A. Niknejad, S. V. Thyagarajan, E. Alon, Yanjie Wang, C. Hull
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引用次数: 24
Abstract
The fourth generation mobile phone standards (4G) in widespread use include Long Term Evolution (LTE) and LTE-A (Advanced), which support up to 44 bands internationally, or an aggregate bandwidth of about 1 GHz in TDD and FDD modes. Techniques such as carrier aggregation allow the mobile operator to maximize bandwidth and deliver high data rate to users. As demand for wireless connectivity continues to grow exponentially, a fifth generation (5G) standard is envisioned, with the requirement to deliver higher throughputs, more spectrum-particularly in the mm-wave bands-higher capacity through spatial diversity, and lower latency. The projected deployment date of 5G is in 2019, and various proposals are under consideration. This paper will highlight important implications for the design of transceivers for 5G, particularly those targeting the mm-wave bands.
目前广泛使用的第四代移动电话标准(4G)包括LTE (Long Term Evolution)和LTE- a (Advanced)，在国际上支持多达44个频段，在TDD和FDD模式下，总带宽约为1ghz。载波聚合等技术允许移动运营商最大化带宽并向用户提供高数据速率。随着对无线连接的需求持续呈指数级增长，人们设想了第五代(5G)标准，要求提供更高的吞吐量、更多的频谱(特别是在毫米波频段)、通过空间多样性提供更高的容量和更低的延迟。预计5G的部署日期是2019年，目前正在考虑各种提案。本文将重点介绍5G收发器设计的重要意义，特别是针对毫米波频段的收发器设计。
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