74 citations · 79 across the 4 of their papers we have counts for
7 papers
Finite-Blocklength Results for the A-channel: Applications to Unsourced Random Access and Group Testing
Alejandro Lancho, Alexander Fengler, Yury Polyanskiy
We present finite-blocklength achievability bounds for the unsourced A-channel. In this multiple-access channel, users noiselessly transmit codewords picked from a common codebook…
Pilot-Based Unsourced Random Access with a Massive MIMO Receiver: Interference Cancellation and Power Control
Alexander Fengler, Osman Musa, Peter Jung +1
In this work we treat the unsourced random access problem on a Rayleigh block-fading AWGN channel with multiple receive antennas. Specifically, we consider the slowly fading scenar…
Pilot-Based Unsourced Random Access with a Massive MIMO Receiver in the Quasi-Static Fading Regime
Alexander Fengler, Peter Jung, Giuseppe Caire
In this work we treat the unsourced random access problem on a Rayleigh block-fading AWGN channel with multiple receive antennas. Specifically, we consider the slowly fading scenar…
Unsourced Multiuser Sparse Regression Codes achieve the Symmetric MAC Capacity
Alexander Fengler, Peter Jung, Giuseppe Caire
Unsourced random-access (U-RA) is a type of grant-free random access with a virtually unlimited number of users, of which only a certain number are active on the same time sl…
Grant-Free Massive Random Access With a Massive MIMO Receiver
Alexander Fengler, Saeid Haghighatshoar, Peter Jung +1
We consider the problem of unsourced random access (U-RA), a grant-free uncoordinated form of random access, in a wireless channel with a massive MIMO base station equipped with a…
On the Restricted Isometry Property of Centered Self Khatri-Rao Products
Alexander Fengler, Peter Jung
In this work we establish the Restricted Isometry Property (RIP) of the centered column-wise self Khatri-Rao (KR) products of matrix with iid columns drawn either unifo…