一个具备科研可验证性的 LoRa 多跳算法评估基线。

sim/routing/gradient_routing.py

@@ -109,7 +109,7 @@ class GradientRouting:
             node_id=packet.src,
             cost=neighbor_cost,
             rssi=rssi,
-            last_hello_time=packet.rssi,  # Use rssi field to store time
+            last_hello_time=rssi,  # Use rssi field to store time
         )
 
         # Check if we should update our route
@@ -129,10 +129,13 @@ class GradientRouting:
 
         return old_cost != self.cost
 
-    def get_next_hop(self) -> Optional[int]:
+    def get_next_hop(self, packet: Packet = None) -> Optional[int]:
         """
         Get next hop towards sink.
 
+        Args:
+            packet: Optional packet (for compatibility)
+
         Returns:
             Parent node ID, or None if no route
         """