公开(公告)号：US20140334565A1

公开(公告)日：2014-11-13

申请号：US14269962

申请日：2014-05-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ioannis Tzanidis ,  George Zohn Hutcheson ,  Yang Li ,  Jungsuek Oh ,  Wonbin Hong ,  Gary Xu ,  Jianzhong Zhang

IPC: H04B7/04

CPC classification number: H04B7/0456 ,  H01Q1/246 ,  H01Q3/267 ,  H01Q21/0006 ,  H01Q21/062 ,  H01Q21/065 ,  H01Q21/20 ,  H01Q25/04

Abstract: In a Multiple Input Multiple Output (MIMO) system, an apparatus and method includes a Tightly Coupled Array antennas (TCA) or Current Sheet Antennas (CSA). Far-field radiation patterns from any current sheet antenna are formed from the combination of the fields generated by a set of currents on the CSA of array port orthogonal modes, such as the Characteristic Modes (CM). The CM currents are generated by excitation of the CSA element ports with corresponding orthogonal voltages or currents (eigenvectors). Since the radiation patterns of the characteristic modes are orthogonal and uncorrelated, multiple signals may be propagated along the radiation patterns of the characteristic modes, each signal using a different characteristic mode or a different set of characteristic modes. Therefore, a CSA antenna utilizing array port orthogonal modes such as array port characteristic modes can support MIMO communications despite the strong mutual coupling among the antenna elements.

Abstract translation: 在多输入多输出（MIMO）系统中，装置和方法包括紧耦合阵列天线（TCA）或当前天线（CSA）。 来自任何当前片材天线的远场辐射图形由阵列端口正交模式（例如特征模式（CM））的CSA上的一组电流产生的场的组合形成。 通过用对应的正交电压或电流（特征向量）激发CSA元件端口来产生CM电流。 由于特征模式的辐射图是正交的和不相关的，所以可以沿特征模式的辐射图形传播多个信号，每个信号使用不同的特征模式或不同的特征模式集合。 因此，利用阵列端口正交模式（如阵列端口特征模式）的CSA天线可以支持MIMO通信，尽管天线元件之间存在强耦合。

公开(公告)号：US11824277B2

公开(公告)日：2023-11-21

申请号：US18152093

申请日：2023-01-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hamid Reza Memar Zadeh Tehran ,  Gary Xu ,  Won Suk Choi ,  Jianzhong Zhang

IPC: H01Q5/35 ,  H01Q21/06 ,  H01Q5/50 ,  H01Q9/04

CPC classification number: H01Q5/35 ,  H01Q5/50 ,  H01Q9/045 ,  H01Q21/065

Abstract: An antenna and a base station including the antenna. The antenna includes a sub-array that includes first and second unit cells and a feed network. The first and second unit cells comprise first and second patches, respectively, having quadrilateral shapes. The feed network comprises a first transmission line terminating below first corners of the first and second patches, respectively; a second transmission line terminating below third corners of the first and second patches, respectively; a third transmission line terminating below a second corner of the first patch and a fourth corner of the second patch; and a fourth transmission line terminating below a fourth corner of the first patch and a second corner of the second patch. The first corners are opposite the third corners on the respective first and second patches and the second corners are opposite the fourth corners on the respective first and second patches.

公开(公告)号：US11258187B2

公开(公告)日：2022-02-22

申请号：US16828667

申请日：2020-03-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hamid Reza Memar Zadeh Tehran ,  Shadi Abu-Surra ,  Gary Xu

IPC: H01Q21/06 ,  H01Q1/24 ,  H01Q21/00 ,  H01Q9/04

Abstract: An antenna array and a wireless communication device including the antenna array. The antenna array includes a plurality of unit cells and a termination unit cell. The plurality of unit cells are connected in series via respective transmission lines. Each of the unit cells include a microstrip patch having two insets on a diagonal axis of the microstrip patch. The microstrip patch is connected to two of the transmission lines at the two insets, respectively. The termination unit cell is connected in series to one of the plurality of unit cells via one of the transmission lines. The termination unit cell includes a microstrip patch having an inset on a diagonal axis of the microstrip patch. The microstrip patch is connected to the one transmission line at the inset.

