Type-Based Unsourced Multiple Access
Paper i proceeding, 2024

We generalize the type-based multiple access framework proposed by Mergen and Tong (2006) to the case of unsourced multiple access. In the proposed framework, each device tracks the state of a physical/digital process, quantizes this state, and communicates it to a common receiver through a shared channel in an uncoordinated manner. The receiver aims to estimate the type of the states, i.e., the set of states and their multiplicity in the sequence of states reported by all devices. We measure the type estimation error using the Wasserstein distance. Considering an example of multi-target position tracking, we show that type estimation can be performed effectively via approximate message passing. Furthermore, we determine the quantization resolution that minimizes the type estimation error by balancing quantization distortion and communication error.

Författare

Khac-Hoang Ngo

Chalmers, Elektroteknik, Kommunikation, Antenner och Optiska Nätverk

Deekshith Pathayappilly Krishnan

Chalmers, Elektroteknik, Kommunikation, Antenner och Optiska Nätverk

Kaan Okumus

Chalmers, Elektroteknik, Kommunikation, Antenner och Optiska Nätverk

Giuseppe Durisi

Chalmers, Elektroteknik, Kommunikation, Antenner och Optiska Nätverk

Erik Ström

Chalmers, Elektroteknik, Kommunikation, Antenner och Optiska Nätverk

IEEE Workshop on Signal Processing Advances in Wireless Communications, SPAWC

23253789 (ISSN)

911-915
9798350393187 (ISBN)

25th IEEE International Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2024
Lucca, Italy,

Energieffektiv massiv random access för distribuerade autonoma system i realtid

Vetenskapsrådet (VR) (2021-04970), 2022-01-01 -- 2025-12-31.

Ämneskategorier

Telekommunikation

Signalbehandling

Datorsystem

DOI

10.1109/SPAWC60668.2024.10694658

Mer information

Senast uppdaterat

2024-11-06