The wireless medium must be shared between multiple devices that want to access various services simultaneously. To avoid interference, the devices have traditionally taken turns, which is known as orthogonal multiple access. The use of non-orthogonal multiple access (NOMA) techniques, where the devices are interfering in a controlled manner, was a popular theme in the research leading up to 5G. In this episode, Emil Björnson and Erik G. Larsson discuss the different forms of NOMA, and what their benefits and weaknesses are. They discuss what role NOMA plays in 5G and might play in future wireless technologies. To learn more, they recommend the article “Is NOMA Efficient in Multi-Antenna Networks? A Critical Look at Next Generation Multiple Access Techniques” (https://arxiv.org/abs/2101.04802). 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
32. Information-Theoretic Foundations of 6G (With Giuseppe Caire)
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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