Month: December 2025

Study Highlights Why OTFS Outperforms OFDM in Doubly-Dispersive Channels

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Table of Links I. Abstract and Introduction II. Related Work III. Modeling of Mobile Channels IV. Channel Discretization V. Channel Interpolation and Extrapolation VI. Numerical Evaluations VII. Conclusions, Appendix, and References VII. CONCLUSIONS In this paper, we talked about the advantages of OTFS over OFDM in terms of spectral efficiency, resulting from the much reduced … Read more

The EU is probing Meta over WhatsApp’s AI chatbot restrictions

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The European Union has launched a formal investigation into Meta over antitrust concerns with AI restrictions in WhatsApp. The probe aims to “prevent any possible irreparable harm to competition in the AI space” according to the EU, and follows Meta announcing changes to WhatsApp’s terms for businesses in October that will prohibit companies from using … Read more

Get ready for an AI country music explosion

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When songwriter Patrick Irwin moved to Nashville last year, he was entering a lottery. Each day hundreds of sessions take place where writers create a song demo to pitch to a publisher. Publishers then share those songs with labels and managers, who may share those songs with the artists. Even if a major country star … Read more

Numerical Tests Highlight OTFS’s Spectral-Efficiency Gains Over OFDM

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Table of Links I. Abstract and Introduction II. Related Work III. Modeling of Mobile Channels IV. Channel Discretization V. Channel Interpolation and Extrapolation VI. Numerical Evaluations VII. Conclusions, Appendix, and References VI. NUMERICAL EVALUATIONS In this section, we will evaluate the theoretical analyses presented in the previous discussions, based on the WSSUS channel model. Consider … Read more