公开(公告)号：US11171424B2

公开(公告)日：2021-11-09

申请号：US16820389

申请日：2020-03-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hamid Reza Memar Zadeh Tehran ,  Sung-Chul Park ,  Gary Xu

IPC: H01Q15/14 ,  H04B1/38 ,  H04M1/02 ,  H04B1/3827 ,  H01Q1/24

Abstract: A user equipment (UE) and a method of operating the UE. The UE includes a front surface, a rear surface, a transceiver, and a plurality of electromagnetic strips. The front surface includes a display and the rear surface includes a cover. The transceiver is between the display and the cover and is configured to transmit signals supporting vertical polarization and horizontal polarization. The plurality of electromagnetic strips are proximate to the cover and oriented to selectively tilt one of the horizontal polarization or the vertical polarization of the signals.

公开(公告)号：US11114763B2

公开(公告)日：2021-09-07

申请号：US17195401

申请日：2021-03-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hamid Reza Memar Zadeh Tehran ,  Gary Xu ,  Won Suk Choi ,  Jianzhong Zhang

IPC: H01Q21/06 ,  H01Q5/35 ,  H01Q5/50 ,  H01Q9/04

Abstract: An antenna and a base station including the antenna. The antenna includes a sub-array that includes first and second unit cells and a feed network. The first and second unit cells comprise first and second patches, respectively, having quadrilateral shapes. The feed network comprises a first transmission line terminating below first corners of the first and second patches, respectively; a second transmission line terminating below third corners of the first and second patches, respectively; a third transmission line terminating below a second corner of the first patch and a fourth corner of the second patch; and a fourth transmission line terminating below a fourth corner of the first patch and a second corner of the second patch. The first corners are opposite the third corners on the respective first and second patches and the second corners are opposite the fourth corners on the respective first and second patches.

公开(公告)号：US20180254839A1

公开(公告)日：2018-09-06

申请号：US15891244

申请日：2018-02-07

Applicant: Samsung Electronics Co., Ltd

Inventor： Jin Yuan ,  Yang Li ,  Gary Xu ,  Robert Monroe ,  Jianzhong Zhang ,  Sridhar Rajagopal

IPC: H04B17/12 ,  H04B1/40 ,  H04B7/04

Abstract: A method for a transceiver calibration and antenna array operation in a multi-input multi-output (MIMO) system. The method comprises sending a calibration signal and a pre-designed training sequence, via a coupling network, receiving a calibration signal and a pre-designed training sequence that is sent a the transceiver array in a time slotted pattern via a coupling network, generating an Rx calibration measurement (R1) based on one or more uplink signals received via antenna array and the coupling network, generating a Tx calibration measurement (T1) based on receipt of the calibration signal from each of antennas via the coupling network; and performing a joint Tx/Rx (TRx) calibration based on HR, R1, and T1, where H is a channel response in air interface, R is a channel response of receivers in transceiver array.

公开(公告)号：US09001917B2

公开(公告)日：2015-04-07

申请号：US14269962

申请日：2014-05-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ioannis Tzanidis ,  George Zohn Hutcheson ,  Yang Li ,  Jungsuek Oh ,  Wonbin Hong ,  Gary Xu ,  Jianzhong Zhang

IPC: H04B7/02 ,  H04L1/02 ,  H04B7/04

CPC classification number: H04B7/0456 ,  H01Q1/246 ,  H01Q3/267 ,  H01Q21/0006 ,  H01Q21/062 ,  H01Q21/065 ,  H01Q21/20 ,  H01Q25/04

Abstract: In a Multiple Input Multiple Output (MIMO) system, an apparatus and method includes a Tightly Coupled Array antennas (TCA) or Current Sheet Antennas (CSA). Far-field radiation patterns from any current sheet antenna are formed from the combination of the fields generated by a set of currents on the CSA of array port orthogonal modes, such as the Characteristic Modes (CM). The CM currents are generated by excitation of the CSA element ports with corresponding orthogonal voltages or currents (eigenvectors). Since the radiation patterns of the characteristic modes are orthogonal and uncorrelated, multiple signals may be propagated along the radiation patterns of the characteristic modes, each signal using a different characteristic mode or a different set of characteristic modes. Therefore, a CSA antenna utilizing array port orthogonal modes such as array port characteristic modes can support MIMO communications despite the strong mutual coupling among the antenna elements.

