For all of the tumultuous revolutions in wireless technology over the past several decades, there have been a couple of constants. One is the overcrowding of radio bands, and the other are attempts to escape that congestion by exploiting higher and higher frequencies. And today, as engineers roll out 5G and plan for 6G wireless, they find themselves at a crossroads.

中文翻译：

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超材料可以解决 6G 的大问题之一 [行业观点]


过去几十年来，无线技术经历了所有动荡的革命，但有几个不变的事实。一是无线电频段的过度拥挤，二是试图通过利用越来越高的频率来摆脱拥塞。如今，当工程师推出 5G 并规划 6G 无线时，他们发现自己正处于十字路口。