A High-performance Implementation of OFDM-MIMO Base-band in Wireless Video System

Because of its advantage of spectrum effectiveness and multi-path transmission, orthogonal frequency division multiplexing (OFDM) system gains extensive attention. OFDM technology combining with MIMO technology which can be faster and more reliable has become the key of fourth generation wireless communication. In order to support MIMO-OFDM system to conduct wireless real-time transmission of high-definition video, a channel estimation scheme is needed in receiver to overcome frequency selective fading. In this paper, the channel estimation scheme applies least square algorithm to estimate the channel parameter on reference signal position, and adopts twodimensional linear interpolation algorithm to estimate the channel parameter on user data position. The scheme is implemented and optimized by pipeline architecture of binary tree and Advanced Extensible Interface. According to test, this scheme occupies less FPGA resources, and is able to overcome channel fading in laboratory environment.

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A High-performance Implementation of OFDM-MIMO Base-band in Wireless Video System

Cited by 3 publications

References 3 publications

Research on Video Services with QoE Perception Over Future Wireless Networks

Research on Video Services with QoE Perception Over Future Wireless Networks

Automatic Modulation Classification for MIMO-OFDM Systems with Imperfect Timing Synchronization

An Implementation of Channel Estimation Based on MIMO-OFDM Video Transmission System

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