Patents by Inventor Branislav Popovic
Branislav Popovic has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10779330Abstract: A method can be used for facilitating a random access procedure between a first transceiver and a second transceiver within a cell. The first transceiver selects a signature sequence from a set of signature sequences, incorporates the signature sequence into a signal, and transmits the signal to the second transceiver. The set of signature sequences being obtained from a sequence with zero correlation zone.Type: GrantFiled: May 29, 2018Date of Patent: September 15, 2020Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Branislav Popovic, Oskar Mauritz
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Patent number: 10750505Abstract: A method is provided for arranging transmissions on a downlink carrier c, spanning a frequency range Fc, in a mobile radio communications system, wherein a bandwidth of Fc belongs to a set of predefined channel bandwidths in the communications system, and wherein the carrier c comprises a reference signal defined in the communications system. A configurable frequency range FRS comprising a set of time-frequency resources for comprising the reference signal of the carrier c is provided. Information associated with the configuration of the frequency range FRS is signaled to a receiver in the communications system, such that c can be deployed over a frequency range F smaller than Fc when the frequency range FRS is configured within F and any other transmissions on the carrier c are arranged to be within F.Type: GrantFiled: November 15, 2018Date of Patent: August 18, 2020Assignee: Huawei Technologies Co., Ltd.Inventors: Branislav Popovic, Fredrik Berggren
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Patent number: 10708900Abstract: The present disclosure provides a solution which solves the problem of demodulation reference signal (DMRS) ambiguity by introducing separate, i.e. different DMRSs. This is especially the case for systems employing dynamic allocation of control and data signals to different PRBs.Type: GrantFiled: July 25, 2018Date of Patent: July 7, 2020Assignee: Huawei Technologies Co., Ltd.Inventors: Branislav Popovic, Weijun Sun
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Publication number: 20190090244Abstract: A method is provided for arranging transmissions on a downlink carrier c, spanning a frequency range Fc, in a mobile radio communications system, wherein a bandwidth of Fc belongs to a set of predefined channel bandwidths in the communications system, and wherein the carrier c comprises a reference signal defined in the communications system. A configurable frequency range FRS comprising a set of time-frequency resources for comprising the reference signal of the carrier c is provided. Information associated with the configuration of the frequency range FRS is signaled to a receiver in the communications system, such that c can be deployed over a frequency range F smaller than Fc when the frequency range FRS is configured within F and any other transmissions on the carrier c are arranged to be within F.Type: ApplicationFiled: November 15, 2018Publication date: March 21, 2019Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Branislav POPOVIC, Fredrik BERGGREN
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Patent number: 10154494Abstract: A method is provided for arranging transmissions on a downlink carrier c, spanning a frequency range Fc, in a mobile radio communications system, wherein a bandwidth of Fc belongs to a set of predefined channel bandwidths in the communications system, and wherein the carrier c comprises a reference signal defined in the communications system. A configurable frequency range FRS comprising a set of time-frequency resources for comprising the reference signal of the carrier c is provided. Information associated with the configuration of said frequency range FRS is signaled to a receiver in the communications system, such that c can be deployed over a frequency range F smaller than Fc when the frequency range FRS is configured within F and any other transmissions on the carrier c are arranged to be within F.Type: GrantFiled: August 8, 2016Date of Patent: December 11, 2018Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Branislav Popovic, Fredrik Berggren
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Publication number: 20180332571Abstract: The present disclosure provides a solution which solves the problem of demodulation reference signal (DMRS) ambiguity by introducing separate, i.e. different DMRSs. This is especially the case for systems employing dynamic allocation of control and data signals to different PRBs.Type: ApplicationFiled: July 25, 2018Publication date: November 15, 2018Applicant: HUAWEI TECHNOLOGIES CO.,LTD.Inventors: Branislav Popovic, Weijun Sun
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Patent number: 10098104Abstract: The present disclosure provides a solution which solves the problem of demodulation reference signal (DMRS) ambiguity by introducing separate, i.e. different DMRSs. This is especially the case for systems employing dynamic allocation of control and data signals to different PRBs.Type: GrantFiled: June 30, 2016Date of Patent: October 9, 2018Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Branislav Popovic, Weijun Sun
