Patent application number | Description | Published |
20100173578 | METHOD, TERMINAL AND RADIO NETWORK CONTROLLER FOR SEARCHING FOR THE SINGLE FREQUENCY NETWORK CLUSTER - A method for searching for a broadcast/multicast single frequency network cluster, when a terminal needs to receive the broadcast/multicast service in the broadcast/multicast single frequency network cluster, the terminal synchronizes to a non broadcast/multicast single frequency network cell which is associated with the broadcast/multicast single frequency network cluster; and the terminal searches for the broadcast/multicast single frequency network cluster on the basis of the information indicated by the system information in the non broadcast/multicast single frequency network cell. So that the UE can search for the corresponding MBSFN cluster, and can receive the MBMS service in the searched MBSFN cluster. | 07-08-2010 |
20100265857 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING MULTIMEDIA BROADCAST MULTICAST SERVICES - The present invention discloses a method for transmitting multimedia broadcast multicast services, comprising the following steps: a Time Division Duplex system divides a time slot for bearing multimedia broadcast multicast services into code channels; each multimedia broadcast multicast service to be transmitted is borne on a corresponding divided code channel, and is transmitted to a user equipment based on the single frequency network mode of the multimedia broadcast multicast service. The present invention also discloses a method for receiving multimedia broadcast multicast services, and apparatus for transmitting and receiving multimedia broadcast multicast services, such that time slot resources for bearing multimedia broadcast multicast services are utilized more sufficiently. | 10-21-2010 |
20100284319 | DEDICATED CARRIER CONFIGURATION METHOD AND DEVICE AND MULTIMEDIA BROADCAST MULTICAST SERVICE TRANSMISSION METHOD - The present invention discloses a MBMS dedicated carrier configuration method, including: at least one of MBMS dedicated carriers in a cell is chose and assigned MBMS control information of all MBMS dedicated carriers and MBMS system information; and frequency information and scrambling code group ID information of at least one MBMS dedicated carriers assigned bundling information is assigned to conventional service carriers in the cell. The present invention also discloses a device for realizing said method and a MBMS transmission method based on dedicated carriers assigned the bundling information. The present invention realizes MBMS bundling on the dedicated carriers, and UE can receive services by directly sensing the carriers bearing control signaling, and thus it can reduce meaningless switching sense by the UE and save power. | 11-11-2010 |
20110300896 | METHOD, APPARATUS, AND SYSTEM FOR DETECTING A RADIO NETWORK PROBLEM - A method, an apparatus, and a system for detecting a radio network problem are disclosed. The method includes: when a radio network problem occurs on a user equipment (UE), a first base station controlling a cell that a radio resource control (RRC) connection established with the UE, receives problem information about the radio network problem sent by the UE, in a procedure of re-establishing the RRC connection by the UE, and sends the problem information to a second base station controlling a cell where the radio network problem occurs. In this way, the network side can automatically identify and detect the radio network problem which occurs on the UE, so that the network can perform self-adjustment and optimization, therefore improving the network performance and satisfying use requirements of users. | 12-08-2011 |
20110306363 | METHOD, APPARATUS AND SYSTEM FOR OPTIMIZING AND UPDATING TRACKING AREA - The present invention relates to the field of mobile communication technologies, and discloses a method, an apparatus, and a system for optimizing a tracking area, and a method, an apparatus, and a system for updating a tracking area. The method for optimizing a tracking area includes the following steps: an Operation, Administration and Maintenance entity obtains an optimization threshold, and performs a tracking area optimization according to the optimization threshold. With the present invention, the Operation, Administration and Maintenance entity can optimize the tracking area automatically. | 12-15-2011 |
20120002626 | PAGING METHOD, APPARATUS, AND SYSTEM FOR MULTI-CARRIER CELL - A paging method for a multi-carrier cell includes: receiving a paging message sent by a core network device, where the paging message carries user equipment (UE) information; and obtaining a carrier frequency serving the UE according to the UE information, and paging the UE on the carrier frequency, therefore avoiding a waste of paging resources caused by paging on all frequency bands. By using the preceding method, a waste of common paging resources caused by paging on all carrier frequencies in the multi-carrier cell is avoided. | 01-05-2012 |
