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Paper Citation Record · LEDGER

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks

As of 7 August 2026, this Paper Citation Record lists 40 of 40 outbound references and 0 inbound Pith citation observations for arXiv:2604.13587.

A citation records a reference. It does not transfer a finding from one paper to another.

pith.paper-citation-record.v1
2604.13587 v1

Coverage vector

measured 40 of 40 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-05-10T13:23:42.376006Z

measured 40 of 40 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-07T06:34:17.273281+00:00

measured 0 of 0 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links

measured 0 of 1 external citation measurements

A source-named dated measurement, never combined with another source.

Source: cited_works

Reference resolution

40 of 40 outbound references displayed

  • verified exact6
  • verified fuzzy32
  • unresolved1
  • parse uncertain0
  • malformed identifier1
  • metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation 16f5b920-680e-448a-811d-fc114e97105b · outbound

This paper cites On the Road to 6G: Visions, requirements, key Technologies, and testbeds.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks On the Road to 6G: Visions, requirements, key Technologies, and testbeds

Reference 1

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation 57e6e8d3-2587-4ca9-b3bf-6396a7dd4949 · outbound

This paper cites AI and 6G into the metaverse: Fundamentals, challenges and future research trends.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks AI and 6G into the metaverse: Fundamentals, challenges and future research trends

Reference 2

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verified fuzzy
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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation 33de980d-d000-4055-987b-c6a27899b8e4 · outbound

This paper cites The roa d towards 6G: A comprehensive survey.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks The roa d towards 6G: A comprehensive survey

Reference 3

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation 55f3da43-b727-4350-aa92-52350898f532 · outbound

This paper cites V ehicle positioning with unitar y ap- proximate message passing-based DOA estimation under exac t spatial geometry.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks V ehicle positioning with unitar y ap- proximate message passing-based DOA estimation under exac t spatial geometry

Reference 4

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verified fuzzy
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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation 6d7b6e74-9000-4b5b-8195-cfc1cf999813 · outbound

This paper cites UA V -assisted communicati ons in SAGIN-ISAC: Mobile user tracking and robust beamforming.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks UA V -assisted communicati ons in SAGIN-ISAC: Mobile user tracking and robust beamforming

Reference 5

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation 1902f969-4e4a-4d3d-bd36-6f677a4ca46a · outbound

This paper cites Hybrid index mod ulation for dual-functional radar communications systems.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Hybrid index mod ulation for dual-functional radar communications systems

Reference 6

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation a77cf538-b544-408a-83dc-6b755bb82585 · outbound

This paper cites Hybrid beamforming design a nd signal processing with fully-connected architecture for mmWave i ntegrated sensing and communications.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Hybrid beamforming design a nd signal processing with fully-connected architecture for mmWave i ntegrated sensing and communications

Reference 7

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation edbf0965-3ec8-4089-8b2b-9fb6d794c13f · outbound

This paper cites Cross-field c hannel esti- mation for ultra massive-MIMO THz systems.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Cross-field c hannel esti- mation for ultra massive-MIMO THz systems

Reference 8

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation 5a241fef-d81a-4d15-b569-bd3a40f4ae57 · outbound

This paper cites Millidegree-level di rection- of-arrival estimation and tracking for terahertz ultra-ma ssive MIMO systems.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Millidegree-level di rection- of-arrival estimation and tracking for terahertz ultra-ma ssive MIMO systems

Reference 9

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation eb0be9ee-5c1b-47bb-a2b9-7288d1596bf5 · outbound

This paper cites Dynamic-subarray w ith fixed phase shifters for energy-efficient terahertz hybrid beamf orming under partial CSI.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Dynamic-subarray w ith fixed phase shifters for energy-efficient terahertz hybrid beamf orming under partial CSI

Reference 10

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation c732760c-b802-4c5e-872d-55692013b75f · outbound

This paper cites Generalize d framework for hybrid analog/digital signal processing in massive and ultra-massive- MIMO systems.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Generalize d framework for hybrid analog/digital signal processing in massive and ultra-massive- MIMO systems

Reference 11

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation f5a10d0a-19e0-40d3-a76f-a78a51746165 · outbound

This paper cites Deep learning-based channel estimation for wideband hybrid mmW ave mas- sive MIMO.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Deep learning-based channel estimation for wideband hybrid mmW ave mas- sive MIMO

Reference 12

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verified fuzzy
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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation 4e747905-9520-47ec-bccd-5b04c3809e0f · outbound

This paper cites Reimagining wireless connectivity: The FAS-RIS synergy for 6G smart cities.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Reimagining wireless connectivity: The FAS-RIS synergy for 6G smart cities

Reference 13

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation 9a2aa76e-dbe1-4ca7-bb5f-a3237cb3a67b · outbound

This paper cites Fl uid antenna systems.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Fl uid antenna systems

Reference 14

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation 1dad5127-1a7b-49ef-b592-27339089d46b · outbound

This paper cites Bru ce Lee- inspired fluid antenna system: Six research topics and the po tentials for 6G.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Bru ce Lee- inspired fluid antenna system: Six research topics and the po tentials for 6G

