Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-16T11:26:19.840620Z
Paper Citation Record · LEDGER
As of 17 August 2026, this Paper Citation Record lists 54 of 54 outbound references and 2 inbound Pith citation observations for arXiv:2504.15737.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-16T11:26:19.840620Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-17T06:30:58.91139+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-05T18:05:43.494220Z
A source-named dated measurement, never combined with another source.
Source: pith, observed 2026-08-05T17:05:40.076724Z
54 of 54 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 05d4c3e1-77ee-4cc2-858e-2295420fc21c · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? On the road to 6G: Visions, requirements, key technologies and testbeds,
Reference 1
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation ab4e7a45-2b73-4b9a-a940-0d95548543d8 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Holographic MIM O communications: Theoretical foundations, enabling techn ologies, and future directions,
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation e8bf8635-b489-4c4a-83f9-338c4f9b4ea0 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Performance analysis and low-complexity design fo r XL- MIMO with near-field spatial non-stationarities,
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation a59edc0b-1f55-4c5f-aff9-a7a2f6851290 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Opt imal Bi- linear Equalizer for Cell-Free Massive MIMO Systems over Co rrelated Rician Channels,
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation eaa61cb0-fab3-4497-89b7-e6ed4decf6d7 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Modeling and performance ana lysis for movable antenna enabled wireless communications,
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation a613531e-1216-4759-88cd-2cfc88d8f66a · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? A survey of energy-efficient techniques for 5G networ ks and challenges ahead,
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 7b2c33d7-2ad0-4b17-abf1-5a88db5974ef · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? RIS-aided cell-free massive MIMO systems for 6 G: Fundamentals, system design, and applications,
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation eea84630-b838-42a1-9a8c-2acd3e4474e6 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Intelligent reflecting surface enhan ced wire- less network via joint active and passive beamforming,
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 30fd4fc7-407c-4e5c-be71-6c86e73560fa · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Smart radio environments emp owered by reconfigurable intelligent surfaces: How it works, state of research, and the road ahead,
Reference 9
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 641797d1-9287-4e93-8be0-b0f38937fe5d · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Uplink performan ce of RIS-aided cell-free massive MIMO system with electromag netic interference,
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 176f7ca1-9859-48cc-8872-42d7a6773016 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Cooperat ive beamforming for RIS-aided cell-free massive MIMO networks ,
Reference 11
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 26bb45d7-ff4c-4dfc-a4c0-fa645859d5e8 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Reconfigurable intelligent surfaces for energy ef ficiency in wireless communication,
Reference 12
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9284706f-d480-4102-9511-6c2e4bf83e49 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Energy efficiency and spectral efficiency tradeoff in RIS-aided mul tiuser MIMO uplink transmission,
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation c7b1321b-d0ab-45ae-b8d5-2d5ff4bf5bde · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Energy e fficiency maximization in RIS-aided cell-free network with limited b ackhaul,
Reference 14
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 845aa2d6-3182-4d44-a27a-c78cf6776a3a · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Energy efficie ncy optimization in RIS-aided wireless networks: Active versu s nearly- passive RIS with global reflection constraints,
Reference 15
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 0cddc87e-735a-45bd-9052-385bbec70e10 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Low-complexity chann el estimation and passive beamforming for RIS-assisted MIMO s ystems relying on discrete phase shifts,
Reference 16
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 9d355c6e-08fd-444c-b2fd-b79b011d3724 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Reconfigura ble intelligent surfaces: Performance assessment through a sy stem-level simulator,
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 0f350f35-cb22-4e54-9447-d0a879e47651 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? On the opti mal number of reflecting elements for reconfigurable intelligen t surfaces,
Reference 18
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 59568b2d-cded-4470-84c5-c2bca00bb6e6 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? All-optical machine learning using diffractive deep neural networks,
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation e95afd13-510e-4c12-93ab-87ea814b86a3 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? A programmable diffractive deep 14 neural network based on a digital-coding metasurface array ,
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 6337754b-bc27-46bb-924a-b2a1fa5f4f95 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Physically consistent model ing of stacked intelligent metasurfaces implemented with beyond diagona l ris,
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 3b6ac7ce-74c3-4954-b456-ef6e2b0821db · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Stacked Intelligent Metasurfaces for Wireless Communications: Applications and Challenges
Reference 22
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 946c7ea2-6e3f-4fbd-abe2-3291dc6a5744 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Stacked intelligent metasurfaces for efficie nt holo- graphic MIMO communications in 6G,
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation a72063cb-ac8c-4833-b45e-cd0a683592b2 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Performance of double-stacked in telligent metasurface-assisted multiuser massive MIMO communicati ons in the wave domain,
Reference 24
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation badf5754-3321-4ea6-b663-9f723d887ec1 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Hybrid Digital-Wave Domain Channel Estimator for Stacked Intelligent Metasurface Enabled Multi-User MISO Systems
Reference 25
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation cf6c0e6a-57c8-4379-9ab2-2fc5ffa319a9 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? A survey on hybrid beamforming techniques i n 5G: Architecture and system model perspectives,
Reference 26
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 0a563de6-71ca-4161-bddc-dce4864f7993 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Machi ne learning based beam selection with low complexity hybrid be amforming design for 5G massive MIMO systems,
Reference 27
