Patent application number | Description | Published |
20100061356 | METHOD AND SYSTEM FOR INTERFERENCE REDUCTION THROUGH PROXIMITY BASED TRANSMISSION MODE CHANGE - A method for transmission mode change in a telecommunication network, said network having a public network comprising at least one public base station (NB) covering a public cell and a private network comprising at least one private base station (PBS) covering a private cell, wherein said at least one private base station has limited access rights for User Equipment (UEs) in the private network, and where said UEs are able to also communicate with the public network, comprising the step of: performing a private base station transmission mode change when the private base station is in an interference reduction transmission mode to an active transmission mode when a UE with access right to said private base station is detected in proximity of said private base station, where a detection of said proximity is based on information being specific for said UE and its relation to said private base station. The disclosure also relates to a telecommunication system. | 03-11-2010 |
20100278144 | METHOD AND SYSTEM FOR GENERATING A SET OF TARGET CELLS SUITABLE FOR HANDOVER FROM A SOURCE CELL IN A CELLULAR COMMUNICATION SYSTEM - The present invention relates to a method for generating a set of target cells suitable for a handover from a source cell in a cellular communication system, said communication system including a plurality of cells, each of said cells including at least one radio transmitter for providing communication with at least one user entity in a coverage area. The method further comprises, in said user entity, when in a coverage area of said source cell, receiving signals transmitted from at least one of said cells, wherein said signals include cell-specific data from which a representation of a relationship of said cell with respect to said source cell can be derived, and generating a set of target cells in said user entity, based on said signals transmitted from said at least one cell. The present invention also relates to a system, a user entity, a computer program and a computer program product. | 11-04-2010 |
20110244869 | METHOD AND APPARATUS OF COMMUNICATION - A method for parameter management in a wireless cellular communications system, which includes a first base station and a second base station equipped for communications in the communications system, records one or more paging area parameters broadcast by a base station serving a neighbor cell of a cell served by the first base station. The paging area parameters form part of a relation of the first base station and are maintained by the first base station. The method further includes transferring the recorded paging area parameters from the first base station to the second base station. | 10-06-2011 |
20110255514 | METHOD AND APPARATUS OF COMMUNICATION - The disclosure pertains to cell transmit parameter management of wireless communication systems. It applies to different wireless access technologies. An example embodiment of the disclosure includes reference-signal transmit-power coordination between cells over a base-station-base-station interface. | 10-20-2011 |
20120071169 | METHOD AND APPARATUS OF PHYSICAL CELL IDENTIFIER ALLOCATION - A method and apparatus of allocating a Physical Cell Identifier (PCI) is disclosed in an embodiment of the present invention allowing different cells to operate on different frequencies while eliminating or reducing risk of PCI conflicts. Thereby PCI allocation is provided that is effective also in a multi-frequency environment. | 03-22-2012 |
20120088507 | METHOD FOR HANDOVER PROBLEM IDENTIFICATION - Method for handover problem identification in a mobile telecommunications system, the system including at least a first radio basestation, a second radio basestation and a mobile terminal able to communicate with said basestations, said mobile terminal is adapted to do a handover from the first basestation to the second basestation, the method including the steps of:
| 04-12-2012 |
20120202557 | METHOD FOR PROVIDING INFORMATION IN A CELLULAR WIRELESS COMMUNICATION SYSTEM - The present disclosure relates to a method for providing information in a cellular wireless communication system including: detecting a radio link failure (RLF) for a mobile station while connected to a first cell; re-establishing the connection in a second cell; and providing information about the radio link failure (RLF) only to cells supporting the same radio access technology (RAT) as the first cell and/or a third cell, wherein the third cell is the cell to which the mobile station was connected before the first cell. Furthermore, the disclosure also relates to a method in a mobile station, a method in a base station, a computer program, a computer program product, a mobile station device and a base station device. | 08-09-2012 |
20130183960 | METHOD FOR PROVIDING INFORMATION IN A CELLULAR WIRELESS COMMUNICATION SYSTEM - The present invention relates to a method for providing information in a cellular wireless communication system, the method comprises: detecting a radio link failure (RLF) for a mobile station while connected to a first cell; re-establishing the connection in a second cell; and providing information about said radio link failure (RLF) only to cells supporting the same radio access technology (RAT) as said first cell and/or a third cell, wherein said third cell is the cell to which said mobile station was connected before said first cell. Furthermore, the invention also relates to a method in a mobile station, a method in a base station, a computer program, a computer program product, a mobile station device and a base station device. | 07-18-2013 |
20130331105 | Identifying Mobile Station in a Cellular Wireless Communication System - A method of facilitating identification of a user equipment (UE) is disclosed. A first network control node (NCN) receives an radio link failure (RLF) indication message including a first mobile identity indicator (MII) of a UE. The first NCN determines a second MII of the UE, the second MII being associated with the first MII, and a second NCN associated with the second MII. And the first NCN sends the second MII to the second NCN. | 12-12-2013 |
