Asynchronous functional coupling for low power sensor network processors

Shang, D; Shin, C; Wang, P; Xia, F; Koelmans, A; Oh, M; Kim, S; Yakovlev, A

doi:10.1007/978-3-540-74442-9_6

Asynchronous functional coupling for low power sensor network processors

Lookup NU author(s): Dr Delong Shang, Michael Shin, Ping Wang, Dr Fei Xia, Dr Albert Koelmans, Professor Alex Yakovlev

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Abstract

Ibis paper describes the design of an asynchronous implementation of a sensor network processor. The main purpose of this work is the reduction of power consumption in sensor network node processors and the research presented here tries to explore the suitability of asynchronous circuits for this purpose. The Handshake Solutions toolkit is used to implement an asynchronous version of a sensor processor. The design is made compact, trading area and leakage power savings with dynamic power costs, targeting the typical sparse operating characteristics of sensor node processors. It is then compared with a synchronous version of the same processor based on a reasonable power metric to guarantee accurate comparison. Apart from that, we also compare the design effort between synchronous and asynchronous implementations.