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 40ae2f49-3c60-478b-a087-9c60a4bd0dac · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? S tacked intelligent metasurface-based transceiver design for nea r-field wideband systems,
Reference 28
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation aef7ad7c-f236-4f0c-9b27-0ac8d4174b53 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Multi-user ISAC through Stacked Intelligent Metasurfaces: New Algorithms and Experiments
Reference 29
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 8319bd95-7b1c-44b7-8420-87cf8ca08f04 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Two-dimensional direction-of-arrival esti mation using stacked intelligent metasurfaces,
Reference 30
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation f1d1f578-b73c-4832-bdfb-20dfe370b15b · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? On the efficie nt design of stacked intelligent metasurfaces for secure SISO transm ission,
Reference 31
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 08709a8a-ea1e-48db-ad2b-c20f10eb99f3 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? S tacked in- telligent metasurfaces for holographic MIMO aided cell-fr ee networks,
Reference 32
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation fa385814-8fc3-48fd-9211-c6a41432a667 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Achievable rate optimization for stacked intelli- gent metasurface-assisted holographic MIMO communicatio ns,
Reference 33
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 17e63e17-5cba-4ac3-b295-eb4b0465792e · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Uplink per- formance of stacked intelligent metasurface-enhanced cel l-free massive MIMO systems,
Reference 34
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 457bc0a5-72a8-493d-b280-bb0fa2199afd · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Joint ap-ue association and precoding for sim-aided cell- free massive mimo systems,
Reference 35
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 21326698-7243-4fa2-bf1d-c67579716ba0 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Scaling Achievable Rates in SIM-aided MIMO Systems with Metasurface Layers: A Hybrid Optimization Framework
Reference 36
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 2ffbfa5f-b2fc-474e-9967-101154261770 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Achievable rate optimization for large stacked intel- ligent metasurfaces based on statistical CSI,
Reference 37
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation dab20c23-5a51-4360-b4b6-a73089ce8062 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Energy -efficient designs for SIM-based broadcast MIMO systems,
Reference 38
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5e40be38-663d-44f4-94cc-0fc55a56005f · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Sta cked intelligent metasurfaces for multiuser downlink beamform ing in the wave domain,
Reference 39
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation e125f0b5-44bf-4693-b27a-53d68731bdd0 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Stacked int elligent metasurface enabled LEO satellite communications relying on statistical CSI,
Reference 40
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 787bec94-b7c7-4457-b269-144ade7b947c · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Holographic MIMO communications with arbitrary surface p lace- ments: Near-field LoS channel model and capacity limit,
Reference 41
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation eb4494dd-1841-4b19-9dbb-72462284634d · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Rayleigh fading mode ling and chan- nel hardening for reconfigurable intelligent surfaces,
Reference 42
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 95c90158-839c-4a92-9622-4c38102092e9 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Channel customiza tion for joint Tx-RISs-Rx design in hybrid mmwave systems,
Reference 43
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 6fd0467e-9780-4283-ba66-e4beef2d1a4f · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? E nergy- efficient design in STAR-RIS assisted communication system with antenna selection,
Reference 44
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation fb9f799b-728b-44b1-9688-5644fd6c076d · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Energy-efficient multicell multigroup multica sting with joint beamforming and antenna selection,
Reference 45
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 7a6f0356-4061-4a93-8cea-a445e22e3582 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Fractional programming for communic ation systems—part i: Power control and beamforming,
Reference 46
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 874bb44a-d644-4c62-ae64-eb6d30d2ad9a · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? An iterativ ely weighted MMSE approach to distributed sum-utility maximization for a MIMO interfering broadcast channel,
Reference 47
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation cefb032e-465e-4d87-8a40-d850cf2eee0e · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Antenna selection in MIM O systems,
Reference 48
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation f9ff4517-4691-46b9-a40f-a8a329bc88a5 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Joint Precoding and AP Selection for Energy Efficient RIS-aided Cell-Free Massive MIMO Using Multi-agent Reinforcement Learning
Reference 49
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 244f5c49-0c9e-42b9-bf03-5e2b637c5610 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Semidefinite programming ,
Reference 50
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation b8a195d7-125f-4560-9972-f95781a5c90e · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Exploiti ng intelligent reflecting surfaces in NOMA networks: Joint beamforming opt imiza- tion,
Reference 51
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 42ff537c-d7a9-4563-b70b-447b530010e0 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Intelligent reflecting surface-assisted MU-MISO systems with imperfect hardware: Channel estimation and beamforming de sign,
Reference 52
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation b4bf865c-aaae-4c32-8516-06fbc41aba3b · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Minimization of functions having lipschit z continuous first partial derivatives,
Reference 53
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 3aa39316-20a2-48c5-805b-6533558f28c2 · outbound
Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need? Wideband millimeter-wave propagation measurements and c hannel models for future wireless communication system design,
Reference 54
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.
Observation 1f260008-d2ea-44f6-93d5-42b668eabbde · inbound
A Refined Alternating Optimization for Sum Rate Maximization in SIM-Aided Multiuser MISO Systems Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?
Reference 16
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 6be181bf-2eaa-486e-a94a-09021c0e881f · inbound
Enhancing Energy and Spectral Efficiency in IoT-Cellular Networks via Active SIM-Equipped LEO Satellites Energy-Efficient SIM-assisted Communications: How Many Layers Do We Need?
Reference 31
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.