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公开(公告)号：US20200244540A1
公开(公告)日：2020-07-30
申请号：US16847011
申请日：2020-04-13
IPC分类号： H04L12/24
摘要： A network management device according to the present invention includes a metric calculation unit that calculates, using location information of multiple nodes constituting a network, metrics for respective combinations of the nodes, a false detection determination unit that determines, using the metrics and using link estimation information, which is information indicating a combination of nodes presumed that has a link therebetween, a falsely detected link corresponding to a combination of nodes indicated as having a link therebetween in the link estimation information, but presumed that has no link therebetween in reality, and a non-detection determination unit that determines, using the metrics and the link estimation information, an undetected link corresponding to a combination of nodes indicated as having no link therebetween in the link estimation information, but presumed that has a link therebetween in reality.
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2.发明公开公开(公告)号：US20230246889A1
公开(公告)日：2023-08-03
申请号：US18298849
申请日：2023-04-11
发明人： Yasutaka YAMASHITA
CPC分类号： H04L27/0012 , G06N3/08 , G06N20/20
摘要： A modulation scheme identification apparatus includes: a modulation scheme specification circuitry that outputs a first probability distribution for a plurality of modulation schemes for a signal waveform input; a matching rate calculator that calculates a matching rate between the first probability distribution and a second probability distribution defined for a first modulation scheme that is a modulation scheme having a highest probability in the first probability distribution; and a determination circuitry that determines whether the modulation scheme of the signal waveform is the first modulation scheme or an unknown modulation scheme, based on the matching rate.
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公开(公告)号：US20240364413A1
公开(公告)日：2024-10-31
申请号：US18769084
申请日：2024-07-10
CPC分类号： H04B7/15507 , H04B7/0617 , H04B7/15578
摘要： In a repeater control device for controlling a communication repeater that has a beamforming function and relays a wireless communication signal including communication data addressed from a transmission device to a reception device, the repeater control device includes: a parameter determination unit that determines a gain adjustment value for adjusting input power to an amplifier that amplifies the wireless communication signal relayed by the communication repeater, on the basis of an evaluation value indicating communication quality in the reception device and calculated on the basis of: state information indicating a state of the communication repeater; a beam pattern requested when the communication repeater transmits the wireless communication signal to the reception device; transmission path information indicating a state of a transmission path between the communication repeater and the reception device; and reception device information indicating a state of the reception device.
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4.发明公开公开(公告)号：US20230367552A1
公开(公告)日：2023-11-16
申请号：US18226044
申请日：2023-07-25
发明人： Shigenori TANI , Yasutaka YAMASHITA
IPC分类号： G06F7/544
CPC分类号： G06F7/5443
摘要： A calculation circuit includes: processing circuitry that divides a quantized signal into a first bit string and a second bit string, and converts the first bit string into a sequence including two or more bits and representing a numerical value by a ratio of 1 present therein; calculates the sequence converted by the conversion unit by stochastic signal processing using a combinational circuit; and adds a ratio of 1 present in a sequence after calculation and a value obtained by multiplying the second bit string by a number represented by the first bit string, and performs reconversion into a quantized signal.
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公开(公告)号：US20220239283A1
公开(公告)日：2022-07-28
申请号：US17717483
申请日：2022-04-11
摘要： A filter device includes: delay units serially connected to delay an input signal and output a delayed signal; multiplication units multiplying the delayed signal by a filter coefficient based on a predetermined value and a multiplying factor adjustment value; a coefficient adjustment unit that, when a multiplication result obtained by multiplying the predetermined value by the multiplying factor adjustment value exceeds a maximum value of a filter-coefficient representation range, divides the multiplication result exceeding the maximum value by the maximum value, and outputs a quotient of division as a coefficient adjustment value; a signal conversion unit outputting a signal obtained by adding after-filter-coefficient-multiplication signals outputted by the multiplication units and an adjusted signal obtained by adjusting a corresponding delayed signal using the coefficient adjustment value; and a division unit generating an output signal by dividing the signal outputted by the signal conversion unit by the multiplying factor adjustment value.
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公开(公告)号：US20220173757A1
公开(公告)日：2022-06-02
申请号：US17672347
申请日：2022-02-15
发明人： Shigenori TANI , Yasutaka YAMASHITA
摘要： A data processing device includes a restoration unit that performs a conversion operation on an input signal to convert the input signal into a signal having no distortion caused by an external factor, and a selection unit that selects and outputs either an unrestored signal, which is the input signal, or a restored signal, which is a signal obtained by the restoration unit by performing the conversion operation, based on a feature quantity of the unrestored signal and on a feature quantity of the restored signal.
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