Asus PCEN15 user manual Ieee 802.11a 54Mbits/sec

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PCE-N15 WLAN Card User Manual

ICS

ICS is used to share one computer’s Internet connection with the rest of the computers on your network. When this computer is connected to the Internet, all the communications to and from the Internet on your network are sent through this computer which is called the host computer. The rest of the computers can send and receive e-mail messages and access the web as if it were connected directly to the Internet.

IEEE

The Institute of Electrical and Electronics Engineers. The IEEE sets standards for networking, including Ethernet LANs. IEEE standards ensure interoperability between systems of the same type.

IEEE 802.11

IEEE 802.xx is a set of specifications for LANs from the Institute of Electrical and Electronic Engineers (IEEE). Most wired networks conform to 802.3, the specification for CSMA/CD based Ethernet networks or 802.5, the specification for token ring networks. 802.11 defines the standard for wireless LANs encompassing three incompatible (non-interoperable) technologies: Frequency Hopping Spread Spectrum (FHSS), Direct Sequence Spread Spectrum (DSSS), and Infrared. 802.11 specifies a carrier sense media access control and physical layer specifications for 1 and 2 Mbps wireless LANs.

IEEE 802.11a (54Mbits/sec)

Compared with 802.11b: The 802.11b standard was designed to operate in the 2.4GHz ISM (Industrial, Scientific and Medical) band using direct-sequence spreadspectrum technology. The 802.11a standard, on the other hand, was designed to operate in the more recently allocated 5-GHz UNII (Unlicensed National Information Infrastructure) band. And unlike 802.11b, the 802.11a standard departs from the traditional spread-spectrum technology, instead using a frequency division multiplexing scheme that’s intended to be friendlier to office environments.

The 802.11a standard, which supports data rates of up to 54 Mbps, is the Fast Ethernet analog to 802.11b, which supports data rates of up to 11 Mbps. Like Ethernet and Fast Ethernet, 802.11b and 802.11a use an identical MAC (Media Access Control). However, while Fast Ethernet uses the same physical-layer encoding scheme as Ethernet (only faster), 802.11a uses an entirely different encoding scheme, called OFDM (orthogonal frequency division multiplexing).

The 802.11b spectrum is plagued by saturation from wireless phones, microwave ovens and other emerging wireless technologies, such as Bluetooth. In contrast, 802.11a spectrum is relatively free of interference.

ASUS WLAN Card

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Contents PCE-N15 Copyright 2011 ASUSTeK Computer Inc. All Rights Reserved Asus Computer International America Manufacturer contact informationASUSTeK Computer Inc. Asia-Pacific Technical supportTable of contents Federal Communications Commission Prohibition of Co-locationFCC Radiation Exposure Statement IC Warning Statement CE Mark WarningDGT Warning Statement ArticleAsus Recycling/Takeback Services IC Radiation Exposure StatementEC Declaration of Conformity Declaration of Conformity Bogazici BIL Gisayar SAN. VE TIC. A.S System requirements Package contentsIntroduction HardwareInstalling the PCE-N15 driver and utilities Complete the installationConfiguring PCE-N15 using Asus utility Connecting to a wireless network manuallyConnecting to a wireless network using WPS Select Use the WPS button, then click NextSelect Use PIN code Soft AP mode Windows XP/Vista/7 ACL Software information Asus Wlan Card Setting UtilityAsus Wlan Card Setting Utility system tray icon Asus Wlan Control CenterAsus Wlan Card Configuration Basic OthersConfiguration Encryption Configuration Advanced ManuallyConfiguring PCE-N15 using Windows WZC service My Wlan card cannot connect to any Access Points TroubleshootingHow do I verify that my Wlan card is installed properly? Connection quality is bad and the signal strength is weakTCP/IP protocol does not bind to the Wlan Card Glossary Cofdm for 802.11a or 802.11g Default KeyDhcp Dynamic Host Configuration Protocol Device NameDNS Server Address Domain Name System DSL Modem Digital Subscriber LineDirect-Sequence Spread Spectrum for 802.11b Encryption Extended Service Set ESSEssid Extended Service Set Identifier EthernetIeee Ieee 802.11a 54Mbits/secIeee 802.11b 11Mbits/sec Ieee 802.11gInfrastructure IP Internet Protocol ISP Internet Service ProviderMAC Address Media Access Control IP AddressPass Phrase NIC Network Interface CardPacket PPP Point-to-Point ProtocolRadio Frequency RF Terms GHz, MHz, Hz Ssid Service Set IdentifierWeca Wireless Ethernet Compatibility Alliance StationWPA Wi-Fi Protected Access Wlan Wireless Local Area NetworkRequirements