Karteikarten
CWNA
Karten in diesem Stapel (6)
- 1Bit Pattern substituted for original transmission bitsChipping code
- 2Advantages of using DSSSerror correction
less interference
shared frequency bandwidth
security - 3OFDMOrthogonal Frequency Division Multiplexing
- 4Send Multiple signals at same timeOFDM
split high-speed digital signal into several slower signals running in parallel - 5Transmits secondary copy along with primary infoForward Error Correction (FEC)
- 4 of 52 channels used for FEC
- secondary copy used to recover lost data - 6Guard Interval protects against whatMultipath