Journal
IEEE COMMUNICATIONS LETTERS
Volume 24, Issue 6, Pages 1333-1337Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LCOMM.2020.2982151
Keywords
6G mobile communication; Array signal processing; Task analysis; Interference; Internet of Things; Uplink; Wireless communication; 6G; cellular IoT; integrating ECC; beamforming
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Funding
- National Natural Science Foundation of China [61871344, 61725104, 61922071]
- Zhejiang Provincial Natural Science Foundation of China [LR20F010002]
- National Science and Technology Major Project of China [2018ZX03001017-002]
- National Key R&D Program of China [2018YFB1801104]
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To jointly address the critical issues of the sixth-generation (6G) cellular internet of things (IoT), i.e., energy supply, data aggregation, and information transmission, we design a framework integrating energy, computation and communication (ECC). Firstly, the base station (BS) charges massive IoT devices simultaneously via wireless power transfer (WPT) in the downlink. Then, IoT devices with the harvested energy carry out the computation task and the communication task in the uplink over the same spectrum. To improve the overall performance of ECC, we propose a joint beamforming design algorithm for the BS and the IoT devices. Finally, simulation results validate the effectiveness of the proposed algorithm in 6G cellular IoT.
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