Patents by Inventor Hajo Bakker
Hajo Bakker 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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Publication number: 20150295685Abstract: At least one embodiment relates to a method for controlling a number of almost blank subframes (ABS) in a heterogeneous network having a macro cell and at least one small cell of a plurality of small cells in a coverage area of the macro cell, the method includes receiving, at the macro cell, a plurality of measurements regarding both received power and received quality from a terminal, receiving, at the macro cell, a plurality of load-related values from a plurality of small cells; and determining, by the macro cell, a cost-benefit value (CBV) based on the received measurements and load values. The CBV indicates whether an increase or a decrease in the ABS would benefit the network. The method further includes selectively changing, by the macro cell, the number of ABS available to the at least one small cell based on the CBV.Type: ApplicationFiled: April 10, 2014Publication date: October 15, 2015Applicant: ALCATEL LUCENTInventors: Sem BORST, Phil WHITING, Markus GRUBER, Hajo BAKKER, Siegfried KLEIN
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Publication number: 20150296430Abstract: Embodiments relate to apparatuses, methods and a computer programs for a mobile transceiver (100) and a base station transceiver (200). The mobile transceiver apparatus (10) comprises means for receiving (12) radio signals from two or more base station transceivers, the means for receiving (12) further having a receive sensitivity determining a possibility to decode data from a radio signal of one of the two or more base station transceivers, while also receiving radio signals from the other of the two or more base station transceivers. The mobile transceiver apparatus further comprises means for providing (14) sensitivity information on the receive sensitivity to an associated base station transceiver (200). The base station transceiver apparatus (20) comprises means for receiving (22) the sensitivity information on the receiver sensitivity and means for determining (24) configuration information on a measurement configuration for the mobile transceiver (100).Type: ApplicationFiled: July 5, 2013Publication date: October 15, 2015Applicant: Alcatel LucentInventors: Hajo Bakker, Andreas Weber, Teck Hu
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Patent number: 9148898Abstract: A computer implemented method of operating a base station of a wireless communication network, wherein the method comprises: comparing a number of missing context release messages (108) with a first criterion; comparing the error rate of connection reestablishment messages (112) with a second criterion; executing a cell global identity search algorithm (110) if at least one of the first and the second criterion is fulfilled, wherein the cell global identity of at least one cell with the physical cell identity of the cell where the criterion was fulfilled is requested via an automatic neighbor relation measurement, and wherein a conflict of physical cell identities is detected and reported to an information algorithm (116) when for the physical cell identity at least two cell global identities are found; an information algorithm for informing a central network element (118) and/or at least one base station (120) of the mobile communication network about a conflict of physical cell identities when a conflictType: GrantFiled: April 14, 2014Date of Patent: September 29, 2015Assignee: Alcatel LucentInventors: Hajo Bakker, Anton Ambrosy, Rolf Sigle, Danish Aziz, Harald Eckhardt
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Publication number: 20150087314Abstract: Embodiments provide methods, computer programs and apparatuses 10, 30 for a base station transceiver 100 and a relay station transceiver 300 in a mobile communication network 400, which comprises the base station transceiver 100, a mobile transceiver 200 being associated with the base station transceiver 100 and a relay transceiver 300 being associated with the base station transceiver 100. The base station transceiver apparatus comprises a receiver 12 for receiving information on a handover request from the mobile transceiver 200, the information on the handover request indicating that the mobile transceiver 200 is in a situation in which a reception quality of the signals of the relay transceiver 300 would allow a re-association of the mobile transceiver 200 to the relay transceiver 300.Type: ApplicationFiled: April 4, 2013Publication date: March 26, 2015Applicant: Alcatel LucentInventors: Andreas Weber, Siegfried Klein, Uwe Doetsch, Hajo Bakker
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Patent number: 8954073Abstract: The invention relates to a telecommunication method in a base station of a mobile communication system, the mobile communication system comprising a plurality of base stations, a communication link being established between the base station and a user equipment, the method comprising the following steps performed by the base station: selecting one of the plurality of base stations as a target base station for a handover of the user equipment; transmitting a handover request to the target base station; receiving a handover request acknowledgement from the target base station, the handover request acknowledgment being indicative of at least one physical resource of the target base station; and transmitting a handover command to the user equipment via the communication link using the at least one physical resource. The handover command being descriptive of information required for accessing the target base station.Type: GrantFiled: January 29, 2010Date of Patent: February 10, 2015Assignee: Alcatel LucentInventors: Stephen Kaminski, Thorsten Wild, Hajo Bakker, Danish Aziz, Rolf Sigle, Heidrun Grob-Lipski, Uwe Doetsch, Michael Schmidt
