Control method and controller

• US 9,854,406 B2
• Filed: 03/04/2015
• Issued: 12/26/2017
• Est. Priority Date: 09/22/2014
• Status: Active Grant

• Current Assignee: Lenovo Company Limited (Lenovo Group Ltd.)
• Original Assignee: Lenovo Company Limited (Lenovo Group Ltd.)
• Inventors: Huang, Longhai, Lu, Mingyong, Lin, Jinqiang
• Primary Examiner(s): Orgad, Edan
• Assistant Examiner(s): Song, Rebecca
• Application Number:
  US14/637,555
• Publication Number:
  US 20160088640A1
• Time in Patent Office: 1,028 Days
• Field of Search: None
• CPC Class Codes: H04W 36/0088 Scheduling hand-off measurements
• CPC Class Codes: H04W 4/029 Location-based management or tracking services
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA
• CPC Class Codes: H04W 76/18 Management of setup rejection or failure
• CPC Class Codes: H04W 84/12 WLAN [Wireless Local Area Networks]

Abstract

A control method and a controller are provided. The method includes: controlling an electronic device to connect to a wireless access point corresponding to a first channel based on a first preset rule; controlling the electronic device to connect to a wireless access point corresponding to the first channel or a wireless access point corresponding to a second channel based on a second preset rule; where the first preset rule is different from the second preset rule, and the frequency of the first channel is higher than the frequency of the second channel.

Claims

1. A control method, comprising:

controlling an electronic device to connect to a wireless access point corresponding to a first channel based on a first preset rule;

controlling the electronic device to connect to the wireless access point corresponding to the first channel or a wireless access point corresponding to a second channel based on a second preset rule;

wherein the first preset rule is different from the second preset rule, and a frequency of the first channel is higher than the frequency of the second channel; and

wherein to control the electronic device to connect to the wireless access point corresponding to the first channel, the method further comprises;

controlling the electronic device to connect to the wireless access point corresponding to the first channel with a preset acceleration connection parameter;

wherein controlling the electronic device to connect to a wireless access point corresponding to the first channel or a wireless access point corresponding to a second channel comprises;

acquiring a difference between a received signal strength of a second channel and a received signal strength of the first channel; and

controlling the electronic device to connect to a wireless access point corresponding to the second channel if the difference is greater than a second preset threshold, or controlling the electronic device to connect to a wireless access point corresponding to the first channel if the difference is smaller than or equal to the second preset threshold.

2. The method according to claim 1, wherein before the electronic device is controlled to connect to a wireless access point, the method further comprises:

acquiring a network parameter of a network environment where the electronic device is located;

wherein the first preset rule comprises the network parameter is greater than or equal to a first preset threshold, the second preset rule comprises the network parameter is smaller than the first preset threshold.

3. The method according to claim 2, wherein controlling the electronic device to connect to the wireless access point corresponding to the first channel comprises:

determining a first target wireless access point in the network environment where the electronic device is located by scanning the first channel; and

controlling the electronic device to connect to the first target wireless access point.

4. The method according to claim 1, wherein controlling the electronic device to connect to the wireless access point corresponding to the second channel comprises:

determining a second target wireless access point in a network environment where the electronic device is located by scanning the second channel; and

controlling the electronic device to connect to the second target wireless access point.

5. The method according to claim 1, wherein, controlling an electronic device to connect to a wireless access point corresponding to a first channel based on a first preset rule comprises:

acquiring first channel information based on the first preset rule;

scanning wireless access points in a network environment in which the electronic device is located with the first channel information to determine a first target wireless access point; and

controlling the electronic device to connect to the first target wireless access point.

6. The control method according to claim 5, wherein historical connection information about the wireless access point to which the electronic device ever connected is stored in the electronic device;

the first preset rule comprises;

acquiring the first channel information based on the historical connection information; and

acquiring first channel information based on a first preset rule comprises;

extracting target channel information from the historical connection information about the wireless access point to which the electronic device ever connected as the first channel information.

7. The control method according to claim 5, wherein the first preset rule comprises:

acquiring channel information about a channel with a channel frequency lower than a preset first threshold; and

acquiring first channel information based on a first preset rule comprises;

acquiring channel information about the channel with the channel frequency lower than the preset first threshold as the first channel information.

8. The control method according to claim 5, wherein after controlling the electronic device to connect to the first target wireless access point, the method further comprises:

acquiring a first connection result about the electronic device connecting to the first target wireless access point;

controlling the electronic device to connect to a wireless access point corresponding to the first channel or a wireless access point corresponding to a second channel based on a second preset rule comprises;

acquiring second channel information based on a second preset rule in the case that the first connection result indicates that the electronic device fails to connect to the first target wireless access point;

scanning wireless access points in the network environment in which the electronic device is located with the second channel information to determine a second target wireless access point; and

controlling the electronic device to connect to the second target wireless access point.

