IWKNN: An Effective Bluetooth Positioning Method Based on Isomap and WKNN

Table 2

The mean positioning error with different .

	15	16	17	18	19	20	21
2	1.778	1.772	1.957	1.807	1.895	2.004	1.920
3	1.856	1.710	1.811	1.735	1.680	1.801	1.712
4	1.770	1.744	1.687	1.663	1.601	1.573	1.529
5	1.672	1.592	1.635	1.732	1.635	1.516	1.618
6	1.625	1.523	1.712	1.736	1.657	1.597	1.617
7	1.741	1.600	1.705	1.703	1.761	1.675	1.609
8	1.751	1.585	1.703	1.783	1.614	1.731	1.594
9	1.770	1.695	1.718	1.843	1.639	1.730	1.593
10	1.778	1.686	1.666	1.825	1.672	1.682	1.606
11	1.785	1.676	1.718	1.823	1.749	1.695	1.559
12	1.764	1.618	1.722	1.776	1.665	1.646	1.584
13	1.742	1.577	1.695	1.761	1.630	1.635	1.592
14	1.736	1.633	1.697	1.755	1.653	1.675	1.615
15	1.745	1.638	1.674	1.741	1.678	1.702	1.606