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What is meant rake receiver

RAKE receivers are designed to collect energy in multipath channels. Each RAKE finger, the elementary receiver in RAKE reception, is associated with one of those paths. The outputs of those fingers are combined together to detect the transmitted symbols, thus obtaining a much better signal to noise ratio.

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A receiver, includes a plurality of antennas to receive radio signals from a plurality of transmission paths, and a plurality of sets of RAKE fingers to generate first signals. Each set of RAKE fingers is coupled to a respective one of the plurality of antennas, and a weighting factor generator generates weighting factors for weighting the first signals, wherein the weighting factor for one of.Spread spectrum generally makes use of a sequential noise-like signal structure to spread the normally narrowband information signal over a relatively wideband (radio) band of frequencies. The receiver correlates the received signals to retrieve the original information signal. Originally there were two motivations: either to resist enemy efforts to jam the communications (anti-jam, or AJ), or.

What is meant rake receiver

But in the terms of computer network, it is for the purpose of collecting signals from multiple paths arriving at the receiver end and used specially in CDMA cellular systems. A Rake Receiver is a radio receiver which is designed for the purpose t.

What is meant rake receiver

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What is meant rake receiver

Some CDMA devices use a rake receiver, which exploits multipath delay components to improve the performance of the system. A rake receiver combines the information from several correlators, each one tuned to a different path delay, producing a stronger version of the signal than a simple receiver with a single correlation tuned to the path delay of the strongest signal. Frequency reuse is the.

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What is meant rake receiver

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What is meant rake receiver

Compared to the conventional RAKE receiver, this generalized RAKE receiver may have more fingers and different combining weights. The weights are derived from a maximum likelihood formulation.

What is meant rake receiver

A method of operating a Rake receiver circuit includes determining a first property of a first signal received over a dedicated channel and over a first transmission path. The method further includes determining a delay profile of a second signal and determining, on the basis of the delay profile and the first property, if the first transmission path is to be assigned to a Rake finger of the.

What is meant rake receiver

The conventional RAKE receiver is limited in suppressing IPI and MAI. Chip equalization is an efficient tool to restore the orthogonality of the user signals. So we focus on a new chip.

What is meant rake receiver

A communication receiver includes first and second antenna elements for receiving first and second signals respectively representative of first and second symbols encoded with a first or second channel coefficient and first and second delay lines for delaying the first and second signals respectively. A master rake module up-samples a pilot channel sequence at chip rate to mix it with the.

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What is meant rake receiver

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What is meant rake receiver

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What is meant rake receiver

In the RAKE receiver illustrated in Figure each correlator is synchronized by inserting the right delay into the received signal. (a) Show that, in theory, the same result is obtained by inserting the right delay into the reference signal (i.e., pseudo-noise sequence). (b) In practice, the preferred method is to use the procedure described in Figure what reason can you suggest for this.