TW201904350A - Mobile base station apparatus group capacity optimization system and method thereof effectively balancing the capacities of multiple mobile base station apparatuses in the group and optimizing the overall network capacity - Google Patents

Abstract

This invention provides a mobile base station apparatus group capacity optimization system and method thereof. The system includes a plurality of mobile base station apparatuses and a management apparatus, wherein the management apparatus is connected to the mobile base station apparatuses and sets a list of base station groups including base station information and load information of the mobile base station apparatuses, wherein the management apparatus marks the mobile base station apparatus a capacity of which exceeds a threshold value and configures communication coverage settings of the mobile base station apparatuses and other mobile base station apparatuses in the same group. By means of the above configuration, this invention can effectively balance the capacities of multiple mobile base station apparatuses in the group and optimize the overall network capacity.

Description

 Action base station device group capacity optimization system and method thereof  

The invention relates to a mobile base station device management technical solution, in particular to a management technical solution for optimizing the operation group station device group capacity.

In order to provide better wireless communication services for subscribers, telecom service providers will increase the transmission capacity of wireless communications by increasing the number and density of mobile base station devices.

However, in the network environment where the mobile base station equipment is densely deployed, as the amount of transmission of the user's traffic increases rapidly, the transmission information of other users located in the same mobile base station will be affected to a considerable extent. The mobile base station is not free to change the coverage of its communication, and often causes the load of the specific mobile base station device to be fully loaded, while the adjacent mobile base station service load is lightly loaded but cannot share its transmission volume.

In summary, how to provide a solution to the aforementioned problems is a technical problem that needs to be solved in the field.

In order to solve the problems disclosed above, an object of the present invention is to provide a technical solution for capacity optimization of a mobile base station device group.

To achieve the above object, the present invention proposes a mobile base station device group capacity optimization system. The system includes a plurality of mobile base station devices and a management device, wherein the management device is connected to the mobile base station device and sets a list of base station groups including base station information and load information of the mobile base station device, wherein the management device marks the load The mobile base station device that exceeds the threshold value and configures the communication coverage settings of the mobile base station device and other mobile base station devices in the same group.

In order to achieve the above object, the present invention further provides a method for optimizing the group capacity of the mobile base station device. The foregoing method is applied to a mobile base station device group capacity optimization system, and the mobile base station device group capacity optimization system includes a plurality of mobile base station devices and a management device connected thereto, and the foregoing method includes the following steps: setting the management device a list of base station groups including base station information and load information of the mobile base station device, and an action base station device that causes the management device to mark the load exceeding the threshold, and the mobile base station device and other mobile bases in the same group The communication of the device covers the settings for configuration.

In summary, the present invention improves the load and optimization of multiple mobile base station devices in a balanced group by grouping the base stations and adjusting the base station coverage adjustment according to the traffic load of the base station. Overall network capacity.

Communication coverage of BS1~BS3‧‧‧ mobile base station installations

1‧‧‧Mobile base station unit group capacity optimization system

11‧‧‧Mobile base station installation

12‧‧‧Management device

2‧‧‧User terminal device

1 is a block diagram of a group capacity optimization system for a mobile base station apparatus according to a first embodiment of the present invention.

2 is a flow chart of a method for optimizing a group capacity of a mobile base station apparatus according to a second embodiment of the present invention.

FIG. 3 is a schematic diagram of an example of an application scenario of the present invention.

4 is a flow chart of establishing a base station group list for the mobile base station device group capacity optimization system of the present invention.

FIG. 5 is a flowchart of performing transmission power adjustment of a group capacity optimization system of a mobile base station apparatus according to the present invention.

FIG. 6 is a schematic diagram of an application scenario of a group capacity optimization of a mobile base station device.

The specific embodiments are described below to illustrate the embodiments of the invention, but are not intended to limit the scope of the invention.

Please refer to FIG. 1, which is a block diagram of a mobile station device group capacity optimization system 1 according to a first embodiment of the present invention. The foregoing system includes a plurality of mobile base station devices 11 and management devices 12. The management device 12 is connected to the mobile base station device 11 and provides a list of base station groups including base station information and load information of the mobile base station device 11, wherein the management device 12 marks the mobile base station device 11 whose load exceeds the threshold value. And configuring the communication coverage settings of the mobile base station device 11 and other mobile base station devices 11 in the same group. The connection between the management device 12 and the mobile base station device 11 can be directly connected or via a network, and can be wired or wireless, so that the management device 12 collects the base station information and load information of the mobile base station device 11, and can configure actions. The coverage of the base station device 11 is set.

In another embodiment, the management device 12 configures the communication coverage settings of the mobile base station device 11 located in the same group and having a relatively light load.

