Rake receiver architecture for an ultra-wideband (UWB) receiver

Details Rake receiver architecture for an ultra-wideband (UWB) receiver Rake receiver architecture for an ultra-wideband (UWB) receiver

2008-05-20

2008-05-20

Tran, Khai (Department: 2611)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S349000

Reexamination Certificate

active

10335803

ABSTRACT:
System and method for combining maximizing a received signal in a multipath environment. A preferred embodiment comprises a rake receiver (for example, rake receiver1100), created from switched capacitors, with N fingers. Each of the fingers is coupled to a signal input for a period of time to accumulate a charge on a storing capacitor (for example, storing capacitor1115). The charges stored on the storing capacitors can then be read-out to produce a value. The rake receiver can implement either equal ratio combining or maximum gain combining to further improve received signal strength.

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