Efficient sensing techniques for Smart City applications
A research group from a Spanish university with experience in event-based sensing techniques offers embedded processing techniques to increase the added value of wireless sensor devices in the context of smart cities: higher lifetime due to a consumption reduction of sensor nodes and minimal degradation of the communication channel. Looking for manufacturers partners of sensor network devices, with no preferred location, to establish a commercial agreement with technical assistance.
The univeristy is seeking for a company with technological development capacity to implement and maintain the solution proposed to network sensing for Smart City applications. The efficient sensing techniques they have carried out are mainly processing techniques (software) to be implemented in devices working as wireless sensor nodes. This way, they offer added value to indoor/outdoor sensor networks manufacturing companies. The mentioned techniques allow increasing the sensor node lifetime and minimizing the wireless channel degradation.
Sensing is the pillar of most of the services that citizen demands from a smart city: health care, urban transport, education, energy consumption, security, environment, etc. The area to be covered requires wireless and battery powered sensing solutions. However, the extensive use of sensory nodes presents two important problems: a) the energy consumption of each node, bearing in mind that, of all the processes to be carried out in the sensory node, the communication with other nodes is the one that requires greater energy consumption; and b) the access to the communication channel. The research group at the Spanish university, has contributed to providing answers to these transversal problems, developing event-based sensing applications in the context of smart cities. The graphical abstract includes event-based sensing techniques they work with: send-on-delta (SoD), send-on-prediction (SoP), send-on-area (SoA) and send-on-energy (SoE). The contribution to the field of smart city sensing is twofold: - improve the performance of sensor nodes already in place by adapting the corresponding triggering mechanism, - incorporate new asynchronous and selective sensing strategies into next-generation sensors. The efficient sensing techniques the group has carried out are mainly processing techniques to be implemented in devices working as wireless sensor nodes. This way they offer added value to indoor/outdoor sensor networks manufacturing companies, mainly in the Smart Cities context. Some examples of smart city application are: air quality assessment, mapping of noise and light pollution, lighting and cleaning of public spaces, security in tourist environments, maintenance of green areas, active assisted living, etc. They are looking for manufacturers partners of sensor network devices to incorporate this sensing techniques developed as added value into their products by establishing commercial agreement with technical assistance.
Advantages and innovations
Compared to classic techniques of network periodic sensing, wired or wireless, the event-based technology has the following advantages: - Adaptation of the decision strategy of when to measure and, above all, when to transmit the information to the processing central node. - Extension of the average battery life powering the sensory node and therefore the node life. - Optimization of the massive use of the communication network allowing the link between sensory nodes and these with the processing central node. - Selection of the most appropriate event-based estimation technique, taking into account trigger thresholds and maximum waiting times. - Modelling the sensed variable behavior to evaluate the triggering mechanism implementation outside the sensorial node itself. - Integration of event-based sensing techniques with available IoT solutions and cloud processing.
Under development/lab tested
Intellectual Property Rights (IPR)
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