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Anleitung Zusammenfassung
The communication speed varies depending on the distance between communication devices, existence of obstacles between such devices, the device configuration, the radio conditions, and the software in use. In addition, communications may be cut off depending on the radio conditions. The communication range varies depending on the actual distance between communication devices, existence of obstacles between such devices, the radio conditions, the ambient environment that includes existence of walls and materials of such walls, and the software in use. Actual communication speed may not be as fast as the one displayed on your computer. Deploying IEEE 802.11b and IEEE 802.11g products on the same wireless network may reduce the communication speed due to radio interference. Taking this into consideration, the IEEE 802.11g products are designed to reduce the communication speed to ensure communications with IEEE 802.11b products. When the communication speed is not as fast as expected, changing the wireless channel on the access point may increase the communication speed. Using Your VAIO Computer > Using the Wireless LAN n 59 N Communicating without an Access Point (Ad-hoc) An ad-hoc network is a network in which a LAN is created only by wireless devices themselves, with no other central controller or access point. Each device communicates directly with other devices in the network. You can set up an ad-hoc network easily at home. Using Your VAIO Computer > Using the Wireless LAN n 60 N To communicate without an access point (ad-hoc) ! The IEEE 802.11a standard, using the 5 GHz band, and the IEEE 802.11n draft standard, using the 2.4 GHz or 5 GHz band, are not available on ad-hoc networks. 1 Turn on the WIRELESS switch. 2 Click the button next to or above your desired wireless option(s) in the VAIO Smart Network window. Make sure the WIRELESS indicator light turns on. 3 Click Start and Control Panel. 4 Click View network status and tasks under Network and Internet. 5 Click Set up a new connection or network. 6 Select an option to specify the ad-hoc network settings and click Next. 7 Follow the on-screen instructions. Using Your VAIO Computer > Using the Wireless LAN n 61 N Communicating with an Access Point (Infrastructure) An infrastructure network is a network that extends an existing wired local network to wireless devices by providing an access point (not supplied). The access point bridges the wireless and wired LAN and acts as a central controller for the wireless LAN network. The access point coordinates transmission and reception from multiple wireless devices within a specific range. The access point will select which channel to use on an infrastructure network. ! For details on how to select the channel that will be used by the access point, see the manual that came with your access point. Using Your VAIO Computer > Using the Wireless LAN n 62 N To connect to a wireless network 1 Make sure an access point is set up. See the manual that came with your access point for more information. 2 Turn on the WIRELESS switch. 3 Click the button next to or above your desired wireless option(s) in the VAIO Smart Network window. Make sure the WIRELESS indicator light turns on. ! Wireless LAN communication (IEEE 802.11a standard) using only the 5 GHz band, available on selected models only, is disabled by default. To enable 5 GHz band communication, you need to select the option to use the 5 GHz band or both the 2.4 GHz and 5 GHz bands from the drop-down list on the WLAN tab in the VAIO Smart Network settings window. 4 Click or on the taskbar. 5 Select the desired access point and click Connect. . For WPA-PSK or WPA2-PSK authentication, you must enter a passphrase. The passphrase is case sensitive and must be a text string between 8 and 63 characters in length or a hexadecimal string of 64 characters. Using Your VAIO Computer > Using the Wireless LAN n 63 N Stopping Wireless LAN Communications To stop wireless LAN communications Click the button next to or above the WLAN icon in the VAIO Smart Network window. ! Turning off the wireless LAN function while accessing remote documents, files, or resources may result in data loss. Using Your VAIO Computer > Using the Wireless WAN n 64 N Using the Wireless WAN Using the wireless WAN (WWAN) allows your computer to connect to the Internet through the wireless network wherever there is the mobile phone coverage. The WWAN may not be available in some countries or areas. See Wireless WAN Regulations Guide in Regulations, Guarantee, and Service Support to find out in which countries or areas the WWAN is available. Features and options in this section may not be available on your computer. See the specifications to find out about the configuration of your computer. Using Your VAIO Computer > Using the Wireless WAN n 65 N Inserting a SIM Card To use the wireless WAN function, you first need to insert a SIM card into the SIM card slot on your computer. Your SIM card is contained w...
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