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"Political Postmodernisms shows how sites outside of Western Europe and North America undermine an established narrative of architecture theory and history. It focuses specifically on postmodern architecture, which is traditionally understood as embodying the flippant and apolitical aesthetics of capitalist affluence. By investigating postmodern architecture's manifestations in the unlikely settings of Chile during the neoliberal dictatorship of Augusto Pinochet and Poland during the late socialist Polish People's Republic, the book argues for a new account that incorporates the political roles it plays when seen in a global perspective. Political Postmodernisms has three goals. First, it challenges the familiar narrative regarding postmodern architecture as following the "cultural logic of late capitalism" (Fredric Jameson) or as a socially conservative project (Jürgen Habermas). Second, it fills in portions of Chilean and Polish architectural history that have been neglected by Chilean and Polish architectural historians themselves. Third, Political Postmodernisms shows how architecture can work as a political form - serving propagandistic purposes and functioning as part of oppositional projects. The book is projected to be of use to students and scholars in global modern and contemporary architecture history, history of urban planning, East European Studies, and Latin American Studies"--

The electromagnetic (EM) spectrum is the lifeblood of wireless communications and services. Accessing the spectrum has become ever-increasingly problematic. This is due to the current practices of frequency management based on pre-planned and static frequency allocation and assignments that can no longer accommodate explosive demands for EM spectrum. Without a paradigm shift in spectrum management, the growth of wireless services to meet demands, whether from commercial, civil, or military interests, will be severely curtailed in the coming years. In particular, spectrum-dependent devices, equipment, and systems will increasingly encounter significant competitive disadvantages, with critical consequences on our warfighting capability, when accessing the (seemingly or actually) overcrowded EM spectrum upon deployment in the U.S., and more so overseas. On the road forward, the transformation of spectrum management from the current static spectrum allocation and assignment to a more dynamic and responsive regime is greatly facilitated by the emerging concept of dynamic spectrum access (DSA) that enables spectrum-dependent devices, equipment, and systems to dynamically change their parameters to adapt their spectrum access according to criteria such as policy constraints, spectrum availability, propagation environment, and application performance requirements. In this paper, we present an overview of DSA architectures - opportunistic as well as coordinated, highlight their salient features, and focus on their implications on radios, networks, and spectrum usage which will provide responsive tactical and enabling strategic capabilities to the warfighter.