These requirements govern the allowed spectrum of a transmission and vary according to the bandwidth of the channel and the frequency of transmission.

这些需求根据信道带宽和发射频率改变，控制允许发送的频谱。

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Meanwhile, at the aspect of the use of usufruct of radio spectrum resources, the restriction of disposition should be opened, and transferring, leasing and mortgage of usufruct should be allowed.

同时，在用益权的行使方式方面，应当放开对处分权的限制，允许频谱资源用益权的转让、租赁和抵押。

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In our scheme, unlicensed users are allowed to adaptively select available spectrum, adopt dynamic spectrum access technology, improving spectrum utilization effectively.

该方案允许未授权用户自适应地选取可用带宽，实现了动态频谱接入，有效地提高了频谱利用率。

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In 2010 an auction of new spectrum allowed his mobile competitors to offer 3G mobile-data services.

ECONOMIST: Carlos Slim

When the FCC last conducted similar auctions in 2006, it allowed cable companies to bid for wireless spectrum as the regulatory agency wanted to increase competition in the wireless industry.

FORBES: Washington Says Not So Fast To Verizon Spectrum Grab

In the past, the FCC has allowed Deutsche Telekom to ownU.S.spectrum.

FORBES: Will The U.S.Allow Foreign Ownership Of A Giant Swath Of Our Broadband Spectrum?