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In this paper, hardware implementation and simulation method of channel simulator of Kaband communication satellite syst......
针对应用于毫米波光纤无线通信(ROF)系统的光学倍频毫米波生成方法, 探讨了光纤色散造成的毫米波幅度衰落问题。提出使用双电极马......
Enhanced high temperature cycling performance of LiMn_2O_4/graphite cells with methylene methanedisu
The effects of methylene methanedisulfonate(MMDS) on the high-temperature(~50℃) cycle performance of LiMn_2O_4/graphite......
IEEE 802.11p has been proposed to extend the application of IEEE 802.11 to Wireless Access fast fading Vehicular Environ......
OBJECTIVE: To assess the efficacy and safety of Reduning injection for fever, rash, and ulcers in children with mild han......
一阵微风吹过詹妮弗的头发,金红色的太阳即将落山。海滩上的詹妮弗望着那火红的圆球,不禁惊异于它的颜色:中问是红彤彤的,向外柔柔......
阳春三月,春暖花开的日子,正是出游好时节!一直觉得旅行的魅力就在于可以暂时忘却一切喧嚣和烦恼,无拘无束地拥抱自己向往的那方风......
Synchronization of MIMO OFDM systems by perfect complete generalized complementary orthogonal loosel
This article proposes a time/frequency synchronization algorithm in the multiple input multiple output(MIMO)systems,in w......
Cognitive radio has been recently proposed as a promising technology to improve the spectrum utilization. In this paper,......
In orthogonal frequency-division multiplexing(OFDM)systems,the capability to support high mobility is greatly limited by......
Aiming at the problem of resource allocation in multiuser multi-input multi-output (MIMO)systems,a new power allocation ......
Multiple-input multiple-output(MIMO) systems can be combined with orthogonal frequency division multiplexing(OFDM) syste......
To implement the primary signal without interference in cognitive radio systems,cognitive radios can detect the presence......
Performance analysis of a random ARQ initialized cooperative communication protocol in shadowed Naka
In this paper, we develop and analyze an energy efficient ARQ (automatic repeat request) initialized transmit diversity ......
We propose a reputation-based cooperative spectrum sensing scheme in cognitive radio (CR) networks to solve the uncertai......
Multicarrier transmission systems like orthogonal frequency division multiplexing (OFDM) support high data rate and gene......
Resource allocation problem in multiuser multiple input single output-orthogonal frequency division multiple access (MIS......
Performance of Turbo-Codes in communication channels with impulsive noise is analyzed. First, mathematical model of impu......
Throughput analysis of slotted ALOHA with cooperative transmission using successive interference can
With a cross-layer design approach, a novel random access protocol is proposed in this paper, which is based on conventi......
ICI Cancellation Algorithm for OFDM Based Aeronautical Communication Systems and Its Performance Ana
The aeronautical en-route communication channel is modeled as a two-ray double-selective channel.Based on the channel mo......
In this paper, by introducing orthogonal space-time coding scheme, the multiuser CDMA systems with different space time ......
Detection time analysis for the multiple-user cooperative spectrum sensing scheme in cognitive radio
In this paper, a novel multiple-user cooperative spectrum sensing (MCSS) scheme is proposed to achieve the spatial diver......
In multipath environments, the error rate performance of orthogonal frequency division multiplexing (OFDM) is severely d......
An appropriate coding method that can reduce the error rate of communication system is especially important to the free ......
引入了基于线性变换的正交频分复用信道的频域估计方法,通过对接收信号的线性变换达到数据的有效恢复。首先推导了关于推广后旋转......
An American discovers China in a 250-km race across the Gobi Desert Evening was fading into night, and after jogging fi......
This paper presents a low complexity algorithm for the decoding of space-time block codes (STBC) under non-constant modu......
TL dating technique is of great advantage for determining the initial time of storing energy(T_0)in an object to be ana......
This paper presents an equalization algorithm for continuous phase modulation (CPM) over frequency-selective channels. A......
To improve underwater vehicle dead reckoning, a developed strong tracking adaptive kalman filter is proposed. The filter......
与相干检测相比传统差分检测会带来约3dB的性能损失.提出一种新的差分酉空时调制检测方案.该方案分为2步:首先将传统差分检测获得......
The method of X-ray diffraction line broadening and the technique of SAXS are used inthis paper to determine the phase ......
A laser beam propagating through turbulence experiences random amplitude and phase fluctuations, which can severely degr......
Wideband IMT-Advanced mobile communication systems tend to operate in the high frequency bandsdue to a relatively large......
Recently, a multiple symbol differential (MSD) sphere decoding (SD) algorithm for unitary space-time modulation over qua......
According to the theory of crystal field, theexisting state of chromium ions in β-C_2S was studiedwith optical spectra......
A particle filtering based AutoRegressive (AR) channel prediction model is presented for cognitive radio systems. Firstl......
Decision-Aided Extended Kalman Filter Based Adaptive Timing Recovery for Wavelet Packet Modulated Si
One of the major issues with multi-carrier systems is their vulnerability to timing synchronization errors resulting in ......
Bit error probability of distributed Turbo coded relay systems over quasi-static Rayleigh fading cha
As is known,distributed Turbo coding (DTC) performs close to the theoretic outage probability bound of a relay channel w......
The unscented Kalman filter is a developed well-known method for nonlinear motion estimation and tracking. However, the ......
The main problem of particle filter (PF) in nonlinear state estimation is the particle degeneracy. Resampling operation ......
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Square-root cubature Kalman filter (SCKF) is more effective for nonlinear state estimation than an unscented Kalman filt......
Editor’s Introduction:Lama Mani is the oldest folk storytelling performance art in Tibet.It has long been popular in Lh......
Spatial Modulation(SM) is a newlyintroduced wireless transmission scheme,andSpace Shift Keying(SSK) is its simplifiedver......
Deposition of coarse sediment at the entrance of a reservoir is for many reasons an undesired side- effect. Bes......
水下可见光通信(UVLC)是实现高速宽带信息传输的有效方案,但由于受到信道中吸收、散射和湍流的不利影响而面临着许多困难.针对水下......
现实与理想、冲动与冷静、主流与边缘……“青春”的内涵,原来是由一对对矛盾又共生的概念构成的。青春的我们热血沸腾,斗志高昂,......
With the establishment and the development of China’s socialist market economy, the significance of the word “planed”......
