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GENEX U-Net V300R005Product Description(LTE) V1.0
Issue V1.0
Date 2023-04-11
HUAWEI TECHNOLOGIES CO., LTD.
Copyright © Huawei Technologies Co., Ltd. 2009. All rights reserved.
No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd.
Trademarks and Permissions
and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd. All other
trademarks and trade names mentioned in this document are the property of their respective holders.
Notice
The purchased products, services and features are stipulated by the commercial contract made between Huawei and the customer. All or partial products, services and features described in this document may not be within the purchased scope or the usage scope. Unless otherwise agreed by the contract, all statements, information, and recommendations in this document are provided “AS IS” without warranties, guarantees or representations of any kind, either express or implied.
The information in this document is subject to change without notice. Every effort has been made in the preparation of this document to ensure accuracy of the contents, but all statements, information, and recommendations in this document do not constitute the warranty of any kind, express or implied.
Huawei Technologies Co., Ltd.
Address: Huawei Industrial Base
Bantian, Longgang
Shenzhen 518129
People's Republic of China
Website: http://www.huawei.com
Email: [email protected]
GENEX U-Net V3R5 Product Description(LTE) V1.0 PUBLIC
Contents
1 Introduction............................................................................41.1 Positioning.............................................................................................................................................4
1.2 Benifits..................................................................................................................................................5
2 Architecture...........................................................................82.1 Configuration Requirement...................................................................................................................8
2.2 Software Architecture............................................................................................................................9
3 Products and Application Scenarios.......................................103.1 Overview.............................................................................................................................................10
3.2 Application Scenario...........................................................................................................................10
4 Technical Specification..........................................................12
5 Acronyms and Abbreviations..................................................................16
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1 Introduction
1.1 PositioningThe GENEX U-Net V300R005 is a professional tool that fully supports the planning of wireless networks. It supports the LTE-FDD technology. During the entire network lifecycle, the U-Net helps operators to complete the initial design, simulation, and optimization of wireless networks.
OverviewThe U-Net provides comprehensive network planning functions, a flexible software architecture, an advanced geographic information system (GIS), rich data resources, and user-friendly GUIs. Thus, it greatly improves the work efficiency of network planning engineers.
The U-Net can benefit users in the following ways:
By using the advanced semi-dynamic simulation technology and providing high-accuracy network coverage estimation, the U-Net helps accurately estimate network investment, provide a low-cost solution, and effectively reduce the overall cost of network construction.
By providing an advanced planning algorithm and flexible network planning functions, the U-Net helps shorten the delivery time and minimize the network construction period.
By using rich experience of cooperation between Huawei and foreign 3G telecom operators, the U-Net standardizes the optimization of 3G networks and complies with international standards.
By providing easy-to-use and powerful network planning functions, the U-Net reduces technical requirements on network optimization and ensures high quality of network planning.
Position on the Network
Currently, the U-Net supports only the single-server mode. Figure 1-1 shows the position of the single-server U-Net on the network.
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Figure 1-1 Position of the U-Net on the network
Table 1-1 describes the entities in Figure 1-1.
Table 1-1 Description of the entities on the network
Entity Description
Probe The Probe is a type of drive test (DT) software developed by Huawei. It is used for collecting air interface parameters on the wireless network. The DT data and continuous wave (CW) data collected by the Probe can be imported into the U-Net for calibrating propagation models and comparing the actual network coverage and predicted network coverage during network planning.
CME The Configuration Management Express (CME) is an LTE network configuration system developed by Huawei. It is mainly used to configure and manage eNodeB data. The configuration parameter file and engineering parameter file managed by the CME can be imported into the U-Net for coverage prediction during network planning.
The analysis results provided by the U-Net can be imported to the CME and then be delivered to the network.
U-Net The U-Net is a type of network planning software developed by Huawei. It supports the LTE-FDD technology.
1.2 BenifitsIntegrating the network planning and optimization experience of Huawei, the U-Net features mature function designs, meets the actual requirements of wireless network planning, and provides comprehensive network planning functions.
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Advanced Wireless Network TechnologyThe U-Net supports simulation and planning of the LTE FDD network.
Comprehensive Network Planning
The U-Net provides comprehensive network planning functions, which helps engineers to learn about the planning objectives clearly and accurately obtain correct planning results.
The U-Net provides the following network planning functions:
Provides the high-performance propagation calculation engine and flexible propagation model.
Provides interfaces to a third-party ray tracing model and manual calibration of the propagation model.
Provides efficient and accurate coverage prediction
Provides accurate and high-performance capacity simulation.
Provides interfaces to interact with the CME to export configuration parameters from the CME and to import planning results to the CME.
Provides print functions (for example, customizing print templates).
Advanced LTE Planning Algorithm
With respect to the planning and design of the LTE network, the GENEX U-Net provides the following functions:
Advanced algorithm for planning neighboring cells
The U-Net supports repeaters and remote radio units (RRU). It is applicable to expansion scenarios. The algorithm for planning neighboring cells, which is based on the network topology and coverage, takes the physical cell IDs (PCIs) into account.
