Goncalves, LC; da Cunha, DF;
Recent Advances in Communications and Networking Technology
Goncalves, LC; Martins, RE; Ferrari, AB;
2015 23RD INTERNATIONAL CONFERENCE ON SOFTWARE, TELECOMMUNICATIONS AND COMPUTER NETWORKS (SOFTCOM)
In this article the complexity and runtime performance of two Multiuser Detectors for Direct Sequence-Code Division Multiple Access were evaluated in two hardware platforms in order of a possible deployment in base stations. The detectors are based on the Frequency Shift Canceller concatenated with a Parallel Interference Canceller. This detector is very scalable which shadows the complexity penalty of a serial implementation in which other detectors have advantage. Implementations for the Time Division-Code Division Multiple Access deployed in China, in two software platforms one in OpenMP and other in CUDA were done. It is demonstrated that a realtime implementation is possible with a General Propose Graphics Processor Unit. This is part of a broader project aiming to take advantage of present parallel hardware to bring improved Multiuser technology to the present and future Base Stations, mainly in Universal Mobile Telecommunications System-Time Division Duplex.
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