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公开(公告)号:US12113653B2
公开(公告)日:2024-10-08
申请号:US18467478
申请日:2023-09-14
发明人: Aleksandar Damnjanovic , Srinivas Yerramalli , Xiaoxia Zhang , Tamer Kadous , Yongbin Wei , Jing Sun , Andrei Dragos Radulescu
IPC分类号: H04B1/7136 , H04B1/7143 , H04B1/7156 , H04L27/26
CPC分类号: H04L27/2602 , H04B1/7136 , H04B1/7143 , H04B1/7156 , H04L27/2646 , H04B2001/71365 , H04B2001/71563
摘要: Techniques providing opportunistic frequency switching for frame based equipment (FBE), such as may be configured to minimize opportunistic frequency switching delay in FBE new radio (NR) unlicensed (NR-U) networks and/or to provide frequency diversity FBE access based on offset sequences of medium sensing occasions for the carrier frequencies are disclosed. Within the FBE mode network, a base station may configure a pattern of sensing locations in each frame for each frequency transmission unit of the plurality of frequency transmission units, wherein an inter-unit delay of sensing locations between a first frequency transmission unit and a next adjacent frequency transmission unit and between a last frequency transmission unit and the first frequency transmission unit is a fixed duration. Opportunistic frequency switching of embodiments may utilize the medium sensing locations for opportunistically switching between a sequence of the frequency transmission units for implementing frequency diversity FBE access.
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公开(公告)号:US20230308131A1
公开(公告)日:2023-09-28
申请号:US18022735
申请日:2021-07-21
申请人: Analog Devices, Inc.
发明人: Hakim SAHEB
IPC分类号: H04B1/7136
CPC分类号: H04B1/7136 , H04B2201/71384 , H04B2001/71365 , H04B2201/71353
摘要: Multiple transmit and receive channels in a communication transceiver may be dynamically configured using corresponding channel registers. In order to support fast frequency hopping, arbitrary sample rate change or profile switching, the present disclosure proposes a profile-based direct memory access (PDMA) that can be used to transfer data from a memory and program specific profile registers in a randomly accessed addressing manner. PDMAs can offload the system processor from reprogramming many system registers based on external or internal events in a multi channels communication system. Furthermore, a PDMA based DMA controller is proposed to configure the fast frequency hopping registers of the transceiver based on PDMA.
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公开(公告)号:US11770803B2
公开(公告)日:2023-09-26
申请号:US17481009
申请日:2021-09-21
发明人: Justin Clifford Matthews , Matthew Donald Karlgaard , Govind Kharangate , Michael Sean Holcombe
IPC分类号: H04W72/02 , H04B1/7136 , H04W72/0446 , H04W72/542 , H04W84/18
CPC分类号: H04W72/02 , H04B1/7136 , H04W72/0446 , H04W72/542 , H04B2201/71384 , H04W84/18
摘要: In some aspects, a channel hopping sequence for communication on a mesh network is generated. The hopping sequence may include multiple channels assigned to respective positions in the hopping sequence. In some cases, a first channel is assigned to a first position such that the first channel may transmit communications in a first transmission mode, such as a low-bandwidth transmission mode. In addition, an additional channels adjacent to the first channel is also assigned to the first position such that the combination of the first channel and additional channel may transmit communications in a second transmission mode, such as a high-bandwidth transmission mode. In some cases, a whitelist is determined based on the assigned channels. The whitelist may indicate channels that do not conflict with the assigned channels during transmission of a communication. In addition, channels may be assigned to the hopping sequence based on the whitelist.
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公开(公告)号:US20230299776A1
公开(公告)日:2023-09-21
申请号:US18095472
申请日:2023-01-10
发明人: Daniel Hyman , Jeffrey Norris , Michael Dekoker , Anthony Aquino
CPC分类号: H03L7/099 , H03C3/0908 , H03F3/45475 , H04B1/0007 , H04B1/7136 , H04L7/033
摘要: An apparatus is comprised of a processor, a fast-locking Phase-Locked Loop Waveform Generator (PLLWG), an amplifier circuit, and a voltage controlled oscillator (VCO). The processor generates data program signals to program the PLLWG and generates a trigger command signal instructing the PLLWG to generate an analog tuning signal. The PLLWG, coupled to the processor, generates the analog tuning signal based on the trigger command signal. The amplifier circuit, coupled to the PLLWG, receives the analog tuning signal, amplify the analog tuning signal, and generates a control voltage. The VCO, coupled to the amplifier circuit, receives the control voltage and amplifies the control voltage to generate an amplified Radio Frequency (RF) channel frequency signal.