9. The control method according to claim 1, wherein historical connection information related to a wireless access point to which the electronic device ever connected is stored in the electronic device, and controlling the electronic device to connect to a wireless access point comprises:

judging whether a target wireless access point is a wireless access point to which the electronic device ever connected to obtain a first judging result in the case that the target wireless access point is found and a connection result signal sent from the target wireless access point indicates that a number of current connections to the target wireless access point reaches a preset connection limit;

obtaining historical connection information related to the target wireless access point in the electronic device, obtaining a first address based on the historical connection information and controlling the electronic device to connect to the target wireless access point via the first address in the case that the first judging result indicates that the target wireless access point is the wireless access point to which the electronic device ever connected;

or

controlling the electronic device to connect to the target wireless access point via a second address based on information of a current address range allocated by the target wireless access point comprised in a connection result signal sent from the target wireless access point in the case that the first judging result indicates that the target wireless access point is not the wireless access point to which the electronic device ever connected.

10. The method according to claim 9, wherein obtaining a first address based on the historical connection information comprises:

parsing the historical connection information to obtain a parsing result; and

determining a historical connection address in the parsing result as the first address, wherein the electronic device ever connected to the target wireless access point via the historical connection address.

11. The method according to claim 9, wherein obtaining a first address based on the historical connection information comprises:

determining, based on the historical connection information, a historical connection address range allocated to the electronic device by the target wireless access point, wherein the historical connection address range comprises at least one connection address;

obtaining, from a preset connection address set, at least one connection address different from any one connection address in the historical connection address range to form a first pre-selection set, wherein the preset connection address set comprises a plurality of connection addresses comprising all the connection addresses in the historical connection address range; and

determining one connection address in the first pre-selection set as the first address.

12. The method according to claim 11, wherein determining one connection address in the first pre-selection set as the first address comprises:

randomly selecting one connection address from the first pre-selection set as the first address;

or

selecting one connection address with an address rank value meeting a preset address selecting rule from the first pre-selection set as the first address.

13. The method according to claim 9, wherein controlling the electronic device to connect to the target wireless access point via a second address based on information of a current address range allocated by the target wireless access point in the connection result signal sent from the target wireless access point comprises:

extracting a current connection address range allocated by the target wireless access point from the information of the current address range allocated by the target wireless access point in the connection result signal sent from the target wireless access point, wherein the current connection address range comprises at least one connection address;

obtaining, from a preset connection address set, at least one connection address different from any one connection address in the current connection address range to form a second pre-selection set, wherein the preset connection address set comprises a plurality of connection addresses comprising all the connection addresses in the current connection address range;

determining one connection address in the second pre-selection set as a second address; and

controlling the electronic device to connect to the target wireless access point using the second address.

14. An electronic device, comprising a processor and a memory storing computer-readable instructions, wherein the processor is configured to execute the computer-readable instructions to:

control an electronic device to connect to a wireless access point corresponding to a first channel based on a first preset rule; and

control the electronic device to connect to the wireless access point corresponding to the first channel or a wireless access point corresponding to a second channel based on a second preset rule;

wherein the first preset rule is different from the second preset rule, and a frequency of the first channel is higher than the frequency of the second channel; and

wherein to control the electronic device to connect to the wireless access point corresponding to the first channel, the processor executes the computer-readable instructions to control the electronic device to connect to the wireless access point corresponding to the first channel with a preset acceleration connection parameter; and

wherein the processor further executes the computer-readable instructions to;

acquire a difference between a received signal strength of the second channel and a received signal strength of the first channel, and control the electronic device to connect to the wireless access point corresponding to the second channel if the difference is greater than a second preset threshold, or control the electronic device to connect to the wireless access point corresponding to the first channel if the difference is smaller than or equal to the second preset threshold.

15. The electronic device according to claim 14, wherein the processor further executes the computer-readable instructions to:

acquire a network parameter of a network environment where the electronic device is located, and control the electronic device to connect to the wireless access point corresponding to the first channel based on the first preset rule if the network parameter is greater than or equal to a first preset threshold, or control the electronic device to connect to the wireless access point corresponding to the first channel or the wireless access point corresponding to the second channel based on the second preset rule if the network parameter is smaller than the first threshold;

wherein the first preset rule comprises the network parameter is greater than or equal to a first preset threshold, the second preset rule comprises the network parameter is smaller than the first preset threshold.

