[{"data":1,"prerenderedAt":300},["ShallowReactive",2],{"publication-2025\u002Fthroughput-improvement-for-ris-empowered-wireless-powered-anti-jamming-communica-en":3,"publication-members":67},{"_path":4,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":8,"description":9,"_hidden":6,"authors":10,"authors_orcid":18,"year":26,"doi":27,"openalex_id":28,"venue":29,"abstract_screenshot":30,"keywords":31,"body":38,"_type":60,"_id":61,"_source":62,"_file":63,"_stem":64,"_extension":65,"locale":66},"\u002Fpublications\u002F2025\u002Fthroughput-improvement-for-ris-empowered-wireless-powered-anti-jamming-communica","2025",false,"","Throughput Improvement for RIS-Empowered Wireless Powered Anti-Jamming Communication Networks (WPAJCN)","In this paper, we propose a reconfigurable intelligent surface (RIS)-aided wireless powered anti-jamming communication network (WPAJCN), where the RIS is utilized to participate in downlink wireless power transfer (WPT), as well as uplink anti-jamming wireless information transfer (AJ-WIT). To evaluate the network anti-jamming performance, we maximize a sum anti-jamming throughput, with the constraints of downlink WPT and uplink AJ-WIT time scheduling, and unit-modulus RIS phase shifts. The formulated problem is not convex in terms of these two types of coupled variables, which cannot be directly solved. To address this problem, the Lagrange dual method and Karush-Kuhn-Tucker conditions are presented to transform its sum-of-logarithmic objective function into the logarithmically fractional counterpart, which reformulate the original problem into that with respect to RIS phase shift vectors and WPT time scheduling. Next, we propose to apply the Dinkelback algorithm to solve a non-linear fractional programming with respect to the downlink WPT and uplink AJ-WIT RIS phase shifts in an alternating fashion, each of which is derived into a semi-closed solution by utilizing the Riemannian Manifold Optimization (RMO). In addition, the optimal WPT time scheduling is obtained by numerical search. Finally, the numerical results are demonstrated to confirm the improved performance of the proposed approach compared to the benchmark counterparts, which highlights the that RIS can effectively enhance the uplink anti-jamming WIT capability as well as the downlink WPT efficiency.",[11,12,13,14,15,16,17],"Chu, Zheng","Chieng, David","Kwong, Chiew Foong","Jin, Huan","Zhu, Zhengyu","Huang, Chongwen","Yuen, Chau",[19,20,21,22,23,24,25],"0000-0001-9715-3190","0000-0002-9674-3436","0000-0001-7857-511X","0000-0003-0721-8283","0000-0001-6562-8243","0000-0001-8398-8437","0000-0002-9307-2120",2025,"https:\u002F\u002Fdoi.org\u002F10.1109\u002Ftifs.2025.3563818","W4409723953","IEEE Transactions on Information Forensics and Security",null,[32,33,34,35,36,37],"Computer science","Throughput","Computer network","Wireless","Jamming","Telecommunications",{"type":39,"children":40,"toc":57},"root",[41],{"type":42,"tag":43,"props":44,"children":45},"element","p",{},[46,49],{"type":47,"value":48},"text","In this paper, we propose a reconfigurable intelligent surface (RIS)-aided wireless powered anti-jamming communication network (WPAJCN), where the RIS is utilized to participate in downlink wireless power transfer (WPT), as well as uplink anti-jamming wireless information transfer (AJ-WIT). To evaluate the network anti-jamming performance, we maximize a sum anti-jamming throughput, with the constraints of downlink WPT and uplink AJ-WIT time scheduling, and unit-modulus RIS phase shifts. The formulated problem is not convex in terms of these two types of coupled variables, which cannot be directly solved. To address this problem, the Lagrange dual method and Karush-Kuhn-Tucker conditions are presented to transform its sum-of-logarithmic objective function into the logarithmically fractional counterpart, which reformulate the original problem into that with respect to RIS phase shift vectors and WPT time scheduling. Next, we propose to apply the Dinkelback algorithm to solve a non-linear fractional programming with respect to the downlink WPT and uplink AJ-WIT RIS phase shifts in an alternating fashion, each of which is derived into a semi-closed solution by utilizing the ",{"type":42,"tag":50,"props":51,"children":54},"italic",{"xmlns:mml":52,"xmlnsXLink":53},"http:\u002F\u002Fwww.w3.org\u002F1998\u002FMath\u002FMathML","http:\u002F\u002Fwww.w3.org\u002F1999\u002Fxlink",[55],{"type":47,"value":56},"Riemannian Manifold Optimization (RMO). In addition, the optimal WPT time scheduling is obtained by numerical search. Finally, the numerical results are demonstrated to confirm the improved performance of the proposed approach compared to the benchmark counterparts, which highlights the that RIS can effectively enhance the uplink anti-jamming WIT capability as well as the downlink WPT efficiency.",{"title":7,"searchDepth":58,"depth":58,"links":59},2,[],"markdown","content:publications:2025:throughput-improvement-for-ris-empowered-wireless-powered-anti-jamming-communica.md","content","publications\u002F2025\u002Fthroughput-improvement-for-ris-empowered-wireless-powered-anti-jamming-communica.md","publications\u002F2025\u002Fthroughput-improvement-for-ris-empowered-wireless-powered-anti-jamming-communica","md","en",[68,77,81,87,90,100,104,111,113,121,125,137,141,150,154,161,163,170,172,179,181,188,190,197,199,211,215,224,227,237,241,250,253,261,263,285],{"_path":69,"title":70,"name":71,"role":72,"email":7,"image":73,"category":74,"order":75,"_id":76},"\u002Fmembers\u002Falumni\u002Frui-li","Research 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