Howtosignalprocessing
- Can you transmit and receive on the same frequency?
- How can you have 2 signals communicate over the same line at the same time to one receiver?
- Can one antenna receive multiple signals?
- What makes it possible for multiple signals to be sent over the same wire?
Can you transmit and receive on the same frequency?
Current tactical communication systems are unable to simultaneously transmit (Tx) and receive (Rx) at the same radio frequency (RF), placing an inherent limitation on spectrum usage imposed by conventional duplexing and networking techniques.
How can you have 2 signals communicate over the same line at the same time to one receiver?
In frequency-division multiplexing (FDM), multiple signals are combined for transmission on a single communications line or channel, with each signal assigned to a different frequency (subchannel) within the main channel.
Can one antenna receive multiple signals?
Through cabling, splitting, and amplification, many signals can share the same antenna. Or, think of it this way: if one antenna functions well to pick up a single transmitter on multiple frequencies (what we call a broadband antenna) it also is able to collect or push out multiple signals on multiple frequencies.
What makes it possible for multiple signals to be sent over the same wire?
Multiplexing is a method used by networks to consolidate multiple signals -- digital or analog -- into a single composite signal that is transported over a common medium, such as a fiber optic cable or radio wave.
