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120Gbps!无线芯片速度新突破
半导体行业观察· 2026-01-24 02:39
Core Viewpoint - Researchers at the University of California, Irvine have developed a 140 GHz wireless chip that supports high-speed data transmission comparable to fiber optics, facilitating the transition to 6G and beyond [3]. Group 1: Chip Development - The chip's development began in 2020, led by Professor Payam Heydari, who recognized that traditional chip performance was nearing its limits [3]. - The goal was to achieve a milestone of 100 Gbps, which is 100 times the current wireless device speeds, without overheating the chip [3]. Group 2: New Transmitter Design - Researchers identified that as wireless transmission speeds increase, the energy required for data processing grows exponentially, leading to a need for improved transmitter designs [4]. - The team overcame the DAC bottleneck by using three synchronized sub-transmitters to construct signals directly in the RF domain, significantly enhancing efficiency [4]. Group 3: Receiver Innovations - The team also developed a smarter receiver to address the sampling bottleneck encountered at high speeds, which consumes substantial power [5]. - The new receiver employs a technique called layered analog demodulation, allowing for data extraction with significantly reduced power consumption [7]. Group 4: Practical Applications - The new receiver chip, built on a 22 nm process, consumes only 230 milliwatts and supports 140 GHz frequency transmission, enabling large-scale production and application [7]. - This technology, referred to as "wireless fiber jumpers," allows for ultra-fast transmission without physical cables, potentially transforming communication between machines, robots, and data centers [7].