CHANGES TO ACCESS PROCEDURE FOR ASC 0 FOR UMTS

According to one aspect, a method that includes some of the teachings of the present subject technology reduces congestion in a communications network. The method includes, inter alia, letting a persistence value be a function of N, even when ASC=0, and also a function of a constant the emergency se...

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Bibliographic Details
Main Author GRILLI, FRANCESCO
Format Patent
LanguageEnglish
French
German
Published 11.01.2012
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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Summary:According to one aspect, a method that includes some of the teachings of the present subject technology reduces congestion in a communications network. The method includes, inter alia, letting a persistence value be a function of N, even when ASC=0, and also a function of a constant the emergency services access parameter W, such that the persistence value P0(N) ranges between P1(N) and 1 when the emergency services access parameter W ranges from a first value (e.g. 0) to a second value (e.g. 1), where P(N)=2-(N-1) and where N is transmitted in a system information message. A comparator allows a user to access the communications network only if a random/pseudorandom number is less than the persistence value. Other aspects, such as a computer program product, also reduce congestion in a communications network.
Bibliography:Application Number: EP20100708850