Abstract translation: 在多输入多输出（MIMO）系统中，装置和方法包括紧耦合阵列天线（TCA）或当前天线（CSA）。 来自任何当前片材天线的远场辐射图形由阵列端口正交模式（例如特征模式（CM））的CSA上的一组电流产生的场的组合形成。 通过用对应的正交电压或电流（特征向量）激发CSA元件端口来产生CM电流。 由于特征模式的辐射图是正交的和不相关的，所以可以沿特征模式的辐射图形传播多个信号，每个信号使用不同的特征模式或不同的特征模式集合。 因此，利用阵列端口正交模式（如阵列端口特征模式）的CSA天线可以支持MIMO通信，尽管天线元件之间存在强耦合。

公开(公告)号：US20220029774A1

公开(公告)日：2022-01-27

申请号：US17142116

申请日：2021-01-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jin Yuan ,  Khurram Muhammad ,  Gary Xu

IPC: H04L5/14 ,  H04L25/03 ,  H04B1/44

Abstract: A method and an apparatus for self-interference cancellation in a communication device. The communication device includes an antenna configured to transmit a transmit signal and receive a receive signal through a duplexer in FDD communications, a first analog to digital converter (ADC) configured to convert the receive signal from analog to digital, a coupler configured to couple a sample of the transmit signal to a second ADC, which is configured to convert the sample of the transmit signal from analog to digital, and self-interference cancellation circuitry configured to process the digital sample of the transmit signal to generate a self-interference cancellation signal and apply the self-interference cancellation signal to the digital receive signal to cancel an amount of interference induced in the receive signal by the transmit signal. The SIC process provides additional isolation between TX signal and RX signal. The additional isolation could be utilized to relief the isolation requirement for the duplexer, reducing the cost and form factor of the duplexer.

公开(公告)号：US10972158B2

公开(公告)日：2021-04-06

申请号：US15921521

申请日：2018-03-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yeqing Hu ,  Boon Loong Ng ,  Young-Han Nam ,  Jin Yuan ,  Gary Xu ,  Ji-Yun Seol ,  Jianzhong Zhang

IPC: H04B7/0452 ,  H04B7/0456 ,  H04B7/06 ,  H04W74/08 ,  H04L5/00 ,  H04W74/00

Abstract: A method for a user equipment (UE) is provided. The method comprises receiving, from a base station (BS), information via a dynamic signaling comprising at least one of a medium access control channel element (MAC CE) or downlink control information (DCI) that includes information for a set of channel state information-reference signal (CSI-RS); identifying CSI-RS resources each of which comprises a set of antenna ports based on the information; and measuring CSI using an aggregation of the CSI-RS resources, wherein an energy per resource element (EPRE) ratio between a CSI-RS and a physical downlink shared channel (PDSCH) is configured in the information to each of the CSI-RS resources comprising the aggregated CSI-RS resources.

公开(公告)号：US20210057826A1

公开(公告)日：2021-02-25

申请号：US16820389

申请日：2020-03-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hamid Reza Memar Zadeh Tehran ,  Sung-Chul Park ,  Gary Xu

IPC: H01Q15/14 ,  H01Q1/24 ,  H04M1/02 ,  H04B1/3827

Abstract: A user equipment (UE) and a method of operating the UE. The UE includes a front surface, a rear surface, a transceiver, and a plurality of electromagnetic strips. The front surface includes a display and the rear surface includes a cover. The transceiver is between the display and the cover and is configured to transmit signals supporting vertical polarization and horizontal polarization. The plurality of electromagnetic strips are proximate to the cover and oriented to selectively tilt one of the horizontal polarization or the vertical polarization of the signals.