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On the achievable capacity of MIMO-OFDM systems in the cathlab environment
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Resumo(s)
In the last years, the evolution of digital communications has been harnessed by medical applications. In that context, wireless communications are preferable over wired communications, as they facilitate the work of health technicians by reducing cabling on the stretchers. However, the use of wireless communications is challenging, especially when high data rates and low latencies are required. In those scenarios, multiple-input multiple-output (MIMO) techniques might have an important role, thanks to the high capacity gains that they can exhibit, which ideally increase with the MIMO size. In this work, we study the propagation scenario of a typical medical laboratory through ray-tracing techniques. By taking into account the derived channel model, we study the potential of MIMO techniques in an IEEE 802.11ax environment. Through a set of performance results regarding the system capacity, we show that the MIMO gains might not be as high as supposed in the medical laboratory, being far from the ideal scenario. Therefore, the large data rates required by the modern medical imaging applications might only be achieved with a combination of MIMO systems and large bandwidths.
Descrição
aPES3N POCI-01-0145-FEDER-030629
Palavras-chave
Capacity Medical imaging MIMO OFDM Propagation Analytical Chemistry Biochemistry Atomic and Molecular Physics, and Optics Instrumentation Electrical and Electronic Engineering