WO2015135116A1 - Architecture de système d'un réseau auto-organisé et procédé d'optimisation - Google Patents

Architecture de système d'un réseau auto-organisé et procédé d'optimisation Download PDF

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Publication number
WO2015135116A1
WO2015135116A1 PCT/CN2014/073151 CN2014073151W WO2015135116A1 WO 2015135116 A1 WO2015135116 A1 WO 2015135116A1 CN 2014073151 W CN2014073151 W CN 2014073151W WO 2015135116 A1 WO2015135116 A1 WO 2015135116A1
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WO
WIPO (PCT)
Prior art keywords
antenna
information
parameters
engineering
self
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PCT/CN2014/073151
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English (en)
Chinese (zh)
Inventor
王琳琳
赵建平
郭昕
杨朝辉
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2014/073151 priority Critical patent/WO2015135116A1/fr
Priority to CN201480000108.9A priority patent/CN103999501B/zh
Publication of WO2015135116A1 publication Critical patent/WO2015135116A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a system architecture and an optimization method for a self-organizing network.
  • the unit direction data of the antenna is saved as a static file and stored in the base station, and the stored information includes the antenna manufacturer name, the antenna model, the antenna sub-band, the antenna half-power angle, and the weight information.
  • the antenna information and the beam indicator are sent by the controller.
  • the base station side can read the corresponding weight information from the static file according to the received antenna index and the antenna information.
  • the antenna pattern data of antennas of different antenna manufacturers are quite different. Therefore, the antenna parameter information of different antenna manufacturers needs to be manually collected and matched. Therefore, a large amount of management and maintenance work is required, which makes it difficult to accurately obtain the parameter information of the antenna.
  • an embodiment of the present invention provides a system architecture of a self-organizing network, including: at least one informationized antenna, and any of the informationization An external measurement and control device corresponding to the antenna, a base station, and a self-organizing network SON functional entity;
  • the external measurement and control device is configured to measure and control a first engineering parameter of the informationized antenna corresponding to the external measurement and control device, and send the first engineering parameter to the letter corresponding to the external measurement and control device
  • An antenna is configured to measure and control a second engineering parameter of the informationized antenna, and store performance parameters of the informationized antenna; and the base station is configured to store system parameters of a cell where any of the informationized antennas are located
  • the SON function entity is configured to acquire the first engineering parameter, the second engineering parameter, and the performance parameter in the informationized antenna, and acquire the system parameter in the base station.
  • the SON function entity is further configured to: according to the obtained first engineering parameter, the second engineering parameter, and the performance parameter in the informationized antenna And the system parameter in the base station and the parameter pre-stored by the SON function entity, optimizing the second engineering parameter and the system parameter, and configuring the optimized second engineering parameter to the letter And I, the antenna is configured, and the optimized system parameters are configured to the base station.
  • the external measurement and control device sends the first engineering parameter to the
  • the informationized antenna corresponding to the external measurement and control device includes: the external measurement and control device sends the first engineering parameter to the information antenna corresponding to the external measurement and control device through a wireless link.
  • a third possible implementation manner of the first aspect is further provided, where the external measurement and control device corresponding to any of the information antennas is provided.
  • the method includes: a first sensor, a first controller, and a first transceiver; wherein
  • the first sensor is configured to measure a first engineering parameter of the information antenna;
  • the first controller is configured to adjust a state of the first sensor;
  • the first transceiver is configured to receive a command sent by the informationized antenna, and send a first engineering parameter measured by the first sensor to a location
  • the information antenna corresponding to the external measurement and control device.
  • the fourth possible implementation manner of the first aspect is further provided, where the informationized antenna includes: a processing module and a storage module;
  • the processing module is configured to measure and control a second engineering parameter of the informationized antenna, and control an operating state of the external measurement and control device corresponding to the signal
  • the storage module is configured to store the informationized a second engineering parameter of the antenna and a first engineering parameter measured by the external measuring and controlling device corresponding to the information antenna.
  • the processing module includes: a first processing unit and a second processing unit;
  • the processing unit is configured to control an working state of the external measurement and control device corresponding to the informationized antenna;
  • the second processing unit is configured to measure and control a second engineering parameter of the information antenna.
