US 2025/0030491 A1Published application

Method and apparatus for radio frequency interference pattern identification

AssigneeDell Products L.P.

InventorJui Chang Liu

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Abstract

An information handling system may include a hardware processor, a memory device, wireless systems, a power source, and plural Universal Serial Ports (USB) or the information handling system may be operatively coupled to a docking station with the plural USB ports. The information handling system may utilize a wireless dongle operatively coupled to the hardware processing device via one USB port that is wirelessly coupled to a wireless input/output device, the wireless dongle comprising a wireless dongle antenna to send and receive data wirelessly with the wireless device, a wireless dongle hardware processing device, and wireless dongle wireless interference detection firmware to detect fail parameters. Execution of code instructions of a wireless interference determination system by the hardware processor may determine combinations of fail parameters diagnose wireless interference from another USB port or other wireless devices as well as determine other wireless signal issues and generate remediation instructions.

Claims20

Dependent claims

An information handling system comprising:

a hardware processing device, a memory device and a power management unit (PMU) to provide power to the hardware processing device and the memory device;
a plurality of universal serial bus (USB) ports;
a wireless dongle operatively coupled to the hardware processing device via a first USB port of the information handling system and wirelessly coupled to a wireless device, the wireless dongle via a wireless radiofrequency (RF) band comprising:
a wireless dongle antenna to send and receive data wirelessly with the wireless device;
a wireless dongle hardware processing device executing code instructions of a wireless dongle wireless interference detection firmware comprising a wireless interference detection algorithm to detect fail parameters from an interference received signal strength indicator (RSSI) value detected at the wireless dongle antenna, a received data packet RSSI signal value, and a number of resend data packets;
and
the hardware processing device, upon detection that the interference RSSI value is above a first threshold interference RSSI value at one or more channels in the wireless RF band, the received data packet RSSI signal value is detected above a second threshold data packet RSSI signal value, and the number of resend data packets exceeds a threshold resend data packet value, executes computer readable program code instructions of a wireless interference determination system to determine that a wideband interference is occurring at a plurality of sampled channels in the wireless RF band when the plurality of sampled channels are above the first threshold interference RSSI.

4 more elements

A wireless dongle operatively coupled to an information handling system at a universal serial bus (USB) port, comprising:

a wireless dongle antenna to send and receive data wirelessly with a wirelessly coupled wireless device via a wireless radiofrequency (RF) band;
a wireless dongle hardware processing device executing computer readable program code instructions of a wireless dongle wireless interference detection firmware system comprising a wireless interference detection algorithm to, when executed by the wireless dongle hardware processing device, detect fail parameters from an interference received signal strength indicator (RSSI) value at the wireless dongle antenna, a received data packet RSSI value, and a number of resend data packets detected;
the wireless dongle hardware processing device to send data to the information handling system to determine, via execution of computer readable program code instructions of a wireless interference determination system, that the interference RSSI is above a first threshold interference RSSI value at one or more channels in the wireless RF band, the received data packet RSSI value is above s second threshold data packet RSSI value, and the number of resend data packets exceeds a threshold resend data packet value indicates that one of a wideband interference or a specific channel interference is degrading wireless performance at a channel in the wireless RF band;
and
the computer readable program code instructions of the wireless interference determination system generates instructions to remediate interference depending on whether the wideband interference or the specific channel interference is degrading wireless performance at the channel.

2 more elements

A method of detecting and troubleshooting wireless interference at a wireless dongle operatively coupled to an information handling system via a universal serial bus (USB) port comprising:

transceiving data packets between the wireless dongle and an operatively coupled wireless device for the information handling system in a wireless radio frequency (RF) band;
receiving from a wireless dongle hardware processing device, executing computer readable program code instructions of a wireless dongle wireless interference detection firmware system comprising a wireless interference detection algorithm to detect an interference received signal strength indicator (RSSI) value at the wireless dongle antenna, a received data packet RSSI value, and a number of resend data packets within a period of time;
determining with a hardware processor at an information handling executing computer readable program code of a wireless interference determination system a type of wireless interference at a wireless dongle antenna selected from a wideband interference from a second USB port neighboring a first USB port having the wireless dongle and a specific channel interference from a competing, nearby second wireless device based on a number of sampled channels having the interference RSSI value detected at the wireless dongle antenna;
and
generating instructions, via the wireless interference determination system, to perform a remedial action to correct the wireless device signal interference identified based on the type of wireless interference determined.

2 more elements

Dependencies are inferred from the claim text.