Implementação de processador banda base ofdma para downlink lte em fpga

摘要

This work treats of an implementation OFDMA baseband processor in hardwarefor LTE Downlink. The LTE or Long Term Evolution consist the last stage ofdevelopment of the technology called 3G (Mobile System Third Generation) whichoffers an increasing in data rate and more efficiency and flexibility in transmission withapplication of advanced antennas and multiple carriers techniques. This technologyapplies in your physical layer the OFDMA technical (Orthogonal Frequency DivisionMultiple Access) for generation of signals and mapping of physical resources indownlink and has as base theoretical to OFDM multiple carriers technique (OrthogonalFrequency Division Multiplexing). With recent completion of LTE specifications,different hardware solutions have been developed, mainly, to the level symbolprocessing where the implementation of OFDMA processor in base band is commonlyconsidered, because it is also considered a basic architecture of others importantapplications. For implementation of processor, the reconfigurable hardware offered bydevices as FPGA are considered which shares not only to meet the high requirements offlexibility and adaptability of LTE as well as offers possibility of an implementationquick and efficient. The implementation of processor in reconfigurable hardware meetsthe specifications of LTE physical layer as well as have the flexibility necessary for tomeet others standards and application which use OFDMA processor as basicarchitecture for your systems. The results obtained through of simulation andverification functional system approval the functionality and flexibility of processorimplemented