On-Chip Correlator for Passive Wireless SAW Multisensor Systems

Table 1

Example of 16-bit sensor codes.

Sensors	Codes
Sensor 1	[+1 −1 +1 +1 −1 +1 −1 +1 +1 −1 −1 +1 −1 −1 −1 +1]
Sensor 2	[−1 −1 +1 −1 +1 +1 +1 +1 −1 +1 −1 −1 +1 −1 +1 −1]
Sensor 3	[+1 +1 −1 −1 −1 +1 −1 −1 +1 −1 −1 +1 +1 −1 +1 +1]
Sensor 4	[−1 +1 −1 +1 +1 −1 −1 +1 −1 +1 −1 −1 +1 +1 +1 −1]
Sensor 5	[+1 +1 +1 −1 −1 −1 +1 −1 +1 −1 +1 −1 −1 −1 +1 +1]
Sensor 6	[−1 −1 +1 +1 −1 +1 +1 −1 −1 +1 +1 +1 −1 −1 −1 +1]