  • the first processing unit includes: a second transceiver and a second controller;
  • the second transceiver is configured to receive a first engineering parameter measured by the external measurement and control device corresponding to the informationized antenna;
  • the second controller is configured to control an operating state of the external measurement and control device corresponding to the informationized antenna.
  • a seventh possible implementation of the first aspect is further provided, where the second processing unit includes: a second sensor and a third controller; The second sensor is configured to measure a second engineering parameter of the informationized antenna; and the third controller is configured to adjust the informationized antenna.
  • the base station includes: a signal processing module, where the signal processing module is configured to store system parameters of a cell where any of the informationized antennas are located.
  • the SON function entity includes: a management module and a SON optimization module, where the management module is configured to perform control and management on the informationized antenna and the base station; The SON optimization module is configured to acquire, by the management module, the first engineering parameter, the second engineering parameter, and the performance parameter in the informationized antenna, and acquire, by using the management module, the base station The system parameters.
  • the management module includes: a first management module and a second management module;
  • the first management module is configured to control and manage the informationized antenna
  • the second management module is configured to control and manage the base station.
  • the eleventh possible implementation manner of the first aspect is further provided, where the first management module includes: a first management unit and a second management unit; The first management unit is configured to control and manage a processing module of each of the information antennas;
  • the second management unit is configured to control and manage a storage module of each of the information antennas.
  • a twelfth possible implementation manner of the first aspect is further provided, where the SON optimization module is configured to acquire, by using the management module, the informationized antenna The first engineering parameter, the second engineering parameter And obtaining, by the management module, the system parameter in the base station by using the management module: the SON optimization module acquiring, by using the first management module, the first engineering parameter in the informationized antenna And the second engineering parameter, and the performance parameter, acquiring, by the second management module, the system parameter in the base station.
  • the embodiment of the present invention provides a method for optimizing a self-organizing network, which is applied to the SON functional entity in the self-organizing network of the first aspect or any possible implementation manner of the first aspect, Optimization methods include:
  • the method before the acquiring an engineering parameter and a performance parameter of the informationized antenna in the self-organizing network, and a system parameter of a cell where the informationized antenna is located, the method further Includes:
  • an embodiment of the present invention provides an optimization method for a self-organizing network, which is applied to an informationized antenna in the self-organizing network of the first aspect or any possible implementation manner of the first aspect, where the optimization is performed.
  • the method includes: receiving a measurement and control command sent by a SON function entity; measuring a second engineering parameter of the informationized antenna according to the measurement and control command; and sending the second engineering parameter to the SON function entity, so that the S The 0 N functional entity optimizes the second engineering parameter.
  • the optimization method further includes: sending, according to the received measurement and control command, a measurement command to an external measurement and control device corresponding to the informationized antenna, so that the external measurement and control The device measures a first engineering parameter of the informationized antenna; and receives the first engineering parameter sent by the external measurement device.
  • the method further includes: receiving an obtaining command sent by the SON function entity Transmitting, according to the received acquisition command, the stored performance parameter of the informationized antenna to the SON functional entity.
  • the third possible implementation manner of the third aspect is further provided, where the method further includes: receiving the optimized Second engineering parameters.
  • the embodiment of the present invention provides a method for optimizing a self-organizing network, which is applied to a base station in the self-organizing network of the first aspect or any possible implementation manner of the first aspect, where the optimization method includes Receiving the acquisition command sent by the SON function entity; sending, according to the received acquisition command, the system parameter of the stored cell of the informationized antenna to the SON function entity, so that the SON function entity pairs the system parameter optimize.
  • the optimizing method further includes: receiving the optimized system parameter sent by the SON function entity.
  • an embodiment of the present invention provides an optimization method for an ad hoc network, which is applied to an external measurement and control device in the self-organizing network of the first aspect or any possible implementation manner of the first aspect, where the optimization is performed.
  • the method includes: receiving a measurement command sent by an information antenna corresponding to the external measurement and control device; And measuring, according to the measurement command, an engineering parameter of the informationized antenna, and sending the measured engineering parameter to the informationized antenna, so that the informationized antenna sends the engineering parameter to a SON functional entity,
  • the SON functional entity optimizes the engineering parameters.
