Document Type
Patent
Publication Date
December 2014
Patent Number
8908796
CPC
H04J 11/0023(20130101), H04L 27/2671(20130101), H04L 25/08(20130101), H04L 27/2688(20130101)
Abstract
An optimum time domain windowing scheme for orthogonal frequency-division multiplexing (OFDM)-based waveforms in the sense of spectral concentration is proposed. Instead of evenly suppressing the sidelobes along the frequency, the sidelobe power is concentrated within a guard band while maximally suppressing the power for a desired frequency range. This is achieved by employing optimum finite duration pulses, prolate spheroidal wave functions (PSWF), to shape the OFDM transmit pulse. Also with per-subcarrier windowing scheme, the effect of inner subcarriers on sidelobes is diminished by utilizing the concentration bandwidth versus out-of-band power trade-off in PSWF and the multicarrier nature of the OFDM.
Application Number
14/276,629
Recommended Citation
Guvenkaya, Ertugrul and Arslan, Huseyin, "Orthogonal frequency division multiplexing (OFDM) transmitter and receiver windowing for adjacent channel interference (ACI) suppression and rejection" (2014). USF Patents. 178.
https://digitalcommons.usf.edu/usf_patents/178
Assignees
University of South Florida
Filing Date
05/13/2014
Primary/U.S. Class
375/296
