自由空间光通信结合了光纤通信和微波通信的优势，已成为一种新兴的宽带无线通信方式，受到了人们的广泛关注。
Free space optical communication has the advantages of both fiber communication and microwave communication, and now it is a new broadband communications which arouses great interests of people.
通过在光纤中传输射频信号，研究既能利用光纤巨大带宽，又能发挥无线通信灵活方便等优势的光载无线技术得到了世界范围内的广泛关注。
Under this background, the research of radio over fiber which combines both advantages of wireless access and wired access is attracting attentions both from academia and industry all over the world.
通过在光纤中传输射频信号，研究既能利用光纤巨大带宽，又能发挥无线通信灵活方便等优势的光载无线技术得到了世界范围内的广泛关注。
Under this background, the research of radio over fiber which combines both advantages of wireless access and wired access is attracting attentions both from academia and industry all over the world.
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