Registration signal channel overloads occurring due to overly numerousautonomous registration messages initiated by the mobile radiotelephones are avertedby monitoring the number of autonomous registrations occurring or requested in aparticular local cellular system and responding in the event of an impending overloadby sending messages to specified mobile radiotelephones instructing them not toregister at this time. In one implementation disclosed herein the roamer mobileradiotelephones requesting registration within an area covered by a cellular systemfacing an impending overload are instructed, via an overhead message, not to register.Allowance of registration is not permitted until the overload condition is terminated.In another implementation the period between autonomous registrations is increaseduntil the overload is cleared.

Title
Controle de la surcharge en consignations automatiques dans les systemes de radiotelephonie cellulaire mobile
Autonomous registration overload control for cellular mobile radio systems
Publication Number
2043844
Application Date
June 4, 1991
Publication Date
August 1, 1995
Inventor
Cosentino Phyllis
Agent
KIRBY EADES GALE BAKER
Assignee
American Telephone And Telegraph Company
IPC
H04Q 07/38
H04B 07/26
H04M 15/00
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