eprintid: 10196818 rev_number: 7 eprint_status: archive userid: 699 dir: disk0/10/19/68/18 datestamp: 2024-09-11 10:11:42 lastmod: 2024-09-11 10:11:42 status_changed: 2024-09-11 10:11:42 type: article metadata_visibility: show sword_depositor: 699 creators_name: Yang, Halvin creators_name: Xu, Hao creators_name: Wong, Kai-Kit creators_name: Chae, Chan-Byoung creators_name: Murch, Ross creators_name: Jin, Shi creators_name: Zhang, Yangyang title: Position Index Modulation for Fluid Antenna System ispublished: inpress divisions: UCL divisions: B04 divisions: F46 keywords: Bit error rate, data rate, fluid antenna system, index modulation, position index modulation note: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. abstract: Fluid antenna system (FAS) represents all forms of movable and non-movable position-flexible antenna system, and opens up the possibility of a new form of modulation schemes. In this paper, we investigate the design of position index modulation (PIM) for FAS for decreasing the bit error rate (BER) while taking advantage of the rate gain in index modulation. We further derive the BER and data rate expressions to assess the achievable performance of PIM. Simulation results are provided to illustrate the performance and some insights are drawn into the impact of both channel estimation accuracy and transmission power. date: 2024-08-27 date_type: published publisher: Institute of Electrical and Electronics Engineers (IEEE) official_url: http://dx.doi.org/10.1109/twc.2024.3446658 oa_status: green full_text_type: other language: eng primo: open primo_central: open_green verified: verified_manual elements_id: 2311200 doi: 10.1109/TWC.2024.3446658 lyricists_name: Wong, Kai-Kit lyricists_name: Xu, Hao lyricists_id: KWONG98 lyricists_id: HXUCX90 actors_name: Wong, Kai-Kit actors_id: KWONG98 actors_role: owner full_text_status: public publication: IEEE Transactions on Wireless Communications pagerange: 1-1 issn: 1536-1276 citation: Yang, Halvin; Xu, Hao; Wong, Kai-Kit; Chae, Chan-Byoung; Murch, Ross; Jin, Shi; Zhang, Yangyang; (2024) Position Index Modulation for Fluid Antenna System. IEEE Transactions on Wireless Communications p. 1. 10.1109/TWC.2024.3446658 <https://doi.org/10.1109/TWC.2024.3446658>. (In press). Green open access document_url: https://discovery.ucl.ac.uk/id/eprint/10196818/1/Paper-TW-Feb-24-0290.pdf