  • the external measurement and control device in the system architecture of the self-organizing network is used for measuring and controlling the first engineering parameter of the informationized antenna corresponding to the external measurement and control device, And transmitting the first engineering parameter to the letter corresponding to the external measurement and control device, I, the antenna;
  • the signal, the antenna is used to measure and control the second engineering parameter of the information antenna, and store a second engineering parameter of the information antenna and a first engineering parameter measured by the external measurement and control device corresponding to the information antenna;
  • the base station is configured to store system parameters of a cell where any of the information antennas are located;
  • the SON function entity is configured to acquire parameters in the informationized antenna and the base station to solve the problem that it is difficult to accurately obtain antenna parameter information.
  • FIG. 1 is a schematic diagram of a system architecture of a self-organizing network according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a system architecture of another self-organizing network according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a system architecture of another self-organizing network according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of an optimization method of a self-organizing network according to an embodiment of the present invention.
  • Embodiment 1 The embodiment of the present invention provides a system architecture of a self-organizing network. As shown in FIG. 1 , the system architecture of the self-organizing network includes: at least one informationized antenna corresponding to any of the informationized antennas. External measurement and control equipment, base station, self-organizing network SON functional entity;
  • the external measurement and control device is configured to measure and control a first engineering parameter of the informationized antenna corresponding to the external measurement and control device, and send the first engineering parameter obtained by the measurement and control to the informationized antenna corresponding to the external measurement and control device;
  • the information antenna is configured to measure and control a second engineering parameter of the informationized antenna, and store performance parameters of the informationized antenna;
  • the base station is configured to store system parameters of a cell where any of the informationized antennas are located;
  • the SON function entity is configured to acquire the first engineering parameter, the second engineering parameter, and the performance parameter in the informationized antenna, and acquire the system parameter in the base station.
  • the first engineering parameter includes parameters of an environment surrounding the informationized antenna corresponding to the external measurement and control device measured by the external measurement and control device, and the measured information, a mechanical azimuth of the antenna, and the like;
  • the second engineering parameter includes parameters such as azimuth, downtilt, height, latitude and longitude of the information antenna;
  • the SON functional entity may be an operation and maintenance system, such as a server such as the M2000.
  • the external measurement and control device sends the parameter obtained by the measurement and control to the informationized antenna corresponding to the external measurement and control device, and the external measurement and control device sends the parameter obtained by the measurement and control to the external device through a wireless link.
  • the information antenna corresponding to the measurement and control device.
  • the SON function entity is configured to acquire the informationized antenna and the The parameters in the base station include: the SON function entity acquires a first engineering parameter and a second engineering parameter of the informationized antenna stored in the informationized antenna, and acquires performance of the informationized antenna stored in the informationized antenna And obtaining a system parameter of a cell where the informationized antenna is located in the base station.
  • the performance parameter of the informationized antenna may be a feature weight library of the informationized antenna, a port unit pattern, and the like, and is not limited thereto.
  • the SON function entity is further configured to: according to the acquired first engineering parameter, the second engineering parameter, and the performance parameter in the informationized antenna, the system parameter in the base station, And pre-storing the parameters of the SON function entity, optimizing the first engineering parameter, the second engineering parameter, and the system parameter, and configuring the optimized first engineering parameter and the optimized second engineering parameter to the
  • the information antenna is configured to allocate the optimized system parameters to the base station.
  • the parameters pre-stored by the SON function entity include: an electronic map, a propagation model based on the road test correction, a modified business model, and test data, and the like.
  • the SON optimization module according to the first engineering parameter and the second engineering parameter from the information antenna, the performance parameter of the informationized antenna, and the cell where the informationized antenna is obtained from the base station System parameters, and pre-stored parameters, optimize the first engineering parameter, the second engineering parameter, and the system parameter, and configure the optimized first engineering parameter and second engineering parameter to corresponding
  • the information antenna configures the optimized system parameters to the base station.
  • the external measurement and control device corresponding to any of the information antennas includes: a first sensor, a first controller, and a first transceiver; wherein, the first sensor is used to Measuring a first engineering parameter of the informationized antenna; the first controller is configured to adjust a state of the first sensor; the first transceiver is configured to receive a command sent by the informationized antenna, and send the The first engineering parameter measured by a sensor is given to the information antenna for the external measurement and control device.
