S331L UG PN: 10580-00321 Rev. M B-9
Glossary of Terms B-2 Glossary Terms
IP Address : An Internet Protocol address (IP address) is
usually a numerical label that is assigned to each
device (computer or printer, for example) that is
participating in a computer network that uses the
Internet Protocol for communication. An IP
address serves two main functions: location
addressing and host (or network) interface
identification. The Internet Protocol originally
defined an IP address as a 32-bit number. This
was known as Internet Protocol Version 4 (IPv4),
which is still in use. Growth of the Internet
requires a new addressing system. An Internet
Protocol Version 6 (IPv6) that uses 128 bits for the
address was developed in 1995, and it is
standardized as RFC 2460. IPv6 began being
deployed worldwide in the year 2000. IP addresses
are binary numbers, but they are usually stored in
text files and displayed in human-readable
notations, such as decimal nnn.nnn.nnn.nnn or
172.16.255.1 (for IPv4), and hexadecimal
nnnn.nnnn.nnnn.nnnn.nnnn.nnnn.nnnn.nnnn or
2C01:AB18:0:1234:FF03:567C:8:1 (for IPv6). In
IPv4, each decimal group (nnn) represents values
from 000 to 255, or binary values of 8 bits. In IPv6,
each hexadecimal group (nnnn) represents values
from 0000 to FFFF, or binary values of 16 bits
(0000 0000 0000 0000 to 1111 1111 1111 1111).
LPA : Linear Power Amplifier (LPA) is the final
amplification stage in a multicarrier transmitter
that has been designed and optimized to produce a
linear response. By operating in the linear mode,
the amplifier reduces the non-linear effects that
produce intermodulation products and side-lobe
spectra that cause adjacent channel interference.
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