Receiver and method of recovering data from radio signals

Details Receiver and method of recovering data from radio signals Receiver and method of recovering data from radio signals

2005-09-20

2005-09-20

Tse, Young T. (Department: 2637)

Pulse or digital communications

Spread spectrum

Direct sequence

C455S134000

Reexamination Certificate

active

06947473

ABSTRACT:
A receiver recovers data for at least one of a plurality of users from radio signals generated by the plurality of users. The receiver includes data detectors, each of which is associated with one of a plurality of temporal displacements in communications paths through which the radio signals pass. Each of the data detectors estimates a user data symbol for one of the plurality of users from at least one of the radio signals. The receiver also includes a signal strength estimator to estimate signal strengths of the radio signals, and a receiver controller to assign user codes and the temporal displacements to each the plurality of data detectors according to the signal strengths of the radio signals. The receiver controller assigns a first user code for a first user to a first number of data detectors and a second user code for a second user to a second number of data detectors. The first number of data detectors has different temporal displacements than the second number of data detectors.

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Fawer et al.,IEEE Transactions on Communications 43:1556-1565, 1995.

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