What is OFDM (Orthogonal Frequency Division Multiplexing)?

Orthogonal FDM is simply a type of digital communication technique that is developed for using in cable system mostly. In the case of wireless communication, OFDM is like as single carrier modulation as frequency division multiple access (FDMA), time-division multiple access (TDMA), and code-division multiple access (CDMA).

Difference between TDM and FDM

TDM (Time Division Multiplexing) and FDM (Frequency Division Multiplexing) both are multiplexing techniques where TDM is used in both analogue and digital signals. In contrast, FDM is only used in analogue signals. Here we will discuss both TDM and FDM in detail and we will also see the differences between these two.

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What is Time Division Multiplexing (TDM)?

TDM (Time Division Multiplexing) is the multiplexing technique. TDM works with digital signals as well as analogue signals. TDM share the timescale for the various signals. Synchronization pulse is important in Time Division Multiplexing. TDM divides the available time on the channel into discrete time slots, and each space is allocated to a different signal or data stream....

What is Frequency Division Multiplexing (FDM)?

FDM is the multiplexing technique which is used in analog system. In FDM, Guard band is required and the spectral efficiency of FDM is low. In FDM, Bandwidth(B) is committed to the different sources. Frequency Division Multiplexing (FDM) is mostly used in telecommunications and networking for transmitting multiple signals simultaneously over a single communication channel. FDM is generally used in such scenarios where multiple data streams has to be transmitted simultaneously without interfering with each other....

What is OFDM (Orthogonal Frequency Division Multiplexing)?

Orthogonal FDM is simply a type of digital communication technique that is developed for using in cable system mostly. In the case of wireless communication, OFDM is like as single carrier modulation as frequency division multiple access (FDMA), time-division multiple access (TDMA), and code-division multiple access (CDMA)....

Differences Between TDM and FDM

TDM FDM TDM stands for Time division multiplexing. FDM stands for Frequency division multiplexing. TDM works with digital signals as well as analog signals. While FDM works with only analog signals. TDM has low conflict. While it has high conflict. Wiring or chip of TDM is simple. While it’s wiring or chip is complex rather than simple. TDM is efficient. While it is inefficient. In TDM, time sharing takes place. While in this, frequency sharing takes place. In TDM, synchronization pulse is necessary. While in it Guard band is necessary....

Frequently Asked Questions

Q.1: Among TDM and FDM, which is more susceptible to interference?...

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