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Mapping Channel Estimation and MIMO Detection in LTE-Advanced on a Reconfigurable Cell Array

In English

Författare

Summary, in English

This paper presents a flexible architecture suitable for performing both channel estimation and signal detection in a MIMO-OFDM downlink. Extensive hardware sharing between two tasks is achieved by algorithm and architecture co-design, where robust MMSE sliding window channel estimation and MMSE-based signal detection with symbol perturbation scheme are adopted. The proposed architecture is based on a coarse-grained reconfigurable cell array with fast context switching capabilities. High flexibility is provided by the architecture, which allows task-level resource sharing and dynamic adoption of different algorithms onto the same platform. Simulation and analysis results have confirmed the efficiency of the proposed design solution, where more than 75% hardware resources are reused between the adopted algorithms.

Publiceringsår

2012

Språk

Engelska

Sidor

1799-1802

Publikation/Tidskrift/Serie

[Host publication title missing]

Dokumenttyp

Konferensbidrag

Förlag

IEEE - Institute of Electrical and Electronics Engineers Inc.

Ämne

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

IEEE International Symposium on Circuits and Systems (ISCAS), 2012

Conference date

2012-05-20 - 2012-05-23

Status

Published

Projekt

  • High Performance Embedded Computing
  • EIT_SOS VINNOVA Industrial Excellence Center - System Design on Silicon

Forskningsgrupp

  • Digital ASIC

ISBN/ISSN/Övrigt

  • ISSN: 2158-1525
  • ISSN: 0271-4310