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81. 发明公开

US20230208025A1 METHOD AND APPARATUS FOR ESTIMATING CHANNEL IN COMMUNICATION SYSTEM 审中-公开
公开(公告)号：US20230208025A1
公开(公告)日：2023-06-29
申请号：US18086276
申请日：2022-12-21
申请人： Electronics and Telecommunications Research Institute
发明人： Young Seog SONG , Eun Young CHOI , Song NOH , Kyung Sik SEO
IPC分类号： H01Q3/16 , H04B7/06
CPC分类号： H01Q3/16 , H04B7/0617 , H04B7/0634
摘要： A method of estimating a channel of a base station in a communication system using an IRS may comprise: receiving a first signal through a direct path between a terminal and the base station from the terminal and a second signal through an indirect path through the IRS from the terminal; estimating a first angle of arrival of the second signal received from the IRS; estimating a second angle of arrival of a signal transmitted to the IRS by the terminal based on the estimated first angle of arrival; estimating a third angle of arrival of the first signal received from the terminal based on the estimated first angle of arrival; and estimating path gains on the direct path and the indirect path based on the estimated first angle of arrival to the estimated third angle of arrival.

82. 发明授权

US11624765B2 Test device and a test method 有权
公开(公告)号：US11624765B2
公开(公告)日：2023-04-11
申请号：US17159712
申请日：2021-01-27
申请人： ANRITSU CORPORATION
发明人： Tomohiko Maruo , Hiroyuki Baba , Masafumi Setsu
IPC分类号： G01R29/10 , G01R29/08 , H04B17/00 , H01Q3/16
摘要： A test device 1 that measures the transmission properties or reception properties of the test object 100 having the test antenna 110, and includes an anechoic box 50, a plurality of test antennas 6 that transmit or receive radio signals to or from the antenna, under tests, a posture changeable mechanism 56 that changes the posture of the test object arranged in the quiet zone QZ, a measurement device 2 that measures the transmission properties or reception properties of the test object with respect to the test object whose posture is changed by the posture changeable mechanism using the test antenna, and the reflector 7 that radio signal is reflected. The plurality of test antennas include a reflection type test antenna 6a and the plurality of direct-type test antennas 6b, 6c, 6d.

83. 发明申请

US20220294117A1 ANTENNA DEVICE 有权
公开(公告)号：US20220294117A1
公开(公告)日：2022-09-15
申请号：US17636445
申请日：2019-08-19
申请人： Seiki CHIBA , Mikio WAKI , ZEON CORPORATION
发明人： Seiki CHIBA , Mikio WAKI , Keisuke OGUMA , Shinji OZAWA
IPC分类号： H01Q9/14 , H01Q15/18 , H01Q19/10 , H01Q19/30 , H01Q3/16
摘要： The antenna device A1 includes an antenna 1 configured to transmit and/or receive radio waves, and a dielectric elastomer drive element 2 including a dielectric elastomer layer 21 and a pair of electrode layers 22 sandwiching the dielectric elastomer layer 21. The dielectric elastomer drive element is capable of changing an antenna characteristic of the antenna 1. With such a configuration, the antenna device can be made smaller and lighter while improving its antenna characteristics.

84. 发明申请

US20220094051A1 ADJUSTABLE REFLECTOR ANTENNAS 有权
公开(公告)号：US20220094051A1
公开(公告)日：2022-03-24
申请号：US17477312
申请日：2021-09-16
申请人： CommScope Technologies LLC
发明人： MUHAMMED AMEER P , SHITAL UDAGAVE
IPC分类号： H01Q3/16 , H01Q21/26 , H01Q3/06
摘要： A base station antenna includes first and second reflectors that are movable relative to each other, and each of the first and second reflectors includes a plurality of radiating elements on a main reflector surface thereof. A third reflector is movably coupled to the first and second reflectors, and movement of the third reflector causes the first and second reflectors to move relative to each other. A drive mechanism is utilized to move the third reflector and includes a drive shaft, an actuator configured to rotate the drive shaft, and a threaded shaft coupled to the drive shaft and configured to rotate in response to rotation of the drive shaft. Rotational movement of the threaded shaft causes linear movement of the third reflector. A control unit, such as a remote electrical tilt (RET) controller controls the actuator to rotate the driveshaft.

