{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,11]],"date-time":"2025-12-11T19:03:53Z","timestamp":1765479833562,"version":"3.48.0"},"reference-count":18,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","issue":"12","license":[{"start":{"date-parts":[[2025,12,1]],"date-time":"2025-12-01T00:00:00Z","timestamp":1764547200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/ieeexplore.ieee.org\/Xplorehelp\/downloads\/license-information\/IEEE.html"},{"start":{"date-parts":[[2025,12,1]],"date-time":"2025-12-01T00:00:00Z","timestamp":1764547200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2025,12,1]],"date-time":"2025-12-01T00:00:00Z","timestamp":1764547200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["62471421"],"award-info":[{"award-number":["62471421"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Hong Kong Research Grants Council General Research Fund","award":["15230022"],"award-info":[{"award-number":["15230022"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEEE Wireless Commun. Lett."],"published-print":{"date-parts":[[2025,12]]},"DOI":"10.1109\/lwc.2025.3599590","type":"journal-article","created":{"date-parts":[[2025,8,18]],"date-time":"2025-08-18T19:45:12Z","timestamp":1755546312000},"page":"3852-3856","source":"Crossref","is-referenced-by-count":0,"title":["Beyond Diagonal Reconfigurable Intelligent Surface Enabled Sensing: Cram\u00e9r-Rao Bound Optimization"],"prefix":"10.1109","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3942-6725","authenticated-orcid":false,"given":"Xiaoqi","family":"Zhang","sequence":"first","affiliation":[{"name":"Department of Electrical and Electronic Engineering, The Hong Kong Polytechnic University, Hong Kong, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6509-9609","authenticated-orcid":false,"given":"Liang","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Electrical and Electronic Engineering, The Hong Kong Polytechnic University, Hong Kong, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4511-4154","authenticated-orcid":false,"given":"Shuowen","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Electrical and Electronic Engineering, The Hong Kong Polytechnic University, Hong Kong, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0236-6482","authenticated-orcid":false,"given":"Haijun","family":"Zhang","sequence":"additional","affiliation":[{"name":"Beijing Engineering and Technology Research Center for Convergence Networks and Ubiquitous Services, University of Science and Technology Beijing, Beijing, China"}]}],"member":"263","reference":[{"doi-asserted-by":"publisher","key":"ref1","DOI":"10.1109\/COMST.2022.3149272"},{"doi-asserted-by":"publisher","key":"ref2","DOI":"10.1109\/MCOM.001.2300632"},{"doi-asserted-by":"publisher","key":"ref3","DOI":"10.1109\/VTC2023-Fall60731.2023.10333395"},{"doi-asserted-by":"publisher","key":"ref4","DOI":"10.1109\/TWC.2023.3344021"},{"doi-asserted-by":"publisher","key":"ref5","DOI":"10.1109\/TSP.2023.3280715"},{"doi-asserted-by":"publisher","key":"ref6","DOI":"10.1109\/MWC.013.2300259"},{"doi-asserted-by":"publisher","key":"ref7","DOI":"10.1109\/JSAC.2023.3288261"},{"doi-asserted-by":"publisher","key":"ref8","DOI":"10.1109\/MCOM.001.2300019"},{"doi-asserted-by":"publisher","key":"ref9","DOI":"10.1109\/TWC.2022.3210706"},{"doi-asserted-by":"publisher","key":"ref10","DOI":"10.1109\/TWC.2023.3341262"},{"doi-asserted-by":"publisher","key":"ref11","DOI":"10.1109\/JSAC.2023.3288251"},{"doi-asserted-by":"publisher","key":"ref12","DOI":"10.1109\/LWC.2024.3386155"},{"doi-asserted-by":"publisher","key":"ref13","DOI":"10.1109\/TVT.2024.3385633"},{"doi-asserted-by":"publisher","key":"ref14","DOI":"10.1109\/TCOMM.2024.3447917"},{"doi-asserted-by":"publisher","key":"ref15","DOI":"10.1109\/COMST.2022.3177305"},{"doi-asserted-by":"publisher","key":"ref16","DOI":"10.1109\/TSP.2007.908999"},{"volume-title":"Fundamentals of Statistical Signal Processing: Estimation Theory","year":"1993","author":"Kay","key":"ref17"},{"doi-asserted-by":"publisher","key":"ref18","DOI":"10.1017\/CBO9780511921490"}],"container-title":["IEEE Wireless Communications Letters"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx8\/5962382\/11296636\/11127216.pdf?arnumber=11127216","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,12,11]],"date-time":"2025-12-11T18:46:58Z","timestamp":1765478818000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/11127216\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,12]]},"references-count":18,"journal-issue":{"issue":"12"},"URL":"https:\/\/doi.org\/10.1109\/lwc.2025.3599590","relation":{},"ISSN":["2162-2337","2162-2345"],"issn-type":[{"type":"print","value":"2162-2337"},{"type":"electronic","value":"2162-2345"}],"subject":[],"published":{"date-parts":[[2025,12]]}}}