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| Content Provider | Springer Nature Link |
|---|---|
| Author | Morita, Kiyohiro Aikebaier, Ailixier Ekido, Tomoya Takizawa, Makoto |
| Copyright Year | 2008 |
| Abstract | In a wireless sensor-actuator network, sensor nodes gather information on the physical world and can deliver messages with sensed values to only nearby nodes due to weak radio. Thus, messages sent by nodes might be lost due to not only collision but also noise. Messages are forwarded by sensor nodes to an actuator node. In the redundant data transmission (RT) protocol, a sensor node sends a message with not only its sensed value but also sensed values received from other sensor nodes. Even if a message with a sensed value v is lost, an actuator node can receive the value v from a message sent by another sensor node. In addition, we have to reduce the energy consumption of a sensor node. A sensor node mainly consumes the energy to send and receive messages. Even if an event occurs, only some number of sensor nodes sensing the event send the sensed values to reduce the total energy consumption. We discuss an energy-efficient data transmission protocol. We evaluate the RT protocol compared with the CSMA protocol in terms of how much sensing data a node can receive in presence of messages loss. We evaluate the RT protocol in terms of how many number of sensed values an actuator node can receive in presence of message loss. We show that about 72% of sensed values can be delivered to an actuator node even if 95% of messages are lost due to noise and collision. |
| Starting Page | 71 |
| Ending Page | 82 |
| Page Count | 12 |
| File Format | |
| ISSN | 10184864 |
| Journal | Telecommunication Systems |
| Volume Number | 38 |
| Issue Number | 3-4 |
| e-ISSN | 15729451 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2008-04-05 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Reliable transmission Sensor node Actuator node Energy consumption Probability Theory and Stochastic Processes Artificial Intelligence (incl. Robotics) Computer Communication Networks Business Information Systems |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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