Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-06T00:50:52.342012Z
Paper Citation Record · LEDGER
As of 22 August 2026, this Paper Citation Record lists 31 of 31 outbound references and 1 inbound Pith citation observation for arXiv:2508.04222.
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 2026-08-06T00:50:52.342012Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-22T06:32:14.747728+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-02T05:18:32.122019Z
A source-named dated measurement, never combined with another source.
Source: cited_works
31 of 31 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation ca92c6e8-710b-49cf-9a85-dfa347a55242 · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Future technology trends of terrestrial international mobile telecommu- nications systems towards 2030 and beyond,
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 066a2772-e3fb-462b-aef9-c6f529335b57 · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP On the road to 6G: Visions, requirements, key technologies, and testbeds,
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation eed9bb9c-0028-48dd-9bd6-2e68e9203e41 · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP A tutorial on near-field XL- MIMO communications towards 6G,
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation f5d4fbef-6957-4dbb-8c4b-3d0d9b5b20db · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Spherical wave channel and analysis for large linear array in LoS conditions,
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 98672a57-142f-44be-ab4f-f2c1e9b3218d · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Near-field communications: A tutorial review,
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 4d16294d-f56d-460b-aa61-79aeb5dd2afe · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Towards very large aperture massive MIMO: A measurement based study,
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 7ba3c865-4640-4b7f-8404-b4e9aa170fd1 · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Non-stationarities in extra-large-scale massive MIMO,
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation efd1c671-e98e-49ed-b5cc-8b0966bfe9db · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Scaling up MIMO: Opportunities and challenges with very large arrays,
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation e7e0f36c-0279-4c41-9603-901beb03bd7f · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Measurement-based analysis of millimeter-wave channel sparsity,
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 6da9e29f-a0ae-4075-820d-d3a2fd420ccf · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Wireless channel sparsity: Measurement, analysis, and exploitation in estimation,
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 694b91be-c355-43c3-95d1-524175a16799 · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Deterministic ray tracing: A promising approach to THz channel modeling in 6G deployment scenarios,
Reference 11
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 4ae6fd8b-d551-4f6f-9e21-1ed85d705bba · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Channel sparsity variation and model-based analysis on 6, 26, and 105 GHz measurements,
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation b17278af-45e0-409a-9c41-f16d0cbfaee9 · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Compressed channel sensing: A new approach to estimating sparse multipath chan- nels,
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 205bff05-fece-497d-afde-78906eb29a1f · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Application of com- pressive sensing to sparse channel estimation,
Reference 14
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 932b9d62-7683-4c08-a303-fdc14ed5e298 · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Massive-MIMO sparse uplink channel estimation using implicit training and compressed sensing,
Reference 15
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation c1ac5881-da08-4e56-b1a8-9982560136b2 · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Joint burst LASSO for sparse channel estimation in multi-user massive MIMO,
Reference 16
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 8e58b836-b094-4cc7-b0cd-1647de0b7800 · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Channel estimation and precoder design for millimeter-wave communications: The sparse way,
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation b96f9430-931f-4cef-a660-b42666a8a7af · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Leveraging sparsity into massive MIMO channel estimation with the adaptive-LASSO,
Reference 18
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation b2410065-c83a-4a20-bb66-816086c05793 · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Joint visibility region detection and channel estimation for XL-MIMO systems via alternating MAP
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation cf61bc46-2040-43c1-87f1-4cb76524075a · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Channel esti- mation for XL-RIS-aided millimeter-wave systems,
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 324c3451-89f1-4672-882b-8c7c60e82a58 · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Hierarchical-block sparse bayesian learning for spatial non-stationary massive MIMO channel estimation,
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 5f717641-50c6-4fdf-8d94-d3486baa1a67 · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Adaptive grouping sparse bayesian learning for channel estimation in non-stationary uplink massive MIMO systems,
Reference 22
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation a5ea2c48-b218-4931-8858-c0d4e4913385 · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Greed is good: Algorithmic results for sparse approximation,
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 49840135-6844-45dd-9ed5-d5745260f28b · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Channel estimation for extremely large-scale MIMO: Far-field or near-field?
Reference 24
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 5c508a33-12d2-4678-b5a3-cc22781f83cd · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Spatial non- stationary near-field channel modeling and validation for massive MIMO systems,
Reference 25
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 4c32a8f3-ca1b-4124-b913-0f062b731117 · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Channel estimation for extremely large-scale massive MIMO systems,
Reference 26
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 43b96169-bf16-4d97-bb84-babdd88d3cc6 · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Non-stationary channel estimation for extremely large-scale MIMO,
Reference 27
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation ccad597c-5688-4460-90c6-2b45fbb7f0d2 · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Joint visibility region and channel estimation for extremely large-scale MIMO systems,
Reference 28
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 4f2faa8f-4c0c-4255-a3ca-31476f5d6b4b · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Properties of focused apertures in the fresnel region,
Reference 29
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation e458e7f8-dd8b-4bed-8489-9630a5371367 · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP Propagation by diffraction,
Reference 30
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 7dcba35b-5224-4562-a1d0-7133e0fa4552 · outbound
Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP The viterbi algorithm,
Reference 31
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 85285e55-fa57-483e-be82-5b5bce012454 · inbound
Parametric Diffraction-Based Object Sensing: Modeling, Estimation, and Fundamental Limits Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP
Reference 20
Source-reported events for the cited work
Unavailable: canonical work link unavailable.