Research Article
Vehicle Text Data Compression and Transmission Method Based on Maximum Entropy Neural Network and Optimized Huffman Encoding Algorithms
Table 2
Data compression test results.
| SN | Algorithm type | Data acquisition cycle (s) | Compressed transmission data length (kb) | Compression ratio | Transfer time (s) | Transmission error rate | Packet loss rate |
| 1 | Original | 15 | 824.56 | 0.00% | 72.66 | 3.36% | 5.52% | 2 | Original | 10 | 1,478.83 | 0.00% | 142.35 | 3.84% | 5.94% | 3 | Original | 5 | 2,578.57 | 0.00% | 265.39 | 3.59% | 5.04% |
| 4 | Huffman encoding | 15 | 423.22 | 48.67% | 33.37 | 2.87% | 4.54% | 5 | Huffman encoding | 10 | 752.48 | 49.12% | 75.54 | 2.79% | 4.78% | 6 | Huffman encoding | 5 | 1,314.65 | 49.02% | 127.88 | 2.98% | 5.17% |
| 7 | LZW | 15 | 371.38 | 54.96% | 29.78 | 2.67% | 4.54% | 8 | LZW | 10 | 653.11 | 55.84% | 67.76 | 2.61% | 4.61% | 9 | LZW | 5 | 1,156.83 | 55.14% | 112.39 | 2.80% | 4.32% |
| 10 | Maximum Entropy NN combined Huffman coding | 15 | 336.43 | 59.20% | 27.76 | 2.42% | 3.35% | 11 | Maximum Entropy NN combined Huffman coding | 10 | 613.43 | 58.52% | 61.35 | 2.32% | 3.42% | 12 | Maximum Entropy NN combined Huffman coding | 5 | 1,043.41 | 59.54% | 103.41 | 2.34% | 3.65% |
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