  • the adjusting the state of the first sensor may be adjusting an on/off of the first sensor, or adjusting an operation duration of the first sensor, of course, Limited to this.
  • the informationized antenna includes: a processing module and a storage module;
  • the processing module is configured to measure and control a second engineering parameter of the informationized antenna, and control an operating state of the external measurement and control device corresponding to the signal, the antenna, and the storage module is configured to store the information.
  • the processing module includes: a first processing unit and a second processing unit, where the first processing unit is configured to control the external measurement and control device corresponding to the informationized antenna
  • the working state is used to measure and control the second engineering parameter of the information antenna.
  • the first processing unit includes: a second transceiver and a second controller, where the second transceiver is configured to receive the external measurement and control corresponding to the informationized antenna The first engineering parameter measured by the device; the second controller is configured to control an operating state of the external measurement and control device corresponding to the informationized antenna.
  • the second processing unit includes: a second sensor and a third controller, where the second sensor is configured to measure a second engineering parameter of the informationized antenna; The third controller is configured to adjust the information antenna.
  • the adjusting, by the third controller, the information antenna may be adjusted for a downtilt angle, an azimuth angle, and the like of the information antenna.
  • the second controller and the third controller may be two different controllers or the same controller, and may be determined according to actual usage.
  • the base station includes: a signal processing module, where the signal processing module is configured to store system parameters of a cell where any of the informationized antennas are located.
  • the system parameters may include: power, Physical-layer Cell Identity (PCI), Pa (not characterized in the LTE protocol) The ratio of the data subcarrier power of the pilot symbol (class A symbol) to the pilot subcarrier power), Pb (the data subcarrier power and pilot of the symbol (the class B symbol) characterizing the pilot in the LTE protocol) The ratio of carrier power), Radio Resource Management (RRM) parameters, handover parameters, and the like are of course not limited thereto.
  • PCI Physical-layer Cell Identity
  • Pa not characterized in the LTE protocol
  • Pb the data subcarrier power and pilot of the symbol (the class B symbol) characterizing the pilot in the LTE protocol
  • RRM Radio Resource Management
  • the SON function entity includes: a management module and a SON optimization module, where the management module is configured to perform control and management on the informationized antenna and the base station; The module is configured to acquire, by the management module, the first engineering parameter, the second engineering parameter, and the performance parameter in the informationized antenna, and acquire, by using the management module, the system parameter in the base station .
  • the management control of the informationized antenna by the management module includes: controlling the information antenna to measure the first engineering parameter and the second engineering parameter of the information antenna;
  • the management control of the base station by the module includes: acquiring or configuring system parameters of any informationized antenna stored in the base station.
  • the management module includes: a first management module and a second management module; wherein, the first management module is configured to control and manage the informationized antenna; The module is used to control and manage the base station.
  • the first management module includes: a first management unit and a second management unit, where the first management unit is configured to control and manage processing of each of the information antennas a module; the second management unit is configured to control and manage a storage module of each of the information antennas.
  • the processing module for controlling and managing each of the informationized antennas by the first management unit includes: controlling a processing module of the informationized antenna to complete azimuth, downtilt, height, latitude and longitude, etc.
  • the measurement module of the information antenna can also be controlled to complete the adjustment of the downtilt angle and the azimuth of the information antenna; the second management unit controls and manages the storage module of each of the information antennas:
  • the storage module stores downloading and uploading information, and modifying the information stored in the storage module.
  • the SON optimization module is configured to acquire, by the management module, the first engineering parameter, the second engineering parameter, and the performance parameter in the informationized antenna, and obtain, by using the management module
  • the system parameter in the base station includes: the SON optimization module acquiring, by the first management module, the first engineering parameter, the second engineering parameter, and the performance parameter in the informationized antenna, Acquiring the system parameters in the base station by using the second management module.
  • the SON optimization module is configured according to the first engineering parameter and the second engineering parameter of the informationized antenna acquired from the first management module, and the base station acquired from the second management module System parameters of the cell in which the information antenna is located, and pre-stored parameters, optimizing the first engineering parameter, the second engineering parameter, and the system parameter, and optimizing the first engineering parameter and the second project
  • the parameter is configured by the first management module to the corresponding information antenna
  • the optimized system parameter is configured to the base station by using the second management module.
