WO2014139377A1

WO2014139377A1 - Method and device for monitoring road flow

Info

Publication number: WO2014139377A1
Application number: PCT/CN2014/073082
Authority: WO
Inventors: 杨凡
Original assignee: 华为技术有限公司
Priority date: 2013-03-14
Filing date: 2014-03-07
Publication date: 2014-09-18
Also published as: CN103208189B; CN103208189A

Abstract

Disclosed are a method and device for monitoring road flow. The method comprises: acquiring an activation set cell of at least one target communication device, wherein the target communication device is a communication device located in a vehicle; selecting a target locating point of each target communication device from road locating points and using the target locating point as the location of the target communication device in the road; the cell of the target locating point assembling the locating points that have the highest coincidence degree with the activation set cell of the target communication device; and monitoring the flow of the road in accordance with the location of the at least one target communication device in the road. Accordingly, also provided is a device for monitoring road flow. The embodiments of the present invention can realize the flow monitoring of intelligent transportation with a low cost and high accuracy.

Description

一种监控道路流量方法及设备 Method and device for monitoring road flow

本申请要求于 2013 年 3 月 14 日提交中国专利局、申请号为 201310081200.X 、发明名称为 "一种监控道路流量方法及设备" 的中国专利申请的优先权，其全部内容通过引用结合在本申请中。 This application claims priority to Chinese Patent Application No. 201310081200.X, entitled "A Method for Monitoring Road Flows and Equipment", filed on March 14, 2013, the entire contents of which are incorporated by reference. In this application.

技术领域 Technical field

本发明涉及智能交通领域，尤其涉及一种监控道路流量方法及设备。背景技术 The invention relates to the field of intelligent transportation, and in particular relates to a method and a device for monitoring road traffic. Background technique

目前对于智能交通的流量监控，主要是通过部署在交通线路上的摄像头来监路段的流量，或者通过装在出租车上的车载 GPS设备来推测路段的流量。对于使用摄像头监控的方式，不仅需要安装大量的监控设备，还需要大量的存储设备来存储海量数据，使用成本高；对于车载 GPS的流量监控，一方面是需要笫三方面的 GPS数据，而且是一种抽样的方法，导致流量监控的准确度很低。 At present, the traffic monitoring of intelligent traffic mainly monitors the traffic of the road section through a camera deployed on the traffic line, or infers the traffic volume of the road section through the in-vehicle GPS device installed in the taxi. For the use of camera monitoring, not only need to install a large number of monitoring equipment, but also a large number of storage devices to store massive data, the use of high cost; for vehicle GPS traffic monitoring, on the one hand, it requires three aspects of GPS data, and A sampling method that results in low accuracy of traffic monitoring.

综上所述，目前的智能交通的流量监控技术实现的成本高且准确度很低。发明内容 In summary, the current intelligent traffic flow monitoring technology achieves high cost and low accuracy. Summary of the invention

本发明实施例提供了一种监控道路流量方法及设备，可以低成本、高准确度地实现智能交通的流量监控。 The embodiment of the invention provides a method and a device for monitoring road traffic, which can realize traffic monitoring of intelligent traffic with low cost and high accuracy.

笫一方面，本发明实施例提供一种一种监控道路流量方法，包括：获取至少一个目标通信设备的激活集小区，所述目标通信设备为位于车辆内的通信设备； In one aspect, an embodiment of the present invention provides a method for monitoring road traffic, including: acquiring an active set cell of at least one target communication device, where the target communication device is a communication device located in a vehicle;

从道路的定位点中选择出每个所述目标通信设备的目标定位点，并将所述目标定位点作为该目标通信 i殳备在所述道路中所处的位置；其中，所述目标定位点的小区集合与该目标通信设备的激活集小区重合度最高的定位点； Determining, from a positioning point of the road, a target positioning point of each of the target communication devices, and using the target positioning point as a location where the target communication device is located in the road; wherein, the target positioning An address point of the cell set of the point and the active set cell of the target communication device having the highest degree of coincidence;

根据所述至少一个目标通信设备在所述道路中所处的位置监控所述道路的流量。在笫一种可能的实现方式中，所述从道路的定位点中选择出每个所述目标通信设备的目标定位点，并将所述目标定位点作为该目标通信设备在所述道路中所处的位置之前，所述方法还包括： The traffic of the road is monitored based on the location of the at least one target communication device in the road. In a possible implementation manner, the target location point of each target communication device is selected from the location points of the road, and the target location point is used as the target communication device in the road. Before the location, the method further includes:

计算所述道路上的投影点的坐标值，所述投影点指预先指定的基站到所述道路的最短线路中所述道路上的位置点； Calculating a coordinate value of a projection point on the road, the projection point being a pre-designated base station to a position point on the road in a shortest route of the road;

计算所述道路中每个路段的投影点的平均坐标值，并将所述平均坐标值的位置点作为该路段的定位点，所述平均坐标值为该路段的所有投影点的坐标值的平均值； Calculating an average coordinate value of a projection point of each road segment in the road, and using a position point of the average coordinate value as an anchor point of the road segment, where the average coordinate value is an average of coordinate values of all projection points of the road segment Value

将每个路段的所有投影点对应的小区的集合作为该路段定位点的小区集合，所述投影点对应的小区是指离所述投影点距离最近的基站包含的隻盖所述投影点的小区。 The set of cells corresponding to all the projection points of each road segment is used as the cell set of the road segment positioning point, and the cell corresponding to the projection point refers to the cell included in the base station that is closest to the projection point and covers only the projection point. .

结合笫一方面的笫一种可能的实现方式，在笫二种可能的实现方式中，所述计算所述道路上的投影点的坐标值包括： In conjunction with one possible implementation of the aspect, in two possible implementations, the calculating coordinate values of the projection points on the road includes:

计算预先指定的基站到所述道路的最短线路中所述道路上的位置点的坐标值； Calculating a coordinate value of a pre-designated base station to a location point on the road in the shortest line of the road;

从所述预先指定的基站中选择出满足预设条件的基站到所述道路的最短线路中所述道路上的位置点作为所述道路的投影点； Selecting, from the pre-designated base station, a location point on the road in the shortest line of the base station that meets the preset condition to the road as a projection point of the road;

其中，所述预先条件为基站到所述道路的最短距离大于或者等于该基站的最大辐射半径。 The pre-condition is that the shortest distance from the base station to the road is greater than or equal to the maximum radiation radius of the base station.

结合笫一方面的笫一种可能的实现方式或者笫一方面的笫二种可能的实现方式，在笫三种可能的实现方式中，所述将每个路段的所有投影点对应的小区的集合作为该路段定位点的小区集合之后，所述方法还包括： In combination with one possible implementation of one aspect or two possible implementations of one aspect, in the three possible implementation manners, the set of cells corresponding to all projection points of each road segment After the cell set as the location point of the road segment, the method further includes:

选择出在预设周期内所述道路的每个定位点的定位通信设备，所述定位通信设备是指该定位点的小区集合与激活集小区重合度最高的通信设备； Selecting a positioning communication device for each positioning point of the road in a preset period, where the positioning communication device refers to a communication device with the highest aggregation of the cell set of the positioning point and the active set cell;

从每个定位点的定位通信设备的激活集小区中选择出该定位点的目标激活集小区，并将该目标激活集小区更新为该定位点的小区集合，所述目标激活集小区是指该定位点的定位通信设备的所有激活集小区中出现概率最高的激活集小区。 Selecting a target active set cell of the positioning point from an active set cell of the positioning communication device of each positioning point, and updating the target active set cell to a cell set of the positioning point, where the target active set cell refers to the The active set cell with the highest probability occurs in all active set cells of the positioning communication device of the positioning point.

结合笫一方面或者笫一方面的笫一种可能的实现方式或者笫一方面的笫二种可能的实现方式，在笫四种可能的实现方式中，所述获取至少一个目标通信设备的激活集小区，包括： a combination of one or the other, or a possible implementation The two possible implementation manners, in the four possible implementation manners, the acquiring the active set cell of the at least one target communication device includes:

获取每个所述目标通信设备的多个时间点的激活集小区； Acquiring an active set cell of multiple time points of each of the target communication devices;

所述从道路的定位点中选择出每个所述目标通信设备的目标定位点，并将所述目标定位点作为该目标通信设备在所述道路中所处的位置，包括： And selecting, by the location point of the road, a target location point of each of the target communication devices, and using the target location point as a location of the target communication device in the road, including:

从道路的定位点中选择出每个所述目标通信设备在每个所述时间点的目标定位点，并将所述目标定位点作为该时间点的该目标通信设备在所述道路中所处的位置； Selecting, from the positioning points of the road, a target positioning point of each of the target communication devices at each of the time points, and using the target positioning point as the target communication device at the time point in the road s position;

所述根据所述至少一个目标通信设备在所述道路中所处的位置监控所述道路的流量，包括： The monitoring, according to the location of the at least one target communication device in the road, the traffic of the road, including:

计算出所述至少一个目标通信设备在所述道路中的目标路段移动速度，并将所述移动速度作为所述目标路段中车辆行驶的速度，所述目标路段为两个所述目标定位点之间的路段；和 /或 Calculating a target road segment moving speed of the at least one target communication device in the road, and using the moving speed as a speed of the vehicle traveling in the target road segment, wherein the target road segment is two of the target positioning points Intersection; and/or

根据所述至少一个目标通信设备在所述道路中所处的位置，计算出所述道路中每个路段中车辆的数量。 The number of vehicles in each of the road segments is calculated based on the location of the at least one target communication device in the road.

