Alcatel Lucent

Alcatel-Lucent USA Inc.

Reza Mardani

Francis Dominique

Laurence Eugene Mailaender

Francis Joseph Mullany

Gurudutt Hosangadi

Patrice Saintot

In one embodiment, an apparatus for channel estimation includes a first receiver configured to obtain a first channel estimate associated with a communication channel between the apparatus and a user equipment. The apparatus also includes a second receiver. The second receiver includes a channel estimation unit and a normal receiver processing unit. The channel estimation unit is configured to compute a second channel estimate of channel conditions associated with the communication channel. The normal receiver processing unit is configured to compute weights using the second channel estimation unit. The channel estimation unit is further configured to obtain a delay between the obtaining of the first channel estimate and the computing of the weights, and to compute the second channel estimate using the delay and the first channel estimate.

Method and apparatus for enhanced uplink general rake channel estimation

A receiver device for use in a wireless communication system () includes a rake receiver () and an equalizer receiver (). A controller () selects one of the rake receiver () or the equalizer receiver () for processing a received signal. In some situations, the rake receiver () will provide better performance. In other situations, the equalizer receiver () will provide better performance. One embodiment includes a plurality of equalizers (A,B). 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.

Receiver techniques for wireless communication

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Greensboro, NC, United States of America

Reza Mardani