మూస:Cdma

మూస:Cdma

v t e Spread spectrum in Digital Communications
Main articles	Spread spectrum Code division multiple access (CDMA) History Hedy Lamarr Commercial use More...
Spread spectrum Methods	Direct-sequence spread spectrum (DSSS) Frequency-hopping spread spectrum (FHSS) Chirp spread spectrum (CSS) Time-hopping spread spectrum (THSS)
CDMA Schemes	W-CDMA TD-CDMA TD-SCDMA DS-CDMA FH-CDMA MC-CDMA
Major implementations	Space Network (NASA) GPS Galileo GLONASS Bluetooth Cordless phones: DECT Cellular EV-DO Mobile IS-95 (aka cdmaOne) CDMA2000 (aka IS-2000) Also Qualcomm Verizon
Major concepts	PN (pseudorandom noise) code Chip Near-far problem Power spectral density (PSD) Process gain Rake receiver Low probability of intercept
See also Digital communication Modulation Statistical multiplexing Waveform

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