  • An embodiment of the present invention provides a system architecture of a self-organizing network, where an external measurement and control device in a system architecture of the self-organizing network is used to measure and control a first engineering parameter of an information antenna corresponding to the external measurement and control device, and Transmitting the first engineering parameter to the information antenna corresponding to the external measurement and control device;
  • the information antenna is used for measuring and controlling the second engineering parameter of the information antenna, and storing the second information antenna
  • the base station is configured to store system parameters of a cell where any of the information antennas are located; and the SON function entity is used to acquire The first engineering parameter, the second engineering parameter, and the performance parameter in the informationized antenna, and acquiring the system parameter in the base station to solve a problem that it is difficult to accurately obtain antenna parameter information.
  • Embodiment 2 The system architecture of the self-organizing network according to the first embodiment, the embodiment of the present invention provides a specific information SON system, where the SON system includes K information antennas, and the K information antennas Corresponding K external measurement and control devices, a base station storing the system parameters of the cells in which the K information antennas are located, and a SON function entity.
  • each information antenna includes: an external measurement processing module, internal The measurement and control module, and the storage module;
  • the base station includes: a signal processing module;
  • the SON functional entity includes: a measurement and control information management module, a system information management module, a storage information management module, and a SON optimization center.
  • the specific functions of each module are as follows:
  • Each external measurement and control device includes a sensor, a controller, and a wireless transceiver.
  • the sensor is responsible for measuring the environment around the informationized antenna, the mechanical azimuth, and the like;
  • the controller is responsible for adjusting the state of the sensor;
  • the wireless transceiver is responsible for receiving the external information from the external antenna corresponding to the external measurement and control device.
  • the command sent by the processing module and the information measured by the transmitting sensor are given to the corresponding information antenna.
  • the external measurement processing module in each information antenna includes a wireless transceiver and a controller.
  • the wireless transceiver is responsible for receiving measurement information of the corresponding external measurement and control device; the controller controls the working state of the external measurement and control device.
  • the internal measurement and control module in each information antenna includes a sensor and a controller.
  • the sensor is responsible for measuring the downtilt, azimuth, altitude, latitude and longitude of the information antenna;
  • the controller is responsible for adjusting the downtilt angle and azimuth of the antenna.
  • a storage module in each informationized antenna stores a feature weight library and a port unit direction map of the information antenna, and stores parameter information measured by the external measurement processing module and the internal measurement and control module in the information antenna.
  • the measurement and control information management module controls the internal measurement and control module of each information antenna in the entire SON network, and can control the internal measurement and control module to perform the following functions: antenna azimuth, downtilt, height, latitude and longitude measurement, and antenna downtilt angle , azimuth adjustment.
  • a storage information management module that controls a storage module of each informationized antenna in the entire SON network. It is possible to download and upload stored information, modify the stored information, and perform weight assignment for the signal processing module in the base station (or system device).
  • a system information management module which controls system parameters of each cell signal processing module in the entire SON network
  • the system parameters include: power, PCI, Pa, Pb, RRM parameters, handover parameters, etc.
  • the system information management module can query each
  • the system parameter configuration information of the signal processing module can also configure the system parameters of each signal processing module, which is of course not limited thereto.
  • the SON optimization center stores key import information such as an electronic map, a modified communication module, a modified business model, and test data; acquires parameter information in the storage module, and performs vector weighting on the unit direction map to form a feature weight corresponding
  • the characteristic beam library performs the optimization simulation of azimuth, downtilt, system parameters and feature beam library through genetic algorithm such as particle swarm optimization and scoring evolution algorithm.
  • the specific working steps include:
  • the SON Optimization Center uses the electronic map and test data to find the problematic area.
  • the SON optimization center sends a first command to the measurement and control information management module, and feeds back the status (or engineering parameter) of the problem cell to the SON optimization center.
  • step 202 may include:
  • the SON optimization center sends a first command to the measurement and control information management module.
  • the first command is used to acquire engineering parameters of the problem cell.
  • the measurement and control information management module is configured to find an informationized antenna corresponding to the problem cell according to the first command, and send a measurement control signal to the informationized antenna corresponding to the problem cell.
