Patent application number | Description | Published |
20090239585 | Method And Apparatus Relating To Channel Decoding - The present invention relates to channel decoding and provides ways and means for improved channel decoding of data frames. The frame has been channel encoded and transmitted to a receiver ( | 09-24-2009 |
20100027590 | MODIFIED SIR VALUES FOR FAST POWER CONTROL - The present invention relates to a receiver comprising a fast power control unit, said fast power control unit being arranged to continuously control a quality measure of a radio channel. The receiver is characterized in that the quality measure is a modified Signal to Interference plus noise ratio (SIR) in which the influence from self interference has been removed. The invention further relates to a method for continuously controlling a quality measure of a radio channel, wherein a modified Signal to Interference plus noise ratio (SIR) is continuously determined in which the influence from self interference has been removed. | 02-04-2010 |
20100124936 | Systems and Methods for Tracking Power Peaks of a Signal - In one aspect, the invention provides a method for tracking a mobile terminal. In some embodiments, this method includes the following steps: receiving a signal transmitted from the mobile terminal; searching a primary search area for a signal associated with the mobile terminal; searching a secondary search area for a signal associated with the mobile terminal, wherein the secondary search area is larger than the primary search area; determining the strength of a signal associated with the mobile terminal that was found by searching the secondary search area; and determining whether the primary search area should be modified based on the determined strength of the signal that was found by searching the secondary search area. | 05-20-2010 |
20110085491 | Extended Cell Range - A solution for extending the cell range and in particular for a solution for handling timing alignment is presented herein. The solution comprises determining a distance between user equipment and a radio access network node. User equipment located at a distance related to a pre defined timing advance value is scheduled to handle uplink communication so as to arrive at a later time slot for reducing the risk of conflicting with other transmissions towards the access node. | 04-14-2011 |
20110170514 | Methods and Arrangements in a Telecommunication System for Sending Feedback Data and User Data on a Combined Feedback and Data Channel - A method and an arrangement ( | 07-14-2011 |
20110222618 | Method and Apparatus for Efficient Soft Modulation for Gray-Mapped QAM Symbols - In one aspect, the present invention greatly simplifies soft modulation calculations, in part by exploiting certain properties of Gray-mapped QAM constellations used in modulating symbols of interest. In at least one embodiment, the simplified processing includes performing the soft modulation separately for the real and imaginary parts of each symbol of interest, by using the Gray mapping to decompose each of the real and imaginary parts into binary soft modulations for each bit, and then using a computationally-efficient table lookup to calculate the binary soft modulation. Here, the look-up table comprises pre-computed bit contributions to the complex soft symbol value to be formed for the symbol of interest. | 09-15-2011 |
20120063294 | Method for a Radio Base Station and a Radio Base Station in a Communication Network System for Assisting in or Obtaining Assistance in the UL Reception of Signals - In cellular radio systems it is a problem to provide service to UE (user equipment) on the cell border. In systems that apply a frequency re-use of one, and OFDM access technology, the uplink direction need be improved. One embodiment of this application relates to a radio base station that is equipped with one or more FFT processor/s in addition to the FFT-processor that is adapted for being adjusted to the timed aligned arrival of signals from UE served by the radio base station. The additional FFT processor/s is adapted for being adjusted to the arrival of one or more signals from UE that are served by other radio base station/s. The radio base station is further adapted to send Fourier processed signal information relating to the UE of the other radio base station/s and thereby assist the other radio base station in signal reception. The application also relates to a method for assisting another radio base station in signal reception, and to a method for receiving assistance from another radio base station in signal reception. | 03-15-2012 |
20120108194 | METHOD AND ARRANGEMENT FOR INTERFERENCE MITIGATION - In a method of mitigating interference for received signals in a communication system, receiving S | 05-03-2012 |
20120113938 | RANDOM ACCESS PROCEDURE UTILIZING CYCLIC SHIFT OF DEMODULATION REFERENCE SIGNAL - A method and apparatus for accessing a wireless communication system, and for processing random access attempts. A mobile communication device detects random-access information transmitted by a base station, transmits a random-access preamble to the base station according to the random-access information, and receives a random-access response from the base station. The random-access response includes at least an allocation of uplink resources to be used for the next step in the random access procedure. The mobile device also selects a reference signal sequence index from a pre-determined set of sequence indexes, and transmits a first message to the base station using the uplink resource allocation provided in the random-access response. The first message includes a device identifier and a first demodulation reference signal derived from a base reference sequence shifted according to the selected sequence index. | 05-10-2012 |
