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Hybrid performance modelling of opportunistic networks

Luca Bortolussi, Vashti Galpin, Jane Hillston
2012 Electronic Proceedings in Theoretical Computer Science  
We demonstrate the modelling of opportunistic networks using the process algebra stochastic HYPE.  ...  Our model describes a network of stationary video sensors with a mobile ferry which collects data from the sensors and delivers it to the base station.  ...  Other formal approaches to performance modelling of opportunistic networks have appeared in the literature in recent years.  ... 
doi:10.4204/eptcs.85.8 fatcat:pabexv5y65gmxgt6ji4qkpvm7q

Performance Analysis of Wireless Scheduling with ARQ in Fast Fading Channels [chapter]

Hwee Pink Tan
2005 Lecture Notes in Computer Science  
In this paper, we study the performance of opportunistic scheduling for downlink data transmissions with type-II packet-combining hybrid ARQ in a multirate cellular network for a fast fading environment  ...  In ongoing work, we seek to extend the analysis of the model as well as generalize the model to a multi-user scenario.  ...  Conclusions In this paper, we analyze the performance of opportunistic scheduling with type-II packet-combining hybrid ARQ for downlink data transmissions in a multirate cellular network for a fast fading  ... 
doi:10.1007/11499169_32 fatcat:jlo4yrlukre3fhofgbeyt5zeya

Analysis of opportunistic localization algorithms based on the linear matrix inequality method

Francesco Zorzi, Andrea Bardella, Tanguy Pérennou, Guodong Kang, Andrea Zanella
2010 Proceedings of the Second International Workshop on Mobile Opportunistic Networking - MobiOpp '10  
Results show that LMI-based schemes, especially the range-based one, are potentially capable of yielding very accurate localization even after a limited number of opportunistic exchange, though performance  ...  In this paper we define and compare different localization algorithms based on an opportunistic paradigm.  ...  Communication model We assume every node in the network is equipped with a common wireless communication interface that is used for (opportunistic) data exchange.  ... 
doi:10.1145/1755743.1755777 dblp:conf/mobiopp/ZorziBPKZ10 fatcat:3i44s7ygevchhm5qgdoqf7p7sq

Hybrid Overlay/Underlay Transmission with Partial and Opportunistic Relay Selection in Cognitive Radio Networks

C. S. Preetham, M. Siva Ganga Prasad, T. V. Ramakrishna
2016 Indian Journal of Science and Technology  
Also, the performance of the opportunistic and partial relay selection is investigated.  ...  Simulation results are presented to demonstrate the performance of the proposed hybrid technique over the traditional methods.  ...  deferent from the relay selection in hybrid CR network.  ... 
doi:10.17485/ijst/2016/v9i39/86946 fatcat:w7ebctvosra2hfv5szr5hskk3y

Using Hybrid Evolutionary Algorithm based Adaptive Filtering

Adnan Alrabea
2017 International Journal of Advanced Computer Science and Applications  
Noise degrades the overall efficiency of the data transmission in the networking models which is no different in Cognitive Radio Adhoc Networks (CRAHNs).  ...  The key benefit of the HPSOGA based adaptive filter is the global optimization when compared to other, the proposed model with noise cancellation has better performance values than other routing models  ...  Fig. 1 shows the proposed model of opportunistic routing. A cognitive radio network comprising of M prime users and N secondary users is considered.  ... 
doi:10.14569/ijacsa.2017.080936 fatcat:pwgfqj2nbba7hiwlb4qchjz6pq

Energy efficient opportunistic uplink packet forwarding in hybrid wireless networks

Arash Asadi, Vincenzo Mancuso
2013 Proceedings of the the fourth international conference on Future energy systems - e-Energy '13  
Opportunistic schedulers have been primarily proposed to enhance capacity of cellular networks.  ...  To achieve this goal, we propose a novel two-tier uplink forwarding scheme in which users cooperate, in particular by forming clusters of dual-radio mobiles in hybrid wireless networks.  ...  CLUSTER-BASED SCHEDULERS In this section, we illustrate the performance of our proposal by providing preliminary results obtained from numerical simulations run on Mathematica. System model.  ... 
doi:10.1145/2487166.2487197 dblp:conf/eenergy/AsadiM13 fatcat:qfg3mzmxhrbk3bz7enyciiz3qi

A hybrid routing approach for opportunistic networks

Ling-Jyh Chen, Chen-Hung Yu, Tony Sun, Yung-Chih Chen, Hao-hua Chu
2006 Proceedings of the 2006 SIGCOMM workshop on Challenged networks - CHANTS '06  
In this paper, we propose a hybrid scheme, named H-EC, to deal with a wide variety of opportunistic network cases.  ...  As the sheer number of potential opportunistic application continues to surge (i.e. wireless sensor networks, underwater sensor networks, pocket switched networks, transportation networks, and etc.), the  ...  When the network mobility departs from the well-known random way-point mobility model (e.g., the Pursue Mobility Model [5] and the Reference Point Group Mobility Model [13] ), previous studies have  ... 
doi:10.1145/1162654.1162658 dblp:conf/sigcomm/ChenYSCC06 fatcat:weg5tzdxdzggbdl3baizl3mugu

