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OFDM(正交频分复用)技术实际上是MCM(Multi-Carrier Modulation，多载波调制)的一种。其主要思想是，将信道分成若干正交子信道，将高速数据信号转换成并行的低速子数据流，调制到在每个子信道上进行传输。正交信号可以通过在接收端采用相关技术来分开，这样可以减少子信道之间的相互干扰(ICI)。每个子信道上的信号带宽小于信道的相关带宽，因此每个子信道上的可以看成平坦性衰落，从而可以消除符号间干扰。而且由于每个子信道的带宽仅仅是原信道带宽的一小部分，信道均衡变得相对容-OFDM (
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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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a brief introduction to the concept and application of smart antennas for
Code Division Multiple Access (CDMA) systems is presented. Following some introductory
remarks in Section 1.1, the basic definition and classification of smart antennas is
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频率选择性衰落信道中一种低复杂度的正交空时分组码译码算法。该方案借鉴D-BLAST系统的检测方法，采用干扰抵消和干扰置零方法消除多径干扰，从而有效地检测出期望信号，译码复杂度低。有创新，希望给研究OSTBC译码的同志带来帮助。-Frequency-selective fading channel a low-complexity orthogonal space-time block code decoding algorithm. The program builds on D-BLAST s
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Space-Time Synchronization Algorithms for UMTSmDD Systems
with Strong CO-Channel Interference
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These
cooperations are facilitated by dynamically and opportunistically assigning one of the secondary users as a relay to assist the other
one, which results in more efficient spectrum hole detection. Also, we investigate the impact of erroneous
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小区同频干扰源码。建立基站、设置功率传输比...很有用的。-co-channel interference in matlab. Include establishing stations and power transmission ratio.
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We investigate the performance of an uncoordinated 2 link MIMO
interference channel as a function of the number of antennas and the
average channel gains.
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Berkly实验室最新论文 描述干扰信道中香农定理的使用与纳什均衡-Shannon meets nash in interference channel
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Tutorial on Channel Equalization for Mobile
Channels.Equalizer design for multi-path channels is closely
linked to the distribution of zeros of mobile channels. While in
a deterministic scenario, equalizers can be designed based on
knowledge
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the achievable rate of a K-user
interference channel with single antenna at individual node is
studied. Interference alignment and zero forcing are applied at
the transmitter and receiver, respectively. It is well known from
the paper [1] of
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Thesis the performance of STBC-VBLAST with interference cancellation and channel estimation error
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In the present paper, Interference Alignment by
propagation delay is applied to a delay-based X- channel and
a delay-based K- user interference channel. The key ingredient
in our approach is the cyclic permutation property of the delay-
based
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Quadrature Amplitude Modulation with 16M-ary Number over Intersymbol Interference Channel and matlab code
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The interference alignment (IA) is a promising
technique to efficiently mitigate interference and to enhance capacity of a wireless communication network. This paper proposes an interference alignment scheme for a network with multiple cells and mu
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We consider the design of a block equalizer for an
intersymbol interference channel, given that the channel impulse
response is not perfectly known at the receiver
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Abstract—In this paper we propose the channel assignment
scheme for multi-channel wireless mesh network (WMN), where
each mesh router is equipped with multiple radio interfaces. In
real WMN the number of radio interfaces is much higher than
t
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This paper depicts the development of Orthogonal
Frequency Division Multiplexing a historical perspective.
A summary of major research milestones are noted that
contributed to modern-day OFDM. These contributions
include the use of discrete F
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CHANNEL EQUALIZATION AND
BLIND DECONVOLUTION
Blind deconvolution is the process of unravelling two unknown
signals that have been convolved. An important application of blind
deconvolution is in blind equalization for restoration of a sign
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In this paper, we investigate blind channel estimation for Multiple Input Multiple Output (MIMO) multi-carrier
CDMA (MC-CDMA) systems in the uplink scenario. An Autocorrelation Contribution Matrix (ACM) method is proposed in
comparison with the sub
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