MÉTODO E APARELHO PARA DESIGNAR CANAL DE PACOTE COMUM

MÉTODO E APARELHO PARA DESIGNAR CANAL DE PACOTE COMUM

A method and device for initiating uplink data packet communication from a mobile device to a base station on a common packet channel is disclosed. The communication is initiated when the mobile device reads broadcast status of common packet channels, after which the mobile device sends an access pr...

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Hauptverfasser: ANTTI TOSKALA, MIKA RAITOLA
Format: Patent
Sprache:por
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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creator ANTTI TOSKALA
MIKA RAITOLA
description A method and device for initiating uplink data packet communication from a mobile device to a base station on a common packet channel is disclosed. The communication is initiated when the mobile device reads broadcast status of common packet channels, after which the mobile device sends an access preamble to the base station that is acknowledged by the base station, and then the mobile device sends a collision preamble which the base station answers with a matching collision response. If the base station's response to the collision preamble also includes a channel allocation message, then the base station begins uplink data packet communication on an allocated channel provided that the allocated channel previously had free broadcast status. However, if the base station's response to the collision preamble includes a channel allocation message designating channel(s) not previously having free broadcast status, then the mobile device's access attempt is aborted.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
title MÉTODO E APARELHO PARA DESIGNAR CANAL DE PACOTE COMUM
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