BARCELONA — Xiaomi plans to launch a new smartphone processor chip every year, the company's President Lu Weibing told CNBC, underscoring the company's ambition to expand into more sophisticated areas of technology. In a wide-ranging interview on Tuesday, Lu also said that Xiaomi is gearing up to launch its own AI assistant for overseas markets. Last year, Xiaomi launched the XRing O1 , a system-on-chip (SoC) based on an advanced 3 nanometer manufacturing process. Few smartphone makers design