The radio node is a custom wireless node which consists of:
− 1-GHz VIA C3 processor with 512 MB of RAM and a
20 GB local hard disk
− two wireless mini-PCI 802.11a/b/g interfaces
− two 100BaseT Ethernet ports for experimental data and
control respectively
− integrated chassis manager, that is used to remotely
monitor the status of each radio node’s hardware. The
nodes can be reset, powered on/off remotely by the CM
through a third Ethernet interface
2) Instrumentation subsystem intended to provide
capabilities for measurement of radio signal levels and to create
various types of artificial RF interference (white noise, colored
noise, microwave oven like noise etc.) inside the grid. The
intereference generator is based on RF Vector Signal Generator
while the spectrum measurements are done using Vector Signal
Analyzers.
3) Independent WLAN monitor system which provides a
MAC/network layer view of the radio grid’s components using
a number of WLAN “observers” spread across the system.
4) Support servers which includes the front-end servers for
web services and backend servers for experimentation and data
storage. The database servers support multi-terabyte storage
capacity.