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

Table 5

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

Dataset	Data size (bytes)
	GZIP	Bzip2	LZMA	LZ77	LZW	RLE-Bzip2	Proposed
LU_84 Temp	0.1883	0.1007	0.1191	0.2652	0.2816	0.0942	0.0808
FN_101 Temp	0.2358	0.1397	0.1439	0.3209	0.3452	0.1146	0.0989
LG_20 Temp	0.2694	0.1663	0.1916	0.3482	0.3519	0.1576	0.1496
GSB_10 Temp	0.2564	0.1546	0.1737	0.3372	0.3473	0.1464	0.1325
LU_84 Hum	0.3458	0.2626	0.2414	0.4510	0.4082	0.2084	0.1989
FN_101 Hum	0.3535	0.2757	0.2515	0.4626	0.4652	0.2164	0.1985
LG_20 Hum	0.3905	0.3026	0.2944	0.5028	0.4663	0.2462	0.2433
GSB_10 Hum	0.3824	0.3017	0.2802	0.4968	0.4587	0.2373	0.2296