Comparative Analysis of Multicarrier Waveforms for Terahertz-Band Communications †
Abstract
1. Introduction
2. Characteristics and Challenges of THz-Band
Comparative Analysis of Multicarrier Waveforms for Terahertz-Band Communications
3. Introducing the Multicarrier
4. Performance and Evaluation
4.1. Peak-to-Average Power Ratio (PAPR)
4.2. Complementary Cumulative Distribution Function (CCDF)
- i.
- Understanding CCDF:The Complementary Cumulative Distribution Function (CCDF) is defined as
- ii.
- Theoretical Values of CCDF:The theoretical CCDF depends on the assumed probability distribution; for example, if , thenFor other distributions (e.g., Normal, Weibull, Rayleigh), derive CCDF from their respective CDF formulas.
- iii.
- Simulated Values via MCM:To estimate CCDF via Markov Chain Monte Carlo (MCM), we should carry out the following steps:Step 1: Generate MCM Samples, simulate a Markov Chain that samples from the target distribution, and use Metropolis–Hastings or Gibbs Sampling to generate N samples.Step 2: Estimate CCDF from the samples, sort the simulated samples , and compute the empirical CCDF using
- iv.
- Plot Theoretical vs. Simulated CCDF:Plot theoretical CCDF: use the derived CCDF formula; plot the simulated CCDF: compute the empirical CCDF from MCM samples; comparison: the simulated CCDF should closely match the theoretical CCDF.
5. Comparative Analysis
5.1. OFDM
5.2. FBMC
5.3. GFDM
5.4. OTFS
6. Results and Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
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Ramavath, S.; Samal, U.C.; Patra, P.K.; Pattepu, S.; Budipi, N.R.; Jha, A.V. Comparative Analysis of Multicarrier Waveforms for Terahertz-Band Communications. Eng. Proc. 2025, 87, 41. https://doi.org/10.3390/engproc2025087041
Ramavath S, Samal UC, Patra PK, Pattepu S, Budipi NR, Jha AV. Comparative Analysis of Multicarrier Waveforms for Terahertz-Band Communications. Engineering Proceedings. 2025; 87(1):41. https://doi.org/10.3390/engproc2025087041
Chicago/Turabian StyleRamavath, Srinivas, Umesh Chandra Samal, Prasanta Kumar Patra, Sunil Pattepu, Nageswara Rao Budipi, and Amitkumar Vidyakant Jha. 2025. "Comparative Analysis of Multicarrier Waveforms for Terahertz-Band Communications" Engineering Proceedings 87, no. 1: 41. https://doi.org/10.3390/engproc2025087041
APA StyleRamavath, S., Samal, U. C., Patra, P. K., Pattepu, S., Budipi, N. R., & Jha, A. V. (2025). Comparative Analysis of Multicarrier Waveforms for Terahertz-Band Communications. Engineering Proceedings, 87(1), 41. https://doi.org/10.3390/engproc2025087041