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公开(公告)号：US20220352861A1
公开(公告)日：2022-11-03
申请号：US17243760
申请日：2021-04-29
Applicant: Silicon Laboratories Inc.
Inventor： Robert M. Gorday , Guner Arslan , Marc Leroux , Pascal Blouin
Abstract: In one embodiment, an apparatus includes: a low noise amplifier (LNA) to receive and amplify a radio frequency (RF) signal, the LNA having a first controllable gain; a mixer to downconvert the RF signal to a second frequency signal; a programmable gain amplifier (PGA) coupled to the mixer to amplify the second frequency signal, the PGA having a second controllable gain; a digitizer to digitize the second frequency signal to a digitized signal; a demodulator coupled to the digitizer to demodulate the digitized signal; an automatic gain control (AGC) circuit to control one or more of the first controllable gain and the second controllable gain; and an AGC settling circuit to cause the demodulator to begin operation in response to determining that the AGC circuit has settled.
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公开(公告)号：US20220312271A1
公开(公告)日：2022-09-29
申请号：US17840107
申请日：2022-06-14
Applicant: Silicon Laboratories Inc.
Inventor： Guner Arslan , Yan Zhou , He Gou
Abstract: A system and method for detecting the presence of a Bluetooth or Zigbee signal within a short period of time is disclosed. The signal identification circuit has two stages, a first stage that processes windows to determine whether noise is present, and a second stage that processes long windows to determine whether the signal is a particular lower-power network protocol. The signal identification circuit can be configured to detect Bluetooth at 1 Mbps, Bluetooth at 2 Mbps or Zigbee. The signal identification signal may be used to allow a lower-power network controller to coexist with a high duty cycle WiFi controller. The signal identification circuit may also be used for other functions, such as powering on a lower-power network controller, determining CCA, or determining which channel a packet is being transmitted on.
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23.发明申请公开(公告)号：US20220014303A1
公开(公告)日：2022-01-13
申请号：US17485696
申请日：2021-09-27
Applicant: Silicon Laboratories Inc.
Inventor： Robert Mark Gorday , Guner Arslan
Abstract: A wireless device may include: a radio frequency (RF) front end circuit to receive and process an RF signal; a mixer to downconvert the RF signal to a second frequency signal; a digitizer to digitize the second frequency signal; a channel filter to channel filter the digitized signal; a selection circuit having a first input coupled to the channel filter and a plurality of outputs each to couple to one of a plurality of demodulators; and the plurality of demodulators coupled to the selection circuit. The selection circuit may route the channel filtered digitized signal to a first demodulator of the plurality of demodulators based on a first configuration setting. The wireless device may also include a non-volatile storage with a configuration file including the first configuration setting. The configuration file may be automatically generated by a hardware configurator in response to a plurality of user input parameters.
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公开(公告)号：US20210029638A1
公开(公告)日：2021-01-28
申请号：US16520924
申请日：2019-07-24
Applicant: Silicon Laboratories Inc.
Inventor： Jake G. Wood , Bryan K. Murawski , Guner Arslan , Logan A. Lucas , Charles A. Weinberger
IPC: H04W52/02 , H04B17/318
Abstract: A system and method for detecting and receiving packets that are transmitted over a network that utilizes a plurality of channels is disclosed. The system includes a radio circuit, which can be configured to receive packets over a plurality of channels, a processing unit, and a memory in communication with the processing unit. The processing unit loads a set of operating parameters in the radio circuit, which enables the radio circuit to detect and receive packets on a particular channel. If a preamble is not detected within a predetermined time period, the system hops to a different channel by loading a second set of operating parameters in the radio circuit. This process can be repeated for an arbitrary number of channels.
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25.发明授权公开(公告)号：US10826647B1
公开(公告)日：2020-11-03
申请号：US16722568
申请日：2019-12-20
Applicant: Silicon Laboratories Inc.
Inventor： Guner Arslan
IPC: H04L1/00
Abstract: In one aspect, a method includes: receiving, in a configurator for a wireless receiver, a plurality of user-defined parameters for configuring the wireless receiver for wireless communication, the user-defined parameters including pulse shaping information of a pulse shaper of a wireless transmitter to be in communication with the wireless receiver and channel filter information of a channel filter of the wireless receiver; generating a plurality of frequency signals based on a corresponding plurality of predetermined bit sequences and at least two of the plurality of user-defined parameters including the pulse shaping information and the channel filter information; setting a first nominal symbol value based at least in part on an oversampling rate for a demodulator of the wireless receiver; and configuring the wireless receiver with the first nominal symbol value to cause the demodulator of the wireless receiver to operate using the first nominal symbol value.