结合笫一方面的笫四种可能的实现方式，在笫五种可能的实现方式中，所述计算出所述至少一个通信在所述道路中的目标路段移动速度，并将所述移动速度作为所述目标路段中车辆行驶的速度，包括： In combination with the four possible implementations of the first aspect, in the five possible implementation manners, the calculating a target road segment moving speed of the at least one communication in the road, and using the moving speed as The speed at which the vehicle travels in the target road segment includes:

从所述至少一个目标通信设备中选择出目标定位点为所述道路中位置连续的定位点的笫一通信设备； Selecting, from the at least one target communication device, a first communication device whose target location point is a continuous location point in the road;

计算出所述笫一通信设备在所述道路中的目标路段移动速度，并将所述移动速度作为所述目标路段中车辆行驶的速度。 Calculating a target road segment moving speed of the first communication device in the road, and using the moving speed as a speed at which the vehicle travels in the target road segment.

笫二方面，本发明实施例提供一种监控道路流量设备，包括：获取单元、笫一选择单元和监控单元，其中： The second embodiment of the present invention provides a device for monitoring road traffic, including: an acquiring unit, a selecting unit, and a monitoring unit, where:

所述获取单元，用于获取至少一个目标通信设备的激活集小区，所述目标通信设备为位于车辆内的通信设备； The acquiring unit is configured to acquire an active set cell of at least one target communication device, where the target communication device is a communication device located in the vehicle;

所述笫一选择单元，用于从道路的定位点中选择出每个所述目标通信设备的目标定位点，并将所述目标定位点作为该目标通信设备在所述道路中所处的位置；其中，所述目标定位点的小区集合与该目标通信设备的激活集小区重合度最高的定位点； The first selection unit is configured to select a target positioning point of each target communication device from the positioning points of the road, and use the target positioning point as a location of the target communication device in the road Wherein the cell set of the target positioning point coincides with the active set cell of the target communication device The highest degree of positioning;

所述监控单元，用于根据所述至少一个目标通信设备在所述道路中所处的位置监控所述道路的流量。 The monitoring unit is configured to monitor traffic of the road according to a location of the at least one target communication device in the road.

在笫一种可能的实现方式中，所述设备还包括： In a possible implementation manner, the device further includes:

笫一计算单元，用于计算所述道路上的投影点的坐标值，所述投影点指预先指定的基站到所述道路的最短线路中所述道路上的位置点； a first calculating unit, configured to calculate a coordinate value of a projection point on the road, where the projection point refers to a position point on the road in a shortest line of the pre-designated base station to the road;

笫二计算单元，用于计算所述道路中每个路段的投影点的平均坐标值，并将所述平均坐标值的位置点作为该路段的定位点，所述平均坐标值为该路段的所有投影点的坐标值的平均值； a second calculating unit, configured to calculate an average coordinate value of a projection point of each road segment in the road, and use a position point of the average coordinate value as an positioning point of the road segment, where the average coordinate value is all of the road segment The average of the coordinate values of the projection points;

确定单元，用于将每个路段的所有投影点对应的小区的集合作为该路段定位点的小区集合，所述投影点对应的小区是指离所述投影点距离最近的基站包含的且覆盖所述投影点的小区。 a determining unit, configured to use a set of cells corresponding to all the projection points of each road segment as a cell set of the road segment positioning point, where the cell corresponding to the projection point refers to a base station that is closest to the projection point and covers the The cell of the projection point.

结合笫二方面的笫一种可能的实现方式，在笫二种可能的实现方式中，所述笫一计算单元还用于计算预先指定的基站到所述道路的最短线路中所述道路上的位置点的坐标值，以及从所述预先指定的基站中选择出满足预设条件的基站到所述道路的最短线路中所述道路上的位置点作为所述道路的投影点；其中，所述预先条件为基站到所述道路的最短距离大于或者等于该基站的最大辐射半径。 In conjunction with a possible implementation of the second aspect, in the two possible implementations, the first computing unit is further configured to calculate a pre-designated base station to the road in the shortest line of the road. a coordinate value of the location point, and a location point on the road in the shortest route from the base station that meets the preset condition to the road that is selected from the pre-designated base station as a projection point of the road; The precondition is that the shortest distance from the base station to the road is greater than or equal to the maximum radiation radius of the base station.

结合笫二方面的笫一种可能的实现方式或者笫二方面的笫二种可能的实现方式，在笫三种可能的实现方式中，所述 i殳备还包括： In combination with the two possible implementations of the second aspect or the two possible implementations of the second aspect, in the three possible implementation manners, the device further includes:

笫二选择单元，用于选择出在预设周期内所述道路的每个定位点的定位通信设备，所述定位通信设备是指该定位点的小区集合与激活集小区重合度最高的通信设备； a second selecting unit, configured to select a positioning communication device of each positioning point of the road in a preset period, where the positioning communication device refers to a communication device with the highest aggregation degree of the cell set of the positioning point and the active set cell ;

更新单元，用于从每个定位点的定位通信设备的激活集小区中选择出该定位点的目标激活集小区，并将该目标激活集小区更新为该定位点的小区集合，所述目标激活集小区是指该定位点的定位通信设备的所有激活集小区中出现概率最高的激活集小区。 An update unit, configured to select a target active set cell of the positioning point from an active set cell of the positioning communication device of each positioning point, and update the target active set cell to a cell set of the positioning point, where the target is activated The set cell refers to the active set cell with the highest probability of occurrence among all active set cells of the positioning communication device of the anchor point.

结合笫二方面或者笫二方面的笫二种可能的实现方式或者笫二方面的笫二种可能的实现方式，在笫四种可能的实现方式中，所述获取单元还用于获取每个所述目标通信设备的多个时间点的激活集小区； In combination with the two possible implementations of the second aspect or the second aspect, or the two possible implementations of the second aspect, in the four possible implementation manners, the obtaining unit is further configured to obtain An active set cell at a plurality of time points of each of the target communication devices;

所述笫一选择单元还用于从道路的定位点中选择出每个所述目标通信设备在每个所述时间点的目标定位点，并将所述目标定位点作为该时间点的该目标通信设备在所述道路中所处的位置； The first selection unit is further configured to select, from the positioning points of the road, a target positioning point of each of the target communication devices at each of the time points, and use the target positioning point as the target at the time point. The location of the communication device in the road;

所述监控单元还用于计算出所述至少一个目标通信设备在所述道路中的目标路段移动速度，并将所述移动速度作为所述目标路段中车辆行驶的速度，所述目标路段为两个所述目标定位点之间的路段；和 /或，根据所述至少一个目标通信设备在所述道路中所处的位置，计算出所述道路中每个路段中车辆的数量。 The monitoring unit is further configured to calculate a target road segment moving speed of the at least one target communication device in the road, and use the moving speed as a speed of the vehicle traveling in the target road segment, where the target road segment is two a segment between the target location points; and/or, based on a location of the at least one target communication device in the road, calculating a number of vehicles in each of the road segments.

结合笫二方面的笫四种可能的实现方式，在笫五种可能的实现方式中，所述监控单元还用于从所述至少一个目标通信设备中选择出目标定位点为所述道路中位置连续的定位点的笫一通信设备，以及计算出所述笫一通信设备在所述道路中的目标路段移动速度，并将所述移动速度作为所述目标路段中车辆行驶的速度。 In combination with the four possible implementations of the second aspect, in the five possible implementation manners, the monitoring unit is further configured to select a target positioning point from the at least one target communication device as the location in the road a first communication device of consecutive positioning points, and calculating a target road segment moving speed of the first communication device in the road, and using the moving speed as a speed of the vehicle traveling in the target road segment.

上述技术方案中，获取至少一个目标通信设备的激活集小区，所述目标通信设备为位于车辆内的通信设备；从道路的定位点中选择出每个所述目标通信设备的目标定位点，并将所述目标定位点作为该目标通信设备在所述道路中所处的位置；所述目标定位点的小区集合与该目标通信设备的激活集小区重合度最高的定位点；根据所述至少一个目标通信设备在所述道路中所处的位置监控所述道路的流量。通信设备和小区都是现有的，这样就不需要额外增加成本，且目前每个车辆内都会存在通信设备，这样就可以监控到每个车辆，从而可以低成本、高准确度地实现智能交通的流量监控。附图说明 In the above technical solution, acquiring an active set cell of at least one target communication device, where the target communication device is a communication device located in the vehicle; selecting a target positioning point of each target communication device from the location points of the road, and Determining, by the target location point, a location where the target communication device is located in the road; a location set of the target location point and an activation set cell of the target communication device having the highest degree of convergence; according to the at least one The target communication device monitors the traffic of the road at a location in the road. Communication equipment and residential areas are both existing, so that no additional cost is required, and communication equipment is present in each vehicle, so that each vehicle can be monitored, thereby realizing intelligent transportation with low cost and high accuracy. Traffic monitoring. DRAWINGS

为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要^的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。 In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings of the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any creative work.

