The Institute of Electrical and Electronics Engineers (IEEE) announces that work has begun on two new heterogeneous wireless network standards, under 1900.4 category. The first project, 1900.4a, looks to utilizes white space, also known as unused wireless spectrum. The second project, 1900.4.1, deals with interfaces and access points, to make sure that both the network side and terminal side of the 1900.4 system are interoperable.

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