In another embodiment, the foregoing communication covers setting the communication coverage of the mobile base station device 11 for reducing the load exceeding the threshold, and increasing the load for the relatively light-loaded mobile base station device 11 to cover the communication.

In another embodiment, the management device 12 obtains the wireless measurement report of the service device in the service range via the mobile base station device 11 to determine the load level of the mobile base station device 11 and the strength and quality of the used device signal.

In another embodiment, the foregoing communication covers the set adjustment adjustment system to adjust the base station bandwidth transmission power size or adjust the base station directivity antenna downtilt angle or both.

Please refer to FIG. 2, which is a flowchart of a method for optimizing a group capacity of a mobile base station apparatus according to a second embodiment of the present invention. The foregoing method is applied to a mobile base station device group capacity optimization system, and the mobile base station device group capacity optimization system includes a plurality of mobile base station devices and a management device connected thereto. The foregoing method includes the following steps:

S101: Let the management device set a list of base station groups including base station information and load information of the mobile base station device.

S102: The management device marks the mobile base station device whose load exceeds the threshold, and configures the communication coverage settings of the mobile base station device and other mobile base station devices in the same group.

In another embodiment, the management device of the foregoing method configures the communication coverage settings of the mobile base station devices located in the same group and having a relatively light load.

In another embodiment, the communication of the foregoing method covers setting a communication coverage of the mobile base station device that reduces the load exceeding the threshold, and increases the communication coverage of the mobile base station device with a relatively light load.

In another embodiment, the management device of the foregoing method obtains a wireless measurement report of the user device in the service range via the mobile base station device to determine the load level of the mobile base station device and the strength and quality of the used device signal.

In another embodiment, the communication of the foregoing method covers setting the adjustment system to adjust the base station bandwidth transmission power size or adjusting the down-tilt angle of the base station directional antenna or both.

The following description of the mobile station device group capacity optimization system 1 of the first embodiment is described by way of example (FIGS. 3 to 6), but the group capacity optimization method of the mobile base station device 11 of the second embodiment is also the same or similar. Technical efficacy. The present invention is mainly applied to a network environment having a plurality of adjacent mobile base station devices 11, with the main purpose of increasing system network capacity and overall user transmission rate.

Please refer to FIG. 1 and FIG. 3 together. FIG. 3 is a schematic diagram of an application scenario of the present invention. In this application scenario example, multiple mobile base station devices 11 have communication coverages (BS1~BS3) adjacent to each other, and most of the coverage areas do not overlap, and when a certain base station cell's transmission traffic load is overloaded and When the number of connections of the user terminal device 2 is large, and the load of the other base station cells is relatively light, the size of the unit bandwidth transmission power of the mobile base station device 11 is adjusted or the downtilt angle of the base station directional antenna is adjusted or the above Both are tuned to optimize the coverage of multiple mobile base station devices 11 to balance network traffic loads and optimize network capacity for the overall system.

First, the mobile base station device group capacity optimization system 1 performs the following steps (shown in FIG. 4) to establish a base station group list: S201, and obtains a neighboring base by using an environmental scan (REM) between the mobile base station devices 11. The signal strength of the station is RSRP... and other related information; S202, the wireless measurement report (Measurement Report) reported by the user terminal device 2 (UE), the number of handovers between the statistical base station and the neighboring base station is >N times; S203, At least two base stations in the network are grouped to establish a list of base station groups.

After the base station group list for capacity optimization is established, the load information of the plurality of mobile base station devices 11 in the same group is obtained through periodic/non-periodic and central centralized, and the physical resource block is used. Ratio (PRB utilization%), number of user terminal devices 2 (active UE number), etc., to determine whether the load of a certain mobile base station device 11 exceeds the threshold (reload), and other actions in the group list When the base station device 11 is under relatively light load, a calculation of coverage adjustment is performed to optimize the network capacity of the plurality of mobile base station devices 11 in the same group.

The above-mentioned periodic and central centralized acquisition mobile base station device 11 information and load information includes the following: (1) mobile base station device 11 cell identification code, for example: CID, Serial number; (2) transmission power, for example: TX power Reference signal power; (3) Frequency and bandwidth used: Carrier frequency, Bandwidth usage (4) Empty median resource usage: UL/DL total PRB utilization%; (5) Number of service users: Average/Max number of active UE Number on the UL/DL; and (6) Service rate: Average/Max UL/DL cell throughput related parameters.

