Line quality characteristic evaluation system

Details Line quality characteristic evaluation system Line quality characteristic evaluation system

2007-02-13

2007-02-13

Feild, Joseph (Department: 2617)

Telecommunications

Transmitter and receiver at separate stations

Distortion, noise, or other interference prevention,...

C455S067130, C370S278000

Reexamination Certificate

active

10643078

ABSTRACT:
A line quality characteristic evaluation system for estimating a line quality characteristic under an interference environment including nonlinear interference for a wireless communication system including at least one interfering wireless line, including a line quality estimating unit estimating the line quality of a wireless communication line under a nonlinear interference wireless line in an area in which wireless communication lines and interfering wireless lines are present together based on nonlinear distortion included by all wireless lines and expressed by an intercept point input level (IIP), a reception equivalent band limitation expressed by attenuation of the intercept point input level (IIP), reception side thermal noise of the wireless communication lines, and leakage power from other interfering wireless lines leaking into the reception equivalent band.

REFERENCES:
patent: 6292519 (2001-09-01), Popovic
patent: 6646449 (2003-11-01), Seppinen et al.
patent: 6885694 (2005-04-01), He et al.
patent: 2005/0032472 (2005-02-01), Jiang et al.

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