认证是安全通信的关键环节,因为它在提供可靠通信,防止恶意用户访问网络和维护消息完整性等方面发挥着重要作用。目前,基于物理层......

为提高通信可靠性, 提出一种基于预编码的STBC MIMO可见光通信方案。采用STBC的MIMO技术, 其性能不受信道相关性影响, 因此更适合......

MIMO-OFDM系统因其高速数据传输优势成为无线移动通信的关键技术,但是其高峰均功率比(PAPR)一直是技术瓶颈。为了降低系统的PAPR和......

To improve the performance of a multiuser MIMO-OFDM system with imperfect channel status information,a downlink adaptive......

针对存在未知共道干扰的STBC系统,文中提出了一种基于斜投影的鲁棒线性接收机.该接收机首先利用斜投影的思想,将期望信号子空间与......

In this paper, by introducing orthogonal space-time coding scheme, the multiuser CDMA systems with different space time ......

提出了一个基于2×2天线阵列的混合自动请求重传(HARQ)算法.首先传输贝尔实验室分层码(BLAST)来提高速率,当出错重传时,重传信号能......

An appropriate coding method that can reduce the error rate of communication system is especially important to the free ......

MIMO-OFDM通信技术已经成为未来无线移动通信的主流技术然而,当前能够提供MIMO-OFDM完整功能模拟的仿真系统还极为少见以IT++和VS.......

This paper presents a low complexity algorithm for the decoding of space-time block codes (STBC) under non-constant modu......

Recently, a multiple symbol differential (MSD) sphere decoding (SD) algorithm for unitary space-time modulation over qua......

该论文主要研究下一代移动通信中的关键技术OFDM调制和空时编码,研究空时编码和OFDM相结合的通信系统的系统性能以及它的硬件DSP实......

无线紫外光通信具有丰富的未授权频谱、非视线链路、保密抗干扰等优势,在物联网和特殊场景的局域网通信中具有广阔的应用前景。但......

空时码是伴随着MIMO技术发展起来的一种编码技术,利用分集思想或空间复用思想构造的空时码可以提供分集增益和编码增益,空时分组码......

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In this paper, we analyze the scheme of Space-Time Coded BeamForming (STC-BF) for the downlink of DS-CDMA system over fr......

The closed-form solutions for error rates of Space-Time Block Code (STBC) Multiple Phase Shift Keying (MPSK) systems are......

提出一种新颖简洁的基于Alamouti空时分组码和0FDM系统的空时频编码方案,可以同时获得频率分集和空间分集.文中提出的2发射天线的A......

Bell layered space-time architecture (BLAST) is a multi-antenna communication structure with high spectrum efficiency, a......

In this paper, STC with water-filling transmit power distribution in MISO system is proposed when the partial channel i......

NO。1The Effeets of Tim卜varying Channels on OFDM ···································......

The simplified joint channel estimation and symbol detection based on the EM (expectation-maximization) algorithm for s......

In this paper, a new performance enhancement algorithm for Space-Time Block Coding in OFDM System, which is an adaptive ......

This paper briefly introduces one of the three physical layer implementations of IEEE 802.16a~[1],WirelessMAN-OFDM PHY.B......

This paper investigates pilot-symbol-aided channel estimation/prediction for Multiple-Input Multiple-Output (MIMO) syste......

A differential modulation scheme using space-time block codes is put forward. Compared with other schemes, our scheme h......

A MIMO-OFDM system using space-time block coding can combat frequency selectivity fading and achieve diversity gains. Th......

Discrete Fourier Transform (DFT) based multiple-input multiple-output Orthogonal Frequency Division Multiplexing (MIMO-O......

The combination schemes of Space-Time Block Code (STBC) and Code Division Multiple Access (CDMA) have attracted much att......

The matrix inversion operation is needed in the MMSE decoding algorithm of orthogonal space-time block coding (OSTBC) pr......

Plenty of work have been done on Space-Time processing in which multiple transmit/receive antennas are used in conjuncti......

This paper deals with channel estimation for orthogonal frequency-division multiplexing (OFDM) systems with transmit div......

军事通信对数据传输速率的要求越来越高,尤其战场态势信息多以图像甚至实时视频为迫切需要,因此如何在不增加或少增加复杂度而且不......

提出一种基于自适应波束形成循环平稳信号算法的STBC系统,首先利用信号的循环平稳性质实现自适应波束形成,然后基于对上行链路感兴......

本文提出一种可用于宽带数字移动通信系统的多输入多输出(MIMO)无线传输系统架构———分组的空时块编码(G-STBC)MIMO结构,即发送......

Space-time coding is an important technique t ha t can improve transmission performance at fading environments in mobile......

To restrain the interference of co-channel users using space-time block coding (STBC), the proposed Gaussian-forcing sof......

In this paper, a novel multiple trellis coded orthogonal transmit scheme is proposed to exploit transmit diversity in fa......

The complex orthogonal designs with maximal rates and minimal delays is an open problem for space-time block code. Maxim......

在分析空时编码技术和多载波CDMA技术原理的基础上,采用turbo编码作为信道编码以及优化的复小波包作为多载波调制,提出一种基于复......

The Bit Error Rate (BER) performance of a Turbo Product Code (TPC) based Space-Time Block Coding (STBC) multiuser wirele......

Channel estimation is very important for MIMO (Multiple Input Multiple Output) OFDM (Or-thogonal Frequency Division Mult......

An efficient space-time-frequency (ST F) coding strategy for multi-input multi-output orthogonal frequency division mult......

It is well known that it is impossible for complex orthogonal space-time block codes with full diversity and full rate t......

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为了改进超正交空时格码的设计,提出了基于迹准则的设计方法.分析了传统基于秩行列式准则设计方法的缺点,以及基于迹准则设计的优......

The Ultra-WideBand Orthogonal Frequency Division Multiplexing (UWB-OFDM) approach is a promising physical-layer techniqu......

An optimal minimum mean square error successive interference cancellation (OMMSE SIC) scheme for Group-wise space-time b......

Considering that channel estimation plays a crucial role in coherent detection, this paper addresses a method of Recursi......