Optimized PCI planning algorithm
The U-Net supports the adjustable reserve ratio and the planning of PCI resources. In PCI planning, the U-Net considers the reuse of primary synchronization codes of the stations that has more than three sectors.
Efficient frequency planning algorithm
The U-Net supports various frequency reuse modes such as 1X1 and 1X3 for frequency planning.
Efficient auto-planning of radio frequencies (RFs)
The U-Net supports the planning of reference signal (RS) power, antenna azimuth, and antenna tilt.
Comprehensive planning of physical random access channels (PRACHs)
The U-Net supports the planning of PRACH parameters such as RootSequenceIndex, PRACHConfIndex, ZeroCorrZoneConfig, and PRACHFreqOffset.
Advanced planning of tracking areas (TAs)
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Efficient and Accurate Coverage Prediction and Capacity Simulation
The U-Net adopts many technologies to improve the efficiency and accuracy of coverage prediction and capacity simulation, thus ensuring accurate network planning.
Uses the efficient and accurate semi-dynamic simulation technology to provide simulation more similar to the actual situation.
Uses the advanced power control, scheduling, and Inter-Cell Interference Coordination (ICIC) simulation algorithm to ensure relatively accurate coverage prediction.
Uses the advanced antenna modeling technology and interference modeling technology to improve the accuracy of coverage prediction.
Supports various prediction counters to help users easily obtain prediction results from multiple dimensions.
Uses the technology of running multiple threads at the same time to maximize the use of hardware resources and ensure high-speed calculation.
Uses the dual-resolution method to calculate the matrix of path loss, thus increasing the calculation speed.
Advanced GIS
The U-Net has an advanced GIS and thus provides powerful functions in multiple aspects such as the processing of geographic data, the map display, and the map editing.
Imports multiple data files in .planet format rapidly at a time, which avoids repeated manual operations and improves work efficiency.
Quickly reads the data of a large map.
Supports map data in multiple formats and different resolution.
The U-Net supports multiple formats and types of geographic data such as digital terrain model (DTM) data, clutter classes, vector files, and scanned images.
Supports the import of raster maps, including satellite and navigation maps.
Supports common projection systems.
The U-Net supports all projection systems and geographical coordinate systems. It can automatically identify the projection used for importing data and check the relevant parameter information.
Supports flexible processing of polygons.
The U-Net enables users to add, delete, and modify polygons, perform union, intersection, and difference set operations for polygons, import and export polygons in files, and query information about polygons.
Supports the export of maps in .bmp and .png formats.
Contains the Google Earth component so that the U-Net can vividly display the predicated coverage on a 3-dimensional navigation map.
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2 Architecture
2.1 Configuration RequirementThe U-Net software is installed on a PC. Table 2-1 lists the recommended hardware configuration of the PC. Table 2-2 lists the recommended software configuration of the PC.
Table 2-1 Recommended hardware configuration
Hardware Recommended Configuration
CPU Intel dual-core 2.0 GHz or higher
Memory 2 GB or higher
Hard disk 15 GB at least
Monitor 1280 x 1024, 64000-bit color
Others CD-ROM drive, mouse, and keyboard
Table 2-2 Recommended software configuration
Software Recommended Requirement
Operating system Microsoft Windows XP SP2 or higher
Application software .NET Framework2.0
Microsoft Office 2003 or higher
Network planning software
GENEX U-Net V300R005
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2.2 Software ArchitectureThe U-Net provides a series of functions such as the GIS, service modeling, NE modeling, propagation modeling, coverage prediction, capacity simulation, parameter planning, and analysis result output.
Figure 2-1 shows the software architecture of the U-Net.
Figure 2-1 U-Net software architecture
The U-Net system consists of the following parts:
Platform
This part provides the data management functions and the common functions. The common functions mainly refer to project management, GIS, NE modeling, service modeling, and propagation modeling. The U-Net manages all the platform functions by using the project management function. In addition, the project management function provides interfaces to support service functions of the system application part.
System application (LTE-FDD)
This part provides service functions for the actual network system, including parameter planning, capacity simulation, coverage prediction, and result analysis. The parameter planning mainly involves the planning of neighboring cells, PCIs, frequencies, PRACHs, TAs, and the RF auto-planning.
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3 Products and Application
Scenarios
3.1 OverviewThe U-Net is applicable to the scenarios such as site deployment, propagation model calibration, network planning, RF planning, coverage prediction, and capacity simulation. It can interact with the CME.
3.2 Application ScenarioFigure 3-1 shows the main application scenarios of the U-Net.
Figure 3-1 Application scenarios of the U-Net
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Table 3-1 describes the application scenarios.
Table 3-1 Description of the U-Net application scenarios
Scenario
Description
Site deployment
After the area for deploying a site is specified, the U-Net quickly creates the site on the map by using the base station (BS) template. By performing point analysis, the U-Net can analyze the ground altitude and clutter height along the profile of the propagation path to adjust site deployment.
Model calibration
Users can manually or automatically enable the U-Net to calibrate the propagation model based on the DT data and the CW data. The U-Net displays the model on the GIS to analyze the error in the model-based calculation.
