Representing data in combination of QAM and BPSK

1. Is BPSK QAM?
2. Why do we need m ary QAM?
3. How many amplitude are there in 16 QAM?
4. What is m in m QAM?

Is BPSK QAM?

QAM is widely used multi-level modulation technique, with a variety of application in data radio communication system. BPSK is a simple but significant carrier modulation scheme. The design of modulation and demodulation is done through Very Large Scale Integration (VLSI) system design environment.

Why do we need m ary QAM?

Applications of M-ary QAM Schemes

Very dense constellation schemes such as 1024-QAM and 4096-QAM are used to achieve high levels of spectral efficiency in homeplug powerline Ethernet devices and can deliver data rates up to 500 Mbps. 1024-QAM scheme is particularly utilized for ultra high microwave backhaul systems.

How many amplitude are there in 16 QAM?

A Constellation diagram is used to plot those symbols in rectangular space. The 16-QAM design has 4 amplitudes and 12 phases.

What is m in m QAM?

The term M as in M-QAM indicates how many bits are transmitted per time interval or symbol for each unique amplitude/phase combination. The simplest form of QAM is 2-QAM, more commonly called QPSK or quadrature phase shift keying.