channel estimtion for LTE
2016-08-23
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3GPP LTE is the evolution of UMTS in dealing with the increasingly cold multimedia services according to the user's expectations. Since downlink is always in terms of coverage and capacity, the important factors of special attentionhas have been given in choosing LTE downlink technology. The new technology ssuch as orthogonal frequency division multiplexing (OFDM) and multiple input multiple output (MIMO) can improve the performance of the current green plant system. High data transfer rate and high capacity can make use of the advantages of these two technologies. These Hangzhou are selected as LTE downlink. Pilotassisted channel estimation is a method to acquire the appropriate channel knowledge of the received signal in the known signal, called pilot, transmission and data. This paper aims at channel estimation for LTE downlink. Channel estimation algorithms such as least squares (LS), which means least square error (MMSE) haven, are evaluated as different channel modes in LTE downlink. Bit error rate and symbol error rate (SER) measure the performance of these algorithms.
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lte
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