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What is the difference between FDM and OFDMA?
* FDM - hava a guard band , if the band width for the data is x * OFDM - no guard band , x/2 band with
What is purpose of guard band?
Also called a frequency guard band, a narrow frequency band between adjacent channels in multiplexing that is kept unused to prevent the channels from overlapping and causing crosstalk among modulated signals. Guard bands are commonly used in FDM but are also used in any data transmission method that relies on frequencies.
Find the minimum bandwidth for FDM five sources each requiring 400Hz 200Hz guard band per channel?
no of sources: 5 bandwidth required for each source= 400 Hz no of guard times= 5 bandwidth of each guard time = 200 Hz minimum bandwidth = 5 *400 + 5*200 Hz
Define and describe FDM?
FDM: Frequency-division multiplexing. A multiplex system for transmitting two or more signals over a common path by using a different frequency band for each signal.
When FDM is used how many users can be support?
It is based on the band width of the system and bandwidth located to each channel in it.
What is the population of FDM Group?
The population of FDM Group is 900.
When was FDM Group created?
FDM Group was created in 1991.
What are necessary documents when a guard is posted?
What are necessary documents when a guard is posted
When was United States Coast Guard Band created?
United States Coast Guard Band was created in 1925.
5 Explain integrated microwave FDM system?
Explain integrated microwave FDM system.
How is interference avoided by using FDM?
Interference is avoided under frequency division multiplexing by the use of guard bands, which are unused portions of the frequency spectrum between subchannels. by abdullahi yusuf gedi
How can you change the downloaded files in FDM?
To change the files in FDM just open the folder and use a converter to change the files.
