notesum.ai

Published at December 3

Quaternary and Component-Binary Spreading Codes with Low Correlation for Navigation Systems

cs.IT

math.IT

Released Date: December 3, 2024

Authors: P. Vijay Kumar¹, Sugandh Mishra², Dileep Dharmappa³

Aff.: ¹Indian Institute of Science, Bengaluru, India; ²SAC, Indian Space Research Organization, Ahmedabad, India; ³ISTRAC, Indian Space Research Organization, Bengaluru, India

Arxiv: http://arxiv.org/pdf/2412.02647v1

Property	IZ4₂	Truncated	BDS B1
		Gold Codes [15]	[16]
Length	2046	2046	2046
Even ACR	-29.83 dB	NA	-21.61 dB
Even CCR	-29.83 dB	NA	-19.77 dB
Odd ACR	-23.30 dB	NA	-22.36 dB
Odd CCR	-20.28 dB	-19.6 dB	-20.28 dB
Max (over all even)
and odd correlations)	-20.28 dB	-19.6 dB	-20.28 dB
RMS (dB)	-33.11 dB	-33.1 dB	-33.11 dB
$99\%$ percentile (dB)	-26.05 dB	-25.5 dB	-25.55 dB
$99.9\%$ percentile (dB)	-23.68 dB	-23.7 dB	-23.68 dB
Symbol Balance	$0$ or $2$	$0$	$0$ or $2$
Family Size	221	210	$37$
Implementation	SR Based	SR based	SR based