Wireless connection system and wireless connection method

A wireless communication method performed by at least one host device and at least one client device, the method comprising the steps of:

• bringing the client device close to the host device and performing near field wireless communications therebetween when the host device and the client device perform wireless communications based on a predetermined wireless communication standard;
• and
• authenticating the client device with connection setting information through the near field wireless communications,
• wherein when the client device has been successfully authenticated with the connection setting information at the authentication step, the client device is permitted to perform the wireless communications, and
• wherein when the client device has not been successfully authenticated with the connection setting information at the authentication step, the client device is not permitted to perform the wireless communications.

A wireless communication method performed by at least two portable devices, the method comprising the steps of:

• bringing a first portable device close to a second portable device and performing near field wireless communications therebetween when the first portable device and the second portable device perform wireless communications based on a predetermined wireless communication standard;
• and
• authenticating the first portable device with connection setting information through the near field wireless communications,
• wherein when the first portable device has been successfully authenticated with the connection setting information at the authentication step, the first portable device is permitted to perform the wireless communications, and
• wherein when the first portable device has not been successfully authenticated with the connection setting information at the authentication step, the first portable device is not permitted to perform the wireless communications.