Patent application number | Description | Published |
20130176973 | SYSTEMS AND METHODS FOR COORDINATING THE SCHEDULING OF BEAMFORMED DATA TO REDUCE INTERFERENCE - A system and method are disclosed for coordinating the scheduling of beamformed data to reduce interference in a wireless system. A first optimum phase adjustment is determined to increase the gain of an intended signal at a mobile device. A second optimum phase adjustment is determined to decrease the gain of interfering signals received at the mobile device. Using a phase adjustment map, a transmission is scheduled at a base station within wireless resources using the first optimum phase adjustment, at the same time an interfering base station is transmitting at the second optimum phase adjustment angle. Thus, signal strength is greatly improved while interference is greatly reduced, improving the efficiency of the wireless system. | 07-11-2013 |
20130203401 | METHOD AND APPARATUS FOR MEASURING MULTI-CELL DATA EFFICIENCY IN LINK ADAPTIVE WIRELESS NETWORKS - Network performance related to the evaluation of an interference reduction scheme may include measuring a signal strength value for a signal sent by at least one base station and received by a plurality of user equipment, calculating first signal strength ratios using the first signal strength value, converting the first signal strength ratio into first user equipment spectral efficiency values for each user equipment of the plurality of user equipment, and comparing the first spectral efficiency value to a second spectral efficiency value to evaluate a data efficiency metric associated with an interference reduction scheme that is running on the base station when the signal strength value is measured. | 08-08-2013 |
20130259012 | WIRELESS MULTI-SITE CAPACITY COORDINATION - Wireless multi-site capacity coordination includes calculating a total interference impact metric for a reference cell, determining a distribution of power resources for the reference cell and a plurality of neighboring cells, and allocating the power resources to sub-bands for the reference cell and the plurality of neighboring cells. Determining a distribution of power resources includes determining power resources to assign to sub-bands and assigning the determined power resources to sub-bands. | 10-03-2013 |
20130260777 | WIRELESS MULTI-SITE CAPACITY COORDINATION - Wireless multi-site capacity coordination includes calculating a total interference impact metric for a reference cell, determining a distribution of power resources for the reference cell and a plurality of neighboring cell is, and allocating the power resources: to sub-bands for the reference cell and the plurality of neighboring cells. Calculating the total interference impact metric may include determining a number of resources assigned to a reference cell within time period T, and calculating user equipment (UE) interference metrics for each UE attached to each of a plurality of neighboring cells which have UE which experiences interference from the reference cell attached. | 10-03-2013 |
20130286871 | METHOD AND SYSTEM FOR MEASURING AVAILABILITY IN A COMMUNICATIONS NETWORK - In a system for availability metrics for customer premises equipment (CPE), CPE includes a non-volatile memory and a timer. Service availability interruption events and time stamps associated with the events are recorded in the non-volatile memory and transmitted to a computing device, which calculates availability metrics based on the interruption events and time stamps from the non-volatile memory of the CPE. | 10-31-2013 |
20130315112 | SYSTEM AND METHODS FOR CELLULAR/SATELLITE NETWORK COEXISTENCE - A method for satellite and cellular network coexistence includes dividing a predetermined time period into a plurality of time slots, designating a first time as an active communication time for at least one antenna of a first base station, designating a second time slot as a silent time for the least one antenna, initiating RF transmissions from the at least one antenna and cellular devices attached to the at least one antenna during the first time slot, and terminating the RF transmissions from the at least one antenna and cellular devices attached to the at least one antenna prior to the start of the second time slot, wherein the at least one antenna does not transmit RF signals for the duration of the second time slot. | 11-28-2013 |
20130331114 | ADJACENT NETWORK AWARE SELF ORGANIZING NETWORK SYSTEM - A network resource device is associated with a first wireless network that is configured to provide wireless services in a first geographic area. The network resource device comprises a processor and a non-transitory computer readable medium with computer executable instructions stored thereon which, when executed by the processor, perform the following method: obtaining performance metrics data of a second wireless network, the second wireless network being configured to provide wireless communication services in a second geographic area that overlaps with the first geographic area; and changing a configuration parameter associated with the first wireless network based on the second performance data obtained in order to reduce interference generated by the first wireless network towards the second wireless network. | 12-12-2013 |
20130337800 | NEIGHBOR CELL INTERFERENCE ESTIMATION - A system for estimating interference on a cellular network includes a processor and a non-transitory computer readable medium with computer executable instructions stored thereon. The computer executable instructions perform the following method when executed by the processor: causing the processor to receive from a user equipment, first information indicating a strength of a signal received at the user equipment from an interfering base station; causing the processor to receive second information indicating an airlink utilization of the interfering base station; and causing the processor to process the first information and the second information according to an estimation function to produce an interference estimate. | 12-19-2013 |
20140204766 | METHOD FOR DOWNLINK JAMMER DETECTION AND AVOIDANCE IN LONG-TERM EVOLUTION (LTE) NETWORKS - 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. | 07-24-2014 |
20140206279 | METHOD AND SYSTEM FOR INTELLIGENT JAMMING SIGNAL GENERATION - Detecting and jamming a wireless network using an intelligent jammer comprises determining that a signal source is an unlicensed signal source, synchronizing the intelligent jammer with the unlicensed signal source, determining a time and a frequency of a protocol signal associated with the unlicensed signal source, and transmitting a jamming signal according to the time and the frequency of the protocol signal. A system for detecting and jamming a wireless network comprises a first intelligent jammer, and an Intelligent Detection and Jamming Server (IDJS) coupled to the first intelligent jammer | 07-24-2014 |
