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相关论文: A Novel K-Repetition Design for SCMA

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Achieving high image quality is an important aspect in an increasing number of wireless multimedia applications. These applications require resource efficient error correction hardware to detect and correct errors introduced by the…

信息论 · 计算机科学 2013-08-02 Vikram Arkalgud Chandrasetty , Syed Mahfuzul Aziz

In this paper, we compare the performance of three different cooperative Hybrid Automatic Repeat reQuest (HARQ) protocols for slow-fading half-duplex orthogonal multiple access multiple relay channel. Channel State Information (CSI) is…

信号处理 · 电气工程与系统科学 2018-08-29 Stefan Cerović , Raphaël Visoz , Louis Madier

Sparse code multiple access (SCMA) is attracting significant research interests currently, which is considered as a promising multiple access technique for 5G systems. It serves as a good candidate for the future communication network with…

信号处理 · 电气工程与系统科学 2017-10-31 Shun Lou , Chen Gong , Qian Gao , Zhengyuan Xu

A novel recursive list decoding (RLD) algorithm for Reed-Muller (RM) codes based on successive permutations (SP) of the codeword is presented. A low-complexity SP scheme applied to a subset of the symmetry group of RM codes is first…

信息论 · 计算机科学 2022-09-22 Nghia Doan , Seyyed Ali Hashemi , Marco Mondelli , Warren J. Gross

In this paper, we propose a network non-orthogonal multiple access (N-NOMA) technique for the downlink coordinated multipoint (CoMP) communication scenario of a cellular network, with randomly deployed users. In the considered N-NOMA…

信息论 · 计算机科学 2017-12-14 Yanshi Sun , Zhiguo Ding , Xuchu Dai , George K. Karagiannidis

Coded caching is a promising technique to effectively reduce peak traffic by using local caches and the multicast gains generated by these local caches. We prefer to design a coded caching scheme with the subpacketization $F$ and…

信息论 · 计算机科学 2025-02-25 Minquan Cheng , Huimei Wei , Kai Wan , Giuseppe Caire

Reconciliation is a crucial procedure in post-processing of continuous variable quantum key distribution (CV-QKD) system, which is used to make two distant legitimate parties share identical corrected keys. The adaptive reconciliation is…

量子物理 · 物理学 2019-09-30 Xuan Wen , Qiong Li , Haokun Mao , Yi Luo , Bingze Yan

In this paper, we propose new coupled codes constructed by overlapping circular spatially-coupled low-density parity-check (SC-LDPC) codes, which show better asymptotic and finite-length decoding performance compared to the conventional…

信息论 · 计算机科学 2018-03-28 Heeyoul Kwak , Bohwan Jun , Pilwoong Yang , Jong-Seon No , Dong-Joon Shin

Sparse code multiple access (SCMA) is a promising technique for enabling massive connectivity and high spectrum efficiency in future machine-type communication networks. However, its performance crucially depends on well-designed…

信息论 · 计算机科学 2024-04-05 Tuofeng Lei , Qu Luo , Shuyan Ni , Shimiao Chen , Xin Song , Pei Xiao

This paper proposes and experimentally demonstrates a first wireless local area network (WLAN) system that jointly exploits physical-layer network coding (PNC) and multiuser decoding (MUD) to boost system throughput. We refer to this…

网络与互联网体系结构 · 计算机科学 2013-07-08 Lu Lu , Lizhao You , Soung Chang Liew

As a strategy to further reduce the transmission pressure during the peak traffic times in wireless network, coded caching has been widely studied recently. And several coded caching schemes are constructed focusing on the two core problems…

信息论 · 计算机科学 2017-12-27 Minquan Cheng , Jing Jiang , Youzhi Yao

We develop a coordinated hybrid automatic repeat request (HARQ) approach. With the proposed scheme, if a user message is correctly decoded in the first HARQ rounds, its spectrum is allocated to other users, to improve the network outage…

信息论 · 计算机科学 2014-12-23 Behrooz Makki , Tommy Svensson , Thomas Eriksson , Mohamed-Slim Alouini

Sparse code multiple access (SCMA) is one of the most promising methods among all the non-orthogonal multiple access techniques in the future 5G communication. Compared with some other non-orthogonal multiple access techniques such as low…

信号处理 · 电气工程与系统科学 2020-02-28 Fan Wei , Wen Chen

Recently, semantic communication has been brought to the forefront because of its great success in deep learning (DL), especially Transformer. Even if semantic communication has been successfully applied in the sentence transmission to…

信号处理 · 电气工程与系统科学 2022-06-10 Peiwen Jiang , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li

In this paper, we propose two novel cooperative-non-orthogonal-multiple-access (C-NOMA) and cooperative-rate-splitting-multiple-access (C-RSMA) schemes for uplink user cooperation. At the first mini-slot of these schemes, each user…

信息论 · 计算机科学 2022-08-02 Omid Abbasi , Halim Yanikomeroglu

Deep learning has achieved significant success in single hyperspectral image super-resolution (SHSR); however, the high spectral dimensionality leads to a heavy computational burden, thus making it difficult to deploy in real-time…

图像与视频处理 · 电气工程与系统科学 2025-10-01 Haohan Shi , Fei Zhou , Xin Sun , Jungong Han

We present a novel feedback protocol for wireless broadcast networks that utilize linear network coding. We consider transmission of packets from one source to many receivers over a single-hop broadcast erasure channel. Our method utilizes…

网络与互联网体系结构 · 计算机科学 2015-03-19 Arman Rezaee , Linda Zeger , Muriel Médard

Rate-matching of low-density parity-check (LDPC) codes enables a single code description to support a wide range of code lengths and rates. In 5G NR, rate matching is accomplished by extending (lifting) a base code to a desired target…

信息论 · 计算机科学 2024-10-29 Reinhard Wiesmayr , Darja Nonaca , Chris Dick , Christoph Studer

In this paper we introduce a novel Automatic Repeat reQuest (ARQ) scheme for cooperative wireless networks. Our scheme adopts network coding techniques in order to enhance the total bandwidth of the network by minimizing the total number of…

网络与互联网体系结构 · 计算机科学 2014-08-26 Angelos Antonopoulos , Christos Verikoukis

Retrieval-augmented generation improves large language models' accuracy by adding relevant retrieved text to the prompt. Chunk level caching (CLC) accelerates inference by precomputing KV caches for these retrieved chunks and reusing them.…

计算与语言 · 计算机科学 2026-03-24 Samuel Cestola , Tianxiang Xia , Zheng Weiyan , Zheng Pengfei , Diego Didona