Instructions
Power on the PS3. Navigate to "Settings," then "Network Settings."
Select "Internet Connection Settings." You are warned that you will be temporarily disconnected from the Internet, then click "Yes" to continue.
Select "Easy," then "Wireless." Click "Scan." The PS3 will scan for your D-Link wireless network.
Select your D-Link wireless network in the list of networks within range.
Select the type of security setup on your network, then enter the password.
Click "Save Settings," then "Test Connection." The PS3 will attempt to connect to the network to ensure you entered the settings correctly. It will only take a moment. Once tested, a confirmation dialog will appear. You are now successfully connected to the D-Link network.