Reference 15

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation 6376f57e-b2a5-40dc-a2d9-150dd28abf56 · outbound

This paper cites Toward liquid reconfigurable antenna arrays for wireless communications.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Toward liquid reconfigurable antenna arrays for wireless communications

Reference 16

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation 2542a8f8-aec0-498c-974f-e38f3a9d8548 · outbound

This paper cites Fl uid antenna system-Part I: Preliminaries.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Fl uid antenna system-Part I: Preliminaries

Reference 17

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation 10679ccb-2ae8-4742-941f-c42a05b338df · outbound

This paper cites Fluid Antennas Meet Intelligent Surfaces: Security Analysis of NOMA Systems Under Hardware Impairments.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Fluid Antennas Meet Intelligent Surfaces: Security Analysis of NOMA Systems Under Hardware Impairments

Reference 18

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation 8e0b604c-1765-4562-8c50-dc8dea8c9ba6 · outbound

This paper cites Joint activity detection and channel estimation for fluid antenna system exploiting geographical and angular inform ation.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Joint activity detection and channel estimation for fluid antenna system exploiting geographical and angular inform ation

Reference 19

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation 665039d4-3bba-4706-afde-c80de57289d0 · outbound

This paper cites Fluid antenna systems enabling 6G: Principles, applica- tions, and research directions.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Fluid antenna systems enabling 6G: Principles, applica- tions, and research directions

Reference 20

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation bcaea71e-d3d7-4de4-aabf-7f850a259fc9 · outbound

This paper cites NMAP-net: Deep learning-aided near-field multi-beamforming design and antenna position optimizati on for XL-MIMO communications.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks NMAP-net: Deep learning-aided near-field multi-beamforming design and antenna position optimizati on for XL-MIMO communications

Reference 21

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arxiv_id, observed 2026-05-10T13:25:25.258696Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation ddb70727-f65c-4766-a5b8-7a3619f6ccc9 · outbound

This paper cites Fluid antenna multiple acce ss.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Fluid antenna multiple acce ss

Reference 22

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation 08354ac2-a9e5-4528-9470-b3e6ed6f8da1 · outbound

This paper cites an unresolved cited work.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Unresolved cited work

Reference 23

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation 7733a76a-b0e2-4cb1-8c50-553f74cdc60b · outbound

This paper cites Opportunistic fluid antenna multiple access.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Opportunistic fluid antenna multiple access

Reference 24

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation 4d4903f9-c2c7-4a24-9aef-d889310e9545 · outbound

This paper cites F luid antenna system: New insights on outage probability and dive rsity gain.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks F luid antenna system: New insights on outage probability and dive rsity gain

Reference 25

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation 86c29f8f-0bda-4fa6-b183-9e3bbe775eaf · outbound

This paper cites Unleashing more potential from FAS: A framework of FAS-CoNOMA systems.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Unleashing more potential from FAS: A framework of FAS-CoNOMA systems

Reference 26

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

source=pdf_text observed=2026-05-10T13:23:42.376006Z digest=sha256:51e25760c2b0e1fb916ce6d4be64529dc5ff35f9b9b4efb930bb6e520fa4b62b

Observation a770c116-a709-468d-986a-41a4cf83c470 · outbound

This paper cites Toward Intelligent Antenna Positioning: Leveraging DRL for FAS-Aided ISAC Systems.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Toward Intelligent Antenna Positioning: Leveraging DRL for FAS-Aided ISAC Systems

Reference 27

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation b258401e-7506-4405-9a67-eadc496262ab · outbound

This paper cites FAS-RIS for V2X: Unlocking realistic performance analysis with finite elements.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks FAS-RIS for V2X: Unlocking realistic performance analysis with finite elements

Reference 28

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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation 929c37ed-bbf4-4537-954c-976f3da87b44 · outbound

This paper cites Revisiting spatial block-correlation model for fluid antenna systems: From constant to variable correlations.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Revisiting spatial block-correlation model for fluid antenna systems: From constant to variable correlations

Reference 29

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verified fuzzy
raw_fallback, observed 2026-05-19T00:12:55.000613Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation 8f21547b-04ef-48d3-a0f1-bebd72351980 · outbound

This paper cites Variable block-correlation modeling and optimization for secrecy analysis in fluid antenna systems.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Variable block-correlation modeling and optimization for secrecy analysis in fluid antenna systems

Reference 30

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arxiv_id, observed 2026-05-10T13:25:26.049465Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

source=pdf_text observed=2026-05-10T13:23:42.376006Z digest=sha256:1336cef5e8374dbfe9f4e18cdeca745034f5d33bcc5d67ead1979a6fc098ce87

Observation 9771263d-354e-4d30-b393-bbcdbb18bb58 · outbound

This paper cites Channel estimation for movable antenna communication systems: A framework based on compressed sensing.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Channel estimation for movable antenna communication systems: A framework based on compressed sensing

Reference 31

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verified fuzzy
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Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

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Observation c666f23d-b379-4427-b1d2-33c89bc4e926 · outbound

