Method and Wi-Fi device for setting communications mode

• US 9,125,156 B2
• Filed: 12/26/2012
• Issued: 09/01/2015
• Est. Priority Date: 06/25/2012
• Status: Active Grant

• Current Assignee: Huawei Device Company Limited (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Device Company Limited (Huawei Investment & Holding Co., Ltd.)
• Inventors: Zhang, Wei
• Primary Examiner(s): Chery, Dady
• Application Number:
  US13/727,368
• Publication Number:
  US 20130343251A1
• Time in Patent Office: 979 Days
• Field of Search: 370/230, 370/235, 370/329, 370/437, 370/465, 370/466, 370/467
• US Class Current: 1/1
• CPC Class Codes: H04B 7/0689 using different transmission schemes, at least one of them being a diversity transmission scheme
• CPC Class Codes: H04B 7/0871 using different reception schemes, at least one of them being a diversity reception scheme
• CPC Class Codes: H04W 52/0212 managed by the network, e.g. network or access point is master and terminal is slave
• CPC Class Codes: H04W 52/028 switching on or off only a part of the equipment circuit blocks
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

An embodiment of the present invention discloses a Wi-Fi device, including a radio frequency circuit, a signal processor, an application processor, and a Wi-Fi chip. The application processor is configured to preset the work mode of the Wi-Fi chip to a single input single output SISO mode, and is further configured to acquire a value of a parameter of an uplink wireless network, and when the value of the parameter of the uplink wireless network is determined to be greater than or equal to a preset value, set the work mode of the Wi-Fi chip to a multiple-input multiple-output MIMO mode. An embodiment of the present invention further discloses a method for setting a communications mode.

Claims

1. A Wi-Fi device, comprising:

a Wi-Fi chip supporting Wi-Fi communication with a Single Input Single Output (SISO) mode and a Multiple Input Multiple output (MIMO) mode;

a non-transitory memory for storing computer instructions;

a processor configured to execute the computer instructions to perform the following;

presetting a work mode of the Wi-Fi chip to the SISO mode;

obtaining one or more values of;

a value of a current rate of an uplink wireless network, and a value of a current bandwidth of the uplink wireless network;

determining that the obtained one or more values meet a preset condition;

based upon the determining, switching the work mode of the Wi-Fi chip from the SISO mode to the MIMO mode;

determining that a current rate of the uplink wireless network is less than a preset fifth value; and

,

based upon the determining switching the work mode of the Wi-Fi chip from the MIMO mode to the SISO mode.

2. The Wi-Fi device according to claim 1, wherein the determining that the obtained one or more values meet the preset condition comprises:

determining that the current rate of the uplink wireless network is greater than or equal to a first value; and

based upon the determining, determining that the current bandwidth of the uplink wireless network is greater than or equal to a second value.

3. The Wi-Fi device according to claim 1, wherein the determining that the obtained one or more values meet the preset condition comprises:

determining that the current bandwidth of the uplink wireless network is greater than or equal to a third value; and

based upon the determining, determining that the current rate of the uplink wireless network is greater than or equal to a fourth value.

4. The Wi-Fi device according to claim 1, wherein the presetting the work mode of the Wi-Fi chip to the SISO mode further comprises:

determining a network standard of an accessed network;

determining whether a network rate of the accessed network is capable of reaching a sixth value according to the network standard;

wherein if the network rate is capable of reaching the sixth value, presetting the work mode of the Wi-Fi chip to the SISO mode; and

if the network rate is not capable of reaching the sixth value, setting the work mode of the Wi-Fi chip to the SISO mode and terminating the process of setting the work mode of the Wi-Fi chip to the SISO mode.

5. The Wi-Fi device according to claim 1, wherein the presetting the work mode of the Wi-Fi chip to the SISO mode further comprises:

determining a highest network rate which is defined in an internet access package of the Wi-Fi device;

wherein if the determining that the highest network rate is greater than or equal to a seventh value, presetting the work mode of the Wi-Fi chip to the SISO mode; and

if the determining that the highest network rate is less than the seventh value, setting the work mode of the Wi-Fi chip to the SISO mode and terminating the process of setting the work mode of the Wi-Fi chip to the SISO mode.

6. The Wi-Fi device according to claim 1, wherein the determining that the obtained one or more values meet the preset condition comprises:

determining that the value of the current bandwidth of the uplink wireless network is greater than or equal to a preset value.

7. The Wi-Fi device according to claim 1, wherein the determining that the obtained one or more values meet the preset condition comprises:

determining that the value of the current rate of the uplink wireless network is greater than or equal to a preset value.

8. A method for setting a communications mode, applied to a Wi-Fi device that supports Wi-Fi communications in a single input single output (SISO) mode and a multiple-input multiple-output (MIMO) mode, the method comprising:

presetting, by the Wi-Fi device, a Wi-Fi mode of the Wi-Fi device to the SISO mode;

obtaining, by the Wi-Fi device, one or more values of;

a value of a current rate of an uplink wireless network, and a value of a current bandwidth of the uplink wireless network;

d

determining, by the Wi-Fi device, that the obtained one or more values meet a preset condition;

based upon the determining, by the Wi-Fi device, switching the Wi-Fi mode of the Wi-Fi device from the SISO mode to the MIMO mode;

determining, by the Wi-Fi device, that a current rate of the uplink wireless network is less than a preset fifth value; and

based upon the determining, switching, by the Wi-Fi device, the Wi-Fi mode of the Wi-Fi device from the MIMO mode to the SISO mode.

9. The method according to claim 8, wherein the determining that the obtained one or more values meet the preset condition comprises:

determining that the current rate of the uplink wireless network is greater than or equal to a first value; and

based upon the determining, determining that the current bandwidth of the uplink wireless network is greater than or equal to a second value.

10. The method according to claim 8, wherein the determining that the obtained one or more values meet the preset condition comprises:

determining that the current bandwidth of the uplink wireless network is greater than or equal to a third value; and

based upon the determining, determining that the current rate of the uplink wireless network is greater than or equal to a fourth value.

11. The method according to claim 8, wherein the presetting the Wi-Fi mode of the Wi-Fi device to the SISO mode comprises:

determining, by the Wi-Fi device, a network standard of an accessed network;

determining whether the rate of the accessed network is capable of reaching a sixth value according to the network standard;

wherein if the network rate is capable of reaching the sixth value, the Wi-Fi mode of the Wi-Fi device is preset to the SISO mode; and

if the network rate is not capable of reaching the sixth value, the Wi-Fi mode of the Wi-Fi device is set to the SISO mode and the process of presetting the Wi-Fi mode of the Wi-Fi device to the SISO mode is terminated.

12. The method according to claim 8, wherein the presetting the Wi-Fi mode of the Wi-Fi device to the SISO mode comprises:

determining, by the Wi-Fi device, a highest network rate which is defined in the internet access package of the Wi-Fi device;

wherein if the highest network rate is greater than or equal to a seventh value, the Wi-Fi mode of the Wi-Fi device is preset to the SISO mode; and

if the highest network rate is less than the seventh value, the Wi-Fi mode of the Wi-Fi device is set to the SISO mode and the process of presetting the Wi-Fi mode of the Wi-Fi device to the SISO mode is terminated.