Development of a MIMO/OFDM-Based Gbps Wireless Testbed for IMT-Advanced Technologies
نویسندگان
چکیده
According to International Telecommunication Union (ITU) requirements, future IMT-Advanced systems should support peak data rates of 100 Mbps and 1 Gbps, respectively, in high-speed mobile environment and stationary/pedestrian environment. In order to achieve this goal and evaluate related wireless technologies, we develop a MIMO/OFDM-based TDD-mode Gbps wireless testbed. This article describes the design details of its system architecture, frame structure, transmitter and receiver structures. Four types of broadband multimedia applications are used in system experiments and performance demonstrations in real indoor environments. With an effective transmission bandwidth of 96.48 MHz, our wireless testbed can achieve more than 1 Gbps transmission data rate with good Bit Error Rate (BER) and Frame Loss Rate (FLR) performance in stationary environments for different highlayer multimedia applications.
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