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Related papers: Network Coding-Based Cooperative ARQ Scheme

200 papers

Recently, network coding technique has emerged as a promising approach that supports reliable transmission over wireless loss channels. In existing protocols where users have no interest in considering the encoded packets they had in coding…

Information Theory · Computer Science 2010-09-21 Zhiheng Zhou , Liang Zhou , Xing Wang , Yuanquan Tan

In this paper, using tools from asymptotic random matrix theory, a new cooperative scheme for frequency band sensing is introduced for both AWGN and fading channels. Unlike previous works in the field, the new scheme does not require the…

Information Theory · Computer Science 2008-03-06 L. S. Cardoso , M. Debbah , P. Bianchi , J. Najim

We consider the problem of data exchange by a group of closely-located wireless nodes. In this problem each node holds a set of packets and needs to obtain all the packets held by other nodes. Each of the nodes can broadcast the packets in…

Information Theory · Computer Science 2016-11-15 Salim El Rouayheb , Alex Sprintson , Parastoo Sadeghi

This paper investigates the issue of cooperative activity detection for grant-free random access in the sixth-generation (6G) cell-free wireless networks with sourced and unsourced paradigms. First, we propose a cooperative framework for…

Information Theory · Computer Science 2020-11-23 Xiaodan Shao , Xiaoming Chen , Derrick Wing Kwan Ng , Caijun Zhong , Zhaoyang Zhang

In this paper, we address the discrete-time average consensus problem in strongly connected directed graphs, where nodes exchange information over unreliable error-prone communication links. We enhance the Robustified Ratio Consensus…

Systems and Control · Electrical Eng. & Systems 2024-07-30 Evagoras Makridis , Themistoklis Charalambous , Christoforos N. Hadjicostis

Inspired by several delay-bounded mission-critical applications, optimizing the end-to-end reliability of multi-hop networks is an important problem subject to end-to-end delay constraints on the packets. Towards that direction, Automatic…

Information Theory · Computer Science 2022-07-26 Jaya Goel , J. Harshan

Extensive research has been done to achieve better throughput and reliability in wireless networks, with focus on multiple-input multiple-output systems. Recently, cooperative networking techniques have been investigated to increase the…

Networking and Internet Architecture · Computer Science 2019-11-19 Muhammad Asam , Zeeshan Haider , Tauseef Jamal , Kashif Ghuman , Aleena Ajaz

It has been recently brought into spotlight that through the exploitation of network coding concepts at physical-layer, the interference property of the wireless media can be proven to be a blessing in disguise. Nonetheless, most of the…

Networking and Internet Architecture · Computer Science 2010-09-21 M. Amin Rahimian , Ali Ayremlou , Farokh Marvasti

The concept of spectrum or bandwidth sharing has gained significant global attention as a means to enhance the efficiency of real-time traffic management in wireless networks. Effective bandwidth sharing enables optimal utilization of…

Networking and Internet Architecture · Computer Science 2025-06-12 Sushi Anna George , Vinay Joseph

This letter studies channel coding for over-the-air computation (AirComp). AirComp enables efficient wireless data aggregation, where computation accuracy is the key performance metric. However, this accuracy is sensitive to channel…

Information Theory · Computer Science 2026-05-05 Shudi Weng , Ming Xiao , Mikael Skoglund

This paper presents a decentralized relay selection protocol for a dense wireless network and describes channel feedback strategies that improve its performance. The proposed selection protocol supports hybrid automatic-repeat-request…

Information Theory · Computer Science 2016-11-15 Caleb K. Lo , Robert W. Heath , Sriram Vishwanath

Traditional radio systems are strictly co-designed on the lower levels of the OSI stack for compatibility and efficiency. Although this has enabled the success of radio communications, it has also introduced lengthy standardization…

Signal Processing · Electrical Eng. & Systems 2018-01-16 Colin de Vrieze , Shane Barratt , Daniel Tsai , Anant Sahai

Relay selection enhances the performance of the cooperative networks by selecting the links with higher capacity. Meanwhile link adaptation improves the spectral efficiency of wireless data-centric networks through adapting the modulation…

Information Theory · Computer Science 2010-09-02 Wei Yang , Lihua Li , Gang Wu , Haifeng Wang

The objective of our paper is to improve efficiency (in terms of throughput or system capacity) for mobile satellite communications. In this context, we propose an enhanced Hybrid Automatic Repeat reQuest (HARQ) for delay tolerant services.…

Information Theory · Computer Science 2015-03-18 Rami Ali Ahmad , Jérôme Lacan , Fabrice Arnal , Mathieu Gineste , Laurence Clarac

This paper studies the tradeoff between channel coding and ARQ (automatic repeat request) in Rayleigh block-fading channels. A heavily coded system corresponds to a low transmission rate with few ARQ re-transmissions, whereas lighter coding…

Information Theory · Computer Science 2015-03-13 Peng Wu , Nihar Jindal

We apply a general recurrent neural network (RNN) encoder framework to community question answering (cQA) tasks. Our approach does not rely on any linguistic processing, and can be applied to different languages or domains. Further…

Computation and Language · Computer Science 2016-03-24 Wei-Ning Hsu , Yu Zhang , James Glass

This paper proposes a novel distributed reduced--rank scheme and an adaptive algorithm for distributed estimation in wireless sensor networks. The proposed distributed scheme is based on a transformation that performs dimensionality…

Information Theory · Computer Science 2014-11-06 S. Xu , R. C. de Lamare , H. V. Poor

In this paper we suggest a novel idea to improve the Throughput of a rapidly chang- ing WiFi channel by exploiting the standard aggregation schemes in IEEE 802.11ac networks, and by transmitting several copies of the same MPDU(s) in a…

Networking and Internet Architecture · Computer Science 2018-03-28 Oran Sharon , Yaron Alpert

Real-time remote estimation is critical for mission-critical applications including industrial automation, smart grid and tactile Internet. In this paper, we propose a hybrid automatic repeat request (HARQ)-based real-time remote estimation…

Information Theory · Computer Science 2024-10-30 Kang Huang , Wanchun Liu , Mahyar Shirvanimoghaddam , Yonghui Li , Branka Vucetic

Modern 5G communication systems implement a combination of error correction and feedback-based erasure correction (HARQ/ARQ) as reliability mechanisms, which can introduce substantial delay and resource inefficiency. We propose forward…

Networking and Internet Architecture · Computer Science 2026-01-06 Vipindev Adat Vasudevan , Homa Esfahanizadeh , Benjamin D. Kim , Laura Landon , Alejandro Cohen , Muriel Médard