Rake Receiver
First Claim
Patent Images
1. A femtocell base station, comprising:
- a rake receiver for use in receiving a multipath signal, the rake receiver comprising a plurality of fingers, and wherein the rake receiver is configured to assign multiple fingers to a single path in the multipath signal.
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Accused Products
Abstract
There is provided a rake receiver for a femtocell base station, the rake receiver being for use in receiving a multipath signal, the rake receiver comprising a plurality of fingers, and wherein the rake receiver is adapted to assign multiple fingers to the same path in the multipath signal.
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Citations
15 Claims
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1. A femtocell base station, comprising:
a rake receiver for use in receiving a multipath signal, the rake receiver comprising a plurality of fingers, and wherein the rake receiver is configured to assign multiple fingers to a single path in the multipath signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A user equipment comprising:
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a rake receiver for use in receiving a multipath signal, the rake receiver comprising a plurality of fingers, and wherein the rake receiver is configured to; assign multiple fingers to a single path in the multipath signal when the user equipment is communicating with a femtocell base station; and assign a single finger to each path in the multipath signal when the user equipment is communicating with a microcell or macrocell base station. - View Dependent Claims (10, 11, 12)
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13. A femtocell base station having a rake receiver, comprising:
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a coarse timing searcher configured to configured to process a multipath signal to determine course timing accuracy thereby detecting a peak which coarsely identifies the single path in the multipath signal; a finger control/selection block, responsive to course timing searcher detecting the peak which coarsely identifies the single path, configured to assign a first finger to the single path and a second finger to the single path such that multiple fingers are applied to the single path, wherein the course timing searcher has sampling error as a result of course tracking; a plurality of fingers as part of the rake receiver, the rake receiver configured with at least the first finger and the second finger, both of which are assigned to the single path in the multipath signal to collect signal energy from the coarsely identified single path such that assigning more than one finger to the single path compensates for error from the course timing searcher. - View Dependent Claims (14, 15)
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Specification