Patent application number | Description | Published |
20090191862 | INTER-RAT/ FREQUENCY AUTOMATIC NEIGHBOR RELATION LIST MANAGEMENT - In one of its aspects the technology concerns a method of operating a telecommunications system comprising a serving radio base station and a candidate radio base station. The serving radio base station comprises a radio base station to which a wireless mobile station provides measurement reports. The serving radio base station and the candidate radio base station are different with respect to at least one of frequency and radio access technology. The method comprises the serving radio base station allowing the mobile station to obtain information broadcasted by the candidate radio base station. The information is either information for locating Cell Global Identity (CGI) of the candidate radio base station or the Cell Global Identity (CGI) itself of the radio base station. The mobile station obtains the information from the candidate radio base station during at least one reading gap. The reading gap is a time period in which the mobile station does not receive information from the serving radio base station. | 07-30-2009 |
20100210255 | RANDOM ACCESS CHANNEL (RACH) RECONFIGURATION FOR TEMPORARILY EXTENDED CELL COVERAGE - A device obtains a service change associated with a cell in a radio network, and identifies helper cells in the radio network that need new random access channel (RACH) parameters due to the service change. The device also determines a RACH parameters configuration for the helper cells, and configures the helper cells with the determined RACH parameters configuration. | 08-19-2010 |
20110098035 | METHOD AND ARRANGEMENT FOR AUTOMATIC TUNING OF THE RACH CONFIGURATION IN A WIRELESS COMMUNICATION NETWORK - The present invention relates to a method and a communication network node for automatically tuning a PRACH configuration parameter in a communication network system comprising radio base stations each serving at least one cell and with which user equipments are communicating on uplink and downlink channels. The PRACH configuration parameter is used for defining the division of uplink resource blocks between PRACH and PUSCH. Load statistics on RACH and PUSCH are collected used for determining a number of RACH opportunities required per time unit. Then a new PRACH configuration parameter having said required number of RACH opportunities per time unit is selected which is replacing the old PRACH configuration parameter. | 04-28-2011 |
20110165874 | METHOD AND ARRANGEMENT IN A COMMUNICATION NETWORK SYSTEM - A method and a communication network node for satisfying detection miss probability and false detection probability requirements in a random access channel used by mobile stations (MS) for accessing a communication network system comprising radio base stations (BS) each serving at least one cell ( | 07-07-2011 |
20110235529 | METHOD AND ARRANGEMENT IN A COMMUNICATION NETWORK SYSTEM - The present invention relates to a method and a communication network node for enabling automatic optimization of a random access preamble format usage in a communication network system. The network comprises the communication network node serving at least one cell to which user equipments are accessing. A random access preamble format is set for each cell and comprises a random access sequence length, T | 09-29-2011 |
20120008524 | Method and Apparatus for Monitoring a Random Access Channel - A user equipment for obtaining data for observing performance related to Random Access in a cellular radio system is provided. The user equipment can connect to the system. In order to provide the network/system with data for observing the random access procedure the user equipment measures and stores data needed to compute measurements to be reported to the system. The user equipment further generates a measurement report, and transmits the measurement report based on a trigger event. | 01-12-2012 |
20120046065 | Automatic Planning and Handling of Random Access Root Sequences - The present invention relates to a method and a communication network node for enabling automatic planning and handling of root sequences used at random access in a communication network system, wherein user equipments ( | 02-23-2012 |
20120064897 | INTER-RAT/ FREQUENCY AUTOMATIC NEIGHBOR RELATION LIST MANAGEMENT - A telecommunications system comprises a serving radio base station and a candidate radio base station which are different with respect to at least one of frequency and radio access technology. The serving radio base station comprises a radio base station to which a wireless mobile station provides measurement reports. A method comprises the serving radio base station allowing the mobile station to obtain information broadcasted by the candidate radio base station. The information is either information for locating Cell Global Identity (CGI) of the candidate radio base station or the Cell Global Identity (CGI) itself of the radio base station. The mobile station obtains the information from the candidate radio base station during at least one reading gap. The reading gap is a time period in which the mobile station does not receive information from the serving radio base station. | 03-15-2012 |
20120163238 | Base Station Self-Optimization - In a cellular radio system a message indicating a change of cell size can be transmitted to a number of affected cells, in particular, neighboring cells. The affected cells receiving such a message can be adapted to use the information in the message when determining self-optimization parameters used for control purposes. Hereby, better response times can be achieved without reducing noise sensitivity. | 06-28-2012 |
20120164955 | Method and Apparatus for Cell Control - In a method and an apparatus for determining when a cell of a cellular radio system can enter a discontinuous transmission mode is provided. By evaluating qualities from both the cell and neighboring cells for a number of positions and calculating a statistically expected quality distribution of the evaluated qualities conditioned on that certain cells are in discontinuous transmission mode it is possible to generate a distribution which can be compared with at least one requirement thresholds. Based on the comparison it is possible to determine if first cell can use discontinuous transmission mode and still fulfill the requirements. | 06-28-2012 |
