MAC and baseband processors for RF-MIMO WLAN

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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.

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Stamenkovic, Z., Tittelbach-Helmrich, K., Krstic, M., Ibanez, J., Elvira, V., & Santamaria, I. (2011). MAC and baseband processors for RF-MIMO WLAN. Eurasip Journal on Wireless Communications and Networking, 2011(1). https://doi.org/10.1186/1687-1499-2011-207

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