85. 发明授权

US10381724B2 Two-dimensional scanning cylindrical reflector 有权
公开(公告)号：US10381724B2
公开(公告)日：2019-08-13
申请号：US16161150
申请日：2018-10-16
申请人： International Business Machines Corporation
发明人： Danny Elad , Daniel Friedman , Noam Kaminski , Ofer Markish , Alberto Valdes Garcia
IPC分类号： H01Q15/14 , H01Q3/18 , H01Q3/12 , H01Q3/16 , H01Q3/26 , H01Q19/17
摘要： A parabolic cylindrical reflector antenna that comprises two or more antenna feeds each directed towards a parabolic cylindrical reflector, wherein the antenna feeds are positioned in one or more line-arrays parallel to a focal line of the parabolic cylindrical reflector, and the line-array is substantially centered opposing the reflector. The antenna comprises a controller configured to scan along a straight edge of the reflector by electronically adjusting a phase of each of the antenna feeds, thereby changing the incident angle of an energy beam relative to the reflector. The controller is configured to scan along a curved edge of the reflector by moving, using a mechanical positioning mechanism, the antenna feeds in a direction parallel to a directrix of the reflector while maintaining the positioning or by electronically selecting one of two or more parallel line-arrays.

86. 发明申请

US20180102590A1 ANTENNA DEVICE 审中-公开
公开(公告)号：US20180102590A1
公开(公告)日：2018-04-12
申请号：US15727858
申请日：2017-10-09
申请人： Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
发明人： Alfred EBBERG , Ulrich HOFMANN , Winfried SCHERNUS , Frank SENGER
IPC分类号： H01Q3/08 , H01Q3/16 , H01Q1/36
CPC分类号： H01Q3/08 , H01Q1/3233 , H01Q1/36 , H01Q1/38 , H01Q3/16 , H01Q15/02 , H01Q15/14 , H01Q21/061
摘要： The invention relates to an antenna device having at least one antenna element. The antenna element is implemented so as to emit electromagnetic radiation in a beam direction advantageously at frequencies in the GHz range and/or receive same from a beam direction. In addition, the antenna element is arranged on a carrier element which is arranged relative to a holding element. In addition, the carrier element is movable relative to the holding element.

87. 发明授权

US09935376B2 Antenna reflector system 有权
公开(公告)号：US09935376B2
公开(公告)日：2018-04-03
申请号：US14575302
申请日：2014-12-18
申请人： IDAC HOLDINGS, INC.
发明人： Philip J. Pietraski , Robert A. DiFazio , Robert L. Olesen
IPC分类号： H01Q3/00 , H01Q15/00 , H01Q15/08 , H01Q15/14 , H01Q19/19 , H01Q3/18 , H01Q3/16
CPC分类号： H01Q15/0086 , H01Q3/16 , H01Q3/18 , H01Q15/08 , H01Q15/14 , H01Q19/191
摘要： A scan range of a steerable antenna is extended using a reflecting surface or surfaces within the scan range. Various implementations may also include lenses, and the reflecting surface, lenses, or both may include meta-materials. The antenna may be steered to interact with the reflecting surface, lenses, or both to reflect the beam in a direction not possible using the antenna alone. The scan range may be extended in azimuth, elevation, or both, and beam pattern, and antenna freespace impedance may be controlled.

