Advanced Multipath Mitigation Techniques for Satellite-Based Positioning Applications

Table 2

Comparative performance of multipath mitigation techniques.

	nEML	HRC	TK + nEML	PT(Diff2)	TK	RSSML
Closely spaced multipath performance	Moderate	Good	Moderate	Good	Moderate	Best
Running average error performance	Fair	Good	Good	Very Good	Very Good	Best
Correlator requirement (No. of Corr.)	Few (3)	Few (5)	Few (5)	Many (100+)	Many (100+)	Many (100+)
A priori information	Coarse delay estimate	Coarse delay estimate	Coarse delay estimate	Coarse delay estimate	Coarse estimate delay	A large set of reference correlation functions
Channel estimation required?	No	No	No	Yes (noise computation)	Yes (noise computation)	Yes (noise computation)
Memory requirement	None	None	None	None	None	High
Complexity	Low	Low	Moderate	Fair	Fair	High