Effective DoF Collapse in Sparse Near-Field Beamforming: A Block-Rank-1 Mechanism S8A7ZM40DN

URI	`m2://res/S8A7ZM40DN`
Kind	preprint
Creators	Changhao He, Xiaojuan Zhang, Francois Chin Po Shin
Date	2026-10-10
Subjects	arxiv cs.IT, arxiv math.IT
Scope	in

Expressions

The mentions of the inventory that name this resource. Each name links to the card of its inventory row.

Item	Kind	Where	Source
Exact per-block Slepian threshold	statement	proposition 1	arxiv
Baseline and architecture	statement	corollary 2	arxiv
Coherence	statement	lemma 1	arxiv
Beamforming ceiling and finite-$N$ law	statement	corollary 1	arxiv
Worst-case leakage and duality	statement	proposition 2	arxiv
Block-rank-1 collapse	statement	theorem 1	arxiv