| Patent application number | Description | Published |
|---|
| 20090190485 | Method of Closed Loop Power Control Adjusted by Self-Interference - A method and apparatus for controlling the transmit power of a mobile device in a mobile communication network takes the level of self-interference into account to perform inner-loop power control. For normal inner-loop power control, a signal quality estimate is compared to a signal quality target and power control commands are generated based on the comparison. When self-interference is the dominant impairment in the received signal, a “fast break” is introduced to change inner-loop power control command generation. | 07-30-2009 |
| 20090291642 | Systems and Methods for SIR Estimation for Power Control - Systems and methods according to these exemplary embodiments provide for methods and systems for improving the signal-to-interference-plus-noise ratio (SIR) estimation between a mobile communications device and a base station (BS) for improving power control. A first SIR estimate is generated based on signals received on at least a first channel and a second SIR estimate is generated based on signals received on a second channel. A correction factor for the second SIR estimate is generated based on at least the first SIR estimate, and the second SIR estimate is adjusted with the correction factor. The first SIR estimate can, optionally, be generated using channel coefficients generated from signals received on both the first channel and the second channel. | 11-26-2009 |
| 20100002813 | Soft Scaling Method and Apparatus - A received signal of interest is processed by determining timing of interference spikes in the received signal of interest. Receivers can determine when certain types of interference spikes are expected to occur, e.g., based on when different users are scheduled to transmit data during an overlapping portion of the same transmission time interval. The interference timing information is used by the receiver to soft scale signal values recovered from the received signal of interest that coincide with the interference spikes separately from remaining ones of the signal values. This way, fast changing interference power can be accurately tracked during periods of known interference spikes while also accurately tracking slower changing interference power during other periods. | 01-07-2010 |
| 20100020854 | Method and Apparatus for Communication Signal Processing Based on Mixed Parametric and Non-Parametric Estimation of Impairment Correlations - According to the teachings presented herein, a method and apparatus for communication signal processing advantageously use a mix of parametric and non-parametric correlation estimation in communication signal processing. Non-parametric estimation generates an “overall” correlation estimate for a received communication signal, and parametric estimation generates a “component” correlation estimate. The component correlation estimate is removed from the overall correlation estimate to form a partial correlation estimate that is used to process the received communication signal at least initially, such as in a pre-equalization stage. The overall and component correlation estimates are generated as impairment and/or data correlation estimates. | 01-28-2010 |
| 20110105166 | Method and Arrangement in a Telecommunication System - In a method of radio link handling in a radio base station (RBS) in a telecommunication system, said radio base station (RBS) supporting a plurality of mobile user equipment (UE) and comprising a plurality of antenna arrangements each associated with a respective determined cell coverage area. Performing the steps of actively determining ( | 05-05-2011 |
| Patent application number | Description | Published |
|---|
| 20090135973 | Filter and Method for Suppressing Effects of Adjacent-Channel Interference - A filter device and method for suppressing effects of Adjacent-Channel Interference of a received signal in a Frequency-Division-Multiple-Access system by filtering a baseband signal of the received signal. The filter device comprises an interference filter, which is a complex digital Single-Input-Multiple-Output, SIMO, filter that is adapted to simultaneously generate a first signal filtered at an upper-frequency-band and a second signal filtered at a lower-frequency-band, wherein the first signal is separate from the second signal. The filter device also comprises a selector adapted to select one of the signals as the output from the filter device. | 05-28-2009 |
| 20100093296 | DOWNCONVERSION STRATEGIES FOR REDUCING INTERFERENCE IN WANTED SIGNALS - A receiver for isolating a wanted signal in a received signal, the receiver comprising a downconverter for downconverting the received signal in frequency to produce a downconverted signal, a filter with a passband intended for isolating that part of the spectrum of the downconverted signal that contains the wanted signal and a controller that seeks to avoid or reduce the effect of passband intrusion in the form of a negative frequency representation of an interferer, appearing in the spectrum of the received signal, upconverted in frequency to the passband. The invention consists in corresponding methods also. | 04-15-2010 |
| 20100284496 | Method and apparatus for dc offset compensation in a digital communication system - A method of compensating for dc offset of a received signal transmitted over a channel having a plurality of paths, the received signal comprising a modulated data signal and a modulated known training sequence signal, the method comprising the steps of: constructing ( | 11-11-2010 |
| 20110014887 | INTERFERENCE CANCELLATION - A receiver ( | 01-20-2011 |
| 20110070858 | IMAGE REJECTION - A receiver ( | 03-24-2011 |
