# US 11,910,312 B2 · Method for WiFi module and system of the same

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- Number: US 11,910,312 B2
- Document ID: US11910312B2
- Status: Granted
- Kind: B2
- Application number: 17/209,619
- Filed: 2021-03-23
- Published: 2021-10-07
- Granted: 2024-02-20
- Earliest claimed: 2021-03-23
- Assignees: Realtek Semiconductor Corp.
- Applicants: Realtek Semiconductor Corporation
- Inventors: Zhaoming Li; Mengzhou Shen; Zuohui Peng; Guofeng Zhang
- Web page: https://patentgrep.com/patent/US11910312B2

## CPC

- H04W 52/0216: {using a pre-established activity schedule, e.g. traffic indication frame}
- H04W 52/0229: {where the received signal is a wanted signal}
- Y02D 30/70: in wireless communication networks
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)
- Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE

## Abstract

The present application provides a method for a WiFi module and system of the same. The method including: determining whether a specific process is a high-power consumption event; and when the specific process is determined as the high-power consumption event, performing a time-divisional operation upon the specific process. The present application further provides another method for a WiFi module, including: determining whether a specific process is a high-power consumption event; and when the specific process is determined as the high-power consumption event, estimating a first power consumption request information and transmitting the information to a control module of a local end; and receiving a first response corresponding to the first power consumption request information from the control module.

## Claims

### Claim 1

A method for a WiFi module, comprising:
determining whether a specific process is a high-power consumption event;
when the specific process is determined as the high-power consumption event, estimating a first power consumption request information for performing the specific process and transmitting the first power consumption request information to a control module;
receiving a first response from the control module, wherein the first response corresponds to the first power consumption request information;
dividing, by the WiFi module, the specific process into a first sub-process and a second sub-process according to the first response; and
performing a time-divisional operation upon the specific process, comprising:
performing the first sub-process of the specific process; and
after completion of the first sub-process, waiting for a predetermined interval period and then performing the second sub-process of the specific process, wherein a duration of the predetermined interval period is adjusted depending on an upper limit of a power consumption allocated to the WiFi module.

### Claim 2 (depends on 1)

The method of claim 1, wherein the determining whether the specific process is the high-power consumption event comprises:
determining whether the specific process is at least one of a connecting process, continuous data uploading or downloading, or continuous data retransmission.

### Claim 3 (depends on 1)

The method of claim 1, wherein:
the performing the first sub-process of the specific process comprises:
performing the first sub-process in an active mode;
the waiting for the predetermined interval period comprises:
entering into a specific mode during the predetermined interval period; and
the performing the second sub-process of the specific process comprises:
performing the second sub-process in the active mode.

### Claim 4 (depends on 3)

The method of claim 3, wherein in the specific mode, a current required by the WiFi module is smaller than a current required in the active mode.

### Claim 5 (depends on 4)

The method of claim 4, wherein the specific mode is a power-saving mode.

### Claim 6 (depends on 1)

The method of claim 1, further comprising:
notifying a far end of the WiFi module that the WiFi module needs to perform the time-divisional operation.

### Claim 7 (depends on 1)

The method of claim 1, further comprising:
when the first response indicates that the control module disagrees the WiFi module to perform the specific process, estimating a second power consumption request information for performing the time-divisional operation upon the specific process and transmitting the second power consumption request information to the control module.

### Claim 8 (depends on 7)

The method of claim 7, wherein the first power consumption request information comprises a first average current for performing the specific process as a whole; and the second power consumption request information comprises a second average current for performing the time-divisional operation upon the specific process, and the second average current is smaller than the first average current.