Abstract
For the next generation of wireless sensor networks, this research paper proposes two distinguished, robust space-time codes with low complexity and full diversity. The channel is constructed using Quasi-deterministic radio channel generation (Quadriga), which pursues a geometric stochastic model. This paper discusses an uplink perspective on an industrial communication system. A master node design with four distributed antennas is suggested. Two antennas are available on slave nodes, where the proposed space time coding can be used. Additionally, zero-forcing (ZF) and minimum mean squared error (MMSE)-based low-complexity decoders are designed. The proposed codes outperform the Alamouti code under identical circumstances, according to simulation data. The simulation results show that a coding gain of about 5dB in comparison to Alamouti code is achieved. A high coding gain is attained, which results in a more reliable transmission, according to the bit error rate (BER). This research paper significantly contributes to the standardization of the next-generation wireless sensor networks.
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