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书文提出了一种称为平均反馈(AF)的新算法．该算法利用两个相邻的
0FDM符号之间的荧联信息对LS算法的估计结果进行平均和反馈．以减少离斯白噪声岛子信道间干扰(1cI)对信道估计结
果的影囔。-The book article proposed one kind is called the average to feed back (AF) the new algorithm. This algorithm uses two neighboring between the 0FDM ma
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Channel estimation for mobile OFDM systems
requires transmission of pilot tones. This paper addressesthe important issue of selecting these pilot tones, so as to
achieve a good quality estimate. It is shown that the best set of tones to be used a
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OFDM is a multi-carrier transmission technique. It converts the frequency selective fading channel into a collection of parallel flat fading sub-channels which simplifies the structure of a receiver. OFDM has been widely used in communication system
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A 16-QAM signal X, whose power is normalized as unity, is transmitted with OFDM over the discrete-time channel model h which has been used in Homework #2 and #3. As depicted in the below figure, the transmitter (TX) is now equipped with an N-point ID
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Abstract—Diagonal Bell Laboratories Layered Space-Time (DBLAST)
structure offers a low complexity solution to realize the
attractive capacity of Multiple-input and multiple-output (MIMO)
systems. In this paper, we apply D-BLAST in orthogonal fr
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this program explane how estimate th radio channel using OFDM
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