88. 发明授权

US09653801B2 Selectable low-gain/high-gain beam implementation for VICTS antenna arrays 有权
公开(公告)号：US09653801B2
公开(公告)日：2017-05-16
申请号：US14104466
申请日：2013-12-12
申请人： ThinKom Solutions, Inc.
发明人： William Milroy
IPC分类号： H01Q3/16 , H01Q3/04 , H01Q3/32 , H01Q21/00 , H01Q25/00 , H01Q15/24
CPC分类号： H01Q3/16 , H01Q3/04 , H01Q3/32 , H01Q15/24 , H01Q21/0031 , H01Q25/002
摘要： An antenna array employing continuous transverse stubs as radiating elements includes a first conductive plate structure including a first set of continuous transverse stubs arranged on a first surface, and a second set of continuous transverse stubs arranged on the first surface, wherein a geometry of the first set of continuous transverse stubs is different from a geometry of the second set of continuous transverse stubs. A second conductive plate structure is disposed in a spaced relationship relative to the first conductive plate structure, the second conductive plate structure having a surface parallel to the first surface. A relative rotation apparatus imparts relative rotational movement between the first conductive plate structure and the second conductive plate structure.

89. 发明申请

US20150138018A1 ARRAY-FED REFLECTOR ANTENNA DEVICE AND METHOD OF CONTROLLING THIS DEVICE 有权
标题翻译：阵列反射器天线装置及其控制方法
公开(公告)号：US20150138018A1
公开(公告)日：2015-05-21
申请号：US14400333
申请日：2013-03-14
申请人： MITSUBISHI ELECTRIC CORPORATION
发明人： Shinichi Yamamoto , Yoshio Inasawa
IPC分类号： H01Q3/16
CPC分类号： H01Q3/16 , H01Q3/02 , H01Q3/18 , H01Q3/20 , H01Q3/34 , H01Q19/12 , H01Q19/17 , H01Q21/22 , H01Q25/007
摘要： A beam direction controlling unit includes a relative position determining unit that determines a relative position between a reflector antenna and an array antenna by controlling a driver in such a way that a range on the array antenna onto which a parallel light beam from a desired beam direction is projected is a range in which element antennas are arranged, an excitation element selector that selects, as element antennas to be excited, element antennas onto which the parallel light beam is projected at the determined relative position, an excitation amplitude phase determining unit that sets an excitation amplitude phase of the selected element antennas, and sets the excitation amplitude phase to an excitation amplitude phase controller, and a transmitter receiver connecting unit that connects the selected element antennas to a transmitter receiver.
摘要翻译：光束方向控制单元包括相对位置确定单元，该相对位置确定单元通过控制驱动器来确定反射器天线和阵列天线之间的相对位置，使得阵列天线上的距离为期望的波束方向的平行光束激励元件选择器，其选择作为要激励的元件天线的激励元件选择器，在所确定的相对位置上投射平行光束的元件天线;激励振幅相位确定单元，其设置所选择的元件天线的激励振幅相位，并将激励振幅相位设置为激励振幅相位控制器，以及将选择的元件天线连接到发射机接收机的发射机接收机连接单元。

90. 发明授权

US06944433B2 Portable telephone apparatus that can attain directivity of antenna which optimizes reception state from base station 失效
标题翻译：能够实现从基站优化接收状态的天线方向性的便携式电话设备
公开(公告)号：US06944433B2
公开(公告)日：2005-09-13
申请号：US09828411
申请日：2001-04-06
申请人： Tooru Ogino
发明人： Tooru Ogino
IPC分类号： H01Q19/18 , H01Q1/24 , H01Q3/16 , H01Q19/00 , H01Q19/22 , H01Q19/28 , H04B7/10 , H04B7/26 , H04Q7/32 , H04B1/06
CPC分类号： H01Q19/28 , H01Q1/244 , H01Q19/005
摘要： A portable telephone apparatus, includes a body and an antenna section. The antenna section includes an antenna element, and a plurality of reflectors provided near the antenna element. The antenna section is provided at a end side where a microphone is provided of the body.
摘要翻译：便携式电话设备包括主体和天线部分。天线部分包括天线元件和设置在天线元件附近的多个反射器。天线部设置在主体的麦克风的端部侧。

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