Journal of Beijing University of Posts and Telecommunications

  • EI核心期刊

Journal of Beijing University of Posts and Telecommunications ›› 2020, Vol. 43 ›› Issue (3): 51-58.doi: 10.13190/j.jbupt.2019-187

• Papers • Previous Articles     Next Articles

Packet Error Probability Analysis of Multiuser MIMO-WET System with Short-Packet Transmission

ZHAO Wei, LUO Ya-fei, BAO Hui, WANG Bin   

  1. School of Electrical and Electronic Engineering, North China Electric Power University, Baoding 071000, China
  • Received:2019-09-09 Online:2020-06-28 Published:2020-06-24
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Abstract: Aiming at the characteristics of ultra-reliable low-latency communication transceiver equipment with limited energy and ultra-reliability requirements, the multi-antenna technology is applied to the short-packet transmission system of wireless energy harvesting and the packet error probability (PEP) performance of multiuser multi-antenna-wireless energy transmission (MIMO-WET) system with short-packet transmission is studied accordingly. Firstly, an approximate closed-form expression of the packet error probability is obtained by utilizing the cumulative distribution function of the signal-to-noise ratio for each user and the Gaussian function approximation method.Then the number of channel uses in the wireless energy transmission phase and the power allocation factors in the wireless information transmission (WIT) phase are jointly optimized for minimizing the sum-PEP of all users.Simulations validate the correctness of the closed expression of the packet error probability.It is shown that there are optimum numbers of channels uses for WET and WIT for given packet length of information transmission and the number of antennas.

Key words: short packet transmission, multi-antenna, wireless energy transfer, the packet error probability, latency

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