图 1是本发明实施例提供的一种监控道路流量方法的流程示意图；图 2是本发明实施例提供的一种监控道路流量方法的流程示意图；图 3是本发明实施例提供的一种可选的小区投影点的示意图； 1 is a schematic flowchart of a method for monitoring road traffic according to an embodiment of the present invention; 2 is a schematic flowchart of a method for monitoring road traffic according to an embodiment of the present invention; FIG. 3 is a schematic diagram of an optional cell projection point according to an embodiment of the present invention;

图 4是本发明实施例提供的一种监控道路流量设备的结构示意图；图 5是本发明实施例提供的另一种监控道路流量设备的结构示意图；图 6是本发明实施例提供的另一种监控道路流量设备的结构示意图。具体实施方式 4 is a schematic structural diagram of a device for monitoring road traffic according to an embodiment of the present invention; FIG. 5 is a schematic structural diagram of another device for monitoring road traffic according to an embodiment of the present invention; FIG. A schematic diagram of the structure of a road traffic monitoring device. detailed description

下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。 BRIEF DESCRIPTION OF THE DRAWINGS The technical solutions in the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative work are within the scope of the present invention.

图 1是本发明实施例提供的一种监控道路流量方法的流程示意图，如图 1 所示，包括： FIG. 1 is a schematic flowchart of a method for monitoring road traffic according to an embodiment of the present invention. As shown in FIG. 1 , the method includes:

101、获取至少一个目标通信设备的激活集小区，所述目标通信设备为位于车辆内的通信设备； 101. Acquire an activation set cell of at least one target communication device, where the target communication device is a communication device located in a vehicle;

102、从道路的定位点中选择出每个所述目标通信设备的目标定位点，并将所述目标定位点作为该目标通信设备在所述道路中所处的位置；其中，所述目标定位点的小区集合与该目标通信设备的激活集小区重合度最高的定位点； 102. Select, from a positioning point of the road, a target positioning point of each of the target communication devices, and use the target positioning point as a location of the target communication device in the road; wherein, the target positioning An address point of the cell set of the point and the active set cell of the target communication device having the highest degree of coincidence;

103 根据所述至少一个目标通信设备在所述道路中所处的位置监控所述道路的流量。 103 monitors traffic of the road based on the location of the at least one target communication device in the road.

可选的，上述目标通信设备可以是移动通信设备，例如：手机、平板电脑、笔记本等。还可以是固定在车辆上的通信设备。 Optionally, the foregoing target communication device may be a mobile communication device, such as: a mobile phone, a tablet computer, a notebook, or the like. It can also be a communication device that is fixed to the vehicle.

可选的，上述道路可以是一个或者多个道路。 Alternatively, the road may be one or more roads.

可选的，监控所述道路的流量可以包括： Optionally, monitoring traffic of the road may include:

监控道路上车辆的数量和状态（例如：行驶的速度等）。 Monitor the number and status of vehicles on the road (eg speed of travel, etc.).

可选的，本发明实施例可以应用于任一用于监控道路流量的设备。 Optionally, the embodiments of the present invention can be applied to any device for monitoring road traffic.

上述技术方案中，获取至少一个目标通信设备的激活集小区，所述目标通信设备为位于车辆内的通信设备；从道路的定位点中选择出每个所述目标通信设备的目标定位点，并将所述目标定位点作为该目标通信设备在所述道路中所处的位置；所述目标定位点为定位点的小区集合与该目标通信设备的激活集小区重合度最高的定位点；根据所述至少一个目标通信设备在所述道路中所处的位置监控所述道路的流量。通信设备和小区都是现有的，这样就不需要额外增加成本，且目前每个车辆内都会存在通信设备，这样就可以监控到每个车辆，从而可以低成本、高准确度地实现智能交通的流量监控。图 2是本发明实施例提供的另一种监控道路流量方法的流程示意图，如图 2所示，包括： In the above technical solution, acquiring an active set cell of at least one target communication device, where the target communication device is a communication device located in the vehicle; selecting a target positioning point of each target communication device from the location points of the road, and Using the target positioning point as the target communication device in the road a location of the target location point is a location point where the set of cells of the location point and the active set of the target communication device have the highest degree of coincidence; and the location of the at least one target communication device in the road is monitored The flow of the road. Communication equipment and residential areas are both existing, so that no additional cost is required, and communication equipment is present in each vehicle, so that each vehicle can be monitored, thereby realizing intelligent transportation with low cost and high accuracy. Traffic monitoring. 2 is a schematic flowchart of another method for monitoring road traffic according to an embodiment of the present invention. As shown in FIG. 2, the method includes:

201、计算所述道路上的投影点的坐标值，所述投影点指预先指定的基站到所述道路的最短线路中所述道路上的位置点。 201. Calculate a coordinate value of a projection point on the road, where the projection point refers to a position point on the road in a shortest route of the base station to the road specified in advance.

可选的，上述预先指定的基站可以是通信***中任一基站，且对基站的数量不作限定。上述最短线路可以是基站到道路的直线线路，且该直线线路与道路垂直。 Optionally, the foregoing predetermined base station may be any base station in the communication system, and the number of the base stations is not limited. The shortest line described above may be a straight line from the base station to the road, and the straight line is perpendicular to the road.

可选的，设基站的位置为 , 道路 i 的位置为 < road_i,(x₂, y₂),(x₃, y₃),/? > _? 则道路 i的直线方程可以表示为

, 设基站到道路的最短距离的 Alternatively the position of the base station is set, the position of the road i _{_{<road i, (x 2,}} y 2), (x 3, y 3), /?>? I is the linear equation can be expressed as the road

, set the shortest distance from the base station to the road

投影点的坐标为（^x4，y₄) , 则满足： y₄ _ y₂ = ^y3 _ ^y2 (χ₄ _ ) The coordinates of the projection point are ( ^x 4, y ₄ ), then satisfy: y ₄ _ y ₂ = ^y3 _ ^y2 (χ ₄ _ )

^Χ3 _ ^Χ 3 _

y₄ - Υι y₃ - y_{2 = 1} y ₄ - Υι y ₃ - y _{2 = 1}

X4 X X3 X4 X X3

根据上式可以求出基站在道路上的投影点的坐标值。 According to the above formula, the coordinate value of the projection point of the base station on the road can be obtained.

作为一种可选的实施方式，步骤 201可以包括： As an optional implementation manner, step 201 may include:

其中，所述预先条件为基站到所述道路的最短距离大于或者等于该基站的最大辐射半径。 The precondition is that the shortest distance from the base station to the road is greater than or equal to the base station. Maximum radiation radius.

可选的，如图 3所示，道路包含 Rl、 R2、 R3、 R4和 R5, 基站包含、 B、 C、 D、 E、 F和 G, 以基站 A为例进行说明，这样就可以计算出基站 A分别在上述道路中的投影点为 , A₂, A₃, A₄, A₅, 基站 A到各个投影点的距离分别为 ^{δ δ δ} ，，（，y₂), ，y₃)，（x₄，y₄), 分别为基站 A在各条道路上的投影点坐标。若 ^>r, r为基站 A的最大辐射半径，则去掉该投影点，基站 A在上述道路上的投影点就可以输出： Optionally, as shown in FIG. 3, the road includes R1, R2, R3, R4, and R5, and the base station includes, B, C, D, E, F, and G, and the base station A is taken as an example, so that the road can be calculated. The projection points of the base station A in the above road are respectively A ₂ , A ₃ , A ₄ , A ₅ , and the distances from the base station A to each projection point are ^{δ δ δ} , , ( , y ₂ ), , y ₃ ), respectively. (x ₄ , y ₄ ), respectively, the coordinates of the projection point of the base station A on each road. If ^>r , r is the maximum radiation radius of the base station A, the projection point is removed, and the projection point of the base station A on the above road can be output:

< cel _l , roadi ,(x_1? y_x) > < cel^ ₄ , road₄ ,(x₄, y₄) > < cell₂₂ , road₂ ,(¾, y₂) >< cel _l , roadi , (x _1? y _x ) >< cel^ ₄ , road ₄ , (x ₄ , y ₄ ) >< cell ₂₂ , road ₂ ,(3⁄4, y ₂ ) >

< cell₃3 , road₃， (x₃ , y₃ ) > 其中，基站 A包含小区 1、小区 2和小区 3上述∞11₁表示基站 A包含的小区 1在道路 R1上的小区范围，上述 cell₁₄表示基站 A包含的小区 1在道路 R4上的小区覆盖范围。 < cell ₃ 3 , road ₃ , (x ₃ , y ₃ ) > where the base station A includes the cell 1, the cell 2, and the cell 3. The above-mentioned ∞11 ₁ indicates the cell range of the cell 1 included in the base station A on the road R1, and the above cell ₁₄ denotes the cell coverage of the cell 1 included in the base station A on the road R4.

