Communication Systems

Principles of MAC-level operation in communication systems
QPSK communication system with adaptive alignment
The encryption model using a substitution-permutation network (SP-network)
Audio modem, the revival of data transmission technology through sound
Comparison of DSB AM and DSBSC AM modulation in a channel with limited white noise
Analysis of the theoretical characteristics of BER for various c AWGN modulation methods
OFDM Oversampled Signal Model
Comparison of the effectiveness of communication systems with and without convolutional coding.
4-FSK modulator and demodulator
QPSK and the effects of time synchronization
The model of the transmitter
Translating text into Morse code
Evaluation of the characteristics of the ultrashort wave radio channel model
Digital communication channel
The XOR encryption model
PDUs in DMR
The gamut
Discrete event model of a Wi-Fi network
The system model of the physical layer of the DMR protocol
Slow-scan television
Calculation of BER for QPSK
Checksum calculation in Engee
The effect of single BER pulses
Declaring model parameters
The Scrambler
Calculation of BER for 8-PSK
DMR: formation of LC and A–E packets.
OFDM modulation: principles of operation and practical implementation*
Baseband modulation
The permutation cipher model
Tone Generator
OFDM communication model based on QPSK
Substitution Cipher Model
Modulation analysis
Calculation of BER for BPSK
Generating the FIR filter using command control
Analysis of modulation schemes