  • the information antenna obtains the first engineering parameter and the second engineering parameter by measuring the informationized antenna according to the received measurement control information.
  • the external measurement processing module of the information antenna controls the external measurement module to measure the environment and the mechanical azimuth of the informationized antenna period, and obtains the first engineering parameter of the information antenna corresponding to the problem cell;
  • the information The internal measurement and control module of the antenna measures the downtilt, azimuth, altitude, latitude and longitude of the information antenna, and obtains the second engineering parameter of the information antenna corresponding to the problem cell.
  • the first engineering parameter measured by the external measurement processing module of the information antenna and the second engineering parameter measured by the internal measurement and control module are fed back to the SON optimization center through the measurement and control information management module.
  • the SON optimization center sends a second command to the storage information management module, and feeds the feature weight library and the unit direction map of the problem cell to the SON optimization center.
  • step 203 can include:
  • the SON optimization center sends a second command to the storage information management module.
  • the second command is used to obtain a feature weight library and a unit direction map of the problem cell.
  • the storage information management module is configured to find an informationized antenna corresponding to the problem cell according to the second command, and send a first acquisition signal to the informationized antenna corresponding to the problem cell.
  • the information antenna is based on the received first acquisition signal, and the storage module of the information antenna transmits the stored feature weight library and the port unit pattern of the information antenna to the SON optimization through the storage information management module. center.
  • the SON optimization center sends a third command to the system information management module, and feeds back the system parameters of the problem cell to the SON optimization center.
  • step 204 may include:
  • the SON optimization center sends a third command to the system information management module.
  • the third command is used to obtain system parameters of the problem cell.
  • the system information management module is configured to find a base station corresponding to the problem cell according to the third command, and send a second acquisition signal to the base station corresponding to the problem cell.
  • Each problem cell corresponds to an information antenna that covers the problem cell, and each base station is responsible for at least one information antenna, that is, finds a base station corresponding to the problem cell, where the system parameters of the problem cell are stored in the base station. .
  • the base station feeds back, by the storage information management module, the system parameter of the problem cell stored by the signal processing module in the base station to the SON optimization center according to the received second acquisition signal.
  • the SON optimization center uses the coverage area of the problem cell as a simulation observation area, and optimizes the parameter information acquired from steps 202-204 according to the own information and the parameter information acquired from steps 202-204.
  • the self-owned information is key import information such as an electronic map stored by the SON optimization center, a modified propagation model, a modified business model, and test data.
  • the parameter information obtained by the step 202-204 is optimized to: optimize parameters such as azimuth and downtilt of the information antenna corresponding to the problem cell, and/or feature weight parameters of the information antenna corresponding to the problem cell Optimize, and/or optimize system parameters of the problem cell.
  • the SON optimization center transmits configuration parameters such as azimuth and downtilt of the problem cell to the internal measurement and control module of the corresponding information antenna through the measurement and control information management module, so that the internal measurement and control module azimuth of the information antenna, The downtilt angle is controlled and adjusted.
  • step 206 may include:
  • the SON optimization center sends parameters such as azimuth and downtilt of the problem cell optimization to the measurement and control information management module.
  • the measurement and control information management module sends the received parameter angle and the downtilt angle of the problem cell to the internal measurement and control module of the corresponding information antenna.
  • the internal measurement and control module of the information antenna controls and adjusts the azimuth and the downtilt angle of the information antenna according to the received optimized azimuth angle and downtilt angle.
  • the SON optimization center configures the weight parameter of the problem cell optimization to the corresponding signal processing module by using the storage information management module, and configures the system parameter optimized by the problem cell to the corresponding signal processing module by using the system information management module.
  • the SON optimization center sends the weight parameter of the problem cell optimization to the storage information management module, and the storage information management module sends the weight parameter of the received problem cell optimization to the corresponding signal processing module;
  • the SON optimization center sends the system parameter of the problem cell optimization to the system information management module, and the system information management module sends the system parameter optimized by the problem cell to the corresponding signal processing module.
  • An embodiment of the present invention provides a system architecture and an optimization method for an ad hoc network.
  • the external measurement and control device in the system architecture of the self-organizing network is used to measure and control a first engineering parameter of an information antenna corresponding to the external measurement and control device.
