Paper Citation Record · LEDGER

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems

As of 16 August 2026, this Paper Citation Record lists 34 of 34 outbound references and 1 inbound Pith citation observation for arXiv:2501.18378.

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

pith.paper-citation-record.v1
2501.18378 v1

Coverage vector

measured 34 of 34 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-09T23:48:07.688578Z

measured 35 of 35 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-15T06:32:42.880941+00:00

measured 1 of 1 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-16T00:26:32.883423Z

measured 0 of 1 external citation measurements

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

Source: pith, observed 2026-08-16T00:26:32.945850Z

Reference resolution

34 of 34 outbound references displayed

verified exact0
verified fuzzy33
unresolved1
parse uncertain0
malformed identifier0
metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation d8faa29c-42bc-4b6a-a62d-8314e0d711f1 · outbound

This paper cites Shehata et al., ‘Optical and Terahertz wireless technologies: The race to 6G communications,” IEEE Wireless Commu., vol.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Shehata et al., ‘Optical and Terahertz wireless technologies: The race to 6G communications,” IEEE Wireless Commu., vol

Reference 1

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:08.312037Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 55ffa02b-f138-4d45-8aa3-0c2a2a721909 · outbound

This paper cites Hierarchical bandwidth modulations for ultra-broadband communications in the Terahertz band,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Hierarchical bandwidth modulations for ultra-broadband communications in the Terahertz band,

Reference 2

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:08.294992Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 71517d2b-5f3b-47e6-af89-3b44b7480f6f · outbound

This paper cites Vision-aided positioning and beam focusing for 6G Terahertz communications,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Vision-aided positioning and beam focusing for 6G Terahertz communications,

Reference 3

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:08.277116Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 04e95136-584d-4ac9-8d9e-f85e5bb93810 · outbound

This paper cites Beamforming technologies for ultra-massive MIMO in Terahertz communications,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Beamforming technologies for ultra-massive MIMO in Terahertz communications,

Reference 4

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:08.257550Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation f31193fa-6f65-440d-bf1d-1aad6eaf0c22 · outbound

This paper cites Stable estimation of pulses of unknown shape from multiple snapshots via ESPRIT,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Stable estimation of pulses of unknown shape from multiple snapshots via ESPRIT,

Reference 5

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:08.238647Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 8d7fe61f-fac3-4c86-8a55-ce913b0f3d38 · outbound

This paper cites Velocity profiling of a distributed target in fluctuating SNR environments,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Velocity profiling of a distributed target in fluctuating SNR environments,

Reference 6

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:08.220357Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 56269427-5779-43a1-9343-d95c15ea51a0 · outbound

This paper cites Compressive sampling framework for 2D-DOA and polarization estimation in mmWave polarized massive MIMO systems,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Compressive sampling framework for 2D-DOA and polarization estimation in mmWave polarized massive MIMO systems,

Reference 7

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:08.201688Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 68484fae-6234-481a-8c6f-48d41bdf23c1 · outbound

This paper cites Spatial structure matching-based DoA estimation and tracking for integrated sensing and communication massive MIMO OFDM system,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Spatial structure matching-based DoA estimation and tracking for integrated sensing and communication massive MIMO OFDM system,

Reference 8

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:08.184943Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 06ee4e90-c24f-4c20-a60b-b737f852f344 · outbound

This paper cites Deep learning-based multipath DoAs estimation method for mmWave massive MIMO systems in low SNR,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Deep learning-based multipath DoAs estimation method for mmWave massive MIMO systems in low SNR,

Reference 9

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:08.167461Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 74a97b72-d5be-4e02-8645-c64337b50c86 · outbound

This paper cites Deep learning based fingerprint positioning for multi- cell massive MIMO-OFDM systems,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Deep learning based fingerprint positioning for multi- cell massive MIMO-OFDM systems,

