Method and apparatus for creating a composite waveform

Details Method and apparatus for creating a composite waveform Method and apparatus for creating a composite waveform

1993-12-06

1995-05-23

Cangialosi, Salvatore

Pulse or digital communications

Repeaters

Testing

380 34, 375206, H04L 2730

Patent

active

054188130

ABSTRACT:
A method and apparatus is provided for creating a composite waveform. This composite waveform is created by coding a plurality of input digital information signals. Subsequently, the plurality of coded input digital information signals are communicated over a communication medium to a digital combiner. The digital combiner combines the plurality of coded input digital information signals. Finally, the digitally combined information signal is spectrally shaped to form a composite waveform. These composite waveform creation principals may be applied to digitally encoded voice subbands in a subband coding system as well as channel information in a direct sequence code division multiple access (DS-CDMA) communication system transmitter.

REFERENCES:
patent: 4979188 (1990-12-01), Kotzin et al.
patent: 5099493 (1992-03-01), Zeger
patent: 5193102 (1993-03-01), Meidan et al.
patent: 5289499 (1994-02-01), Weerackody
patent: 5329547 (1994-07-01), Ling

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