  • the parameter is sent to the letter corresponding to the external measurement and control device, and the antenna is used to measure and control the second engineering parameter of the information antenna, and the first part of the information antenna is stored.
  • a second engineering parameter and a first engineering parameter measured by the external measurement and control device corresponding to the information antenna the base station is configured to store system parameters of a cell where any of the information antennas are located; and the SON function entity is used for Obtaining parameters in the informationized antenna and the base station to solve the problem that it is difficult to accurately acquire antenna parameter information.
  • the third embodiment of the present invention provides a specific application scenario for the system architecture of the self-organizing network provided by the first embodiment and the second embodiment.
  • the network has 36 base stations, and each base station is divided into three sectors. A total of 108 sectors, each sector includes an informational ESC antenna, an external measurement module and a signal processing module, and 108 antennas are connected to the measurement and control and storage information management module of the operator's computer room through a dedicated channel, which is optimized with SON The center is connected, which constitutes the entire informational SON system.
  • the specific description is as follows:
  • External measurement module Wireless camera Observing the surrounding environment of the community; Intelligent pole: Adjust the mechanical azimuth of the antenna.
  • External measurement control module responsible for interacting with the external measurement module
  • the gravity sensor is used to measure the downtilt angle
  • the GPS sensor is used to measure the azimuth, the height, the latitude and longitude
  • the downtilt angle controller is used to control the downtilt angle
  • the storage module is composed of a memory, and stores a feature weight library of the antenna and a port unit pattern.
  • the FA/D independent electrical tune antenna feature weight library is taken as an example, including 36 complete and typical feature weights: F-band 90-degree beam weight, 65-degree wave width - 20: 5: 20 Value, 30 degree wave width -45: 5:45 deflection weight, saddle weight, split weight 2 groups, MIMO weight 4 groups; Port unit pattern includes: 3 port F band 3D amplitude pattern And 3D phase pattern.
  • Measurement and control information management module which controls each information antenna in the entire network Department of gravity sensors, GPS sensors, downtilt controllers and wireless cameras, smart poles.
  • the storage information management module controls the memory of each information antenna in the entire network, and can download, upload or modify the information stored in the storage module of each information antenna.
  • the system information management module respectively controls system parameters of the signal processing module corresponding to each cell in the entire network, and the system parameters include power, PCI, Pa, Pb, RRM parameters, switching parameters, etc., and the system capable of configuring the signal processing module Parameters, you can also query the configuration information of the system parameters in the signal processing module.
  • the SON optimization center stores key import information such as an electronic map, a modified propagation model, a modified business model, and test data, and performs vector weighting on the unit direction map to form a feature beam library corresponding to the feature weight library.
  • Genetic algorithm such as particle swarm optimization algorithm and differential evolution algorithm performs azimuth, downtilt, power, and optimization simulation of the beam database. It is assumed that when a network problem occurs in a region (or a sector) in the SON network, the SON system provided by the embodiment of the present invention can be used to optimize the network region where the problem occurs, including:
  • the SON Optimization Center uses the electronic map and test data to find a list of neighbors in the problem area.
  • the S0N optimization center sends a first command to the measurement and control information management module.
  • the measurement and control information management module finds an informationized antenna corresponding to the problem area according to the first command, and sends a measurement control signal to the informationized antenna corresponding to the problem cell.
  • the information antenna obtains the latitude and longitude, the azimuth angle, the downtilt angle, the height, and the surrounding environment of the problem area through the internal measurement control module and the external measurement and control module according to the received measurement control information.
  • the information antenna sends the measured parameter to the measurement and control information management module.
  • the measurement and control information management module receives the information corresponding to the problem area.
  • the parameters measured by the antenna are sent to the SON Optimization Center.
  • the SON optimization center sends a second command to the storage information management module.
  • the storage information management module receives the second command delivered by the SON optimization center.
  • the storage information management module finds an informationized antenna corresponding to the problem area according to the second command, and sends a first acquisition signal to the informationized antenna corresponding to the problem cell.
  • the information antenna transmits the feature weight library and the port unit pattern of the informationized antenna stored in the storage module of the informationized antenna to the storage information management module according to the received measurement control information.
  • the storage information management module sends the feature weight library and the port unit direction map of the information antenna corresponding to the problem area to the SON optimization center.