202、计算所述道路中每个路段的投影点的平均坐标值，并将所述平均坐标值的位置点作为该路段的定位点，所述平均坐标值为该路段的所有投影点的坐标值的平均值。 202. Calculate an average coordinate value of a projection point of each road segment in the road, and use a position point of the average coordinate value as an anchor point of the road segment, where the average coordinate value is a coordinate value of all projection points of the road segment. average value.

可选的，对于每条道路，设定位目标精度为 P, 以道路上的某一个目标点为起点设为以精度 P为步长，即该步长理解为上述路段，统计从到起点到步长范围内（即上述路段内）的投影点的集合，即统计 (^'^ + Ρ)内投影点的集合，设该集合为¹ 1 , 其中各个投影点的坐标为， ^y 。确定该路段的定位点为该路段内所有投影点的中心¹^设该中心的坐标为 d^), 即该路段定位点的坐标值，则满足：

Optionally, for each road, the set target target precision is P, and the target point of the road is used as the starting point to be set to the precision P step, that is, the step length is understood as the above road segment, and the statistics are from the start point to the start point. The set of projection points within the step size (ie, within the above-mentioned road segment), that is, the set of projection points in the statistics (^'^ + Ρ), set the set to ¹ 1 , where the coordinates of each projection point are, ^y . Determining the setpoint for the section of the center of all the projected points of the center segment ¹ is disposed ^ D ^ coordinates), i.e., the coordinate values of the segment setpoint is satisfied:

其中， ⁿ为集合中元素的个数，即该路段投影点的个数。 Where ⁿ is the number of elements in the set, that is, the number of projection points of the road segment.

203、将每个路段的所有投影点对应的小区的集合作为该路段定位点的 d、区集合，所述投影点对应的小区是指离所述投影点距离最近的基站包含的且覆盖所述影点的小区。 203. Set a cell corresponding to all the projection points of each road segment as a d and a region set of the road segment positioning point, where the cell corresponding to the projection point is included in a base station that is closest to the projection point and covers the The cell of the shadow point.

可选的，获取投影点对应的小区可以通过如下方式获取： Optionally, obtaining a cell corresponding to the projection point can be obtained by:

计算基站与投影点连线的方位角，假设为该基站包含的小区 ^eeUl , ^cell ₃的方位角分别为"，《 + 120 , α + 240 _; Calculating the azimuth of the connection between the base station and the projection point, which is assumed to be the cell ^eeU l included in the base station, The azimuth angle of ^cell ₃ is ", + 120 , α + 240 _;

判断该夹角 ^与"的关系； Judging the relationship between the angle ^ and ";

当《 - 1²0≤ ≤ « , 则确定 cell i为该投影点对应的小区； When " - 1 ² 0 ≤ ≤ « , it is determined that cell i is a cell corresponding to the projection point;

当"≤ ≤ « + 1²0 , 则确定 cell ₂为该投影点对应的小区；当《 + 120≤ ≤« + 240 , 则确定^∞11 3为该投影点对应的小区。 When "≤ ≤ « + 1 ² 0 , it is determined that cell ₂ is the cell corresponding to the projection point; when " + 120 ≤ ≤ « + 240 , it is determined that ^∞11 3 is the cell corresponding to the projection point.

可选的，投影点的信息可以可以<小区，道路， ( x4,y4 )〉的格式输出，如定为该投影点对应的小区，道路为 roadi，则可以输出 < ^eeU" '^road-^(x4' ^¾) >„ 可选的，在步骤 203之后，所述方法还包括： Optionally, the information of the projection point may be output in a format of <cell, road, (x4, y4)>, for example, the cell corresponding to the projection point, and the road is roadi, then < ^eeU "' ^road - ^(x4) may be output. ' ^3⁄4) > „Optionally, after step 203, the method further includes:

建立定位点与小区在道路上的映射关系。可以参考表示所示。 Establish a mapping relationship between the anchor point and the cell on the road. Can be referred to the representation shown.

表 1 Table 1

即，定位¹ ^与 ^CeU2 , 建立在道路上的映射关系， ^和¹^不作和平重复说明。 That is, locate ¹ ^ with ^CeU 2, establish a mapping relationship on the road, ^ and ¹ ^ do not make a peaceful repeat description.

需要说明的是，上述步骤 201至步骤 203都可以是预先执行的，实时监控道路车辆时，直接从步骤 204执行就可以。 It should be noted that all of the foregoing steps 201 to 203 may be performed in advance, and when the road vehicle is monitored in real time, it may be directly executed from step 204.

204、获取至少一个目标通信设备的激活集小区，所述目标通信设备为位于车辆内的通信设备。 204. Acquire an active set cell of at least one target communication device, where the target communication device is a communication device located in the vehicle.

作为一种可选的实施方式，步骤 204可以包括： As an optional implementation manner, step 204 may include:

从无线网絡日志中提取至少一个目标通信设备的激活集小区信息，以获取到所述至少一个目标通信设备的激活集小区。 The active set cell information of the at least one target communication device is extracted from the wireless network log to obtain an active set cell to the at least one target communication device.

可选的，上述激活集小区是指与目标通信设备台建立连接的小区的集合，或者目标通信设备能接收到信号的小区的集合。 Optionally, the foregoing active set cell refers to a set of cells that establish a connection with a target communication device station, or a set of cells that the target communication device can receive a signal.

205、从道路的定位点中选择出每个所述目标通信设备的目标定位点，并将所述目标定位点作为该目标通信设备在所述道路中所处的位置；其中，所述目标定位点的小区集合与该目标通信设备的激活集小区重合度最高的定位点；可选的，从道路的定位点中选择出每个所述目标通信设备的目标定位点可以通过如下方式选择： 205. Select, from a positioning point of the road, a target positioning point of each of the target communication devices, and use the target positioning point as a location of the target communication device in the road; wherein, the target positioning An address point of the cell set of the point and the active set cell of the target communication device having the highest degree of coincidence; Optionally, selecting a target location point of each of the target communication devices from the location points of the road may be selected as follows:

针对一个通信设备，通过如下公式计算目标通信设备的激活集小区与上述道路中每个定位点的小区集合的重合度：

For a communication device, the coincidence degree of the active set cell of the target communication device and the cell set of each of the above-mentioned roads is calculated by the following formula:

其中， sim为目标通信设备的激活集小区与定位点的小区集合的重合度， Where sim is the coincidence degree of the active set cell of the target communication device and the cell set of the anchor point,

^为目标通信设备的激活集小区，为某一个定位点的小区集合； ^ is the active set cell of the target communication device, which is a set of cells of a certain positioning point;

这样通过多次计算，即一个目标通信设备的激活集小区与多个定位点的小区集合进行计算，就可以计算出该目标通信设备的目标定位点。再通过上述方式就可以计算出上述至少一个目标通信设备的目标定位点。 In this way, through multiple calculations, that is, the active set cell of one target communication device and the small set of multiple anchor points are calculated, the target positioning point of the target communication device can be calculated. The target location point of the at least one target communication device can be calculated by the above method.

206、根据所述至少一个目标通信设备在所述道路中所处的位置监控所述道路的流量。 206. Monitor traffic of the road according to a location of the at least one target communication device in the road.

可选的，上述监控可以包括： Optionally, the foregoing monitoring may include:

监控道路上的车辆的数量、监控道路上的车辆的行驶速度等道路状况。作为一种可选的实施方式，步骤 204可以包括： Monitor road conditions such as the number of vehicles on the road and the speed of the vehicles on the road. As an optional implementation manner, step 204 may include:

步骤 205可以包括： Step 205 can include:

步骤 206可以包括： Step 206 can include:

可选的，例如上述目标路段为定位点和之间的路段，就可以通过上述至少一个目标通信设备中在目标定位点为定位点和的时间点的时差，这样就可以通过和之间的路段的距离除以至少一个目标通信设备中在目标定位点为定位点和的时间点的时差，以得到述至少一个目标通信设备在目标路段移动速度。 Optionally, for example, the target road segment is an anchor point and a road segment between the foregoing, and the foregoing The time difference between the target positioning point and the time point of the target point in the at least one target communication device, so that the distance between the road segment and the distance between the target communication device and the time point at which the target positioning point is the anchor point and at least one target communication device The time difference is obtained to obtain the moving speed of the at least one target communication device at the target road segment.

当然，这里还可以计算上述至少一个目标通信设备中每个一个通信设备在上述目标路段的移动速度，具体可能每个目标通信设备在在目标定位点为定位点和的时间点的时差，以及目标路段的距离，计算每个目标通信设备在目标路段的移动速度。 Of course, the moving speed of each of the at least one target communication device in the target road segment may be calculated, and the time difference between each target communication device at the target point and the time point of the target point and the target point may be calculated. The distance of the road segment calculates the moving speed of each target communication device on the target road segment.

