SeaSolve's 802.11a, 802.11b and
802.11g PHY layers can be incorporated as 802.11
functionality as chipset in their systems or in System on Chip
(SoC) design. Standard IP delivery includes source,
comprehensive documentation, system models and test benches,
offering a reduced design cycle time.
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802.11g PHY IP Core is a
synthesizable HDL implementation of IEEE Standard 802.11g 2003
Edition in VHDL. The IEEE 802.11g specification specifies the
Physical Layer Entity for a further higher data rate extension
in the 2.4 GHz ISM band which builds on the 802.11b standard
and uses Orthogonal Frequency Division Multiplexing (OFDM)
system similar to 802.11a standard to achieve higher data
rates.
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The wireless MAC is
developed with a flexible architecture in compliance with the
IEEE 802.11 Standard. The IEEE 802.11 MAC layer performs
medium access mechanism based on Distributed Coordinated
Function ( DCF), and it uses Carrier Sense Multiple Access
with Collision Avoidance protocol (CSMA/CA), which has a
built-in mechanism to avoid collisions and provide a fair
mechanism to the medium access.
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The Advanced Encryption Standard (AES)
specifies a FIPS-approved Cryptographic algorithm that can be
used to protect electronic data. AES algorithm is a symmetric
block cipher that can encrypt (encipher) and decrypt
(decipher) information. Encryption converts data to an
unintelligible form called cipher text, decrypting the cipher
text converts the data back into its original form, called
plain text.
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Reed-Solomon coding is a
type of forward-error correction that is used in
data-transmission vulnerable to channel noise, data-storage
and retrieval systems. Reed-Solomon codecs (encoders/decoders)
can detect and correct errors within blocks of data.
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An error-correcting code
is an algorithm for expressing a sequence of numbers such that
any errors that are introduced can be detected and corrected
(within certain limitations) based on the remaining numbers.
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