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Publication number: 20140335874Abstract: A computer implemented method of operating a base station of a wireless communication network, wherein the method comprises: comparing a number of missing context release messages (108) with a first criterion; comparing the error rate of connection reestablishment messages (112) with a second criterion; executing a cell global identity search algorithm (110) if at least one of the first and the second criterion is fulfilled, wherein the cell global identity of at least one cell with the physical cell identity of the cell where the criterion was fulfilled is requested via an automatic neighbour relation measurement, and wherein a conflict of physical cell identities is detected and reported to an information algorithm (116) when for the physical cell identity at least two cell global identities are found; an information algorithm for informing a central network element (118) and/or at least one base station (120) of the mobile communication network about a conflict of physical cell identities when a conflicType: ApplicationFiled: April 14, 2014Publication date: November 13, 2014Applicant: ALCATEL LUCENTInventors: Hajo Bakker, Anton Ambrosy, Rolf Sigle, Danish Aziz, Harald Eckhardt
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Publication number: 20140211688Abstract: The present invention concerns a method of providing communication over a mobile communication network (1) and components for providing communication over the communication network (1). The network (1) comprises two or more fixed nodes (2a, 2b) each operating a fixed radio cell (3a, 3b) for serving one or more user equipments (4) via a first radio interface (5a, 5b). Each of these fixed radio cells (3a, 3b) is identified by a physical cell ID (6a, 6b) selected out of a set of N physical cell IDs. In addition, the network (1) comprises one or more mobile relay nodes (7) served by the one or more fixed nodes (2a, 2b) via a second radio interface (8a, 8b). The mobile relay nodes (7) each operate a mobile radio cell (9) for serving one or more user equipments (4) via a third radio interface (10). Each of these mobile radio cells (9) is identified by a physical cell ID (6c) selected out of the set of N physical cell IDs.Type: ApplicationFiled: July 26, 2012Publication date: July 31, 2014Applicant: ALCATEL LUCENTInventors: Hajo Bakker, Uwe Doetsch, Siegfried Klein, Andreas Weber
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Patent number: 8737236Abstract: A computer implemented method of operating a base station of a wireless communication network, wherein the method comprises: comparing a number of missing context release messages (108) with a first criterion; —comparing the error rate of connection reestablishment messages (112) with a second criterion; executing a cell global identity search algorithm (110) if at least one of the first and the second criterion is fulfilled, wherein the cell global identity of at least one cell with the physical cell identity of the cell where the criterion was fulfilled is requested via an automatic neighbor relation measurement, and wherein a conflict of physical cell identities is detected and reported to an information algorithm (116) when for the physical cell identity at least two cell global identities are found; —an information algorithm for informing a central network element (118) and/or at least one base station (120) of the mobile communication network about a conflict of physical cell identities when a conflictType: GrantFiled: June 23, 2010Date of Patent: May 27, 2014Assignee: Alcatel LucentInventors: Hajo Bakker, Anton Ambrosy, Rolf Sigle, Danish Aziz, Harald Eckhardt
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Patent number: 8737222Abstract: A method of determining a bias parameter for a heterogeneous network including a small cell, a macro cell, and one or more user equipment (UEs), the small cell being underlaid with respect to the macro cell, includes determining, at a base station of the small cell, a loading state of the macro cell; and setting, at the base station, the bias parameter based on the determined loading state. A method of determining a cell border window (CBW) for the small cell, the small cell being underlaid with respect to the macro cell, the small cell having a plurality of attached UEs which are divided into inner cell UEs and border cell UEs, includes determining, at the base station, a difference value based on utilization values of the inner cell UEs and the border cell UEs; and adjusting the CBW based on the difference value and a threshold value.Type: GrantFiled: August 18, 2011Date of Patent: May 27, 2014Assignee: Alcatel LucentInventors: Kamakshi Sridhar, Hajo Bakker, James Paul Seymour, Andreas Weber