可选的，上述计算出所述至少一个目标通信设备在所述道路中的目标路段移动速度，并将所述移动速度作为所述目标路段中车辆行驶的速度，可以包括：从所述至少一个目标通信设备中选择出目标定位点为所述道路中位置连续的定位点的笫一通信设备； Optionally, calculating the target road segment moving speed of the at least one target communication device in the road, and using the moving speed as the speed of the vehicle traveling in the target road segment, may include: from the at least one Selecting, by the target communication device, a first communication device whose target positioning point is a continuous positioning point in the road;

上述目标定位点为道路中位置连续的定位点的笫一通信设备可以是指，在时间点连续的目标定位点为道路中位置连续的定位点的笫一通信设备，例如，两个连续的时间点且通信设备 ^Ul在时间点^、 ^的目标定位点为^和，且定位点和¹ ^为上述道路中两个位置连接的定位点，这样就可以确定通信设备 ^Ui为笫一通信设备。即上述笫一通信设备为在某个时间段（即需要计算道路上车辆移动速度的时候）一直在上述道路中行驶的车辆上包含的通信设备。 The first communication device in which the target positioning point is a continuous positioning point in the road may be a first communication device in which the target positioning point at the time point is a continuous positioning point in the road, for example, two consecutive times. And the communication device ^U l is at the time point ^, ^ the target location point is ^ and , and the anchor point and ¹ ^ are the anchor points connected to the two locations in the road, so that the communication device ^U i can be determined as the first communication device. That is, the above-mentioned first communication device is a communication device included on a vehicle that has been traveling on the above road for a certain period of time (that is, when it is necessary to calculate the moving speed of the vehicle on the road).

可选的，上述计算出所述道路中每个路段中车辆的数量，可以通过在每个路段所包含的定位点所处的通信设备的数量，得到每个路段中车辆的数量。 Optionally, the number of vehicles in each road segment in the road is calculated, and the number of vehicles in each road segment can be obtained by the number of communication devices in which the positioning points included in each road segment are located.

可选的，下面以时间点、、以及通信设备 ^Ul、 ^U2为例进行举例说明，其中，通信设备 ^Ul、 ^U2在时间点、、、 ^的目标定位点如表 2所示： For example, the time points, and the communication devices ^U l and ^U 2 are taken as an example for example. The target locations of the communication devices ^U l and ^U 2 at time points, , and ^ are as shown in Table 2:

表 2: Table 2:

用户时间激活集小区定位点小区集合重合度定位点 User time activation set cell location point cell set coincidence degree anchor point

cell, celL celL cell celL celL t₂ celL celL cell₄ celL celL celL cell₄ Cell, celL celL cell celL celL t ₂ celL celL cell ₄ celL celL celL cell ₄

·> 0.75 ·> 0.75

u₂ t₃ celL celL cell₈ celL cell₈ u ₂ t ₃ celL celL cell ₈ celL cell ₈

6 ·> ' ·> 0.67 u₂ t₄ celL cell₉ celL celL cell₉ 6 ·>'·> 0.67 u ₂ t ₄ celL cell ₉ celL celL cell ₉

8 ·> ' ·> ⁸ ·> 0.67 R₄ u₂ t₅ celL celL cell₁₀ celL celL celL cell₁₀ 8 ·>'·> ⁸ ·> 0.67 R ₄ u ₂ t ₅ celL celL cell ₁₀ celL celL celL cell ₁₀

8 ·> , ^{11 8} ·> 0.75 «5 8 ·> , ^{11 8} ·> 0.75 «5

如上表 2所示，设通信设备 , 在不同的时间的激活集小区为上表中的激活集小区，通过计算定位点的小区集合与通信设备 ^Ui , 在不同的时间的激活集小区的重合度，选择出定位点的小区集合与通信设备 ^Ul , ^U2在不同的时间的激活集小区的重合度最大的定位点为该目标通信设备在该时间点的目标定位点，即得到通信设备¹^在的目标定位点分别为和¹^ 即通信设备在时间点的所处为位置分别为和得到通信设备在、的目标定位点分别为、 ^和¹^ 即通信设备在、、时间点的所处为位置分别为¹^ ^R4和¹^ As shown in Table 2 above, it is assumed that the active set cells at different times are the active set cells in the above table, and the cell sets of the anchor points are compared with the communication device ^U i , and the active set cells at different times are coincident. Degree, the cell set that selects the location point and the communication device ^U l , ^U 2 at the different time of the active set cell with the highest degree of coincidence is the target location of the target communication device at the time point, that is, the communication device is obtained. ¹ ^ The target location points are respectively ¹ ^, that is, the location of the communication device at the time point is and the target location of the communication device is , ^ and ¹ ^ respectively, ie, the communication device is at, time, The locations are ¹ ^ ^R 4 and ¹ ^

可选的，假设上述通信设备在时间序列 ' 'ti内在上述道路的移动速度分别为 ^νι' ，而该道路的交通流量的基准速度为 ^V。，则当 ^Vi ^≥V。时，可以将道路的交通流量的基准速度调整为 _Vi。此外，可以根据道路的交通状态动态调整 ^v。。 Optionally, it is assumed that the moving speed of the above-mentioned road in the time series ''ti) is ^ν ι', and the reference speed of the traffic flow of the road is ^V. , then when ^V i ^{≥ V} . At this time, the reference speed of the traffic flow of the road can be adjusted to _Vi . In addition, ^v can be dynamically adjusted according to the traffic state of the road. .

可选的，所述方法还可以包括： Optionally, the method may further include:

对于某一路段，当前在 ¹¹ "个目标通信设备的目标定位点在该路段，根据这些目标通信设备在时间序列内的移动速度 V和在该路段的基准速度 ^v。，确定当前路段的交通状况。设¹¹ "个通信设备中在前 k个时间点内的有个通信设备的速度满足 ^v≥v。，而这个目标通信设备在该路段的平均速度满足 ^{v < v}。，则可以确定该路段当前的交通状态不佳。位点的小区集合。即所述方法在步骤 203之后，还可以包括： For a certain road segment, the target positioning point of the current ¹¹ "target communication devices is in the road segment, and the traffic condition of the current road segment is determined according to the moving speed V of the target communication device in the time series and the reference speed ^v at the road segment. Let the speed of one communication device in the first k time points of ¹¹ "communication devices satisfy ^v≥v . And the average speed of the target communication device on the road segment satisfies ^{v < v} . , you can determine the current traffic condition of the road section is not good. A collection of cells of a locus. That is, after the step 203, the method may further include:

从每个定位点的定位通信设备的激活集小区中选择出该定位点的目标激活集小区，并将该目标激活集小区更新为该定位点的小区集合，所述目标激活集小区是指该定位点的定位通信设备的所有激活集小区中出现概率最高的激活集小区。 Selecting a target active set cell of the positioning point from an active set cell of the positioning communication device of each positioning point, and updating the target active set cell to a cell set of the positioning point, where the target active set cell refers to the The highest probability of occurrence in all active set cells of the positioning communication device of the positioning point Live community.

可选的，本发明实施例中，步骤 201、步骤 202和步骤 203可以是预先执行的，而该实施方式中的选择定位通信设备和更新定位点的小区集合的步骤可以是周期性的执行，例如，一天执行一次，而步骤 204、步骤 205和步骤 206 可以是实时执行，也可以是按照某一定周期或者指定时间点执行。即步骤步骤 204可以执行在选择定位通信设备和更新定位点的小区集合的步骤之前，也可以是在之后。 Optionally, in the embodiment of the present invention, the step 201, the step 202, and the step 203 may be performed in advance, and the step of selecting the positioning communication device and updating the cell set of the positioning point in the embodiment may be performed periodically. For example, it may be executed once a day, and step 204, step 205, and step 206 may be performed in real time, or may be performed according to a certain period or a specified time point. That is, step step 204 may be performed before or after the step of selecting a location communication device and updating the set of cells of the anchor point.

可选的，针对某一个定位点选择出定位点在预设周期内的定位通信设备的数量为 100, 但在实际中这 100个通信设备在目标定位点为定位点时的激活集小区所包含的小区可能会存在不同，例如，通信设备 ^Ui和通信设备在目标定位点为定位点时的激活集小区所包含的小区分别为⁰^ , , ^Cdl3 和 cell^ cell₂ , cell₃ , cell₄ , 且这 ₁₀₀个通信设备中在目标定位点为定位点时的激活集小区所包含的小区为^¹¹ , , ^Cdl3 , ^CeU4的概率最高时，例如 80%, 这样就可以将 ^CeUl , ^Cdl3 , ^CeU4为作定位点的目标激活集小区，再将该目标激活集小区更新为定位点的小区集合。 Optionally, the number of positioning communication devices that select an positioning point for a certain positioning point within a preset period is 100, but in practice, the 100 communication devices are included in the active set cell when the target positioning point is the positioning point. The cells may be different. For example, the communication device ^U i and the communication device include ⁰ ^ , ^Cdl 3 and cell ^ cell ₂ , cell ₃ , cell respectively when the target location point is the anchor point. _4, and _{the 100} communication device in the target setpoint for the active set cells at the anchor points contained in the cell is ^ ^{^11,,} ^Cdl 3, ^CeU probability of 4 maximum, for example 80%, which can be ^CeU l , ^Cdl 3 , ^CeU 4 is a target activated set cell for the anchor point, and then the target active set cell is updated to the set of cells of the anchor point.