Wireless multihop backhauls for rural areas: A preliminary study

Zainab Zaidi, Kun-chan Lan, Kim-Kwang Raymond Choo
2017 PLoS ONE  
Along with aerial networks of Google and Facebook, there has been a considerable amount of research toward long-distance terrestrial WiFi links.  ...  These initial results can serve as a first step to understand the comprehensive feasibility of using multihop WiFi networks for backhaul connections in rural area.  ...  was affiliated with NICTA (now called Data61), Sydney, Australia, and was visiting NED University, Karachi, Pakistan, on Higher Education Commission (HEC) Pakistan's foreign faculty program when most of  ... 
doi:10.1371/journal.pone.0175358 pmid:28403167 pmcid:PMC5389820 fatcat:ye3f4jvrmnerbbrcekimuncgmq

A Noval Wakeup Schedule Algorithm for Relay Nodes to enhance the lifetime of Sensor Network

Shruti Pandey
2017 IJARCCE  
In fact, the key idea behind opportunistic routing is to overcome the drawback of unreliable wireless transmission by taking advantage of the broadcast nature of the wireless medium.  ...  The problem arising is of energy optimization in network and if energy is managed, lifetime for the network is enhanced.  ...  NETWORK AND ENERGY MODELS: In this section, the network model and energy model is described. A. Network Model We consider a multi-hop WSN in a linear queue model as shown in Fig. 2 .  ... 
doi:10.17148/ijarcce.2017.6530 fatcat:uwya2wj7uzautotyahskeys5iu

On the Capacity of Hybrid Wireless Networks with Opportunistic Routing

Tan Le, Yong Liu
2010 EURASIP Journal on Wireless Communications and Networking  
This paper studies the capacity of hybrid wireless networks with opportunistic routing (OR).  ...  The developed models are applied to study several hybrid wireless network examples.  ...  the gain of OR in hybrid wireless networks, we also compare the performance of OR with that of hybrid unicast routing in the same network setting.  ... 
doi:10.1155/2010/202197 fatcat:owvt5mromra5bkg7slrlw5uziu

On the Capacity of Hybrid Wireless Networks with Opportunistic Routing [chapter]

Tan Le, Yong Liu
2009 Lecture Notes in Computer Science  
This paper studies the capacity of hybrid wireless networks with opportunistic routing (OR).  ...  The developed models are applied to study several hybrid wireless network examples.  ...  the gain of OR in hybrid wireless networks, we also compare the performance of OR with that of hybrid unicast routing in the same network setting.  ... 
doi:10.1007/978-3-642-03417-6_21 fatcat:wqu5fwf23jeuzond7ybzgiywve

Performance evaluation of wireless multihop communications for an indoor environment

Petros Spachos, Francis M. Bui, Liang Song, Yves Lostanlen, Dimitrios Hatzinakos
2011 2011 IEEE 22nd International Symposium on Personal, Indoor and Mobile Radio Communications  
Then, a discrete event simulator is applied to examine the performance of the network with two classes of routing protocols: traditional vs. opportunistic.  ...  The effect of an arbitrary indoor infrastructure environment on the performance of a wireless multihop network is investigated.  ...  The authors would like to thank SIRADEL [17] for providing the Volcano Lab platform to host part of this research, and Gregory Gougeon for his valuable comments and making available part of the simulation  ... 
doi:10.1109/pimrc.2011.6139676 dblp:conf/pimrc/SpachosBSLH11 fatcat:prb73mem25fhnpi37vupxwmhlu

The Best of Both Worlds: Hybrid Data-Driven and Model-Based Vehicular Network Simulation [article]

Benjamin Sliwa and Manuel Patchou and Christian Wietfeld
2020 arXiv   pre-print
In this paper, we present a hybrid simulation approach which brings together model-based mobility simulation, multi-dimensional Radio Environmental Maps (REMs) for efficient maintenance of radio propagation  ...  time-consuming and lack of a controllable environment, the derivation of analytical models is often not possible due to the immense system complexity, system-level network simulations imply simplifications  ...  ACKNOWLEDGMENT Part of the work on this paper has been supported by the German Federal Ministry of Education and Research (BMBF) in the project A-DRZ (13N14857) as well as by the Deutsche Forschungsgemeinschaft  ... 
arXiv:2008.07096v1 fatcat:x7bglecuifguzhplkflt6t7l34

Opportunistic Networking Protocol Simulator for OMNeT++ [article]

Asanga Udugama, Anna Förster, Jens Dede, Vishnupriya Kuppusamy, Anas Bin Muslim
2017 arXiv   pre-print
One of these architectures is Opportunistic Networking (OppNets).  ...  To evaluate the performance of OppNets, an OMNeT++ based modular simulator is built with models that handle the operations of the different protocol layers of an OppNets based node.  ...  OPPORTUNISTIC PROTOCOL SIMULATOR (OPS) The Opportunistic Protocol Simulator (OPS) is a set of simulation models in OMNeT++ to simulate opportunistic networks.  ... 
arXiv:1709.02210v1 fatcat:r37ugzc4u5gojhqprpnxb27xya

Multi-hop optimal position based opportunistic routing for wireless sensor networks

C R Yamuna Devi, B Shivaraj, S. S. Iyengar, S H Manjula, K R Venugopal, L M Patnaik
Opportunistic routing is a routing protocol that takes the advantage of broadcasting nature of wireless sensor network for multi-hop communication.  ...  Considering the importance of communication between sourcedestination pairs in a wireless sensor network a Multi-hop Optimal position based Opportunistic Routing (MOOR) protocol is proposed in this paper  ...  SYSTEM MODEL A. Network Model The network model used in this paper consists of 50 sensor nodes randomly deployed in an area of 500 m by 500 m.  ... 
doi:10.1109/tenconspring.2014.6863009 fatcat:xbyq3hqbwvhlxmmrybzkkyjv6u
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