Optimal choice of transmission parameters for LDPC-coded CPM

Mahsa Foruhandeh, Murat Uysal, Ibrahim Altunbaş, Tuna Guven, Alper Gercek

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Continuous phase modulation (CPM) has attractive features such as spectral efficiency and constant envelope making it attractive for tactical waveforms. Serial concatenation of CPM with Low Density Parity Check Codes (LDPCs) provides a superior performance due to coding gains of this powerful code family. The choice of proper combination of LDPC and CPM is crucial to satisfy the targeted tactical waveform requirements of spectral efficiency, power efficiency and receiver complexity. In this paper, we address the problem of selecting the optimal transmission parameters in an LDPC-coded CPM system to satisfy a given spectral efficiency subject to a constraint on the demodulator complexity. Specifically, we consider modulation index, alphabet size, pulse shape duration, and code rate as transmission parameters. Utilizing a systematic search procedure, we identify the proper transmission parameters to achieve a targeted spectral efficiency and error rate. Finally, we present a Monte Carlo simulation study to demonstrate the performance of selected LDPC-CPM schemes with and without jamming.

Original languageEnglish (US)
Title of host publicationProceedings - 2014 IEEE Military Communications Conference
Subtitle of host publicationAffordable Mission Success: Meeting the Challenge, MILCOM 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
Number of pages4
ISBN (Electronic)9781479967704
StatePublished - Nov 13 2014
Event33rd Annual IEEE Military Communications Conference, MILCOM 2014 - Baltimore, United States
Duration: Oct 6 2014Oct 8 2014

Publication series

NameProceedings - IEEE Military Communications Conference MILCOM


Conference33rd Annual IEEE Military Communications Conference, MILCOM 2014
Country/TerritoryUnited States


  • Continuous phase modulation
  • low density parity check codes
  • tactical waveforms

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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