CN207995399U - A kind of indoor location precise positioning system based on wireless sensor - Google Patents

Abstract

Vector quantization label is uploaded to server by way of socket and stored into vector quantization registration database by the indoor location precise positioning system based on wireless sensor that the utility model is related to a kind of；Whole process administrative staff acquire the upload that vector quantization label can be automatically performed after vector quantization marks by client after having planned vector quantization marker spacing；After the wireless terminal device of the hand-held client software equipped with this system exploitation of user, clicks the corresponding button in foreground client and be achieved with real-time floor location information；Operation, fully automated operation need not be used；For user in addition to carrying WIFI terminal, user coordinates can be reverse-located by not needing other any operations carryings other auxiliary equipments；Suitable for Various Complex landform, such as hollow middle island, signal framing error caused by more floor signals are propagated；The data that overall procedure and system provide are consumer's Motion trend analysis, and the application such as indoor navigation provides accurate basic data.

Description

A kind of indoor location precise positioning system based on wireless sensor

Technical field

The utility model is related to a kind of positioning systems more particularly to one kind to individual positioning and floor indoors to be based on The indoor location precise positioning system of wireless sensor.

Background technology

Indoor user Hierarchical Location carries out floor level network coverage evaluating to operator and optimization is of great significance, same Because there may be huge network quality differences for floor structure difference between building difference floor.It is logical based on user's latitude and longitude information Cross international mobile subscriber identity (International Mobile Subscriber Identification Number, IMSI)+cell (CELL)+time (TIME) mode is associated with measurement report (Measurement Report, MR) wireless network, MR sampled points are navigated in building construction, building network quality assessment can be carried out, floor-level assessment then needs further to User location carries out Hierarchical Location by floor.

Currently, prior wireless network (WIFI) positioning uses and user terminal medium access control (Media Access Control, MAC) associated mode, user is extracted from user class and certification class daily record to surf the Internet connection equipment (AP), user's account Number and the MAC of equipment, received signal intensity indicate (Received Signal Strength Indication, RSSI) value, It is matched with the practical longitude and latitude of AP equipment in existing resource data, using signal propagation model, it is fixed to carry out RSSI mode users Position, or by the RSSI values and AP equipment longitudes and latitudes of multiple WIFI networks, carry out hybrid mode positioning.

But existing WIFI positioning methods are highly dependent on accurate, complete WIFI network resource data, need clear Indoor AP equipment installation positions and floor, therefore, in actual use, that there are resource datas is insufficient, resource data acquisition is tired Difficulty expends the problems such as huge.

Good data result can be obtained in ideal plane, but coping with actual quotient for existing indoor positioning technologies When all kinds of anisotropic size shops in field, shopping center obstruct, it is unable to get precise information；More floors are built, it is existing Location technology is due to that can not be effectively treated across floor signal, there are a large amount of null result data.

The utility model is acquired by Optimization deployment data, using the passive direction location algorithm from wound, passes through systematization Method improve data result precision.

Utility model content

The utility model is a kind of based on wireless biography its object is to propose to solve the problems, such as that above-mentioned be previously mentioned proposes The indoor location precise positioning system of sensor, for the relevant issues that especially story height identifies in processing position identification.

The purpose of this utility model is not limited thereto, and for unmentioned other purposes, those skilled in the art can be with It is expressly understood that by following record.

A kind of indoor location precise positioning system based on wireless sensor is claimed in the utility model, and feature exists In, including：

Client and Locator server ends, wherein client are divided into foreground client and background client terminal；Backstage client End acquisition in real time the RSRP values of neighbor base station and physical coordinates of the position around in a certain station acquisition, and be uploaded to Locator servers;Foreground client provides the service of position vectorization label positioning to the user for on-line stage； Locator server ends are wireless signal generating means, and the Locator server ends include wireless signal transceiver module and place Control module is managed, wireless signal and the signal with identity identification information and transmission time information are ceaselessly sent；The service Device includes computer and wireless network card；Locator servers operate in PC machine, possess powerful storage capacity and calculate energy Power；Locator server capabilities are divided into two classes:The vector quantization label storage request for responding background client terminal, responds foreground client The Location Request at end；The background client terminal includes wireless signal sending module, reception of wireless signals module, clock module, master Control module and wireless communication module；Main control module respectively with wireless signal sending module, reception of wireless signals module, clock module It is connected with wireless communication module；Server is wirelessly connected with background client terminal a, background client terminal b and background client terminal c respectively.

In the utility model, deployment WIFI terminal identification equipment is deployment target with an internal analyzed area, for list A identification equipment can not overlay area, covering is completed by the deployment of multiple equipment；For the area map where terminal positioning Vectorized process label is carried out, to do location data preparation；When WIFI terminal equipment is in region, is optimized by three-point fix and calculated Method realizes the precise positioning in region；In the utility model, uses multipath logic judgment localization method and exclude noise data Interference to location algorithm.In the method, one terminal device of judgement only appears in a physical space, i.e., by a large amount of More positioning calculate in real time, by coordinate setting in single physical space；Pass through the exception inspection of the time series to the elements of a fix It surveys, multiple bearing result is carried out, based on being abnormality detection on sky, exclusion and smoothing processing to be done for abnormal point；The base of floor Certainly position is based on vectorized process label and air gauge data judging method carries out, and gives the accurately elements of a fix.

