StreetlightSim: a simulation environment to evaluate networked and adaptive street lighting

Sustaining the operation of street lights incurs substantial financial and environmental cost. Consequently, adaptive lighting systems have been proposed incorporating ad-hoc networking, sensing, and data processing, in order to better manage the street lights and their energy demands. Evaluating the efficiency and effectiveness of these complex systems requires the modelling of vehicles, road networks, algorithms, and communication systems, yet tools are not available to permit this. This paper proposes StreetlightSim, a novel simulation environment combining OMNeT++ and SUMO tools to model both traffic patterns and adaptive networked street lights. StreetlightSim’s models are illustrated through the simulation of a simple example, and a more complex scenario is used to show the potential of the tool and the obtainable results. StreetlightSim has been made open-source, and hence is available to the community

Poster Abstract: Solar-Powered Adaptive Street Lighting Evaluated with Real Traffic and Sunlight Data

Street lighting is an important resource; it has been shown to reduce crime, improve road safety, and increase economic activity. These benefits, however, come with a cost: an annual emission of 64 million tonnes of CO2. Solar-powered street lighting is attractive for its use of renewable energy and its ease of installation (particularly in off-grid applications), but sizing and control is a non-trivial task. This paper describes TALiSMaN-Green, a traffic-aware street lighting scheme which takes account of road users as well as the available energy to dynamically adjust lighting levels. Simulations using real traffic and sunlight data illustrate that solar-powered streetlights can be managed to deliver consistent usefulness throughout the night

Self-sustainable energy efficient long range WiFi network for rural communities

WiFi is a cost effective technology of choice for network extension in the rural areas. The telecentre network can reach further to the nearby villages within 10km radius by the use of long range WiFi relay points. The challenges encountered will be the self-sustainability of the network. It should be highly energy efficient and to be powered by the very limited energy sources available in the rural environment. In this case, a modular solar based power supply system has been investigated and enhanced to achieve longer operating hours for equipment installed in the middle of the tropical rainforest and on top of a mountain. The overall design of the self-sustainable long range WiFi network model and the end-user wireless terminal shall also meet the conditions of the rural as well as the living pattern of the local people. The proposed network model has been successfully deployed in a remote village in Borneo, named Bario, connecting six nearby villages to the telecentre for Internet access

Maximum energy level ad hoc distance vector scheme for energy efficient ad hoc networks routing

Energy consumption issue is an important research topic in wireless ad hoc networks, because wireless nodes in such networks operate on limited battery power. This paper describes improvement of an energy efficiency routing for ad hoc network utilizing the high energy paths. Our proposed algorithms adapt existing AODV routing protocol to improve performance in terms of energy conservation and other performance metrics. The purpose of using energy metric as route select method is to improve lifespan of Ad Hoc communication network and corresponding effect on overall network performance. Simulation results indicate that the routing schemes are more efficient than existing well-known routing protocol

Towards Utilizing Flow Label IPv6 in Implicit Source Routing for Dynamic Source Routing (DSR) in Wireless Ad Hoc Network

As Internet Protocol version 4 (IPv4) addresses deplete, Internet Protocol version 6 (IPv6) is introduced to alleviate the depletion with introduction of much needed functionality in security and so much more. Quality of Service (QoS) has been one of the aspects taken into consideration for improving network performance such as Packet Delivery Fraction (PDF), average End-to-end Delay and throughput. However in IPv4 network transmission, QoS is not given much attention as all transmission is treated equally with their “best-of-effort” services. Hence, in wireless ad hoc networks where unpredictable changes in topologies often disrupt on-going transmission. It will affect network performances with only the “best-of-effort” basis especially on real-time applications that require good network metrics. Therefore, in this paper we show how IPv6 can play its part in improving wireless ad hoc networks with QoS in Dynamic Source Routing (DSR) routing protocol