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Get Free AccessIn URLLC the performance of short message communications highly depends on the training sequence length due to the stringent latency and reliability requirements. In this paper, we study the performance of cooperative and non-cooperative transmissions under imperfect channel estimation and Rayleigh fading for URLLC. We assume a peak power constraint on pilot symbols in addition to the average power constraint which is used for comparison purposes. We obtain the optimal training length as a function of blocklength and power constraint factor to meet the URLLC requirements. Moreover, the simulation results show the impact of pilot overhead on reliability, latency, and goodput of cooperative communications compared to point-to-point transmission.
Parisa Nouri, Hirley Alves, Richard Demo Souza, Matti Latva-aho (2019). In-Band Pilot Overhead in Ultra-Reliable Low Latency Decode and Forward Relaying. 2022 IEEE 95th Vehicular Technology Conference: (VTC2022-Spring), 32, pp. 1-5, DOI: 10.1109/vtcspring.2019.8746566.
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Type
Article
Year
2019
Authors
4
Datasets
0
Total Files
0
Language
English
Journal
2022 IEEE 95th Vehicular Technology Conference: (VTC2022-Spring)
DOI
10.1109/vtcspring.2019.8746566
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