Method and apparatus for mobile emitter location

Communications: directive radio wave systems and devices (e.g. – Directive – Position indicating

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455456, G01S 302

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active

059736437

ABSTRACT:
A location system for identifying locations of emitters in a cellular telephone service area. Searching identifies active emitters in the service area to find the coarse areas in which active emitters are located, using selection criteria to designate one or more of the active emitters as selected emitters. Emitter signals are measured with a plurality of sensors, each sensor at a different location. Groups of the sensors are tasked, one group of tasked sensors for each corresponding selected emitter. Each tasked sensor takes a measurement on an emitter signal transmitted by the corresponding selected emitter. The measurements are processed to determine the location of each selected emitter based on the measurements from the group of tasked sensors.

REFERENCES:
patent: 3663762 (1972-05-01), Joel, Jr.
patent: 3680121 (1972-07-01), Anderson et al.
patent: 4297701 (1981-10-01), Henriques
patent: 4433335 (1984-02-01), Wind
patent: 4596988 (1986-06-01), Wanka
patent: 4604717 (1986-08-01), Kaplan
patent: 4636795 (1987-01-01), Dano
patent: 4638321 (1987-01-01), Drogin
patent: 4639733 (1987-01-01), King et al.
patent: 4651156 (1987-03-01), Martinez
patent: 4651157 (1987-03-01), Gray et al.
patent: 4728959 (1988-03-01), Maloney et al.
patent: 4736460 (1988-04-01), Rilling
patent: 4740792 (1988-04-01), Sagey et al.
patent: 4742357 (1988-05-01), Rackley
patent: 4752969 (1988-06-01), Rilling
patent: 4797679 (1989-01-01), Cusdin et al.
patent: 4797950 (1989-01-01), Rilling
patent: 4870422 (1989-09-01), Counselman, III
patent: 4888593 (1989-12-01), Friedman et al.
patent: 4891650 (1990-01-01), Sheffer
patent: 4975741 (1990-12-01), Baghdady
patent: 5008679 (1991-04-01), Effland et al.
patent: 5126748 (1992-06-01), Ames et al.
patent: 5153902 (1992-10-01), Buhl et al.
patent: 5166694 (1992-11-01), Russell et al.
patent: 5208756 (1993-05-01), Song
patent: 5293642 (1994-03-01), Lo
patent: 5317323 (1994-05-01), Kennedy et al.
patent: 5327144 (1994-07-01), Stilp et al.
patent: 5365516 (1994-11-01), Jandrell
patent: 5388147 (1995-02-01), Grimes
patent: 5390339 (1995-02-01), Bruckert et al.
patent: 5398190 (1995-03-01), Wortham
patent: 5404376 (1995-04-01), Dent
patent: 5428546 (1995-06-01), Shah et al.
patent: 5469409 (1995-11-01), Anderson et al.
patent: 5479482 (1995-12-01), Grimes
patent: 5485163 (1996-01-01), Singer et al.
patent: 5506864 (1996-04-01), Schilling
patent: 5512908 (1996-04-01), Herrick
patent: 5515419 (1996-05-01), Sheffer
patent: 5519621 (1996-05-01), Wortham
patent: 5519760 (1996-05-01), Borkowski et al.
patent: 5534876 (1996-07-01), Erickson et al.
patent: 5548816 (1996-08-01), De Vaney
patent: 5555286 (1996-09-01), Tendler
patent: 5570412 (1996-10-01), LeBlanc
patent: 5583517 (1996-12-01), Yokev et al.
patent: 5592180 (1997-01-01), Yokev et al.
patent: 5600706 (1997-02-01), Dunn et al.
patent: 5608410 (1997-03-01), Stilp et al.
patent: 5719584 (1998-02-01), Otto
patent: 5736964 (1998-04-01), Ghosh et al.
patent: 5809424 (1998-09-01), Eizenhoefer
Kuykendall et al., "Cellular/PCS Systems Get In SYNC With GPS," Wireless Systems Design, 2 pgs., Feb. 1998.
Zablotney et al., "An Accurate Search and Rescue Location System," Proceedings of the 47th Annual meeting on Navigation and Exploration, 459-467, Jun. 1991.
"New Processing Techniques Based on the Constant Modulus Adaptive Algorithm," John R. Treichler and Michael G. Larimore, IEEE Transactions on Acoustics, Speech and Signal Processing, vol. ASSP-33, No. 2, pp. 420-431, Apr. 1985.
"A New Approach to Multipath Correction of Constant Modulus Signals," John R. Treichler and Brian G. Agee, IEEE Transactions on Acoustics, Speech and Signal Processing, vol. ASSP-31, pp. 459-472, Apr. 1983.
"Am Implementation of a CMA Adaptive Array for High Speed GMSK Transmission in Mobile Communications," Takeo Ohgane, Takanori Shimura, Naoto Matsuzawa and Hideichi Sasaoka, IEEE Transactions on Vehicular Technology, vol. 42, No. 3, pp. 282-288, Aug. 1993.
"The Complex LMS Algorithm," Bernard Widrow, John McCool and Michael Ball, Proceedings Letters, vol. 63, pp. 719-720, Apr. 975.
"Multiple Emitter Location and Signal Parameter Estimation," Ralph Schmidt, IEEE Transactions on Antennas and Propagation, vol. AP-34, No. 3, pp. 276-280, Mar. 1986.

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