A Review of the Topologies Used in Smart Water Meter Networks: A Wireless Sensor Network Application

Table 1

General settings and MAC and physical layer parameters for all nodes.

MAC layer parameters
Status	Enabled
ACK wait duration (seconds)	0.05
Number of retransmissions	5
Minimum backoff exponent	3
Maximum number of backoffs	4
Channel sensing duration	0.1
Physical layer parameters
Data rate	Autocalculate
Packet reception-power threshold	−85
Transmission bands	Only 2450 MHz band enabled
Transmit power	0.05
General
PAN ID	2
Altitude	1.0