WIRELESS LAN TERMINAL, A WIRELESS LAN ACCESS POINT AND A WIRELESS LAN SYSTEM

• US 20110243112A1
• Filed: 03/16/2011
• Published: 10/06/2011
• Est. Priority Date: 03/30/2010
• Status: Abandoned Application

• Current Assignee: NEC Access Technica Limited (NEC Corporation)
• Original Assignee: NEC Access Technica Limited (NEC Corporation)
• Inventors: MISUMI, JUN
• Application Number:
  US13/049,156
• Publication Number:
  US 20110243112A1
• Time in Patent Office: Days
• US Class Current: 370/338
• CPC Class Codes: H04W 12/02 Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
• CPC Class Codes: H04W 12/06 Authentication
• CPC Class Codes: H04W 12/71 Hardware identity
• CPC Class Codes: H04W 12/73 Access point logical identity
• CPC Class Codes: H04W 48/14 using user query or user detection
• CPC Class Codes: H04W 76/10 Connection setup
• CPC Class Codes: H04W 8/245 from a network towards a terminal
• CPC Class Codes: H04W 84/12 WLAN [Wireless Local Area Networks]

Abstract

A wireless LAN terminal according to the present invention comprises a communication unit which performs wireless communication with a wireless LAN access point, a wireless parameter request unit which transmits a probe request for requesting wireless parameters used for the wireless communication to the wireless LAN access point via the communication unit and a wireless parameter setup unit which receives a probe response from the wireless LAN access point as a response to the probe request of the wireless parameter request unit via the communication unit and sets up the wireless parameters included in the probe response.

Claims

1. A wireless LAN terminal comprising:

a communication unit which performs wireless communication with a wireless LAN access point;

a wireless parameter request unit which transmits a probe request for requesting wireless parameters used for the wireless communication to the wireless LAN access point via the communication unit; and

a wireless parameter setup unit which receives a probe response from the wireless LAN access point as a response to the probe request of the wireless parameter request unit via the communication unit and sets up the wireless parameters included in the probe response.

2. The wireless LAN terminal according to claim 1, wherein the wireless parameter request unit has a function to transmit the probe request which is used to select any one from a plurality of the wireless LAN access points.

3. The wireless LAN terminal according to claim 2, wherein the wireless parameter request unit transmits the probe request including information on a MAC address of the wireless LAN access point in order to select any one from a plurality of the wireless LAN access points.

6. The wireless LAN system comprising a wireless LAN terminal, and the wireless LAN access point according to claim 3.

wherein the wireless LAN terminal comprises:

a communication unit which performs wireless communication with a wireless LAN access point;

a wireless parameter request unit which transmits a probe request for requesting wireless parameters used for the wireless communication to the wireless LAN access point via the communication unit; and

a wireless parameter setup unit which receives a probe response from the wireless LAN access point as a response to the probe request of the wireless parameter request unit via the communication unit and sets up the wireless parameters included in the probe response.

4. A wireless LAN access point comprising:

a communication unit which performs wireless communication with a wireless LAN terminal;

a wireless parameter change unit which changes the wireless parameters used for the wireless communication; and

a wireless parameter response unit which transmits a probe response including the wireless parameters to the wireless LAN terminal via the communication unit when a probe request which requests the wireless parameters is received from the wireless LAN terminal via the communication unit.

5. The wireless LAN access point according to claim 4, wherein the wireless parameter change unit has a function to change the wireless parameters periodically.

7. A method for controlling a wireless LAN terminal equipped with a communication unit for performing wireless communication with a wireless LAN access point, the method comprising the steps of:

transmitting a probe request which requests wireless parameters used for the wireless communication to the wireless LAN access point via the communication unit;

receiving a probe response from the wireless LAN access point as a response to the probe request via the communication unit; and

setting up the wireless parameters included in the probe response.

8. The control method for controlling a wireless LAN terminal according to claim 7, wherein the probe request is used to select any one from a plurality of the wireless LAN access points.

9. The control method for controlling a wireless LAN terminal according to claim 8, wherein the probe request includes information on a MAC address of the wireless LAN access point in order to select any one from a plurality of the wireless LAN access points.

10. A method for controlling a wireless LAN access point equipped with a communication unit for performing wireless communication with a wireless LAN terminal, the method comprising the steps of:

changing wireless parameters used for the wireless communication; and

transmitting a probe response including the wireless parameters to the wireless LAN terminal via the communication unit when receiving a probe request which requests the wireless parameters from the wireless LAN terminal via the communication unit.

11. The control method for controlling a wireless LAN access point according to claim 10, the method further comprising the step of changing the wireless parameters periodically when the wireless parameters used for the wireless communication are changed.

12. A computer-readable memory containing a control program used in a wireless LAN terminal equipped with a computer and a communication unit which performs wireless communication with a wireless LAN access point, the program causes a computer to execute steps of:

transmitting a probe request which requests wireless parameters used for the wireless communication to the wireless LAN access point via the communication unit;

a processing of receiving a probe response from the wireless LAN access point as a response to the probe request via the communication unit; and

a processing of setting up the wireless parameters included in the probe response.

13. The computer-readable memory according to claim 12, wherein the probe request is used to select any one from a plurality of the wireless LAN access points.

14. The computer-readable memory according to claim 13, wherein the probe request includes information on a MAC address of the wireless LAN access point in order to select any one from a plurality of the wireless LAN access points.

15. A computer-readable memory containing a control program used in a wireless LAN access point equipped with a computer and a communication unit which performs wireless communication with a wireless LAN terminal, the program causes a computer to execute steps of:

changing wireless parameters used for the wireless communication; and

transmitting a probe response including the wireless parameters to the wireless LAN terminal via the communication unit when receiving a probe request which requests the wireless parameters from the wireless LAN terminal via the communication unit.

16. The computer-readable memory according to claim 15, wherein when the wireless parameters used for the wireless communication are changed, the program causes a computer to execute a processing of changing the wireless parameters periodically.