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公开(公告)号：US10735913B2
公开(公告)日：2020-08-04
申请号：US16127691
申请日：2018-09-11
Applicant: Silicon Laboratories Inc.
Inventor： Jørgen Franck , Jakob Buron , Anders Lynge Esbensen , Mohammad Sadegh Mohammadi , Anders T. Brandt
Abstract: A system and method for transmitting packets to a plurality of network devices that cannot be accessed via a single hop. The system includes a source, which issues a multicast message to those network devices in close proximity, and also transmits an encapsulated multicast message to a distribution node. This encapsulated multicast message may be routed using traditional routing protocols. The distribution node then transmits the multicast message to those network devices within close proximity. The distribution node may also have the ability to transmit singlecast messages to those network devices, if necessary, to perform retries.
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公开(公告)号：US20200052814A1
公开(公告)日：2020-02-13
申请号：US16059202
申请日：2018-08-09
Applicant: Silicon Laboratories Inc.
Inventor： Mohammad Sadegh Mohammadi
Abstract: A system and method for determining an optimal configuration of the preamble for use in a wireless network is disclosed. The system and method use the calculated or given channel bit error rate to determine this configuration. There are two important parameters associated with the preamble; its length and the detection threshold. The detection threshold is a measure of how many bits can be incorrect while still detecting the preamble. The optimal value of the detection threshold sets a trade off between false positives and false negatives. In some embodiments, the system uses the channel bit error rate to determine these parameters. In certain embodiments, the detection threshold can be implemented by the receiver without knowledge of the transmitter. By optimizing the configuration of the preamble, the reliability of communications is minimally impacted while power consumption of the network devices is reduced.
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公开(公告)号：US10673559B2
公开(公告)日：2020-06-02
申请号：US16059202
申请日：2018-08-09
Applicant: Silicon Laboratories Inc.
Inventor： Mohammad Sadegh Mohammadi
Abstract: A system and method for determining an optimal configuration of the preamble for use in a wireless network is disclosed. The system and method use the calculated or given channel bit error rate to determine this configuration. There are two important parameters associated with the preamble; its length and the detection threshold. The detection threshold is a measure of how many bits can be incorrect while still detecting the preamble. The optimal value of the detection threshold sets a trade off between false positives and false negatives. In some embodiments, the system uses the channel bit error rate to determine these parameters. In certain embodiments, the detection threshold can be implemented by the receiver without knowledge of the transmitter. By optimizing the configuration of the preamble, the reliability of communications is minimally impacted while power consumption of the network devices is reduced.
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公开(公告)号：US20200084588A1
公开(公告)日：2020-03-12
申请号：US16127691
申请日：2018-09-11
Applicant: Silicon Laboratories Inc.
Inventor： Jørgen Franck , Jakob Buron , Anders Lynge Esbensen , Mohammad Sadegh Mohammadi , Anders T. Brandt
Abstract: A system and method for transmitting packets to a plurality of network devices that cannot be accessed via a single hop. The system includes a source, which issues a multicast message to those network devices in close proximity, and also transmits an encapsulated multicast message to a distribution node. This encapsulated multicast message may be routed using traditional routing protocols. The distribution node then transmits the multicast message to those network devices within close proximity. The distribution node may also have the ability to transmit singlecast messages to those network devices, if necessary, to perform retries.
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