US 12,750,144 B2Granted

Access point with adjustable scan radio

AssigneeCisco Technology, Inc.

InventorsMatthew A. Silverman, Santosh B. Kulkarni, Ashish Pasha Sheikh

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Abstract

The present disclosure describes an access point with an adjustable scan radio and a method of operating the access point. The access point operates a scan radio to determine first and second sets of metrics for packets detected by the scan radio with a received signal strength indicator (RSSI) greater than first and second RSSI thresholds, respectively. The access point also operates a service radio to determine a third set of metrics for packets transmitted by the service radio and determines a first weight and a second weight based on the third set of metrics. The access point further applies the first and second weights to the first and second sets of metrics to produce first and second sets of weighted metrics and adjusts the service radio based on the first and second sets of weighted metrics.

Claims20

Dependent claims

An access point comprising:

a service radio;
a scan radio;
a memory;
and
a processor communicatively coupled to the memory, the processor configured to:
operate, during a first mode, the scan radio using a first received signal strength indicator (RSSI) threshold to determine a first set of metrics for packets detected by the scan radio with an RSSI greater than the first RSSI threshold;
operate, during a second mode, the scan radio using a second RSSI threshold to determine a second set of metrics for packets detected by the scan radio with an RSSI greater than the second RSSI threshold, wherein the first RSSI threshold is greater than the second RSSI threshold;
operate the service radio to determine a third set of metrics for packets transmitted by the service radio during the first mode and the second mode;
determine a first weight and a second weight based on the third set of metrics, wherein the first weight relates to an amount of interference caused by the service radio to the scan radio during the first mode, and wherein the second weight relates to an amount of interference caused by the service radio to the scan radio during the second mode;
apply the first weight to the first set of metrics to produce a first set of weighted metrics;
apply the second weight to the second set of metrics to produce a second set of weighted metrics;
and
adjust the service radio based on the first set of weighted metrics and the second set of weighted metrics.

10 more elements

A method comprising:

operating, during a first mode, a scan radio of an access point using a first received signal strength indicator (RSSI) threshold to determine a first set of metrics for packets detected by the scan radio with an RSSI greater than the first RSSI threshold;
operating, during a second mode, the scan radio using a second RSSI threshold to determine a second set of metrics for packets detected by the scan radio with an RSSI greater than the second RSSI threshold, wherein the first RSSI threshold is greater than the second RSSI threshold;
operating a service radio of the access point to determine a third set of metrics for packets transmitted by the service radio during the first mode and the second mode;
determining a first weight and a second weight based on the third set of metrics, wherein the first weight relates to an amount of interference caused by the service radio to the scan radio during the first mode, and wherein the second weight relates to an amount of interference caused by the service radio to the scan radio during the second mode;
applying the first weight to the first set of metrics to produce a first set of weighted metrics;
applying the second weight to the second set of metrics to produce a second set of weighted metrics;
and
adjusting the service radio based on the first set of weighted metrics and the second set of weighted metrics.

5 more elements

Dependencies are inferred from the claim text.