SWIPT-Aided Device-to-Device Communications for Massive IoT Networks: A Novel Resource Allocation With Sparse Code Multiple Access
- Authors
- Kim, Hyeon Min; Nguyen, Hieu V.; Kang, Gil-Mo; Shin, Yoan; Shin, Oh-Soon
- Issue Date
- Nov-2023
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Device-to-device communication; Internet of Things; Resource management; Wireless communication; Quality of service; NOMA; Cellular networks; Device-to-device (D2D); power allocation; resource allocation (RA); simultaneous wireless information and power transfer (SWIPT); sparse code multiple access (SCMA); spectral efficiency (SE)
- Citation
- IEEE INTERNET OF THINGS JOURNAL, v.10, no.22, pp 19617 - 19629
- Pages
- 13
- Journal Title
- IEEE INTERNET OF THINGS JOURNAL
- Volume
- 10
- Number
- 22
- Start Page
- 19617
- End Page
- 19629
- URI
- https://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/49192
- DOI
- 10.1109/JIOT.2023.3282597
- ISSN
- 2327-4662
- Abstract
- Spectral efficiency (SE) and energy efficiency (EE) are crucial for next-generation wireless Internet of Things networks. Device-to-device (D2D) communications and sparse code multiple access (SCMA) are promising solutions to meet the high Quality of Service. This requires a proper interference management for an ultradense user system. Considering both resource and power allocation, we herein aim to optimize the SE and improve the EE. First, rate fairness is considered to assign SCMA codewords to both cellular and D2D users. Subsequently, we propose a beamforming design and power allocation algorithm for D2D communications underlaying downlink and uplink operation of cellular networks, wherein energy harvesting is involved as a simultaneous wireless information and power transfer to assist an SCMA network.
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