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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Hurni, P. Braun, T. |
| Copyright Year | 2009 |
| Description | Author affiliation: Institute of Computer Science and Applied Mathematics, University of Bern, 3012, Switzerland (Hurni, P.; Braun, T.) |
| Abstract | Energy efficiency is a major concern in the design of Wireless Sensor Networks (WSNs) and their communication protocols. As the radio transceiver typically accounts for a major portion of a WSN node's power consumption, researchers have proposed Energy-Efficient Medium Access $(E^{2}-MAC)$ protocols that switch the radio transceiver off for a major part of the time. Such protocols typically trade off energy-efficiency versus classical quality of service parameters (e.g. throughput, latency, reliability). Today's $E^{2}-MAC$ protocols are able to deliver little amounts of data with a low energy footprint, but introduce severe restrictions with respect to throughput and latency. Regrettably, they yet fail to adapt to varying traffic loads and changing requirements of the imposed traffic load. This paper evaluates the energy-throughput and energy-latency tradeoff of today's most prominent $E^{2}-MAC$ protocols for WSNs, and motivates the need for more flexible and traffic-adaptive $E^{2}-MAC$ protocols. It proposes an intuitive definition for the ability of a protocol to adapt to varying traffic load at run-time, and introduces a tri-partite metric to measure and quantify this ability, further called traffic-adaptivity, taking into account the protocol energy-efficiency, throughput and latency. The paper concludes with a comparative analysis of the traffic-adaptivity of today's $E^{2}-MAC$ protocols. |
| Starting Page | 1 |
| Ending Page | 8 |
| File Size | 735989 |
| Page Count | 8 |
| File Format | |
| ISBN | 9781424439423 |
| DOI | 10.1109/ICUMT.2009.5345489 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-10-12 |
| Publisher Place | Russia |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Radio transceivers Wireless application protocol Traffic Awareness Access protocols Telecommunication traffic Switches Throughput Wireless Sensor Networks Delay Wireless sensor networks Energy Efficient Medium Access Control Traffic Adaptivity Media Access Protocol Energy efficiency |
| Content Type | Text |
| Resource Type | Article |
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