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. 2023 Apr 11;23(8):3884.
doi: 10.3390/s23083884.

Study of Resource Allocation for 5G URLLC/eMBB-Oriented Power Hybrid Service

Huan Xie  1 , Qiuming Zhang  1 , Shu Du  1 , Yang Yang  1 , Xue Wu  2 , Peng Qin  2 , Runze Wu  2 , Xiongwen Zhao  2
Affiliations

Study of Resource Allocation for 5G URLLC/eMBB-Oriented Power Hybrid Service

Huan Xie et al. Sensors (Basel). .

Abstract

With the rapid development of the 5G power Internet of Things (IoT), new power systems have higher requirements for data transmission rates, latency, reliability, and energy efficiency. Specifically, the hybrid service of enhanced mobile broadband (eMBB) and ultra-reliable low-latency communication (URLLC) has brought new challenges to the differentiated service of the 5G power IoT. To solve the above problems, this paper first constructs a power IoT model based on NOMA for the mixed service of URLLC and eMBB. Considering the shortage of resource utilization in eMBB and URLLC hybrid power service scenarios, the problem of maximizing system throughput through joint channel selection and power allocation is proposed. The channel selection algorithm based on matching as well as the power allocation algorithm based on water injection are developed to tackle the problem. Both theoretical analysis and experimental simulation verify that our method has superior performance in system throughput and spectrum efficiency.

Keywords: enhanced mobile broadband (eMBB) service; power Internet of Things; resource allocation; ultra-reliable low-latency communication (URLLC) service.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
System Model.
Figure 2
Figure 2
Total system throughput versus path loss factor.
Figure 3
Figure 3
The number of users versus throughput. (a) The number of URLLC users versus throughput. (b) The number of eMBB users versus throughput.
Figure 3
Figure 3
The number of users versus throughput. (a) The number of URLLC users versus throughput. (b) The number of eMBB users versus throughput.
Figure 4
Figure 4
Maximum allocated power of users versus throughput. (a) Maximum power allocated by URLLC users versus throughput. (b) Maximum power allocated by eMBB users versus throughput.
Figure 4
Figure 4
Maximum allocated power of users versus throughput. (a) Maximum power allocated by URLLC users versus throughput. (b) Maximum power allocated by eMBB users versus throughput.
Figure 5
Figure 5
BS power versus throughput.
Figure 6
Figure 6
The number of private channels versus spectrum efficiency.
See this image and copyright information in PMC

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