SYSTEM FOR GENERATING 3D IMAGES FOR IMAGE RECOGNITION BASED POSITIONING

    公开(公告)号:US20180373933A1

    公开(公告)日:2018-12-27

    申请号:US16062306

    申请日:2015-12-30

    Abstract: A method positioning user equipment including a camera for acquiring digital images, including: defining a three-dimensional model of an environment through points defined by a set of coordinates and a color information; the user equipment acquiring a query image by capturing, by the camera, a portion of the environment; estimating an initial camera parameters configuration of the camera; evaluating a similarity between the query image and an initial three-dimensional image obtained from the three-dimensional model of the environment as seen by a virtual camera having the initial camera parameters configuration; modifying a camera parameters configuration of the virtual camera to increase similarity between the initial three-dimensional image and the query image up to a predetermined value; and generating an additional three-dimensional image based on the three-dimensional model of the environment, obtained from the three-dimensional model of the environment as seen by a modified virtual camera having the modified camera parameters configuration.

    METHOD AND SYSTEM FOR TRAFFIC ANALYSIS

    公开(公告)号:US20210227347A1

    公开(公告)日:2021-07-22

    申请号:US15734090

    申请日:2019-06-19

    Abstract: A method includes predicting the number of users of user terminals gathering in a target area within a region on a first day. The method includes collecting records relating to user terminals positioning data, and partitioning a portion of the region of interest into an intermediate area surrounding the target area and an external area which surrounds the intermediate area. For each observation time slot, a first term indicative of the number of user terminals moving from the external area to the intermediate area are calculated during said observation time slot based, a second term indicative of user terminals which, during a reference day preceding the first day, moved from the external area to the intermediate area is calculated, and the difference between said first term and said second term is calculated. The number of new user terminals which entering the target area is predicted based on the difference.

    POSITIONING METHOD AND SYSTEM FOR WIRELESS COMMUNICATION NETWORKS

    公开(公告)号:US20170219681A1

    公开(公告)日:2017-08-03

    申请号:US15514932

    申请日:2014-09-29

    CPC classification number: G01S5/0252 G01S5/0278 G01S19/42 H04W64/00

    Abstract: A method of identifying a position of a user equipment within a wireless communication network includes: a) providing expected radio signal strengths produced by at least one radio communication station on each of plural elementary area elements in which a geographic area is subdivided; b) defining an initial attenuation experienced by the radio signals to the user equipment whose position is to be identified; c) obtaining measured radio signal strength measurements of the radio signals provided to the user equipment whose position is to be identified; d) determining an estimated elementary area element corresponding to the position of the user equipment whose position is to be identified based on the expected radio signal strengths, the initial attenuation and the radio signal strength measurements, and e) computing a final attenuation based on the estimated elementary area element. The operations b)-e) are iterated at least twice.

    CELLULAR COMMUNICATION SYSTEM FEATURING SON FUNCTIONALITY

    公开(公告)号:US20240064531A1

    公开(公告)日:2024-02-22

    申请号:US18259315

    申请日:2021-12-20

    CPC classification number: H04W24/02 H04W24/08 H04W84/18

    Abstract: A method for configuring a cellular network comprising a plurality of network cells. The method comprises:



    monitoring, during a monitoring time period, a performance indicator of each network cell for each one of a plurality of monitoring time intervals of said monitoring time period;
    determining a plurality of sets of measured signal levels, wherein each set of measured signal levels is associated with a respective territorial portion of a geographic area covered by the cellular network, and wherein each measured signal level of each set of measured signal levels is associated with a respective measured network cell, among the plurality of network cells, at least partially within that territorial portion, with a respective cell configuration of said measured network cell, and with a respective monitoring time interval;
    determining, for each measured network cell, a simulated signal level being indicative of an expected signal level for that measured network cell in the respective cell configuration;
    determining, for each measured network cell and for each monitoring time interval, a signal level deviation as a difference between the respective measured signal level and the respective simulated signal level;
    for a reference network configuration (RNC1) including, for each measured network cell, a respective reference cell configuration taken by that measured network cell after the monitoring time period:
    (i) determining, for each measured network cell, a reference simulated signal level indicative of an expected signal level for that measured network cell in the reference cell configuration;
    (ii) updating, for each monitoring time interval, each measured signal level according to the respective simulated signal level and to the respective signal level deviation;
    (iii) determining, for each measured network cell and for each monitoring time interval, an estimated performance indicator based on the respective performance indicator, on a number of sets of measured signal levels having at least one measured signal level associated with said measured network cell, and on the respective updated measured signal level, and
    configuring the cellular network according to the estimated performance indicators determined for the measured network cells.

    OPTIMIZATION OF THE CONFIGURATION OF A MOBILE COMMUNICATIONS NETWORK

    公开(公告)号:US20250159499A1

    公开(公告)日:2025-05-15

    申请号:US18838346

    申请日:2023-02-10

    Abstract: A method for adjusting network cell parameters in a self-organizing cellular mobile network using a data processing system. The method involves creating an Environment that simulates the network based on radio measurement data, network performance data, and electromagnetic field simulation. A Deep Reinforcement Learning (DRL) Agent interacts with this Environment to simulate the effects of parameter changes on network performance. The Environment calculates and returns a Reward to the DRL Agent, which is used to train the Agent and estimate Q-values. The DRL Agent selects actions based on a policy that balances greedy actions, random actions, and constrained random actions. If the DRL Agent violates a predetermined constraint, the Environment returns a penalizing Reward.

    CELLULAR COMMUNICATION SYSTEM FEATURING ADVANCED SON FUNCTIONALITY

    公开(公告)号:US20250062845A1

    公开(公告)日:2025-02-20

    申请号:US18724211

    申请日:2022-12-14

    Abstract: A method for configuring a cellular network including measuring values of at least one performance indicator over a plurality of time intervals, the plurality of time intervals comprising a current time interval and a plurality of historical time intervals; determining, for each historical time interval, a plurality of alternative network configurations; determining, for each alternative network configuration, simulated values of the at least one performance indicator; based on the measured historical and simulated values of the at least one performance indicator, determining, for each selected historical time interval, a best network configuration; based on the current and measured historical values of the at least one performance indicator, determining forecast values of the at least one performance indicator for a following time interval; based on the forecast values, predicting an optimal network configuration for the following time interval and configuring the cellular network according to the predicted optimal network configuration.

    METHOD FOR DEACTIVATING A CELL SITE IN A CELLULAR COMMUNICATION SYSTEM

    公开(公告)号:US20230009705A1

    公开(公告)日:2023-01-12

    申请号:US17783549

    申请日:2020-12-21

    Abstract: A cellular system includes cell sites, each having multiple cells. Each cell identifies a radio coverage area and includes communication equipment. A method for managing the cellular system includes determining, among the cell sites, a candidate cell site to be at least partially deactivated. The candidate cell includes at least one associated cell with a load factor below a threshold. Replacement cells are selected from other cell sites, where the replacement cells are adjacent to the candidate cell. A target geographical area enclosing the area of the candidate cell and that of the replacement cells is identified, and a transmission parameter for the target geographical area is determined. Communication equipment associated with the replacement cells is selected and configured based on the transmission parameter. Then the candidate cell monitors the transmission parameter in the target geographic area, and at least partially deactivates based on the monitoring.

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