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Publication number: 20140128068Abstract: A concept for a mobile relay station transceiver (100), a mobility management entity (200) and base station transceiver (300; 301; 302) in a mobile communication system (500), the mobile communication system (500) comprising a mobile transceiver (400), the mobile transceiver (400) being located in the coverage area of the mobile relay station transceiver (100) and associated with the mobile relay station transceiver (100) while being in an idle mode, the idle mode being a state in which data transmission is inactive, the apparatus (10) being adapted for performing mobility related signaling towards the mobile communication system (500) communicating with the plurality of base station transceivers (300; 301; 302), and for generating a static network environment for the mobile transceiver (400) while the mobile transceiver (400) is associated to the mobile relay station transceiver (100),Type: ApplicationFiled: May 8, 2012Publication date: May 8, 2014Applicant: ALCATEL LUCENTInventors: Siegfried Klein, Uwe Doetsch, Hajo Bakker, Andreas Weber
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Publication number: 20130343281Abstract: The invention relates to a method for communication in a wireless telecommunication system, wherein the wireless telecommunication system comprises a plurality of base stations (102) and at least one computing cloud (100), wherein the plurality of base stations are each connected to the at least one computing cloud, wherein the computing cloud comprises a plurality of computing devices, wherein the computing cloud is operatively coupled to the plurality of base stations, and wherein the method comprises the following steps: performing (S1) time-critical operations by the plurality of base stations; performing (S2) non-time-critical operations by the at least one computing cloud for the plurality of base stations; and exchanging (S3) control data between the plurality of base stations and the at least one computing cloud; wherein the non-time-critical operations comprise at least one of the following operations: handover procedures, call admissions, load balancing, gathering statistical data of cells of the wiType: ApplicationFiled: February 23, 2012Publication date: December 26, 2013Applicant: ALCATEL LUCENTInventors: Hajo Bakker, Hans-Peter Mayer, Uwe Doetsch
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Patent number: 8606274Abstract: A handover method is provided, in which a measure of signal strength is obtained between a user terminal and each of one or more candidate cells, relative to signal strength between the user terminal and a source cell. For candidate cells, a threshold is set that depends on a measure of loading of the source cell and a measure of loading of the candidate cell. For the target cell, a particular candidate cell is identified for which the measure of signal strength exceeds the threshold set for that particular cell. The user terminal is connected to the target cell. In specific embodiments, the threshold for each candidate cell depends on a load differential between the source cell and the candidate cell.Type: GrantFiled: April 1, 2011Date of Patent: December 10, 2013Assignee: Alcatel LucentInventors: Simon C. Borst, Hajo Bakker, Iraj Saniee, Markus Gruber
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Publication number: 20130310043Abstract: The invention relates to a method for performing a handover of a mobile device from a source cell to a target cell in a cellular wireless telecommunication network, the method comprising the following steps: configuring the mobile device to transmit a first handover trigger signal to the source cell, when a difference between a signal strength of the target cell and a signal strength of the source cell as measured by the mobile device is above a first threshold (105; determining (S1) if a cell traffic load in the source cell is above a cell traffic load threshold; if so, configuring the mobile device to transmit a second handover trigger signal to the source cell, when a difference between a signal strength of the target cell and a signal strength of the source cell as measured by the mobile device is above a second threshold (100), wherein the first threshold is larger than the second threshold.Type: ApplicationFiled: December 20, 2011Publication date: November 21, 2013Applicant: ALCATEL LUCENTInventors: Hajo Bakker, Lutz Ewe, Markus Gruber
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Patent number: 8509780Abstract: The present application describes embodiments of a method and apparatus for determining handover parameters in a wireless overlay network. One embodiment includes modifying a bias value used to determine when to handover user equipment between a macrocell and a femtocell that overlays the macrocell. The bias value is modified in response to a change in one or more handover frequencies associated with the user equipment. Handovers of user equipment are triggered when a sum of the bias value and a measured value of the femtocell signal strength exceed a measured value of the macrocell signal strength.Type: GrantFiled: August 18, 2011Date of Patent: August 13, 2013Assignee: Alcatel LucentInventors: Kamakshi Sridhar, Hajo Bakker
