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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 system is presented. TDD-GBPS is a multiple input multiple output orthogonal frequency division multiplexing (MIMO-OFDM) system, capable of transmitting at a peak data rate of 1 Gbit/s over 100 MHz bandwidth. Aspects of TDD-GBPS system architecture, key physical layer transmission technologies and demonstration system hardware implementation are all covered. Testbed results of TDD-GBPS system are also provided in the paper to validate the system performance.

Design and implementation of time division-fourth generation (TD-4G) gigabit speed wireless communication system