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chip rate
(redirected from Pseudorandom noise)

    Also found in: Wikipedia 0.01 sec.
chip rate
In direct sequence spread spectrum technologies such as DSSS and CDMA, it is the number of bits per second (chips per second) used in the spreading signal. A different spreading signal is added to the data signal to code each transmission uniquely. The number of chips (bits) in the spreading signal is significantly greater than the data bits. Chip rate is measured in "megachips per second" (Mcps), which is millions of chips per second. See spread spectrum, CDMA and 802.11.
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The Air Force initiated Project 621B in 1963 to evolve a concept based on a pseudorandom noise signal.
The global positioning system: a case study in the challenges of ... by Skeen, Matthew E. / Joint Force Quarterly
By modulating the data signal with a pseudorandom noise pattern that changes continually according to a defined sequence, each bit of data (or, more correctly, each `symbol') is effectively transmitted at several different frequencies at once.
Faster, less expensive Internet access by Klein, Dennis / Communications News
 
 
 
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