Constructive method of peak power reduction in multicarrier...

Details Constructive method of peak power reduction in multicarrier... Constructive method of peak power reduction in multicarrier...

2006-07-20

2010-10-26

Tse, Young T. (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

Reexamination Certificate

active

07822129

ABSTRACT:
A plurality of bits is transmitted by partitioning the bits among n subsets; encoding each subset as a respective symbol; selecting a balancing vector, in accordance with the symbols, from a set of size 2pof codewords of length n in {−1,1}; multiplying each symbol by a corresponding element of the balancing vector; and transmitting the symbols substantially simultaneously. Preferably, the set of codewords has a strength of at most about 2 ln └n┘. The balancing vector is selected either deterministically or probabilistically.

REFERENCES:
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patent: 2003/0026201 (2003-02-01), Arnesen
patent: 2004/0141548 (2004-07-01), Shattil
Sharif and Hassibi, “Existence of codes with constant PMEPR and related design,”, IEEE Transactions on Signal Processing vol. 52 No. 10 pp. 2836-2846 (Oct. 2004).
G. Wunder and H. Boche, “Peak value estimation of bandlimited signals from their samples, noise enhancement, and a local characterization of the neighbourhood of an extremum”, IEEE Trans. Signal Processing, vol. 51, 3, pp. 771-780 (2003).
Joel Spencer; “Six Standard Deviation Suffice”, Transactions of the American Mathematical Society, vol. 289. No. 2 (Jun. 1985).

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