2X2 STBC MIMO OFDM Receiver Design for WLAN with Estimation of Different Transmit Carrier Frequency Offsets

Provided by: International Journal of Electrical and Electronic Engineering & Telecommunications (IJEETC)
Topic: Mobility
Format: PDF
The combination of Multiple-Input Multiple-Output (MIMO) and Orthogonal Frequency Division Multiplexing (OFDM) has been viewed as the trend of the new wireless LAN technology. In this paper, the design of an up-to-date 2 x 2 Space-Time Block Coded (STBC) MIMOOFDM baseband receiver is presented with reference to an IEEE 802.11 n proposal. To solve possible different carrier frequency offsets between the two transmit antennas due to the antenna resistance match problem, this paper proposes a new carrier frequency offset tracking method at the receiver.

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