AWGN相关论文
To implement the primary signal without interference in cognitive radio systems,cognitive radios can detect the presence......
提出了一种基于非相干平方律能量检测及逐符号译码的短波差分跳频系统方案,并在加性白高斯噪声(AWGN)信道与频率非选择性瑞利慢衰......
根据选取的导频序列具有的强相关性对AWGN信道信噪比进行估计,通过选择合适的虚警概率和漏检概率来确定相对判决门限,从而确保了信......
A concept of statistical multiresolution analysis in amplitude-frequency domain is proposed, which is to employ the wave......
A reduced-state sequence estimation (RSSE) receiver based on per-survivor processing (PSP) in conjunction with an adapti......
HIGH-PERFORMANCE SIMPLE-ENCODING GENERATOR-BASED SYSTEMATIC IRREGULAR LDPC CODES AND RESULTED PRODUC
Low-Density Parity-Check (LDPC) code is one of the most exciting topics among the coding theory community.It is of great......
Overlapped time division multiplexing (OvTDM) is a new type of transmission scheme with high spectrum efficiency and low......
This paper first calculates numerically the Symmetric Information Rate (SIR) of Cotinuous Phase Modulation (CPM) schemes......
Coded overlapped code division multiplexing system with Turbo product structure (TPC-OVCDM) is introduced,and trellis co......
战术数据链系统能够提高部队信息化作战能力,其中信道编码技术是保证消息传输可靠性的关键技术之一.构建了一种新的战术数据链系统......
A new concept of q-ary (q = 2’) turbo codes and the corresponding decoding aglorithm are presented. With QAM modulation......
在任何通信系统中都存在着噪声(如白色高斯噪声)。所有导体在能级带产生的噪声均正比于物质的物理温度,噪声是随着物质中所传输的......
1IntroductionInaCode-DivisionMultiple-Access(CDMA)system,severalindependentusersaccesssimulboeouslyacommonchannelbymodul......
In this paper, orthogonal/turbo-codes for mobile DS-CDMA communications are considered. We compare the performances of......
为了有效地实现用户高速数据率的传输，本文提出了一种MTCM正交序列多码CDMA系统．这对此系统在AWGN信道的性能进行了计算，并和未编码系......
应用贪心算法提出了一种次最优ＭＣ－ＣＤＭＡ检测机。仿真结果表明，与传统检测机比较，它据有次最优的性能，但结构比最优检测机简单。
The applicat......
BCM码是由Imai与Hirakawa首次提出的,能够在不扩展带宽的前提下获得很大的编码增益,BCM码的译码有多种方法,其中多级译码较好地实......
由于 Ｔｕｒｂｏ码优异的纠错性能使得其在第三代移动通信（３Ｇ）系统中倍受重视。无论是ＷＣＤＭＡ还是。ｃｄｍａ２０００都将其作为候选的信道编码方案，并且将其列为３Ｇ的核心技......
在突发信道中,同步误差会显著降低Turbo码的误比特率性能。利用二进制对称信道(BSC)和高斯信道(AWGN)的级联进行信道建模,提出了一......
本文将交织、信道输出软信息、信道特征软信息相结合 ,研究Rayleigh衰落信道下卷积码的Viterbi软判决译码 ,在利用和不利用信道状......
This letter presents the principles of Coded Orthogonal Frequency Division Multiplexing (COFDM) system and focuses on th......
Ultra WideBand (UWB) radio is a new wireless technology that transmits extremely short duration radio impulses. In this ......
A strategy for a novel concatenated chaotic communication system is presented. The transmitter system comprises chaotic ......
Many properties of frequency-hopped spread-spectrum multiple access (FH/SSMA), such as, robustness against frequency sel......
研究带删除卷积码的 8、16、32差分幅 /相移键控 (DAPSK)调制 .在加性高斯白噪声 (AWGN)和 Rayleigh衰落信道下比较了其与 16 QAM......
第三代短波自适应系统与第二代相比在建链时间、组网规模和通信容量等方面有很大改进。文中对第三代短波自适应系统进行介绍 ,对其......
Time-division multiplexed switching (TDMS)-based multiple-input multiple-output (MIMO) channel sounders are widely used ......
In this paper, an iterative “one-shot” decorrelator for asynchronous code Division Multiple Access(CDMA) systems is p......
Blind adaptive multiuser detector has become a research hotspot in recent years due to a number of advantages, but many ......
期刊
This paper introduces a frequency-hopped (FH) communication system to anti-intersymbol interferences (ISI) caused by the......
This paper presents a pragmatic adaptive scheme for TuCM over slowly fading channels. The adaptive scheme employs a sin......
The performance of OFDM with frequency offset is analyzed and simulated in this paper. It is concluded that the SIR is v......
DIFFERENTIAL AMPLITUDE PHASE SHIFT KEYING: A NEW MODULATION METHOD FOR TURBO CODE IN DIGITAL RADIO B
The multilevel modulation techniques or M-Differential Amplitude Phase Shift Key-ing (DAPSK) have been proposed in comb......
Three generalized threshold Chase algorithms called GTC Ⅰ,GTC Ⅱ and STC are proposed in thispaper.They are the combin......
基于Punctured卷积码的特点 ,本文分析了其在HDTV(High -DefinitionTV)信号传输中的应用 ,分别在AWGN信道和Rayleigh衰落信道下将P......
The performance of a cellular radio direct-sequence slow frequency hopping code-division multiple-access system is exami......
Based on BCJR algorithm proposed by Bahl et al and linear soft decision feedback, a reduced-complexity parallel interf......
期刊
This paper proposes a new multi-stage parallel interference cancellation scheme by modifying the conventional multi-stag......
In order to realize the potential of link adaptation, reliable channel prediction is necessary. In this paper, we propos......
Currently puncturing is the predominant strategy to construct high code rate turbo codes. The puncturing period and punc......
In this paper, a new performance enhancement algorithm for Space-Time Block Coding in OFDM System, which is an adaptive ......
We present a new synchronization scheme for Orthogonal Frequency-Division Multiplexing (OFDM) systems. In this scheme, t......
A new carrier frequency offset estimation scheme for Orthogonal Frequency-Division Multiplexing (OFDM) systems is propos......
In this paper, a novel timing offset estimation algorithm of low complexity is presented, which needs a few pilots. The ......
