Effective Caching in Wireless Sensor Network

@techreport{citeulike:1107875, abstract = {This paper proposes few ways of improving a WSN’s energy efficiency that already uses an energy efficient data routing protocol for continuous monitoring application. The proposed improvements are (i) data nego- tiation, (ii) development of data change expectancy, and (iii) data van- ishing. In data negotiation, an active sensor sends its sensed data only when the data changes. In expectancy development, a sensor develops the expectancy of when its sensed data might change. It then adjusts its sensing frequency accordingly to avoid unnecessary sensing. In data van- ishing, duplicate sensed data from multiple sensors are discarded while routed to the BS. Together, the proposed improvements can be viewed as an emulated cache where latest sensed data are always known without requiring the sensors to sense and report continuously. Our simulation results also show significant WSN lifetime increase from this emulated caching.}, author = {Rahman, Md A. and Hussain, Sajid }, citeulike-article-id = {1107875}, keywords = {aggregation, cites-us, energy-efficient}, month = {October}, posted-at = {2007-02-15 08:05:28}, priority = {3}, school = {Jodrey school of Computer Science}, title = {Effective Caching in Wireless Sensor Network}, url = {http://cs.acadiau.ca/research/technicalReports/files/tr-2006-005.pdf}, year = {2006} }

TY - RPRT ID - citeulike:1107875 L3 - citeulike-article-id:1107875 TI - Effective Caching in Wireless Sensor Network N2 - This paper proposes few ways of improving a WSN’s energy efficiency that already uses an energy efficient data routing protocol for continuous monitoring application. The proposed improvements are (i) data nego- tiation, (ii) development of data change expectancy, and (iii) data van- ishing. In data negotiation, an active sensor sends its sensed data only when the data changes. In expectancy development, a sensor develops the expectancy of when its sensed data might change. It then adjusts its sensing frequency accordingly to avoid unnecessary sensing. In data van- ishing, duplicate sensed data from multiple sensors are discarded while routed to the BS. Together, the proposed improvements can be viewed as an emulated cache where latest sensed data are always known without requiring the sensors to sense and report continuously. Our simulation results also show significant WSN lifetime increase from this emulated caching. KW - aggregation KW - cites-us KW - energy-efficient AU - Rahman, Md AU - Hussain, Sajid PY - 2006/10// UR - http://cs.acadiau.ca/research/technicalReports/files/tr-2006-005.pdf ER -