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Publication number: 20180279382Abstract: A method can be used for facilitating a random access procedure between a first transceiver and a second transceiver within a cell. The first transceiver selects a signature sequence from a set of signature sequences, incorporates the signature sequence into a signal, and transmits the signal to the second transceiver. The set of signature sequences being obtained from a sequence with zero correlation zone.Type: ApplicationFiled: May 29, 2018Publication date: September 27, 2018Applicant: HUAWEI TECHNOLOGIES CO.,LTD.Inventors: Branislav Popovic, Oskar Mauritz
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Patent number: 10009928Abstract: A method can be used for facilitating a random access procedure between a first transceiver and a second transceiver within a cell. The first transceiver selects a signature sequence from a set of signature sequences, incorporates the signature sequence into a signal, and transmits the signal to the second transceiver. The set of signature sequences being obtained from a Zadoff-Chu sequence with zero correlation zone.Type: GrantFiled: January 26, 2016Date of Patent: June 26, 2018Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Branislav Popovic, Oskar Mauritz
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Patent number: 9998986Abstract: Embodiments relate to a method in a first network node for transmitting communication signals in a wireless communication system, the first network node being arranged to operate in an active mode in which the first network node has full transmission and/or reception capabilities or in an idle mode in which the first network node has limited transmission and/or reception capabilities in relation to the active mode; the method being characterized by the steps of: encoding an indication of time left in idle mode for the first network node into a communication signal; and transmitting said communication signal in the wireless communication system while operating in the idle mode. Furthermore, embodiments also relate to a corresponding method in a second network node, a first network node device, a second network node device, a computer program, and a computer program product thereof.Type: GrantFiled: January 15, 2016Date of Patent: June 12, 2018Assignee: Huawei Technologies Co., LtdInventors: Pablo Soldati, Branislav Popovic
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Patent number: 9967059Abstract: The present invention relates to methods for concurrent transmission and reception of information symbols over time-frequency resource elements in a wireless communication system. According to the present invention coded bits interleaving is combined with symbol spreading using LDS signatures. Thereby, the performance of coded LDS transmissions can be substantially improved in wireless communication systems. Furthermore, the invention also relates to corresponding transmit device, receiver device, computer program, and computer program product.Type: GrantFiled: December 28, 2015Date of Patent: May 8, 2018Assignee: Huawei Technologies Co., LtdInventors: Branislav Popovic, Anahid Robert Safavi
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Patent number: 9941947Abstract: The invention concerns a method for precoding in an open loop transmission communications system. The method includes precoding data at each of M REs with a precoding matrix, precoding each of DM-RSs with one column of a precoding matrix which is same as that used for precoding M data REs. The method is distinguished by using at least L?2 different precoding matrices from a set of precoding matrices W to precode the M REs and the E allocated REs such that REs precoded with a first precoding matrix are interleaved with REs precoded with at least one additional, different precoding matrix and the number of used precoding matrices L is adapted to the transmission rank r and number N of available DM-RS.Type: GrantFiled: November 24, 2015Date of Patent: April 10, 2018Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Jianghua Liu, Anahid Robert Safavi, Branislav Popovic
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Patent number: 9838167Abstract: The present invention relates to a method for allocating communication resources in a multi-user cellular communication system, wherein communication resources are divided in time periods and frequency sub-bands, wherein part of the communication resources are used for frequency-localized communication channels, and part of the communication resources are used for frequency distributed channels. The method further comprises the steps of: classifying part of the frequency sub-bands as frequency sub-bands carrying frequency-distributed channels, classifying the remaining part of the frequency sub-bands as frequency sub-bands carrying frequency-localized channels. The present invention also relates to a system, a transmitter and a communication system.Type: GrantFiled: July 28, 2014Date of Patent: December 5, 2017Assignee: Huawei Technologies Co., Ltd.Inventors: Jaap van de Beek, Oskar Mauritz, Branislav Popovic
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Patent number: 9661581Abstract: The present invention relates to a method for power control in a wireless communication system comprising at least one mobile station and N number of coordinated reception points with indices n=1, . . . , N, with the coordinated reception points being spatially separated and adapted for receiving transmissions from the mobile station, the method comprising the steps of: estimating a propagation loss metric LUL for the mobile station, the propagation loss metric LUL being a weighted sum of individual propagation losses Ln from the mobile station to the coordinated reception points expressed in dB multiplied with associated weights wn; and using propagation loss metric LUL for power control of mobile station. Furthermore, the invention also relates to a method in a network control device, a method in a mobile station, a computer program, a computer program product, a network control device and a mobile station device.Type: GrantFiled: July 2, 2014Date of Patent: May 23, 2017Assignee: Huawei Technologies Co., Ltd.Inventors: Pablo Soldati, Branislav Popovic