上述技术方案中，在上面实施例的基础上增加了多种实现监控道路流量的实施方式，且都可以低成本、高准确度地实现智能交通的流量监控。下面为本发明装置实施例，本发明装置实施例用于执行本发明方法实施例一至二实现的方法，为了便于说明，仅示出了与本发明实施例相关的部分，具体技术细节未揭示的，请参照本发明实施例一和实施例二。图 4是本发明实施例提供的一种监控道路流量设备的结构示意图，如图 4 所示，包括：获取单元 31、笫一选择单元 32和监控单元 33, 其中： In the above technical solution, a plurality of implementation modes for realizing monitoring road traffic are added on the basis of the above embodiments, and the traffic monitoring of the intelligent traffic can be realized at low cost and high accuracy. The following is a device embodiment of the present invention. The device embodiment of the present invention is used to perform the method for implementing the first to second embodiments of the present invention. For the convenience of description, only parts related to the embodiment of the present invention are shown, and the specific technical details are not disclosed. Please refer to Embodiment 1 and Embodiment 2 of the present invention. FIG. 4 is a schematic structural diagram of a device for monitoring road traffic according to an embodiment of the present invention. As shown in FIG. 4, the method includes: an obtaining unit 31, a first selecting unit 32, and a monitoring unit 33, where:

获取单元 31, 用于获取至少一个目标通信设备的激活集小区，所述目标通信设备为位于车辆内的通信设备； The acquiring unit 31 is configured to acquire an active set cell of the at least one target communication device, where the target communication device is a communication device located in the vehicle;

笫一选择单元 32, 用于从道路的定位点中选择出每个所述目标通信设备的目标定位点，并将所述目标定位点作为该目标通信设备在所述道路中所处的位置；其中，所述目标定位点的小区集合与该目标通信设备的激活集小区重合度最高的定位点； The first selection unit 32 is configured to select a target positioning point of each of the target communication devices from the positioning points of the road, and use the target positioning point as a location of the target communication device in the road; The cell set of the target location point coincides with the active set cell of the target communication device. The highest degree of positioning;

监控单元 33, 用于根据所述至少一个目标通信设备在所述道路中所处的位置监控所述道路的流量。 The monitoring unit 33 is configured to monitor traffic of the road according to a location of the at least one target communication device in the road.

上述技术方案中，获取至少一个目标通信设备的激活集小区，所述目标通信设备为位于车辆内的通信设备；从道路的定位点中选择出每个所述目标通信设备的目标定位点，并将所述目标定位点作为该目标通信设备在所述道路中所处的位置；所述目标定位点为定位点的小区集合与该目标通信设备的激活集小区重合度最高的定位点；根据所述至少一个目标通信设备在所述道路中所处的位置监控所述道路的流量。通信设备和小区都是现有的，这样就不需要额外增加成本，且目前每个车辆内都会存在通信设备，这样就可以监控到每个车辆，从而可以低成本、高准确度地实现智能交通的流量监控。图 5是本发明实施例提供的另一种监控道路流量设备的结构示意图，如图 5所示，包括：笫一计算单元 41、笫二计算单元 42、确定单元 43、获取单元 44、笫一选择单元 45和监控单元 46, 其中： In the above technical solution, acquiring an active set cell of at least one target communication device, where the target communication device is a communication device located in the vehicle; selecting a target positioning point of each target communication device from the location points of the road, and Determining, by the target location point, a location where the target communication device is located in the road; the target location point is an location point where a cell set of the location point and a target set of the target communication device have the highest coincidence degree; The at least one target communication device monitors the traffic of the road at a location in the road. Communication equipment and residential areas are both existing, so that no additional cost is required, and communication equipment is present in each vehicle, so that each vehicle can be monitored, thereby realizing intelligent transportation with low cost and high accuracy. Traffic monitoring. FIG. 5 is a schematic structural diagram of another apparatus for monitoring road traffic according to an embodiment of the present invention. As shown in FIG. 5, the method includes: a first calculation unit 41, a second calculation unit 42, a determination unit 43, an acquisition unit 44, and a first unit. The selecting unit 45 and the monitoring unit 46, wherein:

笫一计算单元 41, 用于计算所述道路上的投影点的坐标值，所述投影点指预先指定的基站到所述道路的最短线路中所述道路上的位置点。 The first calculation unit 41 is configured to calculate a coordinate value of a projection point on the road, and the projection point refers to a position point on the road in the shortest route of the base station to the road specified in advance.

可选的，上述预先指定的基站可以是通信***中任一基站，且对基站的数量不作限定。 Optionally, the foregoing predetermined base station may be any base station in the communication system, and the number of the base stations is not limited.

可选的，笫一计算单元 41还可以用于计算预先指定的基站到所述道路的最短线路中所述道路上的位置点的坐标值，以及从所述预先指定的基站中选择出满足预设条件的基站到所述道路的最短线路中所述道路上的位置点作为所述道路的投影点；其中，所述预先条件为基站到所述道路的最短距离大于或者等于该基站的最大辐射半径。 Optionally, the first calculation unit 41 is further configured to calculate a coordinate value of a pre-designated base station to a location point on the road in the shortest route of the road, and select a pre-predetermined from the pre-designated base stations. a position point on the road in the shortest route of the conditional base station to the road as a projection point of the road; The pre-condition is that the shortest distance from the base station to the road is greater than or equal to the maximum radiation radius of the base station.

笫二计算单元 42, 用于计算所述道路中每个路段的投影点的平均坐标值，并将所述平均坐标值的位置点作为该路段的定位点，所述平均坐标值为该路段的所有影点的坐标值的平均值。 The second calculating unit 42 is configured to calculate an average coordinate value of a projection point of each road segment in the road, and use a position point of the average coordinate value as an positioning point of the road segment, where the average coordinate value is the road segment The average of the coordinate values of all the shadow points.

确定单元 43, 用于将每个路段的所有投影点对应的小区的集合作为该路段定位点的小区集合，所述投影点对应的小区是指离所述投影点距离最近的基站包含的且覆盖所述影点的小区。 a determining unit 43 is configured to use a set of cells corresponding to all the projection points of each road segment as a cell set of the road segment positioning point, where the cell corresponding to the projection point is included and covered by a base station that is closest to the projection point The cell of the shadow point.

获取单元 44, 用于获取至少一个目标通信设备的激活集小区，所述目标通信设备为位于车辆内的通信设备。 The obtaining unit 44 is configured to acquire an active set cell of the at least one target communication device, where the target communication device is a communication device located in the vehicle.

作为一种可选的实施方式，获取单元 44还可以用于从无线网絡日志中提取至少一个目标通信设备的激活集小区信息，以获取到所述至少一个目标通信设备的激活集小区。 As an optional implementation manner, the obtaining unit 44 is further configured to extract, from the wireless network log, the active set cell information of the at least one target communication device to obtain an active set cell to the at least one target communication device.

笫一选择单元 45, 用于从道路的定位点中选择出每个所述目标通信设备的目标定位点，并将所述目标定位点作为该目标通信设备在所述道路中所处的位置；其中，所述目标定位点的小区集合与该目标通信设备的激活集小区重合度最高的定位点。 a selection unit 45, configured to select a target positioning point of each of the target communication devices from the positioning points of the road, and use the target positioning point as a location of the target communication device in the road; The cell set of the target locating point has the highest locating point with the active set cell of the target communication device.

监控单元 46, 用于根据所述至少一个目标通信设备在所述道路中所处的位置监控所述道路的流量。 The monitoring unit 46 is configured to monitor traffic of the road according to a location of the at least one target communication device in the road.

监控道路上的车辆的数量、监控道路上的车辆的行驶速度等道路状况。作为一种可选的实施方式，获取单元 44还可以用于获取每个所述目标通信设备的多个时间点的激活集小区； Monitor road conditions such as the number of vehicles on the road and the speed of the vehicles on the road. As an optional implementation manner, the obtaining unit 44 may be further configured to acquire an active set cell of multiple time points of each of the target communication devices;

笫一选择单元 45还可以用于从道路的定位点中选择出每个所述目标通信设备在每个所述时间点的目标定位点，并将所述目标定位点作为该时间点的该目标通信设备在所述道路中所处的位置； The first selection unit 45 is further configured to select, from the positioning points of the road, a target positioning point of each of the target communication devices at each of the time points, and use the target positioning point as the target at the time point. The location of the communication device in the road;

监控单元 46还可以用于计算出所述至少一个目标通信设备在所述道路中的目标路段移动速度，并将所述移动速度作为所述目标路段中车辆行驶的速度，所述目标路段为两个所述目标定位点之间的路段；和 /或，根据所述至少一个目标通信设备在所述道路中所处的位置，计算出所述道路中每个路段中车辆的数量。 The monitoring unit 46 is further configured to calculate a target road segment moving speed of the at least one target communication device in the road, and use the moving speed as a speed of the vehicle traveling in the target road segment, where the target road segment is two a section between the target anchor points; and/or, according to the at least The number of vehicles in each of the road segments is calculated at a location where the target communication device is located in the road.

