منابع مشابه
DFT Based MMSE Equaliser in MIMO-OFDM
MIMO-OFDM is considered as a fast growing technology now days. OFDM is a multi carrier modulation technique in which the carriers are Orthogonal to each others as a result of which it provides high bandwidth efficiency and multiple carriers share the data among themselves. During the research equalizer is always a matter of strategies. When a signal is transmitted over a radio channel, it is su...
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In this work, we propose a Decision feedback equalizer (DFE) for Multiple Input Multiple Output (MIMO) DFT-spread OFDMA. This DFE can handle Multiple users, multiple antennas at the transmitter and receiver and the intersymbol interference in the received symbols of the DFT-spread OFDMA. The conventional method used in DFT-spread OFDMA is linear Frequency domain equalization (FDE). The DFE, wit...
متن کاملSISO MMSE - PIC detector in MIMO - OFDM systems
MIMO-OFDM with bit-interleaved coded modulation (BICM) is an attractive technique for wireless communications over frequency selective fading channels which has gained significant interests as a promising candidate for the 4th Generation wireless communication. The SISO MMSE-PIC based detector is proposed in this paper. The SISO MMSE-PIC detector exchanges soft information with SISO channel dec...
متن کاملPerformance Analysis of MIMO-OFDM System using MMSE Receiver
Orthogonal Frequency Division Multiplexing (OFDM) technique has been proposed as a standard for the next generation wireless communication system. Next generation wireless communication technologies require multimedia service such as internet services, audio, video and mainly high data rate with high mobility. OFDM fulfills these requirements. It provides high data rates and high spectral effic...
متن کاملDFT-based vs. Cooperative MET-based MU-MIMO in the Downlink of Cellular OFDM Systems
In this work, we compare different pre-coding techniques and their performance in a cellular MIMO OFDM downlink. The first target is to determine the achievable additional beamforming gain by using a near-optium pre-coder instead of DFT-based pre-coding. In the second step, we include multi-user selection diversity, which turned out to be advantageous especially for downlink cooperation. An ext...
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ژورنال
عنوان ژورنال: IOSR Journal of Electronics and Communication Engineering
سال: 2013
ISSN: 2278-8735,2278-2834
DOI: 10.9790/2834-0445258