Patent ID: 11960654
Assignee: TATA CONSULTANCY SERVICES LIMITED
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 13:
14. The one or more non-transitory machine-readable information storage mediums of claim 13, wherein the step of transmitting, via a plurality of speakers, the plurality of modulated signals to the user is preceded by:
performing a logical operation on two pseudo random sequences obtained from a generator polynomial, to obtain a plurality of spreading sequence codes, wherein each of the two pseudo random sequences has a length of predefined symbols;
interpolating the plurality of spreading sequence codes to obtain a plurality of interpolated sequences;
filtering the plurality of interpolated sequences to obtain a plurality of filtered sequences;
appending the plurality of filtered sequences with zeros to obtain a plurality of padded signals; and
modulating the plurality of padded signals to obtain the plurality of modulated signals.