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    • 2. 发明申请
    • METHOD FOR THE PREDICTION OF COVERAGE AREAS OF A CELLULAR NETWORK
    • 用于预测细胞网络覆盖区域的方法
    • WO2012089268A1
    • 2012-07-05
    • PCT/EP2010/070923
    • 2010-12-30
    • TELECOM ITALIA S.p.A.LANZO, RobertoSTOLA, Loris PaoloLEONI, Alessandro
    • LANZO, RobertoSTOLA, Loris PaoloLEONI, Alessandro
    • H04W16/18
    • H04W16/24H04W16/18H04W16/22
    • A method (200,300,600) is proposed for predicting coverage area of a radiocommunications network including a plurality of network cells distributed over a geographic area. The method includes calculating (205,305,605,210-225) by simulation an irradiated electromagnetic field irradiated by a radio base station of the network in a plurality of measure locations within the geographic area corresponding to respective expected positions of a user terminal. Said calculating (205,305,605,210-225) comprises, for each of said measure locations, calculating a basic transmission curve (205a) indicative of a basic attenuation of a radioelectric signal strength in the measure location, associating (205b,205c,305c,605c) to the basic transmission curve at least one correction factor for refining the radioelectric signal strength basic attenuation by taking account of shielding effects on the radioelectric signal strength due to obstacles to the propagation of the radioelectric signal. In the solution according to one or more embodiments of the present invention, the phase of associating (205b,205c,305c,605c) to the basic transmission curve at least one correction factor includes calculating (305b, 605b) for a measure elementary area which the measure location is associated thereto at least one equivalent volume parameter indicative of an equivalent volume of said obstacles taking into account a plurality of neighbor elementary areas in a prescribed neighborhood relationship to the measure elementary area, and calculating (305c,605c) an equivalent volume correction factor by associating each one of the at least one equivalent volume parameter to a corresponding parametric curve expressing the signal attenuation as a function of the respective at least one equivalent volume parameter.
    • 提出一种方法(200,300,600),用于预测包括分布在地理区域上的多个网络小区的无线电通信网络的覆盖区域。 该方法包括通过模拟在与用户终端的各个预期位置相对应的地理区域内的多个测量位置中的由网络的无线电基站照射的辐射电磁场的计算(205,305,605,210-225)。 所述计算(205,305,605,210-225)包括对于每个所述测量位置,计算指示测量位置中的放射电信号强度的基本衰减的基本传输曲线(205a),将(205b,205c,305c,605c)与 基本传输曲线至少有一个校正因子,用于通过考虑到由于对于放射电信号的传播的障碍而产生的放射电信号强度的屏蔽效应,来提高放大电信号的强度基本衰减。 在根据本发明的一个或多个实施例的解决方案中,将至少一个校正因子与基本传输曲线相关联的相位(205b,205c,305c,605c)包括:对于测量基本区域计算(305b,605b) 测量位置与其相关联的至少一个等效体积参数指示所述障碍物的等效体积,考虑与测量基本区域在规定的邻域关系中的多个相邻基本区域,并且计算(305c,605c)等效体积 通过将所述至少一个等效体积参数中的每一个与表示所述信号衰减的相应参数曲线相关联,作为所述相应的至少一个等效体积参数的函数。
    • 3. 发明申请
    • DIGITAL CARTOGRAPHY METHOD AND SYSTEM, COMPUTER PROGRAM PRODUCT THEREFOR
    • 数字卡通方法和系统,计算机程序产品
    • WO2008071221A1
    • 2008-06-19
    • PCT/EP2006/012113
    • 2006-12-15
    • TELECOM ITALIA S.P.A.BOCCARDO, PieroLANZO, RobertoLEONI, AlessandroSTOLA, Loris, Paolo
    • BOCCARDO, PieroLANZO, RobertoLEONI, AlessandroSTOLA, Loris, Paolo
    • G06T7/00
    • G06K9/0063G06T7/70
    • A cartographic method and system for identifying elements upstanding from the ground in a territory, for use e.g. in planning, designing and managing mobile communication networks is based on an elevation model (e.g. GSDEM) wherein the territory is arranged in surface elements with associated corresponding global altitude values (h r (x)). Each global altitude value includes the altitude of the ground plus the altitude of any non-orographic element (building, tree, various types of man-made structures) possibly upstanding from the ground. The elevation model is subject to spatial filtering (102, 104, 106) for removing the low-frequency spatial components due to altitude variations of the ground to produce a filtered elevation model (FSDEM) related to a notionally flat ground surface, wherein the surface elements where non-orographic elements are present have associated filtered altitude values (h r flat (x)) representative of the altitude above the ground surface of the elements upstanding therefrom.
    • 用于识别在领土内从地面上直立的元件的制图方法和系统, 在规划,设计和管理移动通信网络中基于高程模型(例如,GSDEM),其中该区域被布置在具有相关联的对应全局高度值(h)的表面元素中。 每个全球高度值包括地面的高度以及可能从地面上直立的任何非人口元素(建筑物,树木,各种类型的人造结构)的高度。 高程模型经受空间滤波(102,104,106),用于由于地面的高度变化而移除低频空间分量,以产生与平坦的地面相关的滤波高程模型(FSDEM),其中表面 存在非人口元素的元素具有相关联的过滤高度值(h