MAC and baseband processors for RF-MIMO WLAN

Zoran Stamenkovic, Klaus Tittelbach-Helmrich, Milos Krstic, Jesus Ibanez, Victor Elvira, Ignacio Santamaria

Research output: Contribution to journalArticlepeer-review

Abstract

The article describes hardware solutions for the IEEE 802.11 medium access control (MAC) layer and IEEE 802.11a digital baseband in an RF-MIMO WLAN transceiver that performs the signal combining in the analogue domain. Architecture and implementation details of the MAC processor including a hardware accelerator and a 16-bit MAC-physical layer (PHY) interface are presented. The proposed hardware solution is tested and verified using a PHY link emulator. Architecture, design, implementation, and test of a reconfigurable digital baseband processor are described too. Description includes the baseband algorithms (the main blocks being MIMO channel estimation and Tx-Rx analogue beamforming), their FPGA-based implementation, baseband printed-circuit-board, and real-time tests.

Original languageEnglish
Article number207
JournalEURASIP Journal on Wireless Communications and Networking
Volume2011
Issue number1
DOIs
Publication statusPublished - 1 Dec 2011

Keywords

  • baseband
  • MAC
  • MIMO
  • processor

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