Whole system involved by the application, including WIFI network terminal recognition equipment, computing system are completed in deployment Afterwards, operation, fully automated operation need not be used；User does not need other any operations and carries it in addition to carrying WIFI terminal He can reverse-locate user coordinates by auxiliary equipment；Suitable for Various Complex landform, such as hollow middle island, more floor signals are propagated Caused by signal framing error；The data that whole system provides are consumer's Motion trend analysis, and the application such as indoor navigation provides accurate Basic data.

Description of the drawings

It is included to provide the attached drawing further recognized to published subject, this specification will be incorporated into and constitute this and said A part for bright book.Attached drawing also illustrates the realization of published subject, and disclosed for explaining together with detailed description The realization principle of theme.It is not attempt to the basic comprehension of published subject and its displaying of a variety of practice modes more than the knot needed Structure details.

Attached drawing 1 is the module structure drafting of the system involved by the utility model.

Specific implementation mode

The advantages of the utility model, feature and reach the purpose will be bright by attached drawing and subsequent detailed description Really.

With reference to attached drawing 1, a kind of indoor location precise positioning system based on wireless sensor is also claimed in the utility model System, which is characterized in that including：Client and Locator server ends, wherein client are divided into foreground client and backstage client End；In a certain station acquisition, the physics of the RSRP values of neighbor base station and the position around is sat for background client terminal acquisition in real time Mark, and it is uploaded to Locator servers;Foreground client provides position vectorization label positioning to the user for on-line stage Service；Locator server ends are wireless signal generating means, and the Locator server ends include wireless signal transmitting-receiving mould Block and processing and control module ceaselessly send wireless signal and the signal with identity identification information and transmission time information；Institute It includes computer and wireless network card to state server；Locator servers operate in PC machine, possess powerful storage capacity and Computing capability；Locator server capabilities are divided into two classes:The vector quantization label storage request for responding background client terminal, before response The Location Request of platform client；The background client terminal includes wireless signal sending module, reception of wireless signals module, clock mould Block, main control module and wireless communication module；Main control module respectively with wireless signal sending module, reception of wireless signals module, when Clock module is connected with wireless communication module；Server is wireless with background client terminal a, background client terminal b and background client terminal c respectively Connection.

Preferably, the background client terminal further includes：

Signal extraction and processing module carry out vectorized process label, to do for the area map where terminal positioning Location data prepares, the route and acquisition method that administrator acquires for the setting of a certain region, by the longitude and latitude at a certain position Coordinate and one group of signal strength values from neighbor base station are marked as a vector quantization, and vector quantization label passes through after pretreatment Network is uploaded to Locator servers and is stored in vector quantization registration database；In positioning stage, foreground client acquires in real time Intensity value on the neighbor base station signal strength values and pressure altimeter of a certain unknown position passes through net after also passing through pretreatment Network is uploaded to Locator servers, and Locator servers are chosen corresponding matching location algorithm and calculated, then by position Estimated result is handed down to foreground client by network.Preferably, the background client terminal further includes：

Wireless communication module accesses wireless network using the Socket sockets in ICP/IP protocol；Using comprising SocketServer and SocketClient classes in java.util.dll packets instantiate Socket service device and client respectively End.

Preferably, the foreground client further includes：

Locating module realizes the essence in region when wireless terminal device is in region by three-point fix optimization algorithm Certainly position.

Preferably, the foreground client further includes：

Time series detection module, by the abnormality detection of the time series to the elements of a fix, to multiple bearing result into Row does exclusion and smoothing processing based on being abnormality detection on sky for abnormal point.

Preferably, the foreground client further includes：

Path judgment module excludes interference of the noise data to location algorithm using multipath logic judgment localization method； One terminal device of judgement only appears in a physical space, i.e., is calculated in real time by a large amount of more positioning, coordinate is determined In single physical space.

Preferably, the foreground client further includes：

Locator servers when receiving signal phasor label information and the Location Request from foreground client, Connected vector registration database reads vector quantization mark useful in vector quantization registration database according to dynamic binary search algorithm Note and pressure altimeter numerical value, then execute improved matching location algorithm, point to be determined coordinate value are obtained, before being last transmitted to Platform client makes it show positioning result.

Claims (1)

1. a kind of indoor location precise positioning system based on wireless sensor, which is characterized in that including：

Client and Locator server ends, wherein client are divided into foreground client and background client terminal；Background client terminal is real When acquisition in a certain station acquisition the RSRP values of neighbor base station and the physical coordinates of the position around, and be uploaded to Locator servers;Foreground client provides the service of position vectorization label positioning to the user for on-line stage； Locator server ends are wireless signal generating means, and the Locator server ends include wireless signal transceiver module and place Control module is managed, wireless signal and the signal with identity identification information and transmission time information are ceaselessly sent；The service Device includes computer and wireless network card；Locator servers operate in PC machine, possess powerful storage capacity and calculate energy Power；Locator server capabilities are divided into two classes:The vector quantization label storage request for responding background client terminal, responds foreground client The Location Request at end；The background client terminal includes wireless signal sending module, reception of wireless signals module, clock module, master Control module and wireless communication module；Main control module respectively with wireless signal sending module, reception of wireless signals module, clock module It is connected with wireless communication module；Server is wirelessly connected with background client terminal a, background client terminal b and background client terminal c respectively.