Low-overhead hierarchically-sparse channel estimation for multiuser wideband massive MIMO
Numerical evidence suggests that compressive sensing (CS) approaches for wideband
massive MIMO channel estimation can achieve very good performance with limited training …
massive MIMO channel estimation can achieve very good performance with limited training …
Temporal correlation enhanced sparse activity detection in MIMO enabled grant-free NOMA
Exploiting the sparse user activity induced by sporadic transmission, compressed sensing
(CS) has been widely applied in multiple-input multiple-output (MIMO) enabled non …
(CS) has been widely applied in multiple-input multiple-output (MIMO) enabled non …
Jointly low-rank and bisparse recovery: Questions and partial answers
We investigate the problem of recovering jointly r-rank and s-bisparse matrices from as few
linear measurements as possible, considering arbitrary measurements as well as rank-one …
linear measurements as possible, considering arbitrary measurements as well as rank-one …
Reliable recovery of hierarchically sparse signals for Gaussian and Kronecker product measurements
We propose and analyze a solution to the problem of recovering a block sparse signal with
sparse blocks from linear measurements. Such problems naturally emerge inter alia in the …
sparse blocks from linear measurements. Such problems naturally emerge inter alia in the …
Hierarchical sparse channel estimation for massive MIMO
The problem of wideband massive MIMO channel estimation is considered. Targeting for
low complexity algorithms as well as small training overhead, a compressive sensing (CS) …
low complexity algorithms as well as small training overhead, a compressive sensing (CS) …
Hierarchical compressed sensing
Compressed sensing is a paradigm within signal processing that provides the means for
recovering structured signals from linear measurements in a highly efficient manner …
recovering structured signals from linear measurements in a highly efficient manner …
Semi-device-dependent blind quantum tomography
Extracting tomographic information about quantum states is a crucial task in the quest
towards devising high-precision quantum devices. Current schemes typically require …
towards devising high-precision quantum devices. Current schemes typically require …
[HTML][HTML] Hierarchical isometry properties of hierarchical measurements
Compressed sensing studies linear recovery problems under structure assumptions. We
introduce a new class of measurement operators, coined hierarchical measurement …
introduce a new class of measurement operators, coined hierarchical measurement …
On the Restricted Isometry Property of Kronecker-structured Matrices
In this work, we study the restricted isometry property (RIP) of Kronecker-structured matrices,
formed by the Kronecker product of two factor matrices. Previously, only upper and lower …
formed by the Kronecker product of two factor matrices. Previously, only upper and lower …
Hierarchical sparse recovery from hierarchically structured measurements with application to massive random access
A new family of operators, dubbed hierarchical measurement operators, is introduced and
discussed within the framework of hierarchically sparse recovery. A hierarchical …
discussed within the framework of hierarchically sparse recovery. A hierarchical …