Reference 10

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:08.150085Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 1d1b7e0e-171c-4f4e-a85a-94fd06c99f04 · outbound

This paper cites A novel three-dimensional direction-of-arrival estimation approach using a deep convolutional neural network,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems A novel three-dimensional direction-of-arrival estimation approach using a deep convolutional neural network,

Reference 11

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:08.132348Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 8772010e-cb90-4e49-9f83-81c86403b1ad · outbound

This paper cites Performance analysis of an improved MUSIC DoA estimator,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Performance analysis of an improved MUSIC DoA estimator,

Reference 12

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:08.111867Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 4e3b2097-5c52-439f-992a-d57e76f4c5e2 · outbound

This paper cites Probability of resolution of MUSIC and G-MUSIC: An asymptotic approach,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Probability of resolution of MUSIC and G-MUSIC: An asymptotic approach,

Reference 13

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:08.095296Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 854bb361-8f96-4ed3-9d1c-3884657fcade · outbound

This paper cites PRINCE: a pruned AMP integrated deep CNN method for efficient channel estimation of millimeter-wave and terahertz ultra-massive MIMO systems,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems PRINCE: a pruned AMP integrated deep CNN method for efficient channel estimation of millimeter-wave and terahertz ultra-massive MIMO systems,

Reference 14

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:08.077344Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 3afcc2d4-ce8d-45b8-840a-ba879256f882 · outbound

This paper cites Terahertz wireless channels: A holistic survey on measurement modeling and analysis,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Terahertz wireless channels: A holistic survey on measurement modeling and analysis,

Reference 15

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:08.059028Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 2e4b9d15-1d1c-4bfb-b293-9f55705dbf97 · outbound

This paper cites Analog beamforming in MIMO communi- cations with phase shift networks and online channel estimation,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Analog beamforming in MIMO communi- cations with phase shift networks and online channel estimation,

Reference 16

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:08.039812Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 76a06921-c7fb-4db4-897d-301721e59b18 · outbound

This paper cites Hybrid beamforming design and signal processing with fully-connected architecture for mmWave integrated sensing and commu- nications,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Hybrid beamforming design and signal processing with fully-connected architecture for mmWave integrated sensing and commu- nications,

Reference 17

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:08.021672Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 48ac1bf9-216f-41af-9a06-c359933e8e01 · outbound

This paper cites Deep unfolding hybrid beamforming designs for THz massive MIMO systems,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Deep unfolding hybrid beamforming designs for THz massive MIMO systems,

Reference 18

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:08.004215Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 29e6a0f9-96e7-4805-9f88-8942f6d76d78 · outbound

This paper cites Cross-field channel estimation for ultra massive- MIMO THz systems,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Cross-field channel estimation for ultra massive- MIMO THz systems,

Reference 19

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:07.987171Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 8945a8ef-2ab5-4420-a98d-2eaeae57ba72 · outbound

This paper cites Learning energy-efficient transmitter configurations for massive MIMO beamforming,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Learning energy-efficient transmitter configurations for massive MIMO beamforming,

Reference 20

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:07.970642Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 3ab324a4-74d2-4f7d-9110-55a644c8903f · outbound

This paper cites Hybrid precoding/combining for mmWave MIMO systems with hybrid array architecture,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Hybrid precoding/combining for mmWave MIMO systems with hybrid array architecture,

Reference 21

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:07.954050Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 5078db80-2784-4e79-87b6-d3dbcd3e106a · outbound

This paper cites Dynamic hybrid beamforming design for dual-function radar-communication systems,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Dynamic hybrid beamforming design for dual-function radar-communication systems,

Reference 22

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:07.937630Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 5d6f2a9d-8ebb-4d53-b04d-446571b8f2cb · outbound

This paper cites Dynamic-subarray with fixed phase shifters for energy- efficient terahertz hybrid beamforming under partial CSI,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Dynamic-subarray with fixed phase shifters for energy- efficient terahertz hybrid beamforming under partial CSI,

