Question

what type of modulation used in mobile? What is the difference between space and mobile data transmission?​

Answer 1

Answer:

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Answer 2

GSM cell phones widely use a popular combination, Gaussian filtered MSK (GMSK), which allows a data rate of 270 kbits/s in a 200-kHz channel. A very popular digital modulation scheme, binary phase shift keying (BPSK), shifts the carrier sine wave 180° for each change in binary state.

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