20120295611 | COMPENSATING FOR COVERAGE HOLES IN A CELLULAR RADIO SYSTEM - In a method and a device for automated compensation for a cell/sector outage parameters of uplink power control are adjusted in order to tradeoff coverage versus quality. The uplink power control parameters can be continuously optimized in response to traffic and network characteristics thereby providing for an optimized performance degradation in cells surrounding the coverage hole. | 11-22-2012 |
20120295631 | Method of Bringing a Wireless Telecommunication Cell Into DTX Mode - In a method and system for automatically bringing a cell into DTX mode, a time period is introduced during which the outcome of bringing a cell into DTX mode is observed. The cell can return to a transmission mode if the outcome is non-satisfactory as determined by some criteria. Hereby an improved automated DTX method can be implemented which helps save energy in a cellular radio system. | 11-22-2012 |
20120307701 | Power Saving Method and Device for a Cellular Radio System - In a method and a device of a cellular radio system the resulting energy consumption if one or many cells are allowed to go to a sleep mode is compared with the current energy consumption. Hereby, a system that continuously can optimize the energy consumption in a cellular radio system can be obtained. | 12-06-2012 |
20130089079 | METHOD AND ARRANGEMENT IN A COMMUNICATION NETWORK - An object of the present invention is to provide a mechanism for observing random access performance in a Long Term Evolution network. The object is achieved by a method in a base station ( | 04-11-2013 |
20130115959 | METHOD AND APPARATUS FOR EXCLUDING NON-MOBILITY DATA FROM MOBILITY KEY PERFORMANCE INDICATORS - Handover (HO) statistics and handover issue events which are due to non-mobility causes are not included in the statistics fed into mobility robustness optimization (MRO). The non-mobility causes may include, e.g., load balancing, retracting users to prepare for cell maintenance or restart/reconfiguration and cell outage including compensation means. Radio link failure (RLF), handover failure (HOF), and handover oscillations (HOosc) that are due to non-mobility cause are excluded from the statistics upon which mobility robustness optimization is based. Non-mobility causes are also differentiated from mobility causes when reporting key performance indicators to an operator. | 05-09-2013 |
20130237158 | METHOD AND ARRANGEMENT FOR PROBING OF ALTERNATIVE ANTENNA CONFIGURATIONS IN A COMMUNICATION NETWORK SYSTEM - The present invention relates to an arrangement, a communication network node and a user equipment allowing for probing of alternative antenna configurations in a communication network system as well as a method for such probing. The method comprises making one of the reconfigurable antennas ( | 09-12-2013 |
20130244644 | METHOD AND ARRANGEMENT FOR CELL OUTAGE COMPENSATION IN A COMMUNICATION NETWORK SYSTEM - The present invention relates to an arrangement, a communication network node and method for cell outage compensation in a communication network system comprising a plurality of communication network nodes ( | 09-19-2013 |
20130294286 | CONFLICT HANDLING IN SELF-ORGANIZING NETWORKS - A mechanism to handle conflict situations relating to configuration parameter value changes that can be made by two or more different self-organizing network functions is provided. The mechanism is based on storing and maintaining at least short term history information on configuration parameter value changes ( | 11-07-2013 |
20130344889 | Methods and Arrangements for Handling Positioning in a Radio Communication System - A method in a first radio network node ( | 12-26-2013 |
20140018098 | METHODS AND ARRANGEMENTS FOR HANDLING POSITIONING IN A RADIO COMMUNICATION SYSTEM - A method in a first radio network node for handling position measurements is provided. The first radio network node receives from a second radio network node a position measurement associated with a user equipment, and a system frame number. The system frame number is associated with the second radio network node. The system frame number is further related to a point in time when the position measurement was performed. The first radio network node calculates a position estimate of the position of the user equipment based on the position measurement. The first radio network node defines a time stamp which is based on the received system frame number. The first radio network node then signals to a third radio network node a positioning response. The positioning response comprises the position estimate and the time stamp. | 01-16-2014 |
20140050154 | METHOD AND ARRANGEMENT FOR ASSISTING A NETWORK MANAGEMENT UNIT - A method in a base station for assisting a network management unit in managing a cellular network is provided. The base station determines a status of the cellular network. The status affects a measurement of a quality of a radio channel between the base station and a user equipment comprised in the cellular network. The measurement is to be performed by the user equipment. The base station receives a feedback report from the user equipment comprising the measurement. The base station evaluates a validity of the measurement based on the determined status. The base station sends a report to the network management unit. The report comprises an indication of the measurement and an indication of the validity, thereby assisting the network management unit in managing the cellular network. | 02-20-2014 |
