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What is the difference between time division multiplexing and space division multiplexing?
Wiki User
∙ 14y ago
The difference is the way the data is separated and transmitted between two points.
In Space Division the data is separated physically i.e. the carrier medium is divided into different channels. This could be by using different wires, waveguides, optical cables, etc, or by frequency i.e. radio channel, carrier frequency.
Time Division uses the same channel in one of the above but different data is given a specific order and location in time for transmission.
e.g. Synchronsation followed by type (a) data, then type (b) data followed by a checksum. The whole process is repeated continuously until transfer is complete.
Wiki User
∙ 14y ago
Isa Mohammed
Wiki User
∙ 6y ago- frequency division multiplexing modulates each signal on a different frequency subcarrier. The overall communication bandwidth is divided into separate narrow bandwidths, one for each signal. The complete signal waveform for each signal is directly recoverable at the receiving end by demodulating the respective subcarriers.
- time division multiplexing places samples of each signal in different time slots. The overall communication periodic cycle time is divided into separate narrow time slots, one for each signal's sample. Only narrow samples of the signal's waveform arrive at the receiving end and once chopped apart from the other samples, the missing waveform between these samples must be interpolated to recreate an approximation of the original signal.
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