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公开(公告)号:US20230208471A1
公开(公告)日:2023-06-29
申请号:US17565015
申请日:2021-12-29
发明人: Hemant SAGGAR , Iyab Issam SAKHNINI , Tao LUO
IPC分类号: H04B1/7136 , H04B7/06
CPC分类号: H04B1/7136 , H04B7/0686 , H04B2001/7154
摘要: Aspects described herein relate to scheduling, or configuring a node to schedule, a transmission in multiple time periods based on a hopping pattern, where the hopping pattern includes at least one of a beam hopping pattern, a precoder hopping pattern, or a time hopping pattern. The transmission can be transmitted or received in the multiple time periods based on the hopping pattern.
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公开(公告)号:US20230163804A1
公开(公告)日:2023-05-25
申请号:US18152003
申请日:2023-01-09
申请人: SkySafe, Inc.
IPC分类号: H04B1/7136 , B64C39/02 , G05D1/00 , G06F17/18 , H04B1/7143 , H04B1/7156
CPC分类号: H04B1/7136 , B64C39/024 , G05D1/0022 , G06F17/18 , H04B1/7143 , H04B1/7156 , B64U2101/20
摘要: Systems and methods for detecting, monitoring, and mitigating the presence of a drone are provided herein. In one aspect, a system for detecting presence of a one or more drones includes a radio-frequency (RF) receiver configured to receive an RF signal transmitted between a drone and a controller. The system can further include a processor and a computer-readable memory in communication with the processor and having stored thereon computer-executable instructions to cause the at least one processor to receive a set of samples from the RF receiver for a time interval, the set of samples comprising samples of the first RF signal, obtain a parameter model of the first frequency hopping parameters, and fit the parameter model to the set of samples.
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公开(公告)号:US11552674B2
公开(公告)日:2023-01-10
申请号:US17454477
申请日:2021-11-10
申请人: SkySafe, Inc.
IPC分类号: H04B1/7136 , B64C39/02 , G05D1/00 , G06F17/18 , H04B1/7143 , H04B1/7156
摘要: Systems and methods for detecting, monitoring, and mitigating the presence of a drone are provided herein. In one aspect, a system for detecting presence of a one or more drones includes a radio-frequency (RF) receiver configured to receive an RF signal transmitted between a drone and a controller. The system can further include a processor and a computer-readable memory in communication with the processor and having stored thereon computer-executable instructions to cause the at least one processor to receive a set of samples from the RF receiver for a time interval, the set of samples comprising samples of the first RF signal, obtain a parameter model of the first frequency hopping parameters, and fit the parameter model to the set of samples.
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公开(公告)号:US20220321167A1
公开(公告)日:2022-10-06
申请号:US17651035
申请日:2022-02-14
IPC分类号: H04B1/7156 , H04B1/7136
摘要: Aspects presented herein may enable a UE to determine whether phase continuity is to be maintained for one or more uplink transmissions when the UE is configured with a frequency-hopping with zero frequency offset. In one aspect, a UE receives, from a network entity, an indication of frequency hopping with zero frequency offset. The UE determines whether phase continuity is to be applied to UL transmissions based on the indication of the frequency hopping with zero frequency offset. The UE transmits, to the network entity, at least one uplink channel with no phase continuity based on the determination to not apply phase continuity to the UL transmissions.
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公开(公告)号:US20220209816A1
公开(公告)日:2022-06-30
申请号:US17247862
申请日:2020-12-28
申请人: NXP USA, Inc.
IPC分类号: H04B1/715 , H04B1/7136 , H04W72/04 , H04W72/10
摘要: A frequency hopping device is co-located with a set of frequency hopping devices, and includes a controller that is configured to identify from a plurality of channels, first and second sets of channels that are available and unavailable for an adaptive frequency hopping (AFH) operation associated with the frequency hopping device, respectively. The controller is further configured to assign a lowest priority level to each channel of the second set of channels, an intermediate priority level to each channel of the first set of channels that is to be utilized by the set of frequency hopping devices, and a highest priority level to each remaining channel of the first set of channels. Further, the controller is configured to generate an AFH map based on a number of channels that have the highest priority level, and execute the AFH operation based on the AFH map.
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公开(公告)号:US11356228B2
公开(公告)日:2022-06-07
申请号:US16765660
申请日:2017-11-24
申请人: NTT DOCOMO, INC.
发明人: Yuki Matsumura , Kazuaki Takeda , Kazuki Takeda , Satoshi Nagata
IPC分类号: H04L5/00 , H04B1/7136 , H04W72/04
摘要: A user terminal according to one aspect of the present disclosure includes: a transmission section that transmits an uplink control channel over multiple slots; and a control section that, when changing an active Bandwidth Part (BWP) during the transmission of the uplink control channel, controls the transmission of the uplink control channel after the BWP changing. According to the one aspect of the present disclosure, it is possible to prevent a communication throughput from lowering even when a BWP is switched.
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