Information theory is the research discipline that establishes the fundamental limits for information transfer, storage, and processing. Major advances in wireless communications have often been a combination of information-theoretic predictions and engineering efforts that turn them into mainstream technology. Erik G. Larsson and Emil Björnson invited the information-theorist Giuseppe Caire, Professor at TU Berlin, to discuss how the discipline is shaping current and future wireless networks. The conversation first covers the journey from classical multiuser information theory to Massive MIMO technology in 5G. The rest of the episode goes through potential future developments that can be assessed through information theory: distributed MIMO, orthogonal time-frequency-space (OTFS) modulation, coded caching, reconfigurable intelligent surfaces, terahertz bands, and the use of ever larger numbers of antennas. The following papers are mentioned: “OTFS vs. OFDM in the Presence of Sparsity: A Fair Comparison” (https://doi.org/10.1109/TWC.2021.3129975) , “Joint Spatial Division and Multiplexing”(https://arxiv.org/pdf/1209.1402.pdf), and “Massive MIMO has Unlimited Capacity” (https://arxiv.org/pdf/1705.00538.pdf). Music: On the Verge by Joseph McDade. Visit Erik’s website https://liu.se/en/employee/erila39 and Emil’s website https://ebjornson.com/
40. Synchronization of Massive Antenna Arrays
39. Radio Stripes at Terahertz (With Parisa Aghdam)
38. Things We Learned at the 6G Symposium
37. Wireless Future Panel Discussion (Live Podcast)
36. 6G from an Operator Perspective
35. Ten Challenges on the Road to 6G
34. How to Achieve 1 Terabit/s over Wireless?
33. Reproducible Wireless Research
31. Analog Modulation and Over-the-Air Aggregation
30. The Sionna Library for Link-Level Simulations (With Jakob Hoydis)
29. Six 6G Technologies: The cases for and against
28. Ultra-Reliable Low-Latency Communication (With Petar Popovski)
27. Open Air Interface (With Florian Kaltenberger)
26. Network Slicing
25. What Models are Useful?
24. Q&A With 5G and 6G Predictions
23. Wireless Localization and Sensing (With Henk Wymeersch)
22. Being Near or Far in Wireless
21. Wireless Coverage Without Beamforming
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