By using a single IC Panasonic has developed a new wireless communication technology for M2M (Machine-to-Machine) sensor networks, where devices communicate with each other in an autonomous way without human intervention.
This Wireless sensor network simultaneously detect multiple wireless communication standards, which differ from one country to another or in the target applications. Multiple communication modes are integrated by sharing the software of same functions and reducing the amount of signal processing in microcomputer. As a result, engineers can design and develop wireless modules that are small but can operate for an extended period of time, says Panasonic.
The new technology has the following features according to Panasonic:
Ability to be used in various devices and/or machines, independent of wireless standards and operation frequencies.
Reduction in the receiver power consumption of the whole module by 55% (compared with Panasonic's existing products) that enables 20-year battery operation*2.
A small multi-mode wireless LSI having the same size as a conventional single-mode one, enabling downsizing of wireless modules.
This multi-mode wireless communication technology includes the following technologies.
Multi-mode technology that reduces both power consumption and memory capacity requirement based on frequency detection by hardware and unified control by common software for multiple wireless operation modes.
Receiver power reducing technology that enables 20-year battery operation while supporting multiple wireless modes, which is achieved by intelligently controlling voltage supplies and generating high rate internal clocks from low rate clocks to minimize circuit current.
Wireless LSI miniaturizing technology which reduces the size of coils in oscillator circuits and eliminates filters used in analog-to-digital converters.
Panasonic said it holds 26 Japanese patents and 19 overseas patents (including pending) related to this technology.