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When developing gigabit speed communication systems, a lot of design and implementation challenges emerge. And prototype is important to assess the overall system performance and complexity trade-offs under real-world conditions. In this contribution, prototype design and implementation of a time division-fourth generation (TD-4G) system-time division duplex-gigabit speed (TDD-GBPS) demonstration...
Conventional optimal pilot sequences designed for MIMO OFDM system are derived with an assumption of fully employed subcarriers, like the phase shift sequences proposed by Imad. However, virtual subcarriers exist in practical OFDM based systems and they will lead to the loss of orthogonality for conventional multiple antenna pilot sequences. So in this paper we design a set of short orthogonal sequences...
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