  • SON Optimization Center sends a third command to the system information management module.
  • the system information management module finds the base station where the informationized antenna corresponding to the problem area is located according to the third command, and sends a second acquisition signal to the base station.
  • the base station sends the system parameter of the problem area stored in the signal processing module to the system information management module according to the second acquisition signal.
  • the system information management module sends the system parameters of the received problem area to the SON optimization center.
  • the SON optimization center uses the problem area as the simulation observation area, according to the information corresponding to the problem area, the parameter information provided by the antenna, the letter corresponding to the problem area, the parameter information provided by the base station where the antenna is located, and the simulation observation
  • the SON optimization center sends the parameters such as the azimuth and downtilt of the problem area to the measurement and control information management module.
  • the measurement and control information management module sends the parameters such as the azimuth and downtilt angle of the received problem area to the internal measurement and control module of the corresponding information antenna.
  • the internal measurement and control module of the information antenna transmits the azimuth of the information antenna, Control adjustments such as downtilt angle.
  • the S 0 N optimization center sends the weight parameter after the problem area optimization to the storage information management module.
  • the storage information management module sends the weight parameter optimized by the received problem area to the corresponding signal processing module.
  • the SON optimization center sends the system parameter optimized by the problem area to the system information management module.
  • the system information management module sends the system parameter optimized by the received problem area to the corresponding signal processing module.
  • the system architecture and the optimization method of the self-organizing network provided by the embodiment of the present invention, the external measurement and control device in the system architecture of the self-organizing network is used for measuring and controlling the first engineering parameter of the informationized antenna corresponding to the external measurement and control device, And transmitting the first engineering parameter to the letter corresponding to the external measurement and control device, I, the antenna; the signal, the antenna is used to measure and control the second engineering parameter of the information antenna, and store a second engineering parameter of the information antenna and a first engineering parameter measured by the external measurement and control device corresponding to the information antenna; the base station is configured to store system parameters of a cell where any of the information antennas are located;
  • the SON function entity is configured to acquire parameters in the informationized antenna and the base station to solve the problem that it is difficult to accurately obtain antenna parameter information.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may be physically included separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
  • the above-described integrated unit implemented in the form of a software functional unit can be stored in a computer readable storage medium.
  • the above software functional units are stored in a storage medium and include instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform some of the steps of the methods described in various embodiments of the present invention.
  • a computer device which may be a personal computer, server, or network device, etc.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a disk or an optical disk, and the like, which can store program codes. Medium.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention, se rapporte au domaine technique des communications, concerne une architecture de système d'un réseau auto-organisé et un procédé d'optimisation qui résolvent le problème selon lequel il est difficile pour un système SON d'acquérir correctement des informations de paramètre d'antenne. L'architecture de système d'un réseau auto-organisé comprend : au moins une antenne d'informatisation, un dispositif de mesure et de commande externe correspondant à l'une quelconque des antennes d'informatisation, une station de base et une entité fonctionnelle de réseau auto-organisé SON, le dispositif de mesure et de commande externe étant utilisé pour mesurer et commander un premier paramètre d'ingénierie d'une antenne d'informatisation correspondant au dispositif de mesure et de commande externe, et pour envoyer le premier paramètre d'ingénierie à l'antenne d'informatisation correspondant au dispositif de mesure et de commande externe ; l'antenne d'informatisation étant utilisée pour mesurer et commander un second paramètre d'ingénierie de l'antenne d'informatisation, et pour stocker le second paramètre d'ingénierie et le premier paramètre d'ingénierie ; la station de base étant utilisée pour stocker un paramètre de système d'une cellule où se trouve l'une quelconque des antennes d'informatisation ; l'entité fonctionnelle de SON étant utilisée pour acquérir un paramètre dans l'antenne d'informatisation et la station de base.
PCT/CN2014/073151 2014-03-10 2014-03-10 Architecture de système d'un réseau auto-organisé et procédé d'optimisation WO2015135116A1 (fr)

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CN201480000108.9A CN103999501B (zh) 2014-03-10 2014-03-10 自组织网络的系统架构以及优化方法

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CN114745733B (zh) * 2022-03-30 2023-02-03 中山大学 基于son和rrm联合优化的无线网络优化方法及系统

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