20140206343 | METHOD FOR UPLINK JAMMER DETECTION AND AVOIDANCE IN LONG-TERM EVOLUTION (LTE) NETWORKS - A method for handling a jamming signal in a wireless network includes obtaining network measurement data collected by a wireless network element. A first performance information relating to a Key Performance Indicator, data collected during a quiet time, or a report on a bogus Physical Random Access Channel signal, or a combination thereof, is selected from the network measurement data. The first performance information is examined with respect to a first reference information. An action is initiated if the examination of the first performance information indicates the presence of a potential jamming signal. | 07-24-2014 |
20140213263 | SYSTEM AND METHOD FOR SCRAMBLING CODE ASSOCIATION - A process for associating a cell with a detected scrambling code in a cellular communications network includes receiving cell data associated with the detected scrambling code, determining a set of candidate cells within a predetermined area, evaluating characteristics of each candidate cell of the set of candidate cells, and associating a cell identifier of a first candidate cell of the set of candidate cells with the detected scrambling code based on the evaluated characteristics. | 07-31-2014 |
20140269382 | METHOD FOR TRACKING AND UTILIZING OPERATIONAL RUN TIME OF A NETWORK ELEMENT - Techniques for normalizing a performance metric in a wireless communication network include collecting operation data of a network element over a plurality of data collection time periods, determining operational run time of the network element based on the operation data, calculating a normalization value based on the operational run time, and normalizing the performance metric for the network element using the normalization value. | 09-18-2014 |
20140287768 | DYNAMICALLY TARGETING OPTIMIZATION OF NETWORK ELEMENTS - 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. | 09-25-2014 |
20140293979 | METHOD AND APPARATUS FOR SELF ORGANIZING NETWORKS - 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. | 10-02-2014 |
20140301216 | UPLINK INTERFERENCE DETECTION USING TRANSMISSION MATRICES - Identifying interference in a cellular network may include creating an interference neighbor list for a target base station that includes a plurality of neighboring base stations, determining a plurality of quiet resource blocks common to the plurality of neighboring base stations and the target base station, and analyzing signals received at the target base station during the plurality of quiet resource blocks. Whether to modify uplink transmission schedules, and the extent of modification, may be determined based on traffic levels. | 10-09-2014 |
20140302796 | DOWNLINK INTERFERENCE DETECTION USING TRANSMISSION MATRICES - A method of detecting downlink interference in a communications system may include selecting a set of user equipment for measuring interference and generating a downlink interference neighbor list for some or all of the user equipment in the set. Empty resource blocks that are common to base stations on each downlink interference neighbor list are identified, and signals that are received by the set of user equipment during the empty resource blocks are analyzed to detect interference. Certain aspects of the method may be practiced before or after an interference detection period. A system for detecting downlink interference is also provided. | 10-09-2014 |
20140335879 | INTERFERENCE DETECTION WITH UE SIGNAL SUBTRACTION - Interference may be detected in a cellular network by receiving signals at a target base station in a quiet resource block in which no uplink transmissions to the target base station are scheduled to occur, identifying a plurality of user equipment attached to base stations neighboring a target base station as interfering user equipment, reconstructing signals transmitted by the interfering user equipment, removing the reconstructed signals from the signals received by the target base station in the quiet resource block, and determining interference in the signals from which the reconstructed signals are removed. Detected interference data can be used to create an interference cancelling receiver. | 11-13-2014 |
20150016289 | METHOD AND SYSTEM FOR PROXY BASE STATION - A method for a proxy base station includes analyzing current network parameters, determining parameters for the proxy base station based on the analyzed network parameters, and transmitting the determined parameters for the proxy base station to an actual base station of the network. | 01-15-2015 |
20150016429 | COOPERATIVE INTERFERENCE SUBTRACTION SCHEME - A cooperative interference subtraction scheme includes receiving a first baseband signal including an interference signal at a first base station, receiving a second baseband signal including the interference signal at a second base station, calculating a channel translation parameter based on the first baseband signal and the second baseband signal, receiving a signal including a user equipment (UE) transmission at the first base station during a first time slot, and subtracting interference from the signal including the UE transmission using the channel translation parameter. | 01-15-2015 |
20150052251 | SYSTEM AND METHOD FOR MANAGING MULTI-PROCESS PRIORITY AND PARAMETER CONFLICT IN A SELF ORGANIZING NETWORK CONTROLLER - A method for managing multiple processes simultaneously in a communications network includes running a first application controlling a parameter of a network element, launching a second application, comparing a priority of the first application to a priority of the second application to determine a higher priority application and a lower priority application, determining a common parameter affected by the first application and the second application, writing data from the higher priority application to a current record, writing data from the lower priority application to a master record, and updating the common parameter based on the data written by the higher priority application to the current record. | 02-19-2015 |
20150079990 | METHOD AND SYSTEM FOR AUTOMATIC NEIGHBOR RELATIONS IN MULTI-VENDOR HETEROGENEOUS NETWORK - A method includes comparing a vendor of a base station of the source cell to a vendor of the a base station of the target cell, when the vendor of the base station of the source cell is different from the vendor of the base station of the target cell, determining a second cell identifier used by the vendor of the base station of the target cell to identify the target cell, comparing the second cell identifier to a first cell identifier used by a vendor of the source base station to identify the target cell, and replacing one of the first and second cell identifiers with the other of the first and second cell identifiers. | 03-19-2015 |