20140050197 | Method for Providing Information in a Cellular Wireless Communication System - The present invention relates to a method for providing information in a cellular wireless communication system, wherein each cell in said cellular wireless communication system is served by a base station, and said cellular wireless communication system employs a procedure in which a mobile station suffering from a radio link failure (RLF), when being connected to a cell, may attempt to re-establish a connection in another cell, comprising the steps of: detecting a radio link failure (RLF) for said mobile station while connected to a first cell; requesting a radio resource control (RRC) re-establishment for said mobile station in a second cell after said radio link failure (RLF); and providing information, whether said radio resource control (RRC) re-establishment for said mobile station was successful or not, to said first cell and/or to a third cell, wherein said third cell is the cell to which said mobile station was connected before said first cell. Furthermore, the invention also relates to a method in a base station, a computer program, a computer program product, and a base station device. | 02-20-2014 |
20140087729 | Arrangement and Method for Optimising Handling of Handovers in Telecommunication Systems - An apparatus configured to operate in a telecommunications network comprising a first base station configured to serve at least a first cell and a second base station configured to serve at least a second cell, wherein said apparatus comprises a controller configured to receive measurements related to a successful handover of a user equipment from a first cell to a second cell, wherein said measurements relate to measurements being taken before and/or during said handover. | 03-27-2014 |
20140113634 | Optimizing Parameter Setting for Handover of Mobile Terminals on a Transportation Platform - A system and method for optimizing handover parameters for a plurality of mobile terminals on a common transportation platform in a cellular network includes at least a first terminal and a second terminal and a controller. The controller is configured to determine that each of the first and second terminal are on the common transportation platform, monitor a status of a handover attempt of the first terminal, and if the handover attempt is successful, adopt handover parameter settings of the first terminal for the second terminal, and if the handover attempt is not successful, change handover parameter settings for the second terminal. | 04-24-2014 |
20140141785 | CELL CHANGE METHOD AND DEVICE - Embodiments of the present invention provide a cell change method and device. The method includes: determining that a target cell of cell change is a micro cell, where the cell change includes cell reselection or cell handover; determining a mobility state or a moving speed of a user equipment; and making a cell change decision for the target cell according to the mobility state or the moving speed of the user equipment. In a process of making a cell change decision for a micro cell in the embodiments of the present invention, the mobility state or the moving speed of the user equipment is taken into account, to reduce unnecessary cell changes for the micro cell, thereby reducing the system burden and user equipment power consumption caused by frequent cell change. | 05-22-2014 |
20140295857 | METHOD AND APPARATUS OF PHYSICAL CELL IDENTIFIER ALLOCATION - A method and apparatus of allocating a Physical Cell Identifier (PCI) is disclosed in an embodiment of the present invention allowing different cells to operate on different frequencies while eliminating or reducing risk of PCI conflicts. Thereby PCI allocation is provided that is effective also in a multi-frequency environment. | 10-02-2014 |
20140378137 | METHOD AND APPARATUS OF COMMUNICATION - A method for parameter management in a wireless cellular communications system, which includes a first base station and a second base station equipped for communications in the communications system, records one or more paging area parameters broadcast by a base station serving a neighbor cell of a cell served by the first base station. The paging area parameters form part of a relation of the first base station and are maintained by the first base station. The method further includes transferring the recorded paging area parameters from the first base station to the second base station. | 12-25-2014 |
20150017990 | Optimizing Parameter Setting for Handover of Mobile Terminals on a Transportation Platform - A system and method for optimizing handover parameters for a plurality of mobile terminals on a common transportation platform in a cellular network includes at least a first terminal and a second terminal and a controller. The controller is configured to determine that each of the first and second terminal are on the common transportation platform, monitor a status of a handover attempt of the first terminal, and if the handover attempt is successful, adopt handover parameter settings of the first terminal for the second terminal, and if the handover attempt is not successful, change handover parameter settings for the second terminal. | 01-15-2015 |
20150056999 | METHOD FOR PROVIDING INFORMATION IN A CELLULAR WIRELESS COMMUNICATION SYSTEM - The present invention relates to a method for providing information in a cellular wireless communication system, comprising the steps of: detecting a radio link failure (RLF) for a mobile station while connected to a first cell; re-establishing the connection in a second cell; and providing information about said radio link failure (RLF) only to cells supporting the same radio access technology (RAT) as said first cell. Furthermore, the invention also relates to a method in a mobile station, a method in a base station, a computer program, a computer program product, a mobile station device and a base station device. | 02-26-2015 |
20150079994 | METHOD FOR DETERMINING UNNECESSARY HANDOVER AND BASE STATION - The present invention provides a method for determining an unnecessary handover and a base station. The method includes: if a user equipment UE is handed over from a first cell to a second cell, and then handed over from the second cell to a third cell, determining, by a base station, a time threshold corresponding to a UE characteristic attribute parameter of the UE, and a time of stay of the UE in the second cell; determining, by the base station according to the time threshold corresponding to a UE characteristic attribute and the time of stay of the UE in the second cell that are determined, whether an unnecessary handover of the UE occurs; and determining that an unnecessary handover of the UE occurs if the time of stay is shorter than the time threshold. The present invention optimizes a method for determining whether an unnecessary handover occurs. | 03-19-2015 |