The communication coverage can be adjusted as follows: (1) adjusting the mobile station base device 11 unit bandwidth transmission power; (2) adjusting the downward tilt angle of the directional antenna of the mobile base station device 11. If the adjustment is performed by adjusting the transmission power of the mobile base station device 11, the load information of the mobile base station device 11 and the wireless signal status (RSRP_serving, RSRP_detected) in the UE measurement report of the user terminal device 2 are used. As a basis, the number of user terminal devices 2 (UEs) to be unloaded is evaluated, and the transmission power value ΔTX that needs to be adjusted by the plurality of mobile base station devices 11 is calculated, and is indicated in the group of the same mobile base station device 11 At least one mobile base station device 11 performs transmission power adjustment. The operation steps are as shown in Figure 5:

S301: Acquire load information of a plurality of mobile base station apparatuses 11 in the same group, for example, PRB utilization, active UE number, and the like.

S302: It is judged whether the load of the certain mobile base station device 11 exceeds the threshold value (reload), the heavy-duty mobile base station device 11 may be plural, and the other mobile base station devices 11 in the group list are relatively lightly loaded.

S303: Depending on the load information of the mobile base station device 11 and the wireless signal status in the wireless measurement report of the user terminal device 2, the number of user terminals to be unloaded is evaluated to calculate a transmission power value that needs to be adjusted by the plurality of mobile base station devices 11.

S304: Adjust the unit bandwidth and transmission power of at least one mobile base station in the same base station group to optimize system network capacity.

The foregoing coverage adjustment is performed by the management device 12, and the management device 12 can be implemented by a centralized self-organizing network server (CSON server), but the centralized self-organizing network server is not limited to a single physical network device, as long as the network component is available. Providing such centralized processing functions is included in the definition of centralized self-organizing network servers.

Please refer to FIG. 1 and FIG. 6 . FIG. 6 is a schematic diagram of a group capacity optimization application scenario of the mobile base station device 11 . By periodically adjusting the coverage (BS1 to BS3) of the mobile base station device 11, the coverage (BS2) of the mobile base station device 11 whose load is overloaded and the number of the user terminal devices 2 is connected is appropriately reduced, and the load is made The coverage (BS1, BS3) of the relatively light-duty mobile base station device 11 is appropriately expanded, so that the user terminal device 2 located at the cell edge of the mobile base station device 11 (BS2) whose load is overloaded is unloaded to the vicinity of the light load. The base station device cells are capable of increasing the average transmission rate of each user terminal device 2 and optimizing the coverage and capacity of the overall system.

The detailed description of the preferred embodiments of the present invention is intended to be limited to the scope of the invention, and is not intended to limit the scope of the invention. The patent scope of this case.

Claims (10)

 An action base station device group capacity optimization system, comprising: a plurality of mobile base station devices; and a management device, connected to the mobile base station devices and configured to provide base station information and load information of the mobile base station devices A list of base station groups, wherein the management device marks the mobile base station device whose load exceeds the threshold value, and configures the communication coverage settings of the mobile base station device and other of the mobile base station devices in the same group.    The mobile base station device group capacity optimization system according to claim 1, wherein the management device configures the communication coverage setting of the mobile base station device in the same group and having a relatively light load.    The mobile base station device group capacity optimization system according to claim 2, wherein the communication covers setting a communication coverage of the mobile base station device that reduces the load exceeding the threshold, and increasing the load to the relatively light load. The communication of the base station device is covered.    The mobile base station device group capacity optimization system according to claim 1, wherein the management device obtains a wireless measurement report of the user device in the service range via the mobile base station device to determine the action base station device Load situation.    The action base station device group capacity optimization system according to any one of claims 1 to 4, wherein the communication coverage setting adjusts a base station unit bandwidth transmission power level or adjusts a base station directional antenna downtilt angle.    An action base station device group capacity optimization method is applied to a mobile base station device group capacity optimization system, wherein the mobile base station device group capacity optimization system comprises a plurality of mobile base station devices and a communication device connected thereto Included in the following steps: causing the management device to set a list of base station groups including base station information and load information of the mobile base station devices; and the mobile base station device for causing the management device to mark the load exceeding the threshold value, and The communication coverage settings for the mobile base station device and other such mobile base station devices in the same group are configured.    The mobile base station device group capacity optimization method according to claim 6, wherein the management device configures the communication coverage setting of the mobile base station device in the same group and having a relatively light load.    The mobile base station device group capacity optimization method according to claim 7, wherein the communication covers a communication coverage of the mobile base station device that reduces the load exceeding the threshold, and increases the load to the mobile base. The communication of the device is covered.    The method for optimizing a group capacity of a mobile base station device according to claim 6, wherein the management device obtains a wireless measurement report of the user device in the service range via the mobile base station device, to determine that the mobile base station device situation.    The mobile base station device group capacity optimization method according to any one of claims 6 to 9, wherein the communication coverage setting adjusts a base station unit bandwidth transmission power size or adjusts a base station directional antenna downtilt angle.