Receiver techniques for wireless communication
First Claim
1. A method of communicating using a plurality of equalizers, comprising:
- training at least a first one of the plurality of equalizers during a current packet interval for adapting an equalizer technique to correspond to an expected signal; and
processing a received signal using a second one of the plurality of equalizers during the current packet interval, the first one of the plurality of equalizers is not used for processing the received signal during the current packet interval.
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Abstract
A receiver device for use in a wireless communication system (20) includes a rake receiver (32) and an equalizer receiver (34). A controller (36) selects one of the rake receiver (32) or the equalizer receiver (34) for processing a received signal. In some situations, the rake receiver (32) will provide better performance. In other situations, the equalizer receiver (34) will provide better performance. One embodiment includes a plurality of equalizers (34A, 34B). One of the equalizers processes a data packet from a received signal while another one of the equalizers trains for processing a signal from a subsequent scheduled user. Another example embodiment includes controlling an equalizer length based on a delay span or another selected channel metric.
41 Citations
16 Claims
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1. A method of communicating using a plurality of equalizers, comprising:
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training at least a first one of the plurality of equalizers during a current packet interval for adapting an equalizer technique to correspond to an expected signal; and processing a received signal using a second one of the plurality of equalizers during the current packet interval, the first one of the plurality of equalizers is not used for processing the received signal during the current packet interval. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of communicating, comprising:
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processing a received signal using a first one of a plurality of equalizers; training a second one of the plurality of equalizers during a time when the first one of the plurality of equalizers is processing the received signal, the first one of the equalizers being the only one of the two equalizers that processes the received signal; processing a subsequently received signal using the second one of the equalizers; training the first one of the equalizers while the second one of the equalizers processes the subsequently received signal, the second one of the equalizers being the only one of the two equalizers used for processing the subsequently received signal. - View Dependent Claims (16)
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Specification