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公开(公告)号：US20220021125A1
公开(公告)日：2022-01-20
申请号：US16932100
申请日：2020-07-17
摘要： Aspect of the present disclosure provide a device that includes an array of subarrays (AoSA) comprising a plurality of subarrays, each subarray including a plurality of antenna elements and a reconfigurable intelligent surface (RIS) that includes a plurality of configurable elements. The AoSA and the RIS are spaced apart from one another such that each subarray and a corresponding subset of the plurality of configurable elements are in each other's near field. Some embodiments described in the disclosure allow large spacing between antenna elements of the AoSA, thereby enabling lower complexity in circuit implementation for power amplification and phase shifting that may be associated with each antenna element, especially as high frequencies where spacing between antenna elements decreases and in some embodiments, reduces the number of antennas that are used.
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公开(公告)号：US11848709B2
公开(公告)日：2023-12-19
申请号：US16994079
申请日：2020-08-14
IPC分类号： H04B10/556 , H04L27/38 , H04B10/54 , H04B10/61
CPC分类号： H04B10/5561 , H04B10/541 , H04B10/614 , H04L27/38
摘要： The present disclosure provides methods and devices that use the RIS phase shifting ability to provide many degrees of freedom to enable data to be overlaid on transmitted signals. The data overlay is done while the RIS is still beamforming the signal towards the receiver(s). The phase shifting capabilities of the RIS elements can provide amplitude, phase, frequency, and polarization manipulations. These manipulations can help enhance the communication and provide the ability to overlay information. The present application also provides new configuration signaling among devices in a communication network utilizing the RIS and configuration for the RIS.
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公开(公告)号：US10998945B1
公开(公告)日：2021-05-04
申请号：US16739760
申请日：2020-01-10
IPC分类号： H04L1/14 , H04B7/0417 , H04B7/08 , H04B7/06
摘要： At a first communication device in a wireless communication network, reference signaling is received from a second communication device in two or more beams with a same direction, and one or more values associated with a direction at which the first communication device received the reference signaling from the second communication device are determined. The one or more values are determined based on the received reference signaling. The direction has a higher accuracy than a beam width associated with the received reference signaling. The direction may be or include an angle of arrival or an angle of departure, for example, and in the case of an angle of departure signaling indicative of the one or more values is transmitted by the first communication device, to the second communication device or another component such as network equipment.
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公开(公告)号：US11570629B2
公开(公告)日：2023-01-31
申请号：US16926176
申请日：2020-07-10
IPC分类号： H04W16/28 , H04L5/00 , H04W24/10 , H04B17/336 , H04B17/318
摘要： Aspects of the present disclosure take advantage of a prism-like effect that occurs in a Reconfigurable Intelligent Surface (RIS), where the RIS reflects incident signals of different frequencies in different directions. for determining characteristics of a channel between a transmitter and a receiver wherein the channel includes the RIS. In particular, this may include estimating an angle of arrival (AoA) to the RIS in uplink transmission or the angle of departure (AoD) from the RIS in downlink transmission. Aspects of the present disclosure also provide solutions to compensate the prism effect for wideband transmission, especially at high frequencies (e.g. mmWave and THz).
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公开(公告)号：US11431103B2
公开(公告)日：2022-08-30
申请号：US16932100
申请日：2020-07-17
摘要： Aspect of the present disclosure provide a device that includes an array of subarrays (AoSA) comprising a plurality of subarrays, each subarray including a plurality of antenna elements and a reconfigurable intelligent surface (RIS) that includes a plurality of configurable elements. The AoSA and the RIS are spaced apart from one another such that each subarray and a corresponding subset of the plurality of configurable elements are in each other's near field. Some embodiments described in the disclosure allow large spacing between antenna elements of the AoSA, thereby enabling lower complexity in circuit implementation for power amplification and phase shifting that may be associated with each antenna element, especially as high frequencies where spacing between antenna elements decreases and in some embodiments, reduces the number of antennas that are used.
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公开(公告)号：US20220014935A1
公开(公告)日：2022-01-13
申请号：US16926176
申请日：2020-07-10
IPC分类号： H04W16/28 , H04L5/00 , H04B17/318 , H04B17/336 , H04W24/10
摘要： Aspects of the present disclosure take advantage of a prism-like effect that occurs in a Reconfigurable Intelligent Surface (RIS), where the RIS reflects incident signals of different frequencies in different directions. for determining characteristics of a channel between a transmitter and a receiver wherein the channel includes the RIS. In particular, this may include estimating an angle of arrival (AoA) to the RIS in uplink transmission or the angle of departure (AoD) from the RIS in downlink transmission. Aspects of the present disclosure also provide solutions to compensate the prism effect for wideband transmission, especially at high frequencies (e.g. mmWave and THz).
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