LDPC coded MIMO OFDM-based IEEE 802.11n wireless LAN

  • Authors:
  • Salwa Serag Eldin;Mohamed Nasr;Salah Khamees;Essam Sourour;Mohamed Elbanna

  • Affiliations:
  • Electronic and Electrical Comm. Dept., Tanta University, Egypt;Electronic and Electrical Comm. Dept., Tanta University, Egypt;Electronic and Electrical Comm. Dept., Tanta University, Egypt;Electrical Engineering Dept., Alex. University, Egypt;Electrical Engineering Dept., Alex. University, Egypt

  • Venue:
  • WOCN'09 Proceedings of the Sixth international conference on Wireless and Optical Communications Networks
  • Year:
  • 2009

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Abstract

Recently, to meet higher data rate requirements, LDPC coded MIMO-OFDM systems are investigated widely. Multiple-input multiple-output (MIMO) wireless technology in combination with orthogonal frequency division multiplexing (OFDM) is an attractive solution for next-generation wireless local area networks (WLANs). Space-time block coded OFDM is capable of achieving substantial diversity gains, while supporting high bit-rates in wireless communications. By concatenating a space-time block coded OFDM scheme with powerful channel codes, such as Low-Density Parity-Check (LDPC) coding, the performance of the system can be further enhanced. In this contribution the performance of the latest WLAN standard, IEEE 802.11n, based on MIMO-OFDM with LDPC coding is being investigated. The achievable performance is studied as a function of MIMO mode, code rate, bandwidth, and modulation type.