Title:
METHOD FOR PROVIDING ACCESS FOR MOBILE RADIO SYSTEM
Document Type and Number:
Japanese Patent JPH05276110
Kind Code:
A
Abstract:
PURPOSE: To obtain an access method having low sensitivity with respect to disturbances by eliminating the sum of an inspection after a 1st access message part. CONSTITUTION: A mobile station receives the down link of a control channel (41) and then receives free time slot information on an up link from a base station (42). The mobile station transmits a 1st access message part (43), the base station calculates the single sum of a circulate redundant inspection and transmits onto the down link, together with a check message to notify the mobile station that it has been properly received (44). The mobile station checks whether it matches with it own access message part (45). In the case of a considered mobile station (Yes), the connection to the base station is assigned, and the next access message part of its own is transmitted (46 is Yes). Then, access messages are transmitted (47), unit the access process is completed (46 is No) and until the check message not having the sum of an inspection is received (48).
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Inventors:
Rolf Hanson
Rutger Anderson
Rutger Anderson
Application Number:
JP32433492A
Publication Date:
October 22, 1993
Filing Date:
December 03, 1992
Export Citation:
Assignee:
Telefon Acty Boraget Elm Ericsson
International Classes:
H04W76/02; H04B7/26; H04W72/04; H04W72/08; H04W84/08; (IPC1-7): H04B7/26; H04B7/26
Attorney, Agent or Firm:
Akira Asamura (3 outside)