Network planning
The U-Net helps users to plan configuration parameters of the LTE network, such as parameters related to the neighboring cells, PCIs, frequencies, PRACHs, and TAs.
RF planning
The U-Net helps users to plan configuration parameters of antennas to ensure optimal network coverage and capacity.
Coverage prediction
The U-Net starts the coverage prediction after importing the map and configuring network data, service model, and propagation model. By analyzing network coverage, it locates the area that has poor coverage.
Capacity simulation
After the traffic parameters are configured and the traffic map is set according to the planning, the U-Net performs the simulation calculation based on the traffic map.
In capacity simulation, the U-Net can also analyze KPIs such as the success rate of subscriber access and the call drop rate. In addition, it analyzes the coverage of common channels and traffic channels based on the specific network load provided in the simulation calculation results.
Interaction with the CME
Users can obtain configuration parameters from the CME and then import them to the U-Net for coverage prediction and analysis.
The analysis results provided by the U-Net can be imported to the CME and then be delivered to the network.
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4 Technical Specification
Capacity Simulation
Table 4-1 lists the technical specifications related to the capacity simulation when the system adopts the recommended configuration.
Table 4-1 Technical specifications related to the capacity simulation
Configuration Operation Time
Number of BSs: 4,000
Number of subscribers: 480,000
Interference radius: 1,500 meters
Distance between BSs: 500 meters
Number of transmission time intervals (TTIs): 500
Number of snapshots: 1
Capacity simulation ≤ 8 hours
Propagation Model
Table 4-1 lists the technical specifications related to the propagation model when the system adopts the recommended configuration.
Table 4-1 Technical specifications related to the propagation model
Configuration Operation Time
Number of BSs: Calculation of path loss ≤ 10 minutes
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Configuration Operation Time
4,000
Calculation radius: 1,500 meters
Calculated accuracy: 20 meters
Automatic calibration of the propagation model
≤ 10 minutes
Project Management
Table 4-1 lists the technical specifications related to the project management when the system adopts the recommended configuration.
Table 4-1 Technical specifications related to the project management
Configuration Operation Time
- Starting the U-Net ≤ 2 seconds
Number of BSs: 4,000
Number of coverage prediction groups: 5
Number of specifications for each coverage prediction group: 3
Number of capacity simulation groups: 1
Creating a project ≤ 3 seconds
Opening a project ≤ 10 seconds
Saving a project ≤ 10 seconds
Exporting project parameters
≤ 30 seconds
Importing project parameters
≤ 30 seconds
Number of DT data records: 1,000
Importing DT data ≤ 1 second
Number of CW data records: 1,000
Importing CW data ≤ 2 seconds
Coverage Prediction
Table 4-1 lists the technical specifications related to the coverage prediction when the system adopts the recommended configuration.
Table 4-1 Technical specifications related to the coverage prediction
Configuration Operation Time
Number of BSs: 4,000
Calculation radius: 1,500
Predicting the Best Server item
≤ 30 minutes
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Configuration Operation Time
meters
Distance between BSs: 500 meters
Calculation range: all the areas covered on the map
Calculation accuracy: 20 meters
Predicting the DLRS Sinr item
> 1 hour
Predicting the PDSCH Throughput item
≤ 30 minutes
Parameter Planning
Table 4-1 lists the technical specifications related to the parameter planning when the system adopts the recommended configuration.
Table 4-1 Technical specifications related to the parameter planning
Configuration Operation Time
Number of cells: 4,000
Calculation radius: 40,000 meters
Calculation range: all the areas covered on the map
Planning frequencies ≤ 30 minutes
Planning neighboring cells
≤ 10 minutes
Planning PCIs ≤ 30 minutes
Planning RFs ≤ 30 minutes
GIS
Table 4-1 lists the technical specifications related to the GIS when the system adopts the recommended configuration.
Table 4-1 Technical specifications related to the GIS
Configuration Operation Time
Large map in .planet format (10,000*10,000 Bin points)
Importing the map rapidly
≤ 3 seconds
Super large map in .planet format (50,000*50,000 Bin points)
≤ 1 minute
Large map in .planet format (10,000*10,000 Bin points)
Zooming in, zooming out, or dragging the map
≤ 2 seconds
Super large map in .planet format (50,000*50,000 Bin points)
≤ 2 seconds
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Configuration Operation Time
Large map in .planet format (10,000*10,000 Bin points)
Collecting statistics on the clutters
≤ 30 seconds
Super large map in .planet format (50,000*50,000 Bin points)
≤ 3 minutes
Large map in .planet format (10,000*10,000 Bin points)
Adjusting the sequence of map layers
≤ 2 seconds
Super large map in .planet format (50,000*50,000 Bin points)
≤ 1 minute
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5 Acronyms and Abbreviations
Table 5-1 List of abbreviations
Abbreviations
Expansion
ACP Automatic Cell Planning
CME Configuration Management Express
CW Continuous Wave
FDD Frequency Division Duplex
GIS Geographic Information System
ICIC Inter-Cell Interference Coