中文
相关论文

相关论文: Distortion-free Golden-Hadamard Codebook Design fo…

200 篇论文

The Golden space-time trellis coded modulation (GST-TCM) scheme was proposed in \cite{Hong06} for a high rate $2\times 2$ multiple-input multiple-output (MIMO) system over slow fading channels. In this letter, we present the performance…

信息论 · 计算机科学 2007-11-09 Emanuele Viterbo , Yi Hong

This paper presents a highly robust space-frequency block coded (SFBC) multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) system. The proposed system is based on applying a short block length Walsh…

信息论 · 计算机科学 2012-08-16 F. Kalbat , A. Al-Dweik

This study will present the design, construction and implementation of Algebraic Geometric Irregular Block Turbo Codes (AGIBTCs). Furthermore, we will evaluate its performance over fast fading channels using different modulation schemes…

信息论 · 计算机科学 2016-04-05 Omar A. Alzubi

In this work, a coding technique called cost constrained Geometric Huffman coding (ccGhc) is developed. ccGhc minimizes the Kullback-Leibler distance between a dyadic probability mass function (pmf) and a target pmf subject to an affine…

信息论 · 计算机科学 2011-06-29 Georg Böcherer , Fabian Altenbach , Martina Malsbender , Rudolf Mathar

In this paper we present a block coded modulation scheme for a 2 x 2 MIMO system over slow fading channels, where the inner code is the Golden Code. The scheme is based on a set partitioning of the Golden Code using two-sided ideals whose…

信息论 · 计算机科学 2008-05-30 L. Luzzi , G. Rekaya-Ben Othman , J. -C. Belfiore , E. Viterbo

We recently proposed a new coding scheme for the L-channel multiple descriptions (MD) problem for general sources and distortion measures involving `Combinatorial Message Sharing' (CMS) [7] leading to a new achievable rate-distortion…

信息论 · 计算机科学 2011-06-01 Kumar Viswanatha , Emrah Akyol , Kenneth Rose

Motivated by the demand for energy-efficient communication solutions in the next generation cellular network, a mixed-ADC architecture for massive multiple input multiple output (MIMO) systems is proposed, which differs from previous works…

信息论 · 计算机科学 2016-11-18 Ning Liang , Wenyi Zhang

Dirty Paper Coding (DPC) is considered as the optimal precoding which achieves capacity for the Gaussian Multiple-Input Multiple-Output (MIMO) broadcast channel (BC). However, to find the optimal precoding order, it needs to repeat N! times…

信息论 · 计算机科学 2023-04-11 Zhibin Zou , Aveek Dutta

This work concerns minimizing the achievable distortion of a Gaussian source over a two-hop block fading channel under mean square-error criterion. It is assumed that there is not a direct link between transmission ends and the…

信息论 · 计算机科学 2016-05-31 Sayed Ali Khodam Hoseini , Soroush Akhlaghi , Mina Baghani

Coherent technology inherent with more availabledegrees of freedom is deemed a competitive solution for nextgeneration ultra-high-speed short-reach optical interconnects.However, the fatal barriers to implementing the conventiona.coherent…

信号处理 · 电气工程与系统科学 2024-03-19 Wei Wang , Dongdong Zou , Zhenpeng Wu , Qi Sui , Xingwen Yi , Fan Li , Chao Lu , Zhaohui Li

This paper presents a new achievable rate-distortion region for the general L channel multiple descriptions problem. A well known general region for this problem is due to Venkataramani, Kramer and Goyal (VKG) [1]. Their encoding scheme is…

信息论 · 计算机科学 2015-12-08 Kumar Viswanatha , Emrah Akyol , Kenneth Rose

An adaptive distributed space-time coding (DSTC) scheme is proposed for two-hop cooperative MIMO networks. Linear minimum mean square error (MMSE) receive filters and adjustable code matrices are considered subject to a power constraint…

信息论 · 计算机科学 2016-11-17 T. Peng , R. C. de Lamare , A. Schmeink

Hamming Quasi-Cyclic (HQC) was chosen for the latest post-quantum cryptography standardization. A concatenated Reed-Muller (RM) and Reed-Solomon (RS) code is decoded during the HQC decryption. Soft-decision RS decoders achieve better…

密码学与安全 · 计算机科学 2026-03-23 Jiaxuan Cai , Xinmiao Zhang

Gradient descent (GD) methods are commonly employed in machine learning problems to optimize the parameters of the model in an iterative fashion. For problems with massive datasets, computations are distributed to many parallel computing…

信息论 · 计算机科学 2019-03-06 Emre Ozfatura , Deniz Gunduz , Sennur Ulukus

In this paper, we study hierarchical codebook design for channel estimation in millimeter-wave (mmWave) communications with a hybrid precoding structure. Due to the limited saturation power of mmWave power amplifier (PA), we take the…

信息论 · 计算机科学 2016-03-10 Zhenyu Xiao , Pengfei Xia , Xiang-Gen Xia

The purpose of the study is to investigate potential benefits of using Alamouti-like orthogonal space-time-frequency block codes (STFBC) in distributed multiple-input multiple-output (D-MIMO) systems to increase the diversity at the UE side…

信息论 · 计算机科学 2023-02-09 Fehmi Emre Kadan , Ömer Haliloğlu , Andres Reial

The effect of different spreading codes in DWT based MC-CDMA wireless communication system is investigated. In this paper, we present the Bit Error Rate (BER) performance of different spreading codes (Walsh-Hadamard code, Orthogonal gold…

信息论 · 计算机科学 2012-07-18 Saleh Masum , M. Hasnat Kabir , Md. Matiqul Islam , Rifat Ara Shams , Shaikh Enayet Ullah

Differential distributed space-time coding (D-DSTC) technique has been considered for relay networks to provide both diversity gain and high throughput in the absence of channel state information. Conventional differential detection (CDD)…

信息论 · 计算机科学 2014-04-09 M. R. Avendi , Ha H. Nguyen , Nguyen Quoc-Tuan

Generalized low-density parity-check (GLDPC) codes, where single parity-check constraints on the code bits are replaced with generalized constraints (an arbitrary linear code), are a promising class of codes for low-latency communication.…

信息论 · 计算机科学 2025-08-12 Roxana Smarandache , David G. M. Mitchell , Anthony Gómez-Fonseca

Goldreich-Goldwasser-Halevi (GGH) public key cryptosystem is an instance of lattice-based cryptosystems whose security is based on the hardness of lattice problems. In fact, GGH cryptosystem is the lattice version of the first code-based…

密码学与安全 · 计算机科学 2015-06-16 Reza Hooshmand
‹ 上一页 1 2 3 10 下一页 ›