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OFDMA-based Broadcasting and Access Hybrid Network

Communication networks can be conveniently categorized into two types: those that provide point-to-point connectivity (e.g., cellular) and others that are 'broadcast' in nature (such as TV and radio) that are inherently 'point-to- multipoint'. This paper introduces an OFDMA-based cellular infrastructure that supports both broadcasting and cellular on a single-frequency platform. The fundamental limits of these hybrid modes of communications are investigated, along with the network capacity under different configurations based on cooperative transmission.