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Non-orthogonal multiple access (NOMA) is envisioned to be one of the promising radio access techniques for the fifth generation (5G) mobile networks. In this paper, a portable NOMA testbed based on software defined radio (SDR) is developed by transporting our NOMA system to mini personal computers (PCs). Moreover, the NOMA testbed has been enhanced from 5 MHz bandwidth to 10 MHz bandwidth. As the...
Software Defined Radio (SDR) system has great advantages of high flexibility and better reconfigurability in simulating and verifying the new communication technologies. Among all the SDR systems based on general purpose processor (GPP), OpenAirInterface (OAI) is one of the most comprehensive and competitive open-source SDR systems. Due to the design of signal-thread processing in the system, the...
Non-orthogonal multiple access (NOMA) is envisioned to be one of the essential technologies for the fifth generation mobile network. In this paper, we implement a practical downlink NOMA system based on an open-source software defined radio (SDR) platform named as OpenAirInterface (OAI). For comparison purpose, our SDR-based NOMA system follows the basic specifications of long term evolution (LTE)...
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