Method for optimizing spectral re-use

Details Method for optimizing spectral re-use Method for optimizing spectral re-use

1998-08-27

2000-07-04

Tsang, Fan

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455422, 455446, 455448, 455449, 455 63, 455296, H04Q 736

Patent

active

060850949

ABSTRACT:
A method for optimizing spectral re-use between an interferer digital phase modulated cellular system and a desirable analog phase modulated cellular system is disclosed wherein an optimal guard band to use with adjacent channel interference is determined, or an optimal guard zone to use with co-channel interference is determined. This is achieved by determining the effect of interference due to a digital phase modulated signal at the baseband of a desired analog phase modulated signal. By the use of this invention, the capacity of a desired system and/or the quality of a service provided by a desired system may be enhanced.

REFERENCES:
patent: 5870385 (1997-02-01), Ahmadi et al.
patent: 5946625 (1996-10-01), Hassan et al.
patent: 5966657 (1997-07-01), Sporre
patent: 5970411 (1997-08-01), Faruque
patent: 5974323 (1996-09-01), Doner
patent: 5974324 (1997-02-01), Henson
Lee, William C. Y., "Elements of Cellular Mobile Radio Systems," IEEE Transactions on Vehicular Technology, vol. 35, No. 2, pp. 48-56 (May 1986) .

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