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26 NP643IEEE 802.11g PC Card Adapter
YML786 Rev1
DSSS: Direct Sequence Spread Spectrum. DSSS generates a redundant
bit pattern for each bit to be transmitted. This bit pattern is called
a chip (or chipping code). The longer the chip, the greater the
probability that the original data can be recovered. Even if one or
more bits in the chip are damaged during transmission, statistical
techniques embedded in the radio can recover the original data
without the need for retransmission. To an unintended receiver,
DSSS appears as low power wideband noise and is rejected
(ignored) by most narrowband receivers.
Dynamic IP Address: An IP address that is assigned automatically to a client station in a
TCP/IP network by a DHCP server.
Encryption: A security method that uses a specific algorithm to alter the data
transmitted, thus prevent others from knowing the information
transmitted.
ESS: ESS stands for “Extended Service Set”. More than one BSS is
configured to become Extended Service Set. LAN mobile users can
roam between different BSSs in an ESS.
ESSID: The unique identifier that identifies the ESS. In infrastructure
association, the stations use the same ESSID as AP’s to get
connected.
Ethernet: A popular local area data communications network, originally
developed by Xerox Corp., that accepts transmission from
computers and terminals. Ethernet operates on a 10/100 Mbps
base transmission rate, using a shielded coaxial cable or over
shielded twisted pair telephone wire.