New America Foundation responds to concerns about white space technology interfering with adjacent channels that are used by broadcasters:

Using adjacent channel leakage ratio and similar measures to deal with any interference in adjacent channels will keep white spaces devices from causing harmful interference to TV broadcasts, a coalition led by the New America Foundation told the FCC. The complexity of wideband data waveforms across the CMRS, PCS and now the Advanced Wireless Services bands led to "sophisticated tools," not yet used to regulate broadcast spectrum, to handle possible interference in adjacent channels, the coalition told the agency...

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