On-demand Clock Synchronization Method for Wireless Sensor Networks Based on AODV Routing Protocol
A wireless sensor and clock synchronization technology, applied in the field of monitoring technology and communication, can solve problems such as data time stamp deviation
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[0061] Such as figure 1 and figure 2 Shown, the present invention comprises the following steps:
[0062] A: First, add new data items in the original data structure of the AODV routing protocol, including the following parts:
[0063] A1: Add variables in routing table entries As the clock skew estimate between source and destination nodes, The type of is a double-precision floating-point type;
[0064] A2: Add variables in routing table entries As an estimate of the transmission delay between the source node and the destination node, The type of is a double-precision floating-point type;
[0065] A3: Add variables in routing table entries As a sign of whether the source node and the destination node have completed synchronization, is of type Boolean;
[0066] Wherein, the routing entry is a data structure that saves the path information from the source node to the destination node; the source node refers to the sensor node that sends data, and at the same tim...
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