Method of handover and route diversity in mobile radio communica

Telephonic communications – Audio message storage – retrieval – or synthesis

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379 59, 455 332, 455 334, H04M 1100

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active

053176235

ABSTRACT:
A method of handover and route diversity in a mobile radio communication which is less time consuming and capable of improving the frequency spectrum utilization efficiency and securing the high quality of service regardless of the moving speed of the mobile station. In the method, a loop transmission line by which each base station is connected with neighboring base stations is provided; a handover information is transmitted through the loop transmission line, where the handover information is relayed by each base station from one of the neighboring base stations to another one of the neighboring base station; and the handover of a communication of a mobile station from one traffic channel of one base station to an idle traffic channel of another base station is carried out by using the handover information transmitted through the loop transmission line. The method can also be applied to a route diversity reception.

REFERENCES:
patent: 4112257 (1978-09-01), Frost
patent: 4686671 (1987-08-01), Brian et al.
patent: 4881271 (1989-11-01), Yamouchi et al.
IEEE Communications Magazine, vol. 27, No. 7, Jul. 1989, pp. 20-29, R. Steele, "The Cellular Environment of Lightweight Handheld Portables".
Review of the Electrical Communication Laboratories, vol. 25, Nos. 11-12, Nov.-Dec. 1977, pp. 1147-1156, S. Ito, et al., "800 MHz Band Land Mobile Telephone System-Overall View".
IEEE Communication Magazine, Mar. 1979, pp. 9-16, N. Ehrlich, "The Advanced Mobile Phone Service".
Microwave Mobile Communications, pp. 377-387, "Mobile Radio Systems".

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