20120230218 | Method and Base Station for Detecting a HARQ-ACK Codeword - A method in a base station for detecting a HARQ-ACK codeword comprised in a signal received from a UE is provided. The base station knows HARQ-ACK codewords being possible to detect. The base station receives ( | 09-13-2012 |
20120243502 | Method and Arrangement for Improved Interference Rejection Combining - In a method of interference rejection combining (IRC) for mitigating interference in received signals in the frequency domain for a telecommunication system, selecting (S | 09-27-2012 |
20120254706 | Method And Apparatus Relating To Channel Decoding - The present invention relates to channel decoding and provides ways and means for improved channel decoding of data frames. The frame has been channel encoded and transmitted to a receiver. The frame includes a part with information that is unknown to the receiver and another part with information for which the receiver generates at least one data hypothesis predicting its information content. The receiver performs a hypothesis-based decoding of the received encoded frame, wherein the at least one data hypothesis is used to improve a probability of successful decoding. The invention may advantageously be used to improve decoding of frames containing short control messages with fill bits, e.g. acknowledgement messages. | 10-04-2012 |
20120257696 | GLITCH MITIGATION IN A RADIO RECEIVER - A basic idea is to determine (S | 10-11-2012 |
20130003880 | Estimation of Frequency Offset Between a Base Station and Mobile Terminal - A method and apparatus for frequency offset estimation exploits the differences in reference symbol timing for different channels to resolve ambiguities in the frequency offset estimation. Based on the initial frequency offset estimates, a hypothesis table is constructed providing hypothesized frequency offsets for each channel for a plurality of possible offset regions. An error metric for each offset region is calculated based on the difference of the hypothesized frequency offsets. The set of hypothesized frequency offsets that minimize the error metric is selected as the final frequency offset estimates. | 01-03-2013 |
20130065537 | METHOD AND SYSTEM FOR WIRELESS COMMUNICATION CHANNEL ESTIMATION - A method and system for selecting an algorithm for channel estimation in a wireless communication system are disclosed. According a parameter indicative of an accuracy of a channel estimation algorithm is determined. A selection between a first channel estimation algorithm and a second channel estimation algorithm is made based on the determined parameter. | 03-14-2013 |
20130121315 | Uplink Synchronization Processing - Uplink synchronization of user equipment, UE, ( | 05-16-2013 |
20130170590 | Receiver Node and A Method Therein for Compensating Frequency Offset - According to embodiments herein an ambiguity problem when compensating for frequency offset may be solved by compensating a received reference symbol according to two different frequency offset hypotheses; the estimated frequency offset and the a mirrored version of the same. Then by comparing the compensated reference symbol of the different frequency hypotheses with a target reference symbol, which is known at the receiver node | 07-04-2013 |
20130279559 | Method and Apparatus for Soft Symbol Processing in a Communication Receiver - In one aspect, the present invention improves Turbo equalization and/or soft interference cancellation processing in communication receivers by providing an efficient and accurate technique to compute the second moment of a received symbol, e.g., an interfering symbol, as a function of the expected bit values of only those bits in the symbol that are magnitude-controlling bits according to a defined modulation constellation. Advantageously, the expected bit values in at least one embodiment are computed using a LUT that maps bit LLRs to corresponding hyperbolic tangent function values. Further, the expected symbol value is computed as a linear function of terms comprising the expected bit values and the soft symbol variance is efficiently computed from the second moment and the expected symbol value squared. This simplified processing reduces receiver complexity, particularly in the context of modulation constellations having non-constant magnitudes, and thus saves power and/or improves design economics. | 10-24-2013 |
20140105053 | ESTIMATION OF FREQUENCY OFFSET BETWEEN A BASE STATION AND MOBILE TERMINAL - A method and apparatus for frequency offset estimation exploits the differences in reference symbol timing for different channels to resolve ambiguities in the frequency offset estimation. Based on the initial frequency offset estimates, a hypothesis table is constructed providing hypothesized frequency offsets for each channel for a plurality of possible offset regions. An error metric for each offset region is calculated based on the difference of the hypothesized frequency offsets. The set of hypothesized frequency offsets that minimize the error metric is selected as the final frequency offset estimates. | 04-17-2014 |
20140126467 | MULTIPLE OUTER LOOP LINK ADAPTATION - Systems and methods for subframe-based link adaptation for a radio signal in a cellular communications network are disclosed. In one embodiment, a base station obtains a hybrid automatic repeat request acknowledgement for data transmitted between the base station and a mobile terminal in a radio signal of the base station. The base station then updates a parameter (e.g., SINR offset) used to control a Modulation and Coding Scheme (MCS) for transmission of data between the base station and the mobile terminal in the radio signal for one or more subframes in a frame structure of the radio signal based on the hybrid automatic repeat request acknowledgement. The one or more subframes are a subset of all of the subframes in the frame structure of the radio signal. | 05-08-2014 |
