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Krishna Sankar M


15 total contributions since 2008

Krishna Pillai is a Signal Processing Engineer based out of Bangalore, India. His typical activities on a working day involve identifying and modeling digital signal processing algorithms for wireless receivers.

He blogs @ http://www.dsplog.com.
The objective of the blog is to:
"Explain and discuss the basic text book concepts in digital signal processing and digital communication using simple Matlab/Octave scripts."
Professional Interests: DSP, wireless communication

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Contributions in
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MSK modulation and demodulation
Script for MSK modulation/demodulation and computing BER for different Eb/N0 in AWGN.

10 years ago | 8 downloads |

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Alamouti STBC
Discuss 2Tx. 1Rx transmit diversity scheme called Alamouti Space Time Block Coding (STBC)

10 years ago | 12 downloads |

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MIMO with Zero Forcing equalizer
Describes a 2x2 MIMO system using Zero Forcing equalizer in Rayleigh fading channel.

11 years ago | 12 downloads |

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BER for BPSK in Rayleigh channel
Simulates the BER for BPSK modulation in Rayleigh channel

11 years ago | 5 downloads |

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Simulation of an MSK transmission
Generates an MSK transmission

11 years ago | 4 downloads |

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BER for 16PSK with Gray mapping
Theory and simulation of bit error probability for 16PSK modulation using Gray coded mapping.

11 years ago | 4 downloads |

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16QAM BER with Gray Mapping
Derive the theoretical 16QAM bit error rate (BER) with Gray coded constellation mapping in AWGN

11 years ago | 9 downloads |

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QPSK (4QAM) symbol error rate
Simulates the symbol error rate for QPSK modulation scheme

11 years ago | 6 downloads |

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Symbol Error Rate in 4-PAM modulation
The script computes the symbol error rate for 4PAM modulation

11 years ago | 2 downloads |

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CORDIC for phase and magnitude computation
Uses the cordic approach to find the phase and magnitude of a complex number

11 years ago | 0 downloads |

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Digital implementation of RC low pass filter
Plot the step and frequency response of a digital RC filter

11 years ago | 4 downloads |

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Symbol Error Rate for 16QAM in AWGN channel
Comparison of simulated and theoretical symbol error rate for 16QAM

11 years ago | 12 downloads |

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Simulation of 16PSK symbol error rate
Compares theoretical and simulated symbol error rate

11 years ago | 1 download |

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spectrum of an OFDM transmit
A simple Matlab script where a BPSK modulated signal is transmitted on the 52 used subcarriers, loos

11 years ago | 6 downloads |

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Simulating CDF of Peak to Average Power Ratio for OFDM
Obtain the CDF plots of PAPR from an OFDM BPSK transmission specified per IEEE 802.11a specification

11 years ago | 3 downloads |

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