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Patent number: 9647814Abstract: The present invention relates to a method in a network control node for transmission of control channel signals in a wireless communication system, the wireless communication system employing scheduling of physical resource blocks (PRBs) used for each new transmission of a control channel signal, wherein each control channel signal is related to one or more control channel elements (CCEs); the method comprising the steps of: removing user specific reference signals in associated physical resource blocks (PRBs) if the associated physical resource blocks (PRBs) comprises at least one control channel signal; inserting control channel signals in the associated physical resource blocks (PRBs); and transmitting the associated physical resource blocks (PRBs). Furthermore, the invention also relates to a computer program, a computer program product, and a network control node device thereof.Type: GrantFiled: November 11, 2014Date of Patent: May 9, 2017Assignee: Huawei Technologies Co., Ltd.Inventors: Anahid Robert Safavi, Branislav Popovic, Fredrik Berggren
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Patent number: 9615341Abstract: A method for device-to-device (D2D) communications includes generating, by a synchronization source, a primary device-to-device synchronization signal that is different from a primary synchronization signal (PSS) sent by an Evolved NodeB (eNodeB) and an existing uplink (UL) signal sent by device-to-device communications devices, and transmitting, by the synchronization source, the primary device-to-device synchronization signal in a single carrier frequency division multiple access (SC-FDMA) waveform.Type: GrantFiled: October 31, 2014Date of Patent: April 4, 2017Assignee: Futurewei Technologies, Inc.Inventors: Philippe Sartori, Liang Xia, Qiang Li, Branislav Popovic, Fredrik Berggren
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Patent number: 9553753Abstract: The present disclosure relates to a method for facilitating synchronization in a wireless communication system. A number sequence of length L is defined. The number sequence is mapped on a first set of discrete Fourier frequency coefficients. A second set of discrete Fourier frequency coefficients is generated by frequency shifting the first set of discrete Fourier frequency coefficients. The second set of discrete Fourier frequency coefficients is transformed into a time domain signal.Type: GrantFiled: April 29, 2016Date of Patent: January 24, 2017Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Fredrik Berggren, Branislav Popovic
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Patent number: 9520978Abstract: A quantity of antenna ports of a transmitting apparatus is signalled in a wireless communication system. The quantity of antenna ports of the transmitting apparatus is encoded into a first type information and a second type information. The first type information is transmitted on a physical broadcast channel (PBCH) and the second type information is transmitted on a physical downlink shared channel (PDSCH). The PDSCH is transmitted on at least one antenna port indicated by the first type information.Type: GrantFiled: September 23, 2015Date of Patent: December 13, 2016Assignee: Huawei Technologies Co., Ltd.Inventors: Mattias Frenne, Branislav Popovic, Jianghua Liu
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Publication number: 20160353444Abstract: A method is provided for arranging transmissions on a downlink carrier c, spanning a frequency range Fc, in a mobile radio communications system, wherein a bandwidth of Fc belongs to a set of predefined channel bandwidths in the communications system, and wherein the carrier c comprises a reference signal defined in the communications system. A configurable frequency range FRS comprising a set of time-frequency resources for comprising the reference signal of the carrier c is provided. Information associated with the configuration of said frequency range FRS is signaled to a receiver in the communications system, such that c can be deployed over a frequency range F smaller than Fc when the frequency range FRS is configured within F and any other transmissions on the carrier c are arranged to be within F.Type: ApplicationFiled: August 8, 2016Publication date: December 1, 2016Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Branislav POPOVIC, Fredrik BERGGREN
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Publication number: 20160323134Abstract: The present disclosure relates to a method for facilitating synchronization in a wireless communication system. A number sequence of length L is defined. The number sequence is mapped on a first set of discrete Fourier frequency coefficients. A second set of discrete Fourier frequency coefficients is generated by frequency shifting the first set of discrete Fourier frequency coefficients. The second set of discrete Fourier frequency coefficients is transformed into a time domain signal.Type: ApplicationFiled: April 29, 2016Publication date: November 3, 2016Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Fredrik BERGGREN, Branislav POPOVIC