Telecommunications – Transmitter and receiver at separate stations – Distortion – noise – or other interference prevention,...
Reexamination Certificate
2006-07-25
2006-07-25
Milord, Marceau (Department: 2682)
Telecommunications
Transmitter and receiver at separate stations
Distortion, noise, or other interference prevention,...
C455S506000, C455S561000, C455S562100, C455S273000, C375S142000, C375S150000, C375S147000, C375S152000, C370S335000, C370S342000
Reexamination Certificate
active
07082286
ABSTRACT:
A Node-B/base station has a path searcher and at least one antenna for receiving signals from users. The path searcher comprises a set of correlators. Each correlator correlates an inputted user code with an inputted antenna output of the at least one antenna. An antenna controller selectively couples any output of the at least one antenna to an input of each correlator of the set of correlators. A code phase controller selects a user code for input into the set of correlators. Each delay of a series of delays delays the selected user code by a predetermined amount and each correlator of the set of correlators receives a different code phase delay of the selected user code. A sorter and path selector sorts the output energy levels of each correlator of the sets of correlators and produces a path profile for a user based on the sorted output energy levels.
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Bass David S.
Berghuis Timothy
Bohnhoff Peter
Ferrante Steven
Hackett William C.
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