Method, apparatus, and system for user-multiplexing in multiple access systems with retransmission
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United States of America Patent
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Feb 20, 2007
Issued Date -
N/A
app pub date -
Apr 29, 2003
filing date -
Apr 29, 2003
priority date (Note) -
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Abstract
According to one aspect of the invention, a method is provided in which a group of users in a system that employs a retransmission mechanism such as Automatic Repeat Request (ARQ) is divided into multiple sub-groups of users. Each user is assigned a number of channels for transmission of information. The number of channels assigned to each user is determined based, at least in part, on the number of the sub-groups and a number of channels available in the system. Transmission intervals are alternated among the multiple sub-groups such that only one of the sub-groups of users is allowed to transmit information during any transmission interval. An idle interval during which a particular user in the first group does not transmit information is used as a waiting period for acknowledgement of a previous transmission by the particular user.
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