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We present a joint source-channel multiple description (JSC-MD) framework for resource-constrained network communications (e.g., sensor networks), in which one or many deprived encoders communicate a Markov source against bit errors and…

Information Theory · Computer Science 2007-08-28 Xiaolin Wu , Xiaohan Wang , Zhe Wang

We study an incremental redundancy (IR) cooperative coding scheme for wireless networks. To exploit the spatial diversity benefit we propose a cluster-based collaborating strategy for a quasi-static Rayleigh fading channel model and based…

Information Theory · Computer Science 2007-07-13 Ruoheng Liu , Predrag Spasojevic , Emina Soljanin

Integrated sensing and communication (ISAC) has gained traction in academia and industry. Recently, multipath components (MPCs), as a type of spatial resource, have the potential to improve the sensing performance in ISAC systems,…

Signal Processing · Electrical Eng. & Systems 2025-06-10 Haotian Liu , Zhiqing Wei , Xiyang Wang , Huici Wu , Fan Liu , Xingwang Li , Zhiyong Feng

Probabilistic message-passing algorithms are developed for routing transmissions in multi-wavelength optical communication networks, under node and edge-disjoint routing constraints and for various objective functions. Global routing…

Physics and Society · Physics 2022-04-25 Yi-Zhi Xu , Ho Fai Po , Chi Ho Yeung , David Saad

Maximum distance separable erasure coding has been introduced in wireless networks based on random medium access protocols in order to recover collided and erased packets. So, this help to avoid retransmission process which weaken the…

Signal Processing · Electrical Eng. & Systems 2020-10-13 Mohamed Lamine Boucenna , Malek Benslama

Aiming at bridging the gap between the maximum likelihood decoding (MLD) and the suboptimal iterative decodings for short or medium length LDPC codes, we present a generalized ordered statistic decoding (OSD) in the form of syndrome…

Information Theory · Computer Science 2008-05-16 Guangwen Li , Guangzeng Feng

In this paper, we propose a new relaying protocol for large multihop networks combining the concepts of cooperative diversity and opportunistic relaying. The cooperative relaying protocol is based on two diversity mechanisms, incremental…

Information Theory · Computer Science 2015-08-11 Amogh Rajanna , Mos Kaveh

This paper considers a relay-assisted bidirectional cellular network where the base station (BS) communicates with each mobile station (MS) using OFDMA for both uplink and downlink. The goal is to improve the overall system performance by…

Information Theory · Computer Science 2010-09-03 Yuan Liu , Meixia Tao , Bin Li , Hui Shen

Distributed deep learning (DDL) is a promising research area, which aims to increase the efficiency of training deep learning tasks with large size of datasets and models. As the computation capability of DDL nodes continues to increase,…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-07-11 Zixuan Chen , Lei Shi , Xuandong Liu , Jiahui Li , Sen Liu , Yang Xu

Multiuser resource allocation has recently been recognized as an effective methodology for enhancing the power and spectrum efficiency in OFDM (orthogonal frequency division multiplexing) systems. It is, however, not directly applicable to…

Numerical Analysis · Mathematics 2025-10-20 Ying Jun Zhang

We address the problem of optimizing the throughput of network coded traffic in mobile networks operating in challenging environments where connectivity is intermittent and locally available memory space is limited. Random linear network…

Information Theory · Computer Science 2011-04-19 Gabriel Popa

We study multi-user multi-way relay networks where $N$ user nodes exchange their information through a single relay node. We use network coding in the relay to increase the throughput. Due to the limitation of complexity, we only consider…

Information Theory · Computer Science 2013-03-20 Ang Yang , Zesong Fei , Chengwen Xing , Ming Xiao , Jinhong Yuan , Jingming Kuang

A multi-period planning framework is proposed that exploits multi-step ahead traffic predictions to address service overprovisioning and improve adaptability to traffic changes, while ensuring the necessary quality-of-service (QoS) levels.…

Networking and Internet Architecture · Computer Science 2025-02-13 Hafsa Maryam , Tania Panayiotou , Georgios Ellinas

Massive machine type communication (mMTC) has attracted new coding schemes optimized for reliable short message transmission. In this paper, a novel deep learning-based near-orthogonal superposition (NOS) coding scheme is proposed to…

Information Theory · Computer Science 2022-07-01 Chenghong Bian , Chin-Wei Hsu , Changwoo Lee , Hun-Seok Kim

We present an optimal decoder for physical-layer network coding (PNC) in a multipath fading channels. Previous studies on PNC have largely focused on the single path case. For PNC, multipath not only introduces inter-symbol interference…

Information Theory · Computer Science 2014-07-09 Minglong Zhang , Lu Lu , Soung-Chang Liew

Secure Transmission of data packets in Wireless Sensor Networks is an important area of Research. There is a possibility of an attacker creating security holes in the network. Hence, network security and reliability can be achieved by…

Cryptography and Security · Computer Science 2013-09-24 Lata B T , Jansi P K R , Shaila K , D N Sujatha , Venugopal K R , L M Patnaik

Opportunistic computation offloading is an effective method to improve the computation performance of mobile-edge computing (MEC) networks under dynamic edge environment. In this paper, we consider a multi-user MEC network with time-varying…

Networking and Internet Architecture · Computer Science 2021-07-08 Suzhi Bi , Liang Huang , Hui Wang , Ying-Jun Angela Zhang

Routing is a challenge to Wireless Multimedia Sensor Networks (WMSNs) for supporting multimedia applications due to nodes' energy constraints and computational capabilities, and the ways sensor nodes obtain forwarding information. In this…

Networking and Internet Architecture · Computer Science 2012-05-11 Samir Medjiah , Toufik Ahmed , Abolghasem Hamid Asgari

In network communication, the source often transmits messages at several different information rates within a session. How to deal with information transmission and network error correction simultaneously under different rates is introduced…

Information Theory · Computer Science 2014-03-04 Xuan Guang , Fang-Wei Fu , Zhen Zhang

Link adaptation is the terminology used to describe techniques that improve multicarrier communication systems performance by dynamically adapting the transmission parameters, i.e., transmit power and number of bits per subcarrier, to the…

Information Theory · Computer Science 2018-01-17 Ebrahim Bedeer
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