Wireless communication network and routing method

A wireless communication network, comprising:

• a destination node;
• a first node transmitting a first routing message comprising a destination field marked as the destination node, wherein the first node has a first routing table comprising a first entry for the destination node, and the first entry comprises a first list field for child node(s);
• and
• a second node generating and transmitting a second routing message comprising a destination field marked as the destination node, according to the first routing message, wherein the second routing message comprises a second parent node field, and the second parent node field is marked as the first node that transmitted the first routing message,
• wherein, the first node further receives the second routing message and stores a first mark in the first list field for child node(s) of the first entry after determining that the second parent node field of the second routing message is marked as the first node, and the first mark denotes the second node that transmitted the second routing message.