Reference 23

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:07.920182Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 6cbba8f0-5281-4fc4-af1e-1a3e38161674 · outbound

This paper cites Energy-efficient dynamic-subarray with fixed true-time- delay design for Terahertz wideband hybrid beamforming,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Energy-efficient dynamic-subarray with fixed true-time- delay design for Terahertz wideband hybrid beamforming,

Reference 24

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:07.903560Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 8b8b3b51-35fe-403a-8318-6c060c542fad · outbound

This paper cites Cluster-based multi-carrier hybrid beamforming for massive device Terahertz communications,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Cluster-based multi-carrier hybrid beamforming for massive device Terahertz communications,

Reference 25

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:07.887577Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 6a77dc22-e3e9-4ec3-8ddb-d2778b05975a · outbound

This paper cites Millidegree-level direction-of-arrival estimation and tracking for terahertz ultra-massive MIMO systems,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Millidegree-level direction-of-arrival estimation and tracking for terahertz ultra-massive MIMO systems,

Reference 26

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:07.870345Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 892a4004-eb5f-4433-9e2a-69496e1e8eb5 · outbound

This paper cites Angle domain channel estimation in hybrid millimeter wave massive MIMO systems,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Angle domain channel estimation in hybrid millimeter wave massive MIMO systems,

Reference 27

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:07.851931Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 4af4c3cc-51eb-48e8-b878-ce8665707fda · outbound

This paper cites Three-dimensional end-to-end modeling and analysis for graphene-enabled Terahertz band communications,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Three-dimensional end-to-end modeling and analysis for graphene-enabled Terahertz band communications,

Reference 28

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:07.835872Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 2a42bc2a-7e98-41fa-b9ff-2296b21304b9 · outbound

This paper cites Toeplitz rectification and DOA estimation with music,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Toeplitz rectification and DOA estimation with music,

Reference 29

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:07.819796Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 144cf230-14ab-4eea-bff4-8a489181f4f5 · outbound

This paper cites Real-valued DOA estimation utilizing enhanced covari- ance matrix with unknown mutual coupling,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Real-valued DOA estimation utilizing enhanced covari- ance matrix with unknown mutual coupling,

Reference 30

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:07.800738Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 6d42ae37-225e-40bf-b2a3-b1236c86ac9b · outbound

This paper cites On estimation of the noise variance in high-dimensional probabilistic principal component analysis,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems On estimation of the noise variance in high-dimensional probabilistic principal component analysis,

Reference 31

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:07.783970Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 24fd31f7-baae-4a41-8408-788d864e74bd · outbound

This paper cites Phase compensation-based localization of mixed far-field and near-field sources,.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Phase compensation-based localization of mixed far-field and near-field sources,

Reference 32

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:07.766868Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 1b7ea8ed-8845-4b62-8e67-dedab5ff6048 · outbound

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

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Direction-of-arrival estimation for large antenna arrays with hybrid analog and digital architectures,

Reference 33

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T23:48:07.749130Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 0afa376f-7174-461e-89e9-3b1e3c324b21 · outbound

This paper cites an unresolved cited work.

A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems Unresolved cited work

Reference 34

Resolution: unresolved; raw_fallback, observed 2026-08-09T23:48:07.729444Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Pith citing papers

Observation 5911a1a2-225c-4773-9e4d-37e817cd7a00 · inbound

Lightweight Single-Antenna Direction-of-Arrival Estimation for Curvilinear Trajectories in Mobile Embedded Systems cites this paper.

Lightweight Single-Antenna Direction-of-Arrival Estimation for Curvilinear Trajectories in Mobile Embedded Systems A Hybrid Dynamic Subarray Architecture for Efficient DOA Estimation in THz Ultra-Massive Hybrid MIMO Systems

Reference 18

Resolution: verified exact; local_arxiv, observed 2026-08-16T00:26:32.951371Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.