Abstract: This paper proposes the orthogonal time frequency space-based code index modulation (OTFS-CIM) scheme, a novel wireless communication system that combines ...

The ChatGPT-maker is releasing its “best model yet” as it faces new pressures from Google and other AI competitors. OpenAI has introduced GPT-5.2, its smartest artificial intelligence model yet, with ...

Escalating from last month’s internal warnings of rough vibes, OpenAI CEO Sam Altman has declared a company-wide “Code Red” to salvage his flagship product. As a result, the “Pulse” personal assistant ...