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We study a heterogeneous wireless sensor network (WSN) where N heterogeneous access points (APs) gather data from densely deployed sensors and transmit their sensed information to M heterogeneous fusion centers (FCs) via multi-hop wireless…

Information Theory · Computer Science 2021-09-09 Saeed Karimi-Bidhendi , Jun Guo , Hamid Jafarkhani

Infrastructure-less Multi-hop Wireless Networks are the backbone for mission critical communications such as in disaster and battlefield scenarios. However, interference signals in the wireless channel cause losses to transmission in…

Networking and Internet Architecture · Computer Science 2024-11-25 Muhammad Ali , Alister Burr

Mission critical data dissemination in massive Internet of things (IoT) networks imposes constraints on the message transfer delay between devices. Due to low power and communication range of IoT devices, data is foreseen to be relayed over…

Networking and Internet Architecture · Computer Science 2019-12-03 Muhammad Junaid Farooq , Quanyan Zhu

We consider the capacity problem for wireless networks. Networks are modeled as random unit-disk graphs, and the capacity problem is formulated as one of finding the maximum value of a multicommodity flow. In this paper, we develop a proof…

Information Theory · Computer Science 2007-07-13 Christina Peraki , Sergio D. Servetto

Content caching in wireless networks provides a substantial opportunity to trade off low cost memory storage with energy consumption, yet finding the optimal causal policy with low computational complexity remains a challenge. This paper…

Signal Processing · Electrical Eng. & Systems 2020-01-22 Zhijie Chen , Hoshyar Mohammed , Wei Chen

We propose an algorithm which produces a randomized strategy reaching optimal data propagation in wireless sensor networks (WSN).In [6] and [8], an energy balanced solution is sought using an approximation algorithm. Our algorithm improves…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-05-23 Pierre Leone , Olivier Powell , Jose Rolim

In wireless networks, energy consumed for communication includes both the transmission and the processing energy. In this paper, point-to-point communication over a fading channel with an energy harvesting transmitter is studied considering…

Information Theory · Computer Science 2012-08-24 Oner Orhan , Deniz Gündüz , Elza Erkip

In wireless distributed storage systems, storage nodes are connected by wireless channels, which are broadcast in nature. This paper exploits this unique feature to design an efficient repair mechanism, called broadcast repair, for wireless…

Information Theory · Computer Science 2016-03-02 Ping Hu , Chi Wan Sung , Terence H. Chan

For stationary wireless ad hoc networks, one of the key challenging issues in routing and multicasting is to conserve as much energy as possible without compromising path efficiency measured as end-to-end delay. In this paper, we address…

Networking and Internet Architecture · Computer Science 2010-07-15 Tamaghna Acharya , Samiran Chattopadhyay , Rajarshi Roy

The paper investigates the problem of maximizing expected sum throughput in a fading multiple access cognitive radio network when secondary user (SU) transmitters have energy harvesting capability, and perform cooperative spectrum sensing.…

Information Theory · Computer Science 2016-02-23 Sinchan Biswas , Amirpasha Shirazinia , Subhrakanti Dey

In this paper we present a new routing paradigm that generalizes opportunistic routing for wireless multihop networks. In multirate anypath routing, each node uses both a set of next hops and a selected transmission rate to reach a…

Networking and Internet Architecture · Computer Science 2010-11-01 Rafael Laufer , Henri Dubois-Ferrière , Leonard Kleinrock

Network coding is all about combining a variety of packets and forwarding as much packets as possible in each transmission operation. The network coding technique improves the throughput efficiency of multi-hop wireless networks by taking…

Networking and Internet Architecture · Computer Science 2018-05-04 Nastooh Taheri Javan , Masoud Sabaei , Mehdi Dehghan

We consider a dynamic multichannel access problem, where multiple correlated channels follow an unknown joint Markov model. A user at each time slot selects a channel to transmit data and receives a reward based on the success or failure of…

Networking and Internet Architecture · Computer Science 2018-02-21 Shangxing Wang , Hanpeng Liu , Pedro Henrique Gomes , Bhaskar Krishnamachari

Supporting real-time communications over Wireless networks (WSNs) is a tough challenge, due to packet collisions and the non-determinism of common channel access schemes like CSMA/CA. Real-time WSN communication is even more problematic in…

Networking and Internet Architecture · Computer Science 2018-09-18 Federico Terraneo , Paolo Polidori , Alberto Leva , William Fornaciari

We consider the capacity problem (or, the single slot scheduling problem) in wireless networks. Our goal is to maximize the number of successful connections in arbitrary wireless networks where a transmission is successful only if the…

Data Structures and Algorithms · Computer Science 2010-11-23 Eyjólfur Ingi Ásgeirsson , Pradipta Mitra

We consider a general class of low complexity distributed scheduling algorithms in wireless networks, maximal scheduling with priorities, where a maximal set of transmitting links in each time slot are selected according to certain…

Information Theory · Computer Science 2011-12-05 Qiao Li , Rohit Negi

We consider the optimal packet scheduling problem in a single-user energy harvesting wireless communication system. In this system, both the data packets and the harvested energy are modeled to arrive at the source node randomly. Our goal…

Information Theory · Computer Science 2010-10-08 Jing Yang , Sennur Ulukus

We present a novel control policy, called Predictive Network Control (PNC) to control wireless communication networks (on packet level), based on paradigms of Model Predictive Control (MPC). In contrast to common myopic policies, who use…

Signal Processing · Electrical Eng. & Systems 2018-09-03 Richard Schoeffauer , Gerhard Wunder

In this paper, we investigate the transmission completion time minimization problem in a two-user additive white Gaussian noise (AWGN) broadcast channel, where the transmitter is able to harvest energy from the nature, using a rechargeable…

Information Theory · Computer Science 2016-11-15 Jing Yang , Omur Ozel , Sennur Ulukus

Characterizing the fundamental tradeoffs for maximizing energy efficiency (EE) versus spectrum efficiency (SE) is a key problem in wireless communication. In this paper, we address this problem for a point-to-point additive white Gaussian…

Information Theory · Computer Science 2013-02-06 Jie Xu , Rui Zhang