Abstract: A system and method that utilize data from co-sited cells that transmit and receive data on frequencies that are licensed to different operators facilitate sharing cellular configuration and performance data without revealing proprietary data to competing operators. Detection of external interference is enhanced by data from different operators.

Abstract: A method for localizing interference uses data available to wireless communication networks to determine probabilities of a source of external interference being located at a plurality of predetermined locations.

Abstract: A method for coordinating execution of functions within a self-organizing network is disclosed, the network including a plurality of network parameters, a controller, a locking mechanism having a processor and a memory and being in communication with the controller, and a plurality of modules configured for operating on the network parameters, wherein each of the plurality of modules is assigned a corresponding priority. The method includes receiving a request from at least one of the modules for a lock, and providing the lock to the module having a highest priority level relative to the plurality of modules that requested a lock. The method further includes receiving a request at the locking mechanism from the module having the lock, and enabling the module having the lock to make changes to a network parameter of the plurality of network parameters, wherein the changes include at least one of steady-state changes, transient changes, and provisional changes.

Abstract: A method performed by a centralized controller in a wireless communications network, the method including identifying at least one mobile relay network element in a coverage area of the network, communicating with the at least one mobile relay network element, and dynamically adjusting at least one radio parameter of a corresponding one of the at least one mobile relay network element in response to a predetermined event.

Abstract: Interference caused by passive intermodulation (PIM) can be automatically detected at receivers in a wireless telecommunications network, and the accuracy of PIM detection can be increased by de-weighting or ignoring time slots in which non-PIM interference is detected at a target receiver.

Abstract: Neighbor tier relationships between cells or base stations in a wireless network may be accurately determined by projecting a plurality of points representing the cells or base stations into three dimensional space along with a reference point, creating a plurality of polygons between the plurality of points including the reference point, and removing lines connected to the reference point. Each remaining line represents a first tier neighbor relationship between the two points it connects.

Abstract: A method for running a Self Organizing Network (SON) module in a communication network provides an open Application Programming Interface (API) for a SON framework and executes the SON module. The SON module accesses the functionality of the SON framework using the API. The SON module may be built by a developer other than a SON system provider and may be loaded into the SON framework by an operator other than a SON system provider. Various restrictions may be imposed on the API to provide a useful interface while protecting the network.

Abstract: A method for a cellular telecommunications network includes selecting a target cell in the cellular telecommunications network, retrieving automatic neighbor relations (ANR) data including neighbor cell list information for a plurality of cells in the network, determining, from the ANR data, first and second cells that are neighbors to the target cell and use a same Physical Cell Identifier (PCI), and at least one of the first and second cells is an inbound neighbor to the target cell, determining that PCI confusion is present between the first and second cells with respect to the target cell, and resolving the PCI confusion.

Abstract: Systems and methods for dynamically targeting optimization of network elements in a network are described. In some embodiments, the systems and methods identify one or more network elements (e.g., cells) that are newly added to a network that is associated with currently running automated network optimization processes, optionally group the identified one or more network elements into temporary element lists that are based on shared parameters for the one or more network elements, compare the one or more network elements and/or the temporary element lists to element inclusion policies of the automated network optimization processes, and update the automated network optimization processes based on the comparison.

Abstract: A method for a cellular telecommunications network includes selecting first and second source cells that are co-sited cells associated with first and second antennas, respectively, identifying first neighbor cells of the first cell and second neighbor cells of the second cell, determining that an antenna feed for the second cell is feeding the first antenna by comparing locations of the first neighbor cells to a pointing direction of the first antenna.

Abstract: A process for determining neighbor tier relationships between cells in a wireless telecommunications network includes establishing a plurality of cell points, each cell point representing a cell of a plurality of cells in the wireless telecommunications network, forming a plurality of triangles, the vertices of each triangle of the plurality of triangles corresponding to respective cell points of the plurality of cell points, removing edges from a portion of the plurality of triangles, determining neighbor tier relationships between the plurality of cells using remaining triangle edges between the plurality of cell points, storing the neighbor tier relationships in a first memory, and using the neighbor tier relationships for handovers between the plurality of cells.

Abstract: A method for synchronizing times across a plurality of base stations in a frequency division duplexing (FDD) wireless communications network includes receiving, at a plurality of base stations in the network, at least one timing reference signal associated with an external time reference, comparing the timing reference signal to internal clock times of the plurality of base stations, receiving an instruction to perform an activity at a time relative to Coordinated Universal Time (UTC), and performing the activity, by the plurality of base stations, at the time relative to UTC.

Abstract: A method for a cellular telecommunications network includes performing a modulo operation on a physical cell identifier (PCI) of a target cell to determine a first PCI mod value, determining first tier neighbors of the target cell, determining that at least one of the first tier neighbors uses a PCI that has a PCI mod value that is the same as the first PCI mod value, comparing a number of handover attempts between the target cell and the at least one first tier neighbor with the first PCI mod value to a first threshold value, and when the number of handover attempts exceeds the threshold value, replacing the PCI of the target cell with a PCI with a second PCI mod value different from the first PCI mod value.

Abstract: A method for handling a jamming signal in a wireless network includes obtaining network measurement data on a wireless network performance, the network measurement data collected by a wireless network element. A first performance information on the wireless network performance is derived based on the network measurement data obtained. The first performance information is examined with respect to a predefined value. An alert is issued to indicate a presence of a potential jamming signal based on a result of the examination of the first performance information.

Abstract: A method for running a Self Organizing Network (SON) module in a communication network provides an open Application Programming Interface (API) for a SON framework and executes the SON module. The SON module accesses the functionality of the SON framework using the API. The SON module may be built by a developer other than a SON system provider and may be loaded into the SON framework by an operator other than a SON system provider. Various restrictions may be imposed on the API to provide a useful interface while protecting the network.

Abstract: A method that identifies user equipment (UE) in both idle mode and connected mode in a cellular network is performed when an indication of an emergency situation is received. The method can identify all UEs within a geofenced area. The geofenced area can be an arbitrary shape that is automatically or manually created. The emergency system receives unique identities of UEs in the geofenced area that are provided when the location area identifier value is changed.

Abstract: In a telecommunications network in which a wireless backhaul between a base station and a small cell is present, handover and cell selection parameters may take the strength of the wireless backhaul into account in order to optimize spectral efficiency, and to steer cells towards a small cell or a macro cell.

Abstract: A method that identifies user equipment (UE) in both idle mode and connected mode in a cellular network is performed when an indication of an emergency situation is received. The method can identify all UEs within a geofenced area. The geofenced area can be an arbitrary shape that is automatically or manually created. The emergency system receives unique identities of UEs in the geofenced area that are provided when the location area identifier value is changed.

Abstract: A method for running a Self Organizing Network (SON) module in a communication network provides an open Application Programming Interface (API) for a SON framework and executes the SON module. The SON module accesses the functionality of the SON framework using the API. The SON module may be built by a developer other than a SON system provider and may be loaded into the SON framework by an operator other than a SON system provider. The SON module may be implemented as a state machine.

Abstract: A method for a cellular telecommunications network includes selecting first and second source cells that are co-sited cells associated with first and second antennas, respectively, identifying first neighbor cells of the first cell and second neighbor cells of the second cell, determining that an antenna feed for the second cell is feeding the first antenna by comparing locations of the first neighbor cells to a pointing direction of the first antenna.