energy radiated by an antenna under test. An x-y positioning system including x and y positioning motors moves the field sampling probe over a measurement surface disposed proximate to the antenna under test. A quasi-optical beam transport system couples at least a portion of the captured electromagnetic energy from the field sampling probe to a scanner output port. A receiver is coupled to the scanner output port. | 06-17-2010 |
20100271262 | METHOD AND ARRANGEMENT FOR MEASURING THE DIRECTIONAL CHARACTERISTIC OF AN ANTENNA TO BE TESTED - A method of measuring a directional graph of a test antenna includes disposing a plurality of measuring probes relative to the test antenna, each being disposed at a different first predetermined height above a reference plane; disposing the test antenna at a second predetermined height above the reference plane; measuring transmission characteristics relative to the test antenna between each of the plurality of measuring probes and the test antenna; determining prevailing scatter characteristics of the reference plane; and determining the directional graph of the test antenna using the prevailing scatter characteristics. | 10-28-2010 |
20110267232 | NULL-FILL ANTENNA, OMNI ANTENNA, AND RADIO COMMUNICATION EQUIPMENT - A wide-angle null-fill antenna with no null in the depression angle range, an omni antenna using the same, and radio communication equipment. A null-fill antenna comprises a first antenna array including antenna elements arranged with a prescribed point as the center, and a second antenna array having amplitude characteristics substantially equal to those of the antenna elements forming the first antenna array. The first antenna array is excited so that the excitation amplitude distribution is to have symmetry with respect to the prescribed point, while the excitation phase distribution is to have point symmetry with respect to the prescribed point. The phase center of the first antenna array is substantially coincident with that of the second antenna array. | 11-03-2011 |
20120062419 | APPARATUS AND METHOD FOR ANALYZING RADIO WAVE PROPAGATION IN RADIO WAVE SYSTEM - An apparatus for analyzing radio wave propagation in a radio wave system includes: an identification unit configured to search and identify all objects existing in a service area in which users are provided with services; a construction unit configured to calculate a relative position between the identified objects and acquire a radio wave propagation model based on visibility at respective objects; and an analysis unit configured to apply the radio wave propagation model to ray tracing dynamically and analyze radio wave propagation in the service area. | 03-15-2012 |
20130093622 | METHOD AND SOFTWARE FOR SPATIAL PATTERN ANALYSIS - A method and software implementation for spatial pattern analysis. A user-guided test procedure is implemented to measure features of an antenna under test to determine the antenna's far-field patterns. The antenna features include RF amplitude or phase, and position and orientation relative to a receiving object. | 04-18-2013 |
20130214971 | System And Method For Antenna Pattern Estimation - The present invention is directed to a system and method for extrapolating antenna radiation patterns from a small number of measurements. The present invention is configured to derive an initial estimate based on design information and compare the initial estimate to far-field measurements. The controller is configured to recursively obtain a final estimate wherein a difference between the far-field measurements and the final estimate is less than a predetermined amount. The final estimate represents an extrapolated mapping of the antenna pattern. | 08-22-2013 |
20130307726 | Method and System for Predicting Energy On Target - Methods and systems are disclosed for performing energy-on-target simulations for targeted regions to predict power or energy levels incident within the targeted region resulting from transmissions of a specific transmitting platform. Models may be used of a transmitting platform, a receiving platform, and a channel between the transmitting platform and the receiving platform to perform the simulation. In some embodiments, a plot may be generated of the energy-on-target results. | 11-21-2013 |
20150061935 | METHOD AND APPARATUS FOR MODELING RADIO WAVE ENVIRONMENT - A method of modeling a radio wave environment, the method being executed by a radio wave environment modeling apparatus using a group of intelligent robots includes measuring an intensity of radio waves received from at least one follower robot; measuring a distance between the at least one follower robot and a leader robot that belongs to the group of intelligent robots; and estimating an environment parameter using a wave model. Further, the method includes classifying the environment parameter estimated from at least one lattice by comparing the estimated environment parameter with predetermined environment parameters; and analogizing an intensity of radio waves of the at least one follower robot that are received from the at least one lattice. | 03-05-2015 |