Abstract: A method of controlling a mobile communications device receiver, which includes: activating the receiver, receiving a voice signal divided into a plurality of voice time intervals, detecting a silent voice time interval from content of the received voice signal, and deactivating the receiver during at least a portion of the silent voice time interval. In addition, the method may also include: receiving a signaling signal divided into a plurality of signaling time intervals, detecting an empty signaling time interval from the plurality of signaling time intervals, and deactivating the receiver during at least a portion of the empty signaling time interval.

Abstract: A method (200) for mitigating interference includes: receiving (201) a first signal (y1) comprising a first plurality of multipath transmissions from at least one radio cell at a first antenna port (A) and a second signal (y2) comprising a second plurality of multipath transmissions from the at least one radio cell at a second antenna port (B); generating (202) a first spatial component (h1A) of a first channel coefficient (h1) based on the first signal (y1) and a second spatial component (h1B) of the first channel coefficient (h1) based on the second signal (y2); generating (203) a covariance measure (Ry) based on the first signal (y1) and the second signal (y2); and generating (204) a first spatial component (w1A) of a first weight (w1) for interference mitigation based on the covariance measure (Ry), the first and second spatial components (h1A, h1B) of the first channel coefficient (h1) and a scalar correction value (C).

Abstract: A communication terminal is described with a controller configured to receive, from applications, respective requests for an exchange of application layer data over a communication network associated with the respective application, to select a first application, to control a communication circuit to perform an exchange according to the request received from the first application, to initiate, for a second application, a buffering of application layer data requested to be exchanged according to the request received from the second application, to control the communication circuit to release the first network layer communication connection based on a duration of the buffering and to establish a second network layer communication connection to a communication network associated with the second application and perform an exchange according to the request received from the second application over the second network layer communication connection after release of the first network layer communication connection.

Abstract: A communication terminal is described with a controller configured to receive, from applications, respective requests for an exchange of application layer data over a communication network associated with the respective application, to select a first application, to control a communication circuit to perform an exchange according to the request received from the first application, to initiate, for a second application, a buffering of application layer data requested to be exchanged according to the request received from the second application, to control the communication circuit to release the first network layer communication connection based on a duration of the buffering and to establish a second network layer communication connection to a communication network associated with the second application and perform an exchange according to the request received from the second application over the second network layer communication connection after release of the first network layer communication connection.

Abstract: A method (200) of bias cancellation for a radio channel sequence includes: receiving (201) a radio signal, the radio signal comprising a radio channel sequence coded by a first signature, the first signature belonging to a set of orthogonal signatures; decoding (202) the radio channel sequence based on the first signature to generate a decoded radio channel sequence; decoding (203) the radio channel sequence based on a second signature, wherein the second signature is orthogonal to the signatures of the set of orthogonal signatures, to generate a bias of the radio channel sequence; and canceling (204) the bias of the radio channel sequence from the decoded radio channel sequence.

Abstract: A method of controlling a mobile communications device receiver, which includes: activating the receiver, receiving a voice signal divided into a plurality of voice time intervals, detecting a silent voice time interval from content of the received voice signal, and deactivating the receiver during at least a portion of the silent voice time interval. In addition, the method may also include: receiving a signaling signal divided into a plurality of signaling time intervals, detecting an empty signaling time interval from the plurality of signaling time intervals, and deactivating the receiver during at least a portion of the empty signaling time interval.

Abstract: A communication terminal is described comprising a radio frequency receiver configured to receive a signal comprising signal components transmitted via different communication channels, each modulated based on a common modulation symbol shared by the plurality of communication channels, an equalizer for each communication channel configured to equalize the signal received based on respective one or more channel parameters, a demodulator for each communication channel configured to calculate probability information information bits to be equal to a particular binary value, a combiner configured to combine the probability information calculated for the plurality of communication channels and a decoder configured to generate reconstructed useful data based on the combined probability information.

Abstract: A method includes receiving a signal representing a two-dimensional time-frequency signal pattern, determining a first covariance measure based on a predetermined first signal part of the signal pattern, determining a second covariance measure based on a predetermined second signal part of the signal pattern, and processing the signal based on the first covariance measure and the second covariance measure.

Abstract: A method (200) of bias cancellation for a radio channel sequence includes: receiving (201) a radio signal, the radio signal comprising a radio channel sequence coded by a first signature, the first signature belonging to a set of orthogonal signatures; decoding (202) the radio channel sequence based on the first signature to generate a decoded radio channel sequence; decoding (203) the radio channel sequence based on a second signature, wherein the second signature is orthogonal to the signatures of the set of orthogonal signatures, to generate a bias of the radio channel sequence; and canceling (204) the bias of the radio channel sequence from the decoded radio channel sequence.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A method includes receiving a signal representing a two-dimensional time-frequency signal pattern, determining a first covariance measure based on a predetermined first signal part of the signal pattern, determining a second covariance measure based on a predetermined second signal part of the signal pattern, and processing the signal based on the first covariance measure and the second covariance measure.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.