Patent application number | Description | Published |
20110294451 | RECEIVER - A receiver includes an input to receive data of a pilot channel having a carrier frequency associated therewith, and a first unit to obtain a quantity, wherein the quantity depends on a frequency broadening of the received data and a frequency shift of the received data with respect to the carrier frequency. The receiver also includes a second unit to adjust the bandwidth of a channel estimation unit, wherein the adjustment depends on the quantity. | 12-01-2011 |
20120147995 | Receiver - A receiver includes a plurality of receive antennas configured to receive radio signals from a plurality of transmit antennas, and a plurality of sets of RAKE fingers configured to generate first signals, wherein each set of RAKE fingers is coupled to a respective one of the plurality of receive antennas. The receiver further includes a weighting factor generator configured to generate weighting factors for weighting the first signals, wherein at least one of the weighting factors is generated by using first signals that are generated by at least two of the plurality of sets of RAKE fingers and received from at least two of the plurality of transmit antennas. | 06-14-2012 |
20120149424 | User Equipment and Method for Performing Downlink and/or Uplink Power Control - A user equipment includes a plurality of antennas to receive downlink signals from a base station, a plurality of receiver circuits each coupled to a respective one of the plurality of antennas to process the received downlink signals, an SIR estimation unit to estimate a quality of the received downlink signals, a power loop controller to generate transmit power control commands based on the estimated quality of the received downlink signals, the transmit power control commands being directed to the base station to adjust a power of the downlink signals and a diversity controller to selectively activate and deactivate one or more of the receiver circuits depending on the estimated quality of the received downlink signals. | 06-14-2012 |
20130128929 | Rake Receiver Circuit and Method for Operating a Rake Receiver Circuit - 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 Rake receiver circuit. | 05-23-2013 |
20130225106 | Radio Receiver Apparatus of a Cellular Radio Network - A radio receiver apparatus of a cellular network includes a channel estimator configured to calculate channel estimates on the basis of a common pilot channel. The apparatus further includes a weight calculation unit configured to calculate a weighting factor on the basis of a signal power of the common pilot channel and control data depending on a transmit signal power of a dedicated data channel. The control data is signaled by the cellular network to the radio receiver apparatus. The radio receiver apparatus further comprises a combiner that combines the signals from multiple cells by using the channel estimates and the weighting factor. | 08-29-2013 |
20130308686 | Transmission and Detection in Multiple-Antenna Transmission Systems - An apparatus includes a transmit diversity encoder configured to use a block code of a length greater than one for encoding at least two consecutive symbols. A first symbol of the at least two consecutive symbols is dedicated to a first user and the second symbol of the at least two consecutive symbols is dedicated to a second user. | 11-21-2013 |
20130315170 | USER EQUIPMENT AND METHOD FOR PERFORMING DOWNLINK AND/OR UPLINK POWER CONTROL - A user equipment includes a plurality of antennas to receive downlink signals from a base station, a plurality of receiver circuits each coupled to a respective one of the plurality of antennas to process the received downlink signals, an SIR estimation unit to estimate a quality of the received downlink signals, a power loop controller to generate transmit power control commands based on the estimated quality of the received downlink signals, the transmit power control commands being directed to the base station to adjust a power of the downlink signals and a diversity controller to selectively activate and deactivate one or more of the receiver circuits depending on the estimated quality of the received downlink signals. | 11-28-2013 |
20130343494 | Combining in Receive Diversity Systems - A receiver apparatus includes a first receiver having an input for receiving a first version of a signal received by a first receive antenna. The receiver apparatus further includes a second receiver having an input for receiving a second version of the same signal received by a second receive antenna. The first receiver includes a first constellation demapper for demapping constellation symbols generated in the first receiver into a first soft decision bitstream and the second receiver includes a second constellation demapper for demapping constellation symbols generated in the second receiver into a second soft decision bitstream. A combiner is configured to combine the first soft decision bitstream and the second soft decision bitstream to provide a combined soft decision bitstream. | 12-26-2013 |
20140140378 | RAKE RECEIVER WITH NOISE WHITENING - Described devices and techniques provide noise whitening in a communication device. The noise whitening is performed by a noise whitening unit that receives signals on a first path associated with a first antenna and signals on a second path associated with a second antenna. The received signals may include radio signals and channel coefficient signals. The noise whitening unit may perform noise whitening of the received signals in consideration of a covariance of the interference and noise associated with the received radio signals. | 05-22-2014 |