16. The electronic device according to claim 15, wherein the processor further executes the computer-readable instructions to:

determine a first target wireless access point in the network environment where the electronic device is located by scanning with the first channel; and

control the electronic device to connect to the first target wireless access point.

17. The electronic device according to claim claim 14, wherein the processor further executes the computer-readable instructions to:

determine a second target wireless access point in network environment where the electronic device is located by scanning with the second channel; and

control the electronic device to connect to the second target wireless access point.

18. The electronic device according to claim 14, wherein the processor further executes the computer-readable instructions to:

acquire first channel information based on the first preset rule;

scan wireless access points in a network environment in which the electronic device is located with the first channel information to determine a first target wireless access point; and

control the electronic device to connect to the first target wireless access point.

19. The electronic device according to claim 18, wherein historical connection information about the wireless access point to which the electronic device ever connected is stored in the electronic device;

the first preset rule comprises;

acquiring the first channel information based on the historical connection information; and

the processor further executes the computer-readable instructions to;

extract target channel information from the historical connection information about the wireless access point to which the electronic device ever connected as the first channel information.

20. The electronic device according to claim 18, wherein the first preset rule comprises:

acquiring channel information about a channel with a channel frequency lower than a preset first threshold; and

the processor further executes the computer-readable instructions to;

acquire the channel information about the channel with the channel frequency lower than the preset first threshold as the first channel information.

21. The electronic device according to claim 18, wherein the processor further executes the computer-readable instructions to:

acquire a first connection result about the electronic device connecting to the first target wireless access point after the processor further executes the computer-readable instructions to control the electronic device to connect to the first target wireless access point, and to control the electronic device to connect to the wireless access point corresponding to the first channel or the wireless access point corresponding to the second channel based on the second preset rule in the case that the first connection result indicates that the electronic device fails to connect to the first target wireless access point;

acquire second channel information based on a second preset rule;

scan the wireless access point in the network environment in which the electronic device is located with the second channel information to determine a second target wireless access point; and

control the electronic device to connect to the second target wireless access point.

22. The electronic device according to claim 14, wherein historical connection information related to a wireless access point to which the electronic device ever connected is stored in the electronic device, and the processor further executes the computer-readable instructions to:

judge whether a target wireless access point is a wireless access point to which the electronic device ever connected to obtain a first judging result in the case that the target wireless access point is found by the electronic device and a connection result signal sent from the target wireless access point indicates that a number of current connections to the target wireless access point reaches a preset connection limit;

obtain historical connection information related to the target wireless access point in the electronic device to obtain a first address based on the historical connection information to control the electronic device to connect to the target wireless access point via the first address in the case that the first judging result indicates that the target wireless access point is the wireless access point to which the electronic device ever connected; and

control the electronic device to connect to the target wireless access point via a second address based on information of a current address range allocated by the target wireless access point comprises in a connection result signal sent from the target wireless access point in the case that the first judging result indicates that the target wireless access point is not the wireless access point to which the electronic device ever connected.

23. The electronic device according to claim 22, wherein the processor further executes the computer-readable instructions to:

parse the historical connection information to obtain a parsing result; and

determine a historical connection address in the parsing result as the first address, wherein the electronic device ever connected to the target wireless access point via the historical connection address.

24. The electronic device according to claim 22, wherein the processor further executes the computer-readable instructions to:

determine, based on the historical connection information, a historical connection address range allocated to the electronic device by the target wireless access point, wherein the historical connection address range comprises at least one connection address;

obtain, from a preset connection address set, at least one connection address different from any one connection address in the historical connection address range to form a first pre-selection set, wherein the preset connection address set comprises a plurality of connection addresses comprising all the connection addresses of the historical connection address range; and

determine one connection address in the first pre-selection set as the first address.

25. The electronic device according to claim 24, wherein the processor further executes the computer-readable instructions to:

randomly select one connection address from the first pre-selection set as the first address; and

a second selection module, configured to select one connection address with an address rank value meeting a preset address selecting rule from the first pre-selection set as the first address.

26. The electronic device according to claim 22, wherein the processor further executes the computer-readable instructions to:

extract a current connection address range allocated by the target wireless access point from the information of the current address range allocated by the target wireless access point in the connection result signal sent from the target wireless access point, wherein the current connection address range comprises at least one connection address;

obtain, from a preset connection address set, at least one connection address different from any one connection address in the current connection address range to form a second pre-selection set, wherein the preset connection address set comprises a plurality of connection addresses comprising all the connection addresses in the current connection address range;

determine one connection address in the second pre-selection set as the second address; and

control the electronic device to connect to the target wireless access point using the second address.