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公开(公告)号：US11706635B2
公开(公告)日：2023-07-18
申请号：US16707372
申请日：2019-12-09
Applicant: Amazon Technologies, Inc.
Inventor： Nathan Labadie , Tzung-I Lee , Omar Fawazhashim Zakaria , Subram Narasimhan , Cheol Su Kim
CPC classification number: H04W16/20 , H04L12/44 , H04L12/2856 , H04W88/08 , H04W88/16
Abstract: Technologies directed to a wireless network with a cascaded star topology with multiple devices at multiples nodes are described. In one wireless network, multiple devices are manufactured as a common device type and deployed at different nodes of the wireless network. The devices are configured to operate as a base station (BS) role, a gateway (GW) role, a relay (RL) role, or a customer station (STA) role. The nodes can be a base station node (BSN), a relay node (RLN), or a customer premises equipment (CPE) node. One node can be a first-tier hub of the cascaded star topology and another node can be a second-tier hub of the cascaded star topology.
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公开(公告)号：US11606791B1
公开(公告)日：2023-03-14
申请号：US17317715
申请日：2021-05-11
Applicant: Amazon Technologies, Inc.
Inventor： Kun Ting Tsai , Nathan Labadie , Cheol Su Kim , Sarang Wagholikar , Omar Fawazhashim Zakaria
IPC: H04L12/28 , H04W72/0453 , H04J1/16 , H04W84/12
Abstract: Technologies directed to multi-tier coordinated dynamic frequency selection (DFS) service in a multi-tier wireless network are described. One method includes receiving, by a first wireless device, first data associated with a first set of DFS channels. The first wireless device performs a CAC on each DFS channel of the first set of DFS channels in a specified order. The first wireless device identifies a second set of DFS channels in which no radar event is found during the respective CAC and generates second data associated with the second set of DFS channels. The first wireless device receives a first request for the second data from a second wireless device. The first wireless device determines a receive signal strength indicator (RSSI) value associated with the first request and sends a first response, including the second data and the RSSI value, to the second wireless device
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公开(公告)号：US11121693B1
公开(公告)日：2021-09-14
申请号：US16744974
申请日：2020-01-16
Applicant: Amazon Technologies, Inc.
Inventor： Nathan Labadie , Kun Ting Tsai , Cheol Su Kim , Kalyan Teja Posani , Omar Fawazhashim Zakaria
Abstract: Technologies directed to a wireless device with RF port impedance detection using concurrent radios are described. One wireless device includes an impedance detection circuit with a bi-directional RF coupler and switching circuitry. A processing device controls the switching circuitry to i) couple the bi-directional RF coupler between a first radio and a first RF port and a second radio and a second RF port. The processing device causes a first radio to send a first signal and a second radio to measure a first receive signal strength indicator (RSSI) value of a first reflected signal. The processing device determines that the first RSSI value exceeds a threshold, the threshold representing an impedance mismatch condition at or beyond the first RF port. The processing device sends a message indicative of the impedance mismatch condition to a second device.
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公开(公告)号：US11043985B1
公开(公告)日：2021-06-22
申请号：US16892119
申请日：2020-06-03
Applicant: Amazon Technologies, Inc.
Inventor： Nathan Labadie , Cheol Su Kim , Ravi Ichapurapu , Kalyan Teja Posani , Omar Fawazhashim Zakaria , In Chul Hyun
Abstract: Technologies directed to cable-loss compensation are described. An apparatus includes a triplexer, a front-end module (FEM) circuit, and a control circuit. The triplexer is coupled to a radio frequency (RF) cable. The triplexer receives a first RF signal and a DC power signal from a device via the RF cable and sends a detection signal being indicative of a transmit power level of the first RF signal to the device via the RF cable. The transmit power level includes an insertion loss of the RF cable. The FEM circuit is coupled to the triplexer and includes a power amplifier (PA). The control circuit is coupled to the triplexer and measures the transmit power level of the first RF signal and converts the first RF signal into the detection signal. The control circuit sends the detection signal back to the device via the RF cable and enables the PA.
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公开(公告)号：US12035396B2
公开(公告)日：2024-07-09
申请号：US17736952
申请日：2022-05-04
Applicant: Amazon Technologies, Inc.
Inventor： Nathan Labadie , Reshma Suresh , Ali Mirkamali , Cheol Su Kim , Omar Fawazhashim Zakaria , Kwok Shing Lee , Kalyan Teja Posani
CPC classification number: H04W76/15 , H01Q1/2291 , H04B7/0413 , H04W84/10 , H04W88/16
Abstract: Technologies directed to a wireless network device with a single hardware architecture that supports multiple devices roles through software configuration are described. One wireless network device includes a housing with an RF connector and a circuit board with a first radio coupled to an internal antenna and a second radio coupled to an external antenna via the RF connector. The second antenna is mounted on an exterior surface of the building and coupled to the RF connector via an RF cable. The wireless network device receives a command identifying a device role for the wireless network device and configures itself according to the device role using device setting.
