Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2011-08-30
2011-08-30
Ajibade Akonai, Olumide T (Department: 2617)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C455S450000, C455S451000, C455S452200, C455S453000, C455S509000, C370S209000, C370S329000, C370S341000, C370S342000, C370S203000, C370S330000, C370S441000, C375S130000, C375S133000, C375S140000, C375S141000, C375S149000
Reexamination Certificate
active
08009637
ABSTRACT:
Various embodiments are described which may serve to improve spreading channel code selection in wireless technologies that employ two-stage ranging. For example, some of the embodiments enable a number of spreading codes to be reused at each network node (111, 112), potentially increasing the number of codes available to each remote unit and thereby reducing the collision rate. Rather than simply selecting a spreading channel code randomly, remote units (101-103), in some embodiments, select a spreading channel code based on one or more considerations such as pilot signal strength, remote unit location, a remote unit mobility level, and a priority class associated with the remote unit. Depending on the embodiment, network nodes can partition the spreading codes into groups and then assign link bandwidth to remote units based on the group associated with the code selected by that remote unit.
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Harris John M.
Subramanian Vijay G.
Ajibade Akonai Olumide T
Bestor Daniel R.
Jacobs Jeffrey K.
Mancini Brian
Motorola Solutions, Inc.
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