This paper cites The future is fluid: Revolutionizing DOA estimation with sparse fluid antennas.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks The future is fluid: Revolutionizing DOA estimation with sparse fluid antennas

Reference 32

Resolution
verified fuzzy
raw_fallback, observed 2026-05-19T00:12:54.940779Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

source=pdf_text observed=2026-05-10T13:23:42.376006Z digest=sha256:f262d9d2ee201a864104d8ab1471f36d6b4a101c6c64382589b49eaa4525baae

Observation 3ebb073f-7b43-46cf-8a2a-aff4257c729d · outbound

This paper cites A tutorial on fluid antenna system for 6G networks: Encompassing communication theory, optimization methods and hard- ware designs.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks A tutorial on fluid antenna system for 6G networks: Encompassing communication theory, optimization methods and hard- ware designs

Reference 33

Resolution
verified fuzzy
raw_fallback, observed 2026-05-19T00:12:54.936931Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

source=pdf_text observed=2026-05-10T13:23:42.376006Z digest=sha256:1ff294b57c2a605ca881d0789545a713d04f009e5add33b0f72ef13a1789c730

Observation b3aefa7e-6487-4872-9da6-2b5b3e6a92b5 · outbound

This paper cites A new look at the statistical model identific ation.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks A new look at the statistical model identific ation

Reference 34

Resolution
verified fuzzy
raw_fallback, observed 2026-05-19T00:12:54.945191Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

source=pdf_text observed=2026-05-10T13:23:42.376006Z digest=sha256:009fc5b8cc455203138024042727889b1c0d584c6b66bd47924d92237559464a

Observation 5160e846-0a26-41bc-84a0-97850808e0af · outbound

This paper cites Modeling by shortest data description.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Modeling by shortest data description

Reference 35

Resolution
verified fuzzy
raw_fallback, observed 2026-05-19T00:12:54.931822Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

source=pdf_text observed=2026-05-10T13:23:42.376006Z digest=sha256:3ff47b7ad324b1de7b59fd1ad4aecbcf079f6d438aea00c2dd84164dc42a1c8c

Observation 0f69a068-0851-4493-92b6-de81daaaf88e · outbound

This paper cites Source en umeration utilizing adaptive diagonal loading and linear shrinkage c oefficients.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Source en umeration utilizing adaptive diagonal loading and linear shrinkage c oefficients

Reference 36

Resolution
verified fuzzy
raw_fallback, observed 2026-05-19T00:12:54.977436Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

source=pdf_text observed=2026-05-10T13:23:42.376006Z digest=sha256:b3781f852e895b7d408016f4641fc74ab2979c5dee87eb4946fb5d0922c0862a

Observation 8a907ab5-d669-4ad8-a444-13d6997eaf5d · outbound

This paper cites Direction-of-arrival estimation for large antenna arrays with hybrid analog and digital architectures.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Direction-of-arrival estimation for large antenna arrays with hybrid analog and digital architectures

Reference 37

Resolution
verified fuzzy
raw_fallback, observed 2026-05-19T00:12:54.927577Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

source=pdf_text observed=2026-05-10T13:23:42.376006Z digest=sha256:276b0a4fc2f4d5cce486a65e1edbe74ac063887303b0a5c80e50fb104daef0f6

Observation 23b549cf-2932-40f6-be97-faef4b598179 · outbound

This paper cites Super-r esolution channel estimation for arbitrary arrays in hybrid millimet er-wave mas- sive MIMO systems.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Super-r esolution channel estimation for arbitrary arrays in hybrid millimet er-wave mas- sive MIMO systems

Reference 38

Resolution
verified fuzzy
raw_fallback, observed 2026-05-19T00:12:55.003958Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

source=pdf_text observed=2026-05-10T13:23:42.376006Z digest=sha256:7ebf8c2aa5e2581189474f7b37fdb2390ea676cb4d52593fd3aec4ebcea54e92

Observation f8e69a38-db6e-4fb4-8c8c-9da5495463de · outbound

This paper cites Direction of dep arture (DOD) and direction of arrival (DOA) estimation in MIMO rada r with reduced-dimension MUSIC.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Direction of dep arture (DOD) and direction of arrival (DOA) estimation in MIMO rada r with reduced-dimension MUSIC

Reference 39

Resolution
verified fuzzy
raw_fallback, observed 2026-05-19T00:12:54.970201Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

source=pdf_text observed=2026-05-10T13:23:42.376006Z digest=sha256:925a8b37fc6de19cdd844fb42635fcf8531a3f2fbde468d1468c9c5f48b66109

Observation 5fc334ef-9c55-4b7c-b66b-621270e52dfa · outbound

This paper cites Hybrid MIMO Architectures for Millimeter Wave Comm unica- tions: Phase Shifters or Switches?.

Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks Hybrid MIMO Architectures for Millimeter Wave Comm unica- tions: Phase Shifters or Switches?

Reference 40

Resolution
verified fuzzy
raw_fallback, observed 2026-05-19T00:12:54.933258Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.

source=pdf_text observed=2026-05-10T13:23:42.376006Z digest=sha256:ff4c503bec146fc80056715b94ac50be963ff86f949169d91c81795b9ebfa56c

Pith citing papers

No inbound Pith citation observations are available.