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Patent Agency Ranking
公开(公告)号：US11469804B1
公开(公告)日：2022-10-11
申请号：US17464613
申请日：2021-09-01
Applicant: Amazon Technologies, Inc.
Inventor： Kun Ting Tsai , Manvendra Sharma , Tzung-I Lee , Cheol Su Kim , Sarang Wagholikar , Omar Fawazhashim Zakaria , Nathan Labadie
IPC: H04B7/06 , H04B17/318
Abstract: Technologies directed to sectorized analog beam searching are described. One method includes a first wireless device receiving a first destination address of a second wireless device, a first angle value corresponding to a first direction, and a second angle value corresponding to a second direction. The first wireless device generates a first signal beam transmitted in the first direction and spanning a first geographic region and receives an RSSI value corresponding to the first signal beam. The first wireless generates a second signal beam transmitted in the second direction and spanning a second geographic region and receives a second RSSI value corresponding to the second signal beam. The first wireless device determines that the first RSSI value is greater than the second RSSI value. The first wireless device determines, using a third signal beam a third angle value corresponding to a third direction located within the first geographic region.
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公开(公告)号：US20220264681A1
公开(公告)日：2022-08-18
申请号：US17736952
申请日：2022-05-04
Applicant: Amazon Technologies, Inc.
Inventor： Nathan Labadie , Reshma Suresh , Ali Mirkamali , Cheol Su Kim , Omar Fawazhashim Zakaria , Kwok Shing Lee , Kalyan Teja Posani
IPC: H04W76/15 , H01Q1/22 , H04B7/0413
Abstract: Technologies directed to a wireless network device with a single hardware architecture that supports multiple devices roles through software configuration are described. One wireless network device includes a housing with an RF connector and a circuit board with a first radio coupled to an internal antenna and a second radio coupled to an external antenna via the RF connector. The second antenna is mounted on an exterior surface of the building and coupled to the RF connector via an RF cable. The wireless network device receives a command identifying a device role for the wireless network device and configures itself according to the device role using device setting.
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公开(公告)号：US10419948B1
公开(公告)日：2019-09-17
申请号：US15863004
申请日：2018-01-05
Applicant: Amazon Technologies, Inc.
Inventor： Nathan Labadie , Jin Dong Kim , Adrian Napoles
Abstract: Network hardware devices are organized in a wireless mesh network (WMN) including multiple home access node (HAN) relay devices located in a geographic area and separated from one another by a distance. To avoid an obstruction preventing terrestrial line-of-sight (LOS) communications, an aerial reflector is deployed for terrestrial non-line-of-sight (NLOS) communications between first and second HAN relay devices. The aerial reflector device is positioned at an aerial location above a first terrestrial location of the first HAN relay device and a second terrestrial location of the second HAN relay device. The aerial reflector device includes a reflective surface that is positioned and oriented to provide terrestrial NLOS communications between a radio of the first HAN relay device and a radio of the second HAN relay device.
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公开(公告)号：US11949634B1
公开(公告)日：2024-04-02
申请号：US17706474
申请日：2022-03-28
Applicant: Amazon Technologies, Inc.
Inventor： Nathan Labadie , Divya Naveenan , In Chul Hyun , Cheol Su Kim
CPC classification number: H04L5/1461 , H03F1/3241 , H03G3/20 , H04L5/1438 , H04B2001/0416
Abstract: Technologies directed to a control circuit using dynamic signal compression are described. A control circuit includes a front-end module (FEM) coupled to an RF cable, the FEM having a low-noise amplifier (LNA). The control circuit further includes an automatic gain control (AGC) circuitry coupled to the FEM. The AGC circuitry receives a first radio frequency (RF) signal having a first portion of one or more symbols and a second portion of one or more symbols. The AGC circuitry further amplifies the first portion to generate a first portion of an output signal. The AGC circuitry further compresses the second portion to obtain a second portion of the output signal. The AGC circuitry further sends a control signal to cause the FEM to change a gain state value of the LNA from a first value to a second value based on a comparison between a voltage of the output signal and a reference voltage.
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公开(公告)号：US11659588B1
公开(公告)日：2023-05-23
申请号：US17160104
申请日：2021-01-27
Applicant: Amazon Technologies, Inc.
Inventor： Kun Ting Tsai , Nathan Labadie , Cheol Su Kim , King Shaw , Sarang Wagholikar , Omar Fawazhashim Zakaria
IPC: H04W72/56 , H04W72/0453
CPC classification number: H04W72/56 , H04W72/0453
Abstract: Technologies directed to prioritized channel coordination in a multi-tier wireless network are described. One method includes identifying a first group of wireless devices located in a first geographical area using physical proximity information. The method includes, for a first wireless device having a highest priority among the wireless device in the first geographical area, determining a penalty value for each channel of a plurality of available channels and selecting a first channel having a lowest penalty value. The method includes, for a second wireless device having a second-highest priority, determining a penalty value for each of the remaining channels in the plurality of available channels and selecting a second channel, from the remaining channels, having a lowest penalty value. The method includes sending to the first wireless device information about the first channel and sending to the second wireless device information about the second channel.
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