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Showing results 1 to 12 of 12

SCIESCOPUS
Advanced Physical-Layer Technologies for Beyond 5G Wireless Communication Networks

Khalid, Waqas; Yu, Heejung; Ali, Rashid; Ullah, Rehmat

ArticleIssue Date2021CitationSENSORS, v.21, no.9PublisherMDPI
SCIESCOPUSKCI
Effects of co-channel interference on RIS empowered wireless networks amid multiple eavesdropping attemptsopen access

Ruku, Md. Roisul Ajom; Ibrahim, Md.; Badrudduza, A. S. M.; Ansari, Imran Shafique; Khalid, Waqas; Yu, Heejung

ArticleIssue Date2024CitationICT EXPRESS, v.10, no.3, pp 491 - 497PublisherELSEVIER
SCIESCOPUSKCI
Enabling technologies for AI empowered 6G massive radio access networksopen access

Shahjalal, Md.; Kim, Woojun; Khalid, Waqas; Moon, Seokjae; Khan, Murad; Liu, ShuZhi; Lim, Suhyeon; Kim, Eunjin; Yun, Deok-Won; Lee, Joohyun, et al.

ArticleIssue Date2023CitationICT EXPRESS, v.9, no.3, pp 341 - 355PublisherELSEVIER
SCIESCOPUS
Joint Design of Improved Spectrum and Energy Efficiency With Backscatter NOMA for IoT

Le, Chi-Bao; Dinh-Thuan Do; Silva, Adao; Khan, Wali Ullah; Khalid, Waqas; Yu, Heejung; Nhan Duc Nguyen

ArticleIssue Date2022CitationIEEE ACCESS, v.10, pp 7504 - 7519PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
SCIESCOPUS
Optimal Operation of Active RIS-Aided Wireless Powered Communications in IoT Networks

Khalid, Waqas; Boulogeorgos, Alexandros-Apostolos A.; Van Chien, Trinh; Lee, Junse; Lee, Howon; Yu, Heejung

ArticleIssue Date2025CitationIEEE INTERNET OF THINGS JOURNAL, v.12, no.1, pp 390 - 401PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
SCIESCOPUS
Rate-Energy Tradeoff Analysis in RIS-SWIPT Systems With Hardware Impairments and Phase-Based Amplitude Response

Khalid, Waqas; Yu, Heejung; Cho, Juphil; Kaleem, Zeeshan; Ahmad, Shabir

ArticleIssue Date2022CitationIEEE ACCESS, v.10, pp 31821 - 31835PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
SCIESCOPUS
Reconfigurable Intelligent Surface for Physical Layer Security in 6G-IoT: Designs, Issues, and Advances

Khalid, Waqas; Rehman, M. Atif Ur; Chien, Trinh Van; Kaleem, Zeeshan; Lee, Howon; Yu, Heejung

ArticleIssue Date2024CitationIEEE Internet of Things Journal, v.11, no.2, pp 1 - 1PublisherInstitute of Electrical and Electronics Engineers Inc.
SCIESCOPUS
Residual Energy Analysis in Cognitive Radios with Energy Harvesting UAV under Reliability and Secrecy Constraints

Khalid, Waqas; Yu, Heejung; Noh, Song

ArticleIssue Date2020CitationSENSORS, v.20, no.10PublisherMDPI
SCIESCOPUS
RIS-Aided Physical Layer Security With Full-Duplex Jamming in Underlay D2D Networks

Khalid, Waqas; Yu, Heejung; Do, Dinh-Thuan; Kaleem, Zeeshan; Noh, Song

ArticleIssue Date2021CitationIEEE ACCESS, v.9, pp 99667 - 99679PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
SCIESCOPUS
RIS-Assisted Wireless Communications: Long-Term Versus Short-Term Phase Shift Designs

Van Chien, Trinh; Tu, Lam Thanh; Khalid, Waqas; Yu, Heejung; Chatzinotas, Symeon; Di Renzo, Marco

ArticleIssue Date2024CitationIEEE Transactions on Communications, v.72, no.2, pp 1 - 1PublisherInstitute of Electrical and Electronics Engineers Inc.
SCIESCOPUS
Security Improvement With QoS Provisioning Using Service Priority and Power Allocation for NOMA-IoT Networks

Khalid, Waqas; Yu, Heejung

ArticleIssue Date2021CitationIEEE ACCESS, v.9, pp 9937 - 9948PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
SCIESCOPUS
Simultaneous Transmitting and Reflecting-Reconfigurable Intelligent Surface in 6G: Design Guidelines and Future Perspectives

Khalid, Waqas; Kaleem, Zeeshan; Ullah, Rehmat; Van Chien, Trinh; Noh, Song; Yu, Heejung

ArticleIssue Date2023CitationIEEE NETWORK, v.37, no.5, pp 173 - 181PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
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