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Publication number: 20130045749Abstract: The present application describes embodiments of a method and apparatus for determining handover parameters in a wireless overlay network. One embodiment includes modifying a bias value used to determine when to handover user equipment between a macrocell and a femtocell that overlays the macrocell. The bias value is modified in response to a change in one or more handover frequencies associated with the user equipment. Handovers of user equipment are triggered when a sum of the bias value and a measured value of the femtocell signal strength exceed a measured value of the macrocell signal strength.Type: ApplicationFiled: August 18, 2011Publication date: February 21, 2013Inventors: Kamakshi Sridhar, Hajo Bakker
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Publication number: 20130044600Abstract: A method of determining a bias parameter for a heterogeneous network including a small cell, a macro cell, and one or more user equipment (UEs), the small cell being underlaid with respect to the macro cell, includes determining, at a base station of the small cell, a loading state of the macro cell; and setting, at the base station, the bias parameter based on the determined loading state. A method of determining a cell border window (CBW) for the small cell, the small cell being underlaid with respect to the macro cell, the small cell having a plurality of attached UEs which are divided into inner cell UEs and border cell UEs, includes determining, at the base station, a difference value based on utilization values of the inner cell UEs and the border cell UEs; and adjusting the CBW based on the difference value and a threshold value.Type: ApplicationFiled: August 18, 2011Publication date: February 21, 2013Applicants: ALCATEL-LUCENT DEUTSCHLAND, ALCATEL-LUCENT USA INC.Inventors: Kamakshi Sridhar, Hajo Bakker, James Paul Seymour, Andreas Weber
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Publication number: 20120252464Abstract: A handover method is provided, in which a measure of signal strength is obtained between a user terminal and each of one or more candidate cells, relative to signal strength between the user terminal and a source cell. For candidate cells, a threshold is set that depends on a measure of loading of the source cell and a measure of loading of the candidate cell. For the target cell, a particular candidate cell is identified for which the measure of signal strength exceeds the threshold set for that particular cell. The user terminal is connected to the target cell. In specific embodiments, the threshold for each candidate cell depends on a load differential between the source cell and the candidate cell.Type: ApplicationFiled: April 1, 2011Publication date: October 4, 2012Applicant: Alcatel-Lucent USA Inc.Inventors: Simon C. Borst, Hajo Bakker, Iraj Saniee, Markus Gruber
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Patent number: 8259579Abstract: The invention relates to a method for controlling the flow of data between an RNC (R) and a base station (BS) of a UMTS mobile communications system with HSDPA capability via an lub interface (I2), where an HS-DSCH Frame Protocol mechanism is implemented in the lub interface (I2) to provide control and data services for the communication of HSDPA user data between the RNC and the base station, wherein a capacity overload control entity (COCU) monitors information about actual lub interface data transport flow (IDF), and when a determined lub interface (I2) transport capacity value is reached, the data transport flow is reduced in the lub interface (I2).Type: GrantFiled: December 24, 2008Date of Patent: September 4, 2012Assignee: Alcatel LucentInventors: Hajo Bakker, Bernd Haberland, Anne Agin
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Patent number: 8243642Abstract: A method of providing a multimedia multicast service in a digital wireless communication network, the network having a network controller for controlling of at least one base station, comprising establishing a single data stream from the network controller to the base station for transmitting of multimedia data, by means of a single lub link or transport bearer and establishing a separate communication link and a separate data queue for each user equipment in a radio cell of the base station which requests the multimedia data.Type: GrantFiled: July 19, 2004Date of Patent: August 14, 2012Assignee: Alcatel LucentInventors: Hajo Bakker, Dietrich Zeller
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Publication number: 20120099442Abstract: A computer implemented method of operating a base station of a wireless communication network, wherein the method comprises: comparing a number of missing context release messages (108) with a first criterion; comparing the error rate of connection reestablishment messages (112) with a second criterion; executing a cell global identity search algorithm (110) if at least one of the first and the second criterion is fulfilled, wherein the cell global identity of at least one cell with the physical cell identity of the cell where the criterion was fulfilled is requested via an automatic neighbour relation measurement, and wherein a conflict of physical cell identities is detected and reported to an information algorithm (116) when for the physical cell identity at least two cell global identities are found; an information algorithm for informing a central network element (118) and/or at least one base station (120) of the mobile communication network about a conflict of physical cell identities when a conflict oType: ApplicationFiled: June 23, 2010Publication date: April 26, 2012Inventors: Hajo Bakker, Anton Ambrosy, Rolf Sigle, Danish Aziz, Harald Eckhardt