20140254421 | CHANNEL ESTIMATION USING REFERENCE SIGNALS - A method in a radio network node for estimating channel gain over frequencies of a bandwidth in a radio communications network. The radio network node measures a first channel gain based on a received power of a sounding reference signal over a first set of frequencies from a user equipment, which first set of frequencies is comprised in the frequencies of the bandwidth. Furthermore, the radio network node measures a second channel gain based on a received power of a received demodulation reference signal of a physical uplink shared channel over a second set of frequencies from the user equipment, which second set of frequencies is comprised in the frequencies of the bandwidth. The radio network node then estimates a third channel gain over the frequencies of the bandwidth based on the measured first channel gain and the measured second channel gain. | 09-11-2014 |
20150111504 | CALIBRATION COUPLEING UNIT, CCU, AND A METHOD THEREIN FOR ENABLING CALIBRATION OF BASE STATION - A Calibration Coupling Unit, CCU, and a method therein for enabling calibration of a Base Station are provided. The CCU comprises an Antenna Interface Standards Group, AISG, interface and the CCU is connected to the Base Station by means of radio branch feeder cables carrying uplink and downlink transmissions to/from the Base Station. The Base Station comprises a Radio Unit, RU, and a Base Band Unit, BBU, and the CCU is further connectable to an antenna array comprising antenna elements. The method in the CCU comprises receiving ( | 04-23-2015 |
20150111515 | Method, Base Station and Apparatus in a Base Station for Reducing Intermodulation Distortion - A method in a base station is provided for reducing distortion of an uplink signal received in a receiver part ( | 04-23-2015 |
20150117336 | Method and Apparatus for Sending and Receiving Downlink Control Information - A user equipment, UE, ( | 04-30-2015 |
20150230193 | Estimation of Frequency Offset Between a Base Station and Mobile Terminal - A method and apparatus for frequency offset estimation exploits the differences in reference symbol timing for different channels to resolve ambiguities in the frequency offset estimation. Based on the initial frequency offset estimates, a hypothesis table is constructed providing hypothesized frequency offsets for each channel for a plurality of possible offset regions. An error metric for each offset region is calculated based on the difference of the hypothesized frequency offsets. The set of hypothesized frequency offsets that minimize the error metric is selected as the final frequency offset estimates. | 08-13-2015 |
20150305063 | METHODS AND ARRANGEMENTS IN A TELECOMMUNICATION SYSTEM FOR SENDING FEEDBACK DATA AND USER DATA ON A COMBINED FEEDBACK AND DATA CHANNEL - A method and an arrangement ( | 10-22-2015 |
Patent application number | Description | Published |
20090041735 | CD34 Stem cell-related methods and compositions - This invention provides novel stem cell-based methods for treating a number of conditions. These methods employ CD34 | 02-12-2009 |
20110105407 | Tissue Inhibitor of Metalloproteinases (Timp) Linked to Glycosylphosphatidylinositol (Gpi) - Anchors for Treatment of Cancer and Skin Lesions - The present invention relates to fusion constructs of glycosylphosphatidylinositol (GPI)-anchored tissue inhibitors of metalloproteinases (TIMPs) and their use for the treatment of cancer and in regenerative medicine. By this approach, the GPI-anchored TIMP proteins are incorporated into the surface membrane of tumor cells and render tumor cells sensitive to FAS-induced apoptosis. Furthermore, the fusion constructs of the present invention are effective agents useful in wound healing applications. In one embodiment, the TIMP is linked to mucin followed by GPI in order to enhance surface presentation. The use of GPI to link TIMP renders the resulting fusion protein particularly useful as an anti-cancer agent for the treatment of cancer, and, in particular, any residual cancer following an incomplete surgical resection of primary tumors in an individual. | 05-05-2011 |
20110268714 | CD34 Stem Cell-Related Methods and Compositions - This invention provides novel stem cell-based methods for treating a number of conditions. These methods employ CD34 | 11-03-2011 |
20120208769 | Chemokine-Mucin Fusions Linked to Glycosylphosphatidylinositol (GPI)-Anchors in Tissue Regeneration and as Tumour Immune Adjuvants - The present invention relates to chemokine-mucin fusions linked to glycosylphosphatidylinositol (GPI)-anchors and their use as anti-cancer adjuvants and as agents in tissue regeneration and suppression of vascular damage. GPI-linked chemokines are incorporated in the surface membrane of tumour cells and effect a recruitment of cytotoxic immune cells to the tumour site following injection in vivo. Leukocytes, cytotoxic T-cells and NK cells target the chemokine-GPI-anchored tumour cells and modulate cell-mediated lysis of the tumour cells. The efficiency of GPI-anchoring and modulation of immune cells can be further enhanced by linking the chemokine to a mucin domain followed by the GPI-anchor. The GPI-anchored chemokines, with or without mucin domain, are remarkably useful for the inhibition of tumour growth, tissue regeneration, and suppression of acute vascular damage to allografts. | 08-16-2012 |
20150238526 | CD34 STEM CELL-RELATED METHODS AND COMPOSITIONS - This invention provides novel stem cell-based methods for treating a number of conditions. These methods employ CD34 stem cells, and have a tremendous advantage in that they do not require myeloablation in the subject being treated. The CD34 stem cells used in the instant methods can be genetically, modified or not, depending on the disorder treated. | 08-27-2015 |