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

Table 4

Comparative results of the proposed method with existing algorithms in terms of the compression ratio.

Dataset	Data size (bytes)
	GZIP	Bzip2	LZMA	LZ77	LZW	RLE-Bzip2	Proposed
LU_84 Temp	81.17	89.93	88.09	73.48	71.84	90.58	91.92
FN_101 Temp	76.42	86.03	85.61	67.91	65.48	88.54	90.11
LG_20 Temp	73.06	83.37	80.84	65.18	64.81	84.24	85.04
GSB_10 Temp	74.36	84.54	82.63	66.28	65.27	85.36	86.75
LU_84 Hum	65.42	73.74	75.86	54.90	59.18	79.16	80.11
FN_101 Hum	64.65	72.43	74.85	53.74	53.48	78.36	80.15
LG_20 Hum	60.95	69.74	70.56	49.72	53.37	75.38	75.67
GSB_10 Hum	61.76	69.83	71.98	50.32	54.13	76.27	77.04