Method and apparatus for common packet channel access in mobile satellite communication system
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United States of America Patent
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Apr 20, 2010
Issued Date -
N/A
app pub date -
Oct 21, 2002
filing date -
Oct 20, 2001
priority date (Note) -
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Abstract
Provided is a method and apparatus for common packet channel access to transmit data packet from a mobile terminal to a satellite access network in a mobile satellite communication system. The method and apparatus of this invention reduces transmission delay time, enhances the probability of successful access, and controls the currently used common packet channel by using a common control channel broadcast by the satellite access network. The method includes the steps of: receiving an access preamble including an access signature code and a collision-detection preamble including a collision-detection signature code, which are transmitted together from a plurality of mobile terminals, and transmitting an acknowledgement to the access preamble and collision-detection preamble to mobile terminals through a preamble acknowledgement channel.
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