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Patent Agency Ranking
公开(公告)号：US10826640B1
公开(公告)日：2020-11-03
申请号：US16722512
申请日：2019-12-20
Applicant: Silicon Laboratories Inc.
Inventor： Guner Arslan
Abstract: In one aspect, a method includes: iteratively, for each of a plurality of code maps each formed based on one of a plurality of base spreading codes: determining, in a computing system, a plurality of metrics for the code map; and computing, in the computing system, a weighted sum for the code map based on at least some of the plurality of metrics. After this iterative operation, a first base spreading code associated with the weighted sum having an optimal value may be selected. This first base spreading code may be used to configure one or more wireless devices with the first base spreading code to cause the one or more wireless devices to communicate coded symbols using the first base spreading code.
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公开(公告)号：US20240056818A1
公开(公告)日：2024-02-15
申请号：US17887847
申请日：2022-08-15
Applicant: Silicon Laboratories Inc.
Inventor： Guner Arslan
IPC: H04W12/122 , H04W12/79 , H04B1/00
CPC classification number: H04W12/122 , H04W12/79 , H04B1/001
Abstract: A system that is capable of detecting a Man in the Middle attack is disclosed. The system includes a receive circuit for receiving incoming packets. The system also includes a digitized model of at least part of the receive circuit and optionally part of the transmit circuit. The system compares the output from the digitized model with the output from the read circuit to determine the likelihood of a Man in the Middle Attack. In certain embodiments, the digitized model is a finite impulse response filter with multiple taps. The system correctly identifies Man in the Middle attacks more than 90% of the time when the signal to noise ratio is greater than 20 dB.
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28.发明授权公开(公告)号：US11646814B2
公开(公告)日：2023-05-09
申请号：US17485696
申请日：2021-09-27
Applicant: Silicon Laboratories Inc.
Inventor： Robert Mark Gorday , Guner Arslan
IPC: H04L1/00 , H04L1/1812 , H04L27/26 , H04L27/00 , H04L5/00
CPC classification number: H04L1/0003 , H04L1/1812 , H04L5/0007 , H04L27/0008 , H04L27/2666
Abstract: A wireless device may include: a radio frequency (RF) front end circuit to receive and process an RF signal; a mixer to downconvert the RF signal to a second frequency signal; a digitizer to digitize the second frequency signal; a channel filter to channel filter the digitized signal; a selection circuit having a first input coupled to the channel filter and a plurality of outputs each to couple to one of a plurality of demodulators; and the plurality of demodulators coupled to the selection circuit. The selection circuit may route the channel filtered digitized signal to a first demodulator of the plurality of demodulators based on a first configuration setting. The wireless device may also include a non-volatile storage with a configuration file including the first configuration setting. The configuration file may be automatically generated by a hardware configurator in response to a plurality of user input parameters.
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29.发明授权公开(公告)号：US11251900B2
公开(公告)日：2022-02-15
申请号：US16722545
申请日：2019-12-20
Applicant: Silicon Laboratories Inc.
Inventor： Robert Mark Gorday , Guner Arslan
Abstract: A wireless device may include: a radio frequency (RF) front end circuit to receive and process an RF signal; a mixer to downconvert the RF signal to a second frequency signal; a digitizer to digitize the second frequency signal; a channel filter to channel filter the digitized signal; a selection circuit having a first input coupled to the channel filter and a plurality of outputs each to couple to one of a plurality of demodulators; and the plurality of demodulators coupled to the selection circuit. The selection circuit may route the channel filtered digitized signal to a first demodulator of the plurality of demodulators based on a first configuration setting. The wireless device may also include a non-volatile storage with a configuration file including the first configuration setting. The configuration file may be automatically generated by a hardware configurator in response to a plurality of user input parameters.
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30.发明申请公开(公告)号：US20210194618A1
公开(公告)日：2021-06-24
申请号：US16722545
申请日：2019-12-20
Applicant: Silicon Laboratories Inc.
Inventor： Robert Mark Gorday , Guner Arslan
Abstract: A wireless device may include: a radio frequency (RF) front end circuit to receive and process an RF signal; a mixer to downconvert the RF signal to a second frequency signal; a digitizer to digitize the second frequency signal; a channel filter to channel filter the digitized signal; a selection circuit having a first input coupled to the channel filter and a plurality of outputs each to couple to one of a plurality of demodulators; and the plurality of demodulators coupled to the selection circuit. The selection circuit may route the channel filtered digitized signal to a first demodulator of the plurality of demodulators based on a first configuration setting. The wireless device may also include a non-volatile storage with a configuration file including the first configuration setting. The configuration file may be automatically generated by a hardware configurator in response to a plurality of user input parameters.
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