A 142nW Voice and Acoustic Activity Detection Chip for mm-Scale Sensor Nodes Using Time-Interleaved Mixer-Based Frequency Scanning.
Minchang ChoSechang OhZhan ShiJongyup LimYejoong KimSeokhyeon JeongYu ChenDavid T. BlaauwHun-Seok KimDennis SylvesterPublished in: ISSCC (2019)
Keyphrases
- activity detection
- sensor nodes
- wireless sensor networks
- sensor networks
- energy consumption
- base station
- data transmission
- energy efficient
- sensor data
- mobile sensor networks
- resource constrained
- energy efficiency
- wireless multimedia sensor networks
- data aggregation
- wireless communication
- resource limitations
- sequence matching
- low cost
- routing protocol
- environmental monitoring
- sensed data
- routing algorithm
- high speed
- data collection
- battery powered
- clock frequency
- body sensor networks
- node selection
- sink node
- multi hop
- cooperative
- context aware
- wireless sensor nodes
- hidden markov models
- data streams
- data sets