可选的，监控单元 46还可以用于从所述至少一个目标通信设备中选择出目标定位点为所述道路中位置连续的定位点的笫一通信设备；以及计算出所述笫一通信设备在所述道路中的目标路段移动速度，并将所述移动速度作为所述目标路段中车辆行驶的速度。 Optionally, the monitoring unit 46 is further configured to: select, from the at least one target communication device, a first communication device whose target positioning point is a continuous positioning point in the road; and calculate the first communication device The target road segment moves speed in the road, and the moving speed is taken as the speed at which the vehicle travels in the target road segment.

作为一种可选的实施方式，所述设备还可以包括： As an optional implementation manner, the device may further include:

笫二选择单元（附图中未画出），用于选择出在预设周期内所述道路的每个定位点的定位通信设备，所述定位通信设备是指该定位点的小区集合与激活集小区重合度最高的通信设备； a second selection unit (not shown in the drawing) for selecting a positioning communication device for each positioning point of the road in a preset period, where the positioning communication device refers to a cell collection and activation of the positioning point The communication device with the highest cell coincidence degree;

更新单元（附图中未画出），用于从每个定位点的定位通信设备的激活集小区中选择出该定位点的目标激活集小区，并将该目标激活集小区更新为该定位点的小区集合，所述目标激活集小区是指该定位点的定位通信设备的所有激活集小区中出现概率最高的激活集小区。 An update unit (not shown in the drawing), configured to select a target active set cell of the positioning point from an active set cell of the positioning communication device of each positioning point, and update the target active set cell to the positioning point The set of cells, the target active set cell refers to the active set cell with the highest probability of occurrence in all active set cells of the positioning communication device of the positioning point.

上述技术方案中，在上面实施例的基础上增加了多种实现监控道路流量的实施方式，且都可以低成本、高准确度地实现智能交通的流量监控。图 6是本发明实施例提供的另一种监控道路流量设备的结构示意图，如图 6所示，包括：存储器 51, 以及与存储连接的处理器 52, 存储器 51用于存储一组程序代码，处理器 52用于调用存储器 51存储的程序执行如下操作：获取至少一个目标通信设备的激活集小区，所述目标通信设备为位于车辆内的通信设备； In the above technical solution, a plurality of implementation modes for realizing monitoring road traffic are added on the basis of the above embodiments, and the traffic monitoring of the intelligent traffic can be realized at low cost and high accuracy. FIG. 6 is a schematic structural diagram of another apparatus for monitoring a road traffic according to an embodiment of the present invention. As shown in FIG. 6, the method includes: a memory 51, and a processor 52 connected to the storage, where the memory 51 is configured to store a set of program codes. The program used by the processor 52 to call the memory 51 performs the following operations: acquiring an active set cell of at least one target communication device, the target communication device being a communication device located in the vehicle;

根据所述至少一个目标通信设备在所述道路中所处的位置监控所述道路的流量。 The traffic of the road is monitored based on the location of the at least one target communication device in the road.

可选的，上述通信设备可以是移动通信设备，例如：手机、平板电脑、笔记本等。还可以是固定在车辆上的通信设备。可选的，上述道路可以是一个或者多个道路。 Optionally, the communication device may be a mobile communication device, such as a mobile phone, a tablet computer, a notebook, or the like. It can also be a communication device that is fixed to the vehicle. Alternatively, the road may be one or more roads.

在另一个可选的实施例中，处理器 52还可以用于执行如下操作：计算所述道路上的投影点的坐标值，所述投影点指预先指定的基站到所述道路的最短线路中所述道路上的位置点； In another optional embodiment, the processor 52 is further configured to: perform a coordinate value of a projection point on the road, where the projection point refers to a pre-designated base station to a shortest line of the road a location point on the road;

将每个路段的所有投影点对应的小区的集合作为该路段定位点的小区集合，所述投影点对应的小区是指离所述投影点距离最近的基站包含的隻盖所述投影点的小区； The set of cells corresponding to all the projection points of each road segment is used as the cell set of the road segment positioning point, and the cell corresponding to the projection point refers to the cell included in the base station that is closest to the projection point and covers only the projection point. ;

获取至少一个目标通信设备的激活集小区，所述目标通信设备为位于车辆内的通信设备； Acquiring at least one active set cell of the target communication device, the target communication device being a communication device located within the vehicle;

作为一种可选的实施方式，处理器 52执行的计算所述道路上的投影点的坐标值的操作可以包括： As an optional implementation manner, the operation performed by the processor 52 to calculate coordinate values of the projection points on the road may include:

作为一种可选的实施方式，处理器 52执行的获取至少一个目标通信设备的激活集小区的操作可以包括：从无线网絡日志中提取至少一个目标通信设备的激活集小区信息，以获取到所述至少一个目标通信设备的激活集小区。 As an optional implementation, the operation performed by the processor 52 to acquire the active set cell of the at least one target communication device may include: Extracting active set cell information of at least one target communication device from the wireless network log to obtain an active set cell to the at least one target communication device.

作为一种可选的实施方式，处理器 52执行的获取至少一个目标通信设备的激活集小区的操作可以包括： As an optional implementation manner, the operation performed by the processor 52 to acquire the active set cell of the at least one target communication device may include:

处理器 52执行的从道路的定位点中选择出每个所述目标通信设备的目标定位点，并将所述目标定位点作为该目标通信设备在所述道路中所处的位置的操作可以包括： The operation of selecting, by the processor 52, the target positioning point of each of the target communication devices from the positioning points of the road, and using the target positioning point as the location of the target communication device in the road may include :

处理器 52执行的根据所述至少一个目标通信设备在所述道路中所处的位置监控所述道路的流量的操作可以包括： The operation performed by the processor 52 to monitor the traffic of the road according to the location of the at least one target communication device in the road may include:

可选的，处理器 52执行的计算出所述至少一个通信在所述道路中的目标路段移动速度，并将所述移动速度作为所述目标路段中车辆行驶的速度，可以包括： Optionally, the calculating, by the processor 52, the target segment movement speed of the at least one communication in the road, and using the moving speed as the speed of the vehicle traveling in the target road segment, may include:

作为一种可选的实施方式，处理器 52执行将每个路段的所有投影点对应的小区的集合作为该路段定位点的小区集合的操作之后，还可以用于执行如下操作： As an optional implementation, after the processor 52 performs the operation of using the set of cells corresponding to all the projection points of each road segment as the cell set of the link location point, the processor 52 may also be used to perform the following operations:

选择出在预设周期内所述道路的每个定位点的定位通信设备，所述定位通信设备是指该定位点的小区集合与激活集小区重合度最高的通信设备；从每个定位点的定位通信设备的激活集小区中选择出该定位点的目标激活集小区，并将该目标激活集小区更新为该定位点的小区集合，所述目标激活集小区是指该定位点的定位通信设备的所有激活集小区中出现概率最高的激活集小区。 Selecting a positioning communication device for each positioning point of the road within a preset period, the positioning communication The signaling device refers to a communication device with the highest aggregation of the cell set of the positioning point and the active set cell; selecting a target active set cell of the positioning point from the active set cell of the positioning communication device of each positioning point, and the target The active set cell is updated to the cell set of the locating point, where the target active set cell refers to the active set cell with the highest probability of occurrence among all active set cells of the locating communication device of the locating point.

上述技术方案中，获取至少一个目标通信设备的激活集小区，所述目标通信设备为位于车辆内的通信设备；从道路的定位点中选择出每个所述目标通信设备的目标定位点，并将所述目标定位点作为该目标通信设备在所述道路中所处的位置；所述目标定位点为定位点的小区集合与该目标通信设备的激活集小区重合度最高的定位点；根据所述至少一个目标通信设备在所述道路中所处的位置监控所述道路的流量。通信设备和小区都是现有的，这样就不需要额外增加成本，且目前每个车辆内都会存在通信设备，这样就可以监控到每个车辆，从而可以低成本、高准确度地实现智能交通的流量监控。 In the above technical solution, acquiring an active set cell of at least one target communication device, where the target communication device is a communication device located in the vehicle; selecting a target positioning point of each target communication device from the location points of the road, and Determining, by the target location point, a location where the target communication device is located in the road; the target location point is an location point where a cell set of the location point and a target set of the target communication device have the highest coincidence degree; The at least one target communication device monitors the traffic of the road at a location in the road. Communication equipment and residential areas are both existing, so that no additional cost is required, and communication equipment is present in each vehicle, so that each vehicle can be monitored, thereby realizing intelligent transportation with low cost and high accuracy. Traffic monitoring.

