A Lossless Compression Approach Based on Delta Encoding and T-RLE in WSNs

Table 3

The compression ratio of the proposed method on several datasets.

Dataset	Original size (bytes)	Compressed size (bytes)	Number-UnComp-packet	Number-Comp-packet	CR (%)
LU_84 Temp	403,410	32,580	13,911	1123	91.92
FN_101 Temp	87,078	8,615	3,003	297	90.11
LG_20 Temp	134,178	20,075	4,627	692	85.04
GSB_10 Temp	148,118	19,632	5,108	677	86.75
LU_84 Hum	454,391	90,381	15,669	3,117	80.11
FN_101 Hum	88,557	17,575	3,054	606	80.15
LG_20 Hum	150,661	36,660	5,195	1264	75.67
GSB_10 Hum	166,107	38,135	5,728	1315	77.04