What is the advantage of phase shift keying?
What is the advantage of phase shift keying?
Some of the major advantages of PSK are: It allows information to be transmitted in the radio communication in a way more efficiently as compared to that of FSK. It is quite less prone to error when we evaluate ASK modulation. We can achieve a high rate of data transmission using this technique.
What are the applications of phase shift keying?
The term PSK or Phase shift keying is broadly used in a radio communication system. This kind of technique is mostly compatible with data communications. It allows information in a more efficient way to be carried over a radio communications signal compare with other modulation forms.
What are the advantages and disadvantage of FSK?
Extensively used in low-speed modems having bit rates below around 1200 bits/sec. This increases the channel bandwidth required to transmit the FSK signal type. It uses larger bandwidth compared to other modulation techniques like ASK and PSK. Hence it is not bandwidth efficient.
What are the advantages of digital modulation technique?
In wireless communication systems, the advantages of digital modulation—including high data transmission capacity, excellent data compatibility, high data security, good communication quality, and fast system accessibility—make it widely used.
What are the advantages of ASK?
Advantages of ASK modulation:
- It offers high bandwidth efficiency.
- It has a simple receiver design.
- Its generation and detection are easy thus facilitate a simple transmitter and receiver section.
- ASK modulation and demodulation are relatively low-cost methods.
What are the advantages and disadvantages of BPSK?
➨BPSK demodulator requires to make only two decisions in order to recover original binary information. Hence BPSK receiver is very simple compare to other modulation types. ➨BPSK is power efficient modulation technique as less power is needed to transmit the carrier with less number of bits.
What is the advantage of QAM over ASK and PSK?
QAM advantage: data rate = 2 bits per bit-interval! PSK modulators are often designed using the QAM principle, but are not considered as QAM since the amplitude of the modulated carrier signal is constant. QAM is used extensively as a modulation scheme for digital telecommunication systems.
What are the various advantages of FSK over ASK?
Advantages
- Simple process to construct the circuit.
- Zero amplitude variations.
- Supports a high data rate.
- Low probability of error.
- High SNR (signal to noise ratio).
- More noise immunity than the ASK.
- Error-free reception can be possible with FSK.
- Useful in high-frequency radio transmissions.
Which of the following is not a advantage of FSK?
Drawbacks or disadvantages of FSK Following are the disadvantages of FSK: ➨It uses larger bandwidth compare to other modulation techniques such as ASK and PSK. Hence it is not bandwidth efficient. ➨The BER (Bit Error Rate) performance in AWGN channel is worse compare to PSK modulation.
What are 4 advantages of digital communication?
The digital communication is fast, easier and cheaper. Digital communication has excellent processing techniques are available for digital signals processing such as processing methods like image processing, video processing, data compression, channel coding and equalization etc. Much less bulky than analog equivalent.
What are advantages and disadvantages of modulation?
Advantages and Disadvantages of Frequency Modulation
Advantages | Disadvantages |
---|---|
Power Consumption is less as compared to AM. | More complicated receiver and transmitter |
Adjacent FM channels are separated by guard bands. | The antennas for FM systems should be kept close for better communication. |
What is ASK advantages and disadvantages?
➨It offers lower power efficiency. ➨ASK modulation is very susceptible to noise interference. This is due to the fact that noise affects the amplitude. Hence another alternative modulation technique such as BPSK which is less susceptible to error than ASK is used.