56 lines
2.5 KiB
Python
56 lines
2.5 KiB
Python
"""
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Configuration system for LoRa route simulation.
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All parameters must be defined here - no hardcoded values allowed.
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"""
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# =============================================================================
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# Network Topology
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# =============================================================================
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NODE_COUNT = 12 # Number of nodes in the network
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AREA_SIZE = 800 # Deployment area size (meters)
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SINK_NODE_ID = 0 # Sink node ID (root of the routing tree)
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# =============================================================================
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# Timing Parameters
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# =============================================================================
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HELLO_PERIOD = 8.0 # HELLO packet broadcast period (seconds)
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DATA_PERIOD = 30.0 # Data packet generation period (seconds)
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SIM_TIME = 1000.0 # Total simulation time (seconds)
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# =============================================================================
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# Radio Parameters
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# =============================================================================
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TX_POWER = 14 # Transmit power (dBm)
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RSSI_THRESHOLD = -105 # Reception sensitivity threshold (dBm)
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NOISE_SIGMA = 3 # Gaussian noise standard deviation (dB)
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PATH_LOSS_EXPONENT = 2.7 # Path loss exponent (n)
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# =============================================================================
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# MAC Layer Parameters
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# =============================================================================
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ACK_TIMEOUT_FACTOR = 2.5 # ACK timeout = airtime × this factor
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MAX_RETRY = 3 # Maximum transmission retries
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BACKOFF_MIN = 0.0 # Minimum backoff time (seconds)
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BACKOFF_MAX = 2.0 # Maximum backoff time (seconds)
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# =============================================================================
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# LoRa Physical Parameters
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# =============================================================================
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SF = 9 # Spreading Factor (7-12)
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BW = 125000 # Bandwidth (Hz)
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CR = 5 # Coding Rate (5-8, represents 4/5 to 4/8)
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PREAMBLE = 8 # Preamble length (symbols)
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# =============================================================================
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# Routing Parameters
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# =============================================================================
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LINK_PENALTY_SCALE = 8.0 # Scale factor for link penalty calculation
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ROUTE_UPDATE_THRESHOLD = 1.0 # Cost threshold for route update
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# =============================================================================
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# Logging
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# =============================================================================
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LOG_LEVEL = "INFO" # DEBUG, INFO, WARNING, ERROR
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LOG_FORMAT = "[{time:.1f}][NODE{nid:>3}][{event}] {message}"
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