20140106756 | INTER-RAT/FREQUENCY AUTOMATIC NEIGHBOR RELATION LIST MANAGEMENT - In one of its aspects the technology concerns a method of operating a telecommunications system comprising a serving radio base station and a candidate radio base station. The serving radio base station comprises a radio base station to which a wireless mobile station provides measurement reports. The serving radio base station and the candidate radio base station are different with respect to at least one of frequency and radio access technology. The method comprises the serving radio base station allowing the mobile station to obtain information broadcasted by the candidate radio base station. The information is either information for locating Cell Global Identity (CGI) of the candidate radio base station or the Cell Global Identity (CGI) itself of the radio base station. The mobile station obtains the information from the candidate radio base station during at least one reading gap. The reading gap is a time period in which the mobile station does not receive information from the serving radio base station. | 04-17-2014 |
20140112178 | METHOD, NODE AND SYSTEM FOR MANAGEMENT OF A MOBILE NETWORK - The invention relates to a method for estimating performance in a mobile network, a method for generating a performance map, use of such methods, a network management system, and a network node in the mobile network for performing the methods. The exemplary method including receiving localized user equipment measurements from a user equipment in the mobile network, including the user equipment measurements in sets and determining at least one antenna characteristics model for the set of user equipment measurements. A path loss model is determined for the user equipment measurements. A localized performance measurement is determined by deducting an estimated antenna impact from the estimated path loss for the user equipment measurement. The operations are repeated to generate a spatial performance map for the mobile network, wherein updates of the spatial performance map are based on further user equipment measurements from the user equipment in the mobile network. | 04-24-2014 |
20140211748 | Methods and Arrangements for Supporting Random Access in Cellular Communication System - Methods and nodes in a cellular communication system for supporting Random Access. A method in a first network node involves determining at least one uplink radio resource amongst a plurality of radio resources, and refraining from scheduling uplink communication in the at least one uplink radio resource, thus enabling a UE in an area with an uplink/downlink imbalance to perform Random Access to a neighbor second network node (B). | 07-31-2014 |
20140248890 | SERVICE AWARE INTERFERENCE MANAGEMENT - Methods, arrangement and network nodes for supporting inter-cell coordination of scheduling of radio resources subjected to inter cell interference. The methods involve identifying one or more radio resources which are subjected to inter-cell interference between a first cell and a second cell. The methods further involve deriving a respective service value related to service that could be provided in the respective first and second cell by use of the one or more radio resources. Further, transmissions in the one or more radio resources are controlled based on comparison of the service values, thus enabling inter-cell service value-based scheduling of the one or more radio resources, prioritizing services having the highest value per radio resource. | 09-04-2014 |
20140295884 | RADIO NETWORK NODE, A NETWORK MANAGEMENT NODE AND METHODS THEREIN - A method in a radio network node is disclosed for handling positioning data in a radio communications network, which radio network node serves a user equipment in a cell. The radio network node obtains positioning data from the user equipment, which positioning data is associated with a positioning measurement for positioning the user equipment. The radio network node associates the obtained positioning data with an on-going trace session of the user equipment. The radio network node then sends a trace record to a network management node, which trace record includes information associated with the positioning data. | 10-02-2014 |
20140308958 | Methods and Arrangements for Identifying a Neighbouring Base Station - A method in a base station ( | 10-16-2014 |
20140349695 | METHOD AND ARRANGEMENTS FOR SCHEDULING WIRELESS RESOURCES IN A WIRELESS NETWORK - The invention relates to a method for service aware scheduling of wireless resources in a wireless network. According to the inventive method, a service request for service delivery of a service type is received ( | 11-27-2014 |
20150023209 | Method and Arrangement for Optimization of Network Element Settings - The invention relates to method and arrangement for automated optimization of network element settings in a wireless network. For a first optimization state, a first forward triggering condition and a first range of network element settings, allowable in first network element settings optimization are determined. For a further automated optimization state, determining a further forward triggering condition, and a further range of network element settings, allowable in a further network element setting optimization. An initial set of network element settings is assigned to an initial automated optimization state. The first forward triggering condition is evaluated and a migration to the first automated optimization state is performed upon fulfillment of the first forward triggering condition. A further forward triggering condition is evaluated and a migration to a further automated optimization state is performed upon the further forward triggering condition. The migrating is repeated until reaching a final automated optimization state. | 01-22-2015 |
20150043386 | Self-Organizing Network Function Interaction - A set of reporting features are specified for implementation by lower-level Self-Optimizing Network (SON) functions to support the observation of network SON algorithms by high-level SON functions (e.g., OAM functions). The lower-level SON functions may be operative to adjust local parameters related to the network element serving area and/or capacity. The reported SON algorithm events and measurements can be defined such that they can be used by the higher-level SON function to resolve conflicts and control the lower-level SON functions. Some embodiments specify SON function reporting features and their configuration in the framework of the 3GPP defined Itf-N interface specification. | 02-12-2015 |