本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程，是可以通过计算机程序来指令相关的硬件来完成，所述的程序可存储于一计算机可读取存储介廣中，该程序在执行时，可包括如上述各方法的实施例的流程。其中，所述的存储介廣可为磁碟、光盘、只读存储记忆体（Read-Only Memory, ROM )或随机存取存储器（ Random Access Memory , 简称 RAM )等。 A person skilled in the art can understand that all or part of the process of implementing the above embodiment method can be completed by a computer program to instruct related hardware, and the program can be stored in a computer readable storage medium. The program, when executed, may include the flow of an embodiment of the methods as described above. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

以上所揭露的仅为本发明较佳实施例而已，当然不能以此来限定本发明之权利范围，因此依本发明权利要求所作的等同变化，仍属本发明所涵盖的范围。 The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and the equivalent changes made by the claims of the present invention are still within the scope of the present invention.

Claims

权利要求 Rights request

1、一种监控道路流量方法，其特征在于，包括： A method for monitoring road traffic, characterized in that it comprises:

从道路的定位点中选择出每个所述目标通信设备的目标定位点，并将所述目标定位点作为该目标通信设备在所述道路中所处的位置；其中，所述目标定位点的小区集合与该目标通信设备的激活集小区重合度最高； Selecting, from a positioning point of the road, a target positioning point of each of the target communication devices, and using the target positioning point as a location of the target communication device in the road; wherein, the target positioning point The cell set has the highest coincidence degree with the active set cell of the target communication device;

2、如权利要求 1所述的方法，其特征在于，所述从道路的定位点中选择出每个所述目标通信设备的目标定位点，并将所述目标定位点作为该目标通信设备在所述道路中所处的位置之前，所述方法还包括： 2. The method according to claim 1, wherein the target location point of each of the target communication devices is selected from the location points of the road, and the target location point is used as the target communication device. Before the location of the road, the method further includes:

将每个路段的所有投影点对应的小区的集合作为该路段定位点的小区集合，所述投影点对应的小区是指离所述投影点距离最近的基站包含的且覆盖所述投影点的小区。 The set of cells corresponding to all the projection points of each road segment is used as the cell set of the road segment positioning point, and the cell corresponding to the projection point refers to the cell included in the base station that is closest to the projection point and covers the projection point. .

3、如权利要求 2所述的方法，其特征在于，所述计算所述道路上的投影点的坐标值包括： 3. The method according to claim 2, wherein the calculating the coordinate values of the projection points on the road comprises:

4、如权利要求 2或 3所述的方法，其特征在于，所述将每个路段的所有投影点对应的小区的集合作为该路段定位点的小区集合之后，所述方法还包括： 4. The method of claim 2 or 3, wherein said all of each road segment After the set of cells corresponding to the projection point is used as the cell set of the link location point, the method further includes:

从每个定位点的定位通信设备的激活集小区中选择出该定位点的目标激活集小区，并将该目标激活集小区更新为该定位点的小区集合，所述目标激活集小区是指该定位点的定位通信设备的所有激活集小区中出现概率最高的激活集小区。 Selecting a target active set cell of the positioning point from the active set cell of the positioning communication device of each positioning point, and updating the target active set cell to a cell set of the positioning point, where the target active set cell refers to the The active set cell with the highest probability occurs in all active set cells of the positioning communication device of the positioning point.

5、如权利要求 1-3 中任一项所述的方法，其特征在于，所述获取至少一个目标通信设备的激活集小区，包括： The method according to any one of claims 1-3, wherein the acquiring the active set cell of the at least one target communication device comprises:

计算出所述至少一个目标通信设备在所述道路中的目标路段移动速度，并述目标定位点之间的路段；和 /或 Calculating a target road segment moving speed of the at least one target communication device in the road, and describing a road segment between the target positioning points; and/or

6、如权利要求 5所述的方法，其特征在于，所述计算出所述至少一个通信在所述道路中的目标路段移动速度，并将所述移动速度作为所述目标路段中车辆行驶的速度，包括： 6. The method according to claim 5, wherein: calculating a target road segment moving speed of the at least one communication in the road, and using the moving speed as a vehicle traveling in the target road segment Speed, including:

从所述至少一个目标通信设备中选择出目标定位点为所述道路中位置连续的定位点的第一通信设备； Selecting, from the at least one target communication device, a first communication device whose target location point is a continuous location point in the road;

计算出所述第一通信设备在所述道路中的目标路段移动速度，并将所述移动速度作为所述目标路段中车辆行驶的速度。 Calculating a target road segment moving speed of the first communication device in the road, and moving the The moving speed is used as the speed at which the vehicle travels in the target road segment.

7、一种监控道路流量设备，其特征在于，包括：获取单元、第一选择单元和监控单元，其中： A device for monitoring road traffic, comprising: an acquiring unit, a first selecting unit, and a monitoring unit, wherein:

所述第一选择单元，用于从道路的定位点中选择出每个所述目标通信设备的目标定位点，并将所述目标定位点作为该目标通信设备在所述道路中所处的位置；其中，所述目标定位点的小区集合与该目标通信设备的激活集小区重合度最高的定位点； The first selecting unit is configured to select a target positioning point of each target communication device from the positioning points of the road, and use the target positioning point as a location of the target communication device in the road Wherein, the cell set of the target locating point and the locating point of the active set cell of the target communication device have the highest degree of coincidence;

8、如权利要求 7所述的设备，其特征在于，所述设备还包括： The device of claim 7, wherein the device further comprises:

第一计算单元，用于计算所述道路上的投影点的坐标值，所述投影点指预先指定的基站到所述道路的最短线路中所述道路上的位置点； a first calculating unit, configured to calculate a coordinate value of a projection point on the road, where the projection point refers to a position point on the road in a shortest line of the pre-designated base station to the road;

第二计算单元，用于计算所述道路中每个路段的投影点的平均坐标值，并将所述平均坐标值的位置点作为该路段的定位点，所述平均坐标值为该路段的所有投影点的坐标值的平均值； a second calculating unit, configured to calculate an average coordinate value of a projection point of each road segment in the road, and use a position point of the average coordinate value as an anchor point of the road segment, where the average coordinate value is all of the road segment The average of the coordinate values of the projection points;

9、如权利要求 8所述的设备，其特征在于，所述第一计算单元还用于计算预先指定的基站到所述道路的最短线路中所述道路上的位置点的坐标值，以及从所述预先指定的基站中选择出满足预设条件的基站到所述道路的最短线路中所述道路上的位置点作为所述道路的投影点； The device according to claim 8, wherein the first calculating unit is further configured to calculate a coordinate value of a pre-designated base station to a position point on the road in a shortest route of the road, and Selecting, from the pre-designated base station, a location point on the road in the shortest route of the base station that meets the preset condition as a projection point of the road;

10、如权利要求 8或 9所述的设备，其特征在于，所述设备还包括：第二选择单元，用于选择出在预设周期内所述道路的每个定位点的定位通信设备，所述定位通信设备是指该定位点的小区集合与激活集小区重合度最高的通信设备； The device according to claim 8 or 9, wherein the device further comprises: a second selecting unit, configured to select a positioning communication device of each positioning point of the road in a preset period, The positioning communication device refers to that the cell set of the positioning point has the highest coincidence degree with the active set cell. Communication equipment;

11、如权利要求 7-9中任一项所述的设备，其特征在于，所述获取单元还用于获取每个所述目标通信设备的多个时间点的激活集小区； The device according to any one of claims 7 to 9, wherein the acquiring unit is further configured to acquire an active set cell of each time point of each of the target communication devices;

所述第一选择单元还用于从道路的定位点中选择出每个所述目标通信设备在每个所述时间点的目标定位点，并将所述目标定位点作为该时间点的该目标通信设备在所述道路中所处的位置； The first selecting unit is further configured to select, from the positioning points of the road, a target positioning point of each of the target communication devices at each of the time points, and use the target positioning point as the target at the time point The location of the communication device in the road;

所述监控单元还用于计算出所述至少一个目标通信设备在所述道路中的所述目标路段为两个所述目标定位点之间的路段；和 /或，根据所述至少一个目标通信设备在所述道路中所处的位置，计算出所述道路中每个路段中车辆的数量。 The monitoring unit is further configured to calculate, by the at least one target communication device, the target road segment in the road is a road segment between two target positioning points; and/or, according to the at least one target communication The number of vehicles in each section of the road is calculated at the location of the equipment in the road.

12、如权利要求 11所述的设备，其特征在于，所述监控单元还用于从所述至少一个目标通信设备中选择出目标定位点为所述道路中位置连续的定位点的第一通信设备，以及计算出所述第一通信设备在所述道路中的目标路段移动速度, The device according to claim 11, wherein the monitoring unit is further configured to: select, from the at least one target communication device, a first communication that is a target location point that is a continuous location point in the road. a device, and calculating a target road segment moving speed of the first communication device in the road,