20120021746 | METHOD, APPARATUS, AND SYSTEM FOR DETECTING A RADIO NETWORK PROBLEM - A method and an apparatus for detecting a radio network problem are disclosed. The method includes: when a radio link failure (RLF) problem occurs on a user equipment (UE) in a previous cell, a first base station controlling a new cell that a radio resource control (RRC) connection established with the UE receives problem information about the RLF problem sent by the UE, after the RRC connection is established, and the first base station sends the problem information to a second base station controlling the previous cell. In this way, the network side can automatically identify and detect the radio network problem which occurs on the UE, so that the network can perform self-adjustment and optimization, therefore improving the network performance and satisfying use requirements of users. | 01-26-2012 |
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 |
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 |
20140043998 | METHOD AND DEVICE FOR CELL OUTAGE DETECTION - Embodiments of the present invention provide a method and a device for cell outage detection. The method includes: receiving, by a controlling base station of a first cell, a request message, where the request message is used to request an outage measurement on a second cell, the first cell is a neighboring cell of the second cell; selecting, by the controlling base station of the first cell, a user equipment in the first cell to measure the second cell; receiving, by the controlling base station of the first cell, measurement information obtained by the user equipment by measuring the second cell, and generating, according to the measurement information, information used to determine whether an outage occurs in the second cell; and sending, by the controlling base station of the first cell, a reply message including the information used to determine whether an outage occurs in the second cell. | 02-13-2014 |
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 |
20140169310 | METHOD AND DEVICE FOR IMPLEMENTING SYNCHRONIZATION AND SENSE BETWEEN USER EQUIPMENTS - The present invention relates to the field of communications technologies, and discloses a method and a device for implementing synchronization and sense between user equipments. The method includes: triggering, by a base station, a first user equipment to perform synchronization with another user equipment; receiving quality information, reported by the first user equipment, of a channel between the first user equipment and a synchronized user equipment; and determining, according to the quality information of the channel, a target user equipment that directly communicates with the first user equipment, and/or determining, according to the quality information of the channel, a radio resource which can be used by the first user equipment. By using the present invention, energy efficiency of user equipments can be improved and resource overhead of a system can be reduced, thereby ensuring direct communication between user equipments. | 06-19-2014 |
20140194123 | METHOD, APPARATUS, AND SYSTEM FOR DETECTING A RADIO NETWORK PROBLEM - A system, base station and method are disclosed for detecting a radio network problem. For a handover failure occurs on a user equipment (UE), a first base station receives, problem information about the occurred handover failure from the UE, after a radio resource control (RRC) connection is reestablished or established between the UE and a cell controlled by the first base station. The first base station then transmits the received problem information to a second base station controlling a cell where the handover failure occurs. In this way, the network side can automatically identify and detect the handover failure. As such, the network can perform self-adjustment and optimization, therefore improving the network performance and satisfying use requirements of users. | 07-10-2014 |
20140248882 | RADIO LINK FAILURE STATISTICS METHOD, RELATED APPARATUS, AND COMMUNICATIONS SYSTEM - A method of the embodiments of the present invention includes: sending, by a source base station, identifier information to a user equipment, where the identifier information carries an identifier of a CIO configuration reason, and receiving, by the source base station, a first radio link failure indication sent by a first target base station, where the first radio link failure indication is sent by the first target base station to the source base station after the first target base station receives a Radio Resource Control protocol RRC reestablishment request message sent by the user equipment, and the RRC reestablishment request message carries the identifier of the CIO configuration reason. | 09-04-2014 |
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 |
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 |
20150139050 | SPECTRUM ALLOCATION METHOD AND DEVICE - Embodiments of the present invention relate to a spectrum allocation method and device. The method includes: determining, by a first base station, according to first broadcast information sent by at least one second base station, usage of a preferred frequency band of the at least one second base station; and determining, by the first base station, according to the usage of the preferred frequency band of the at least one second base station, use of the preferred frequency band of the at least one second base station by the first base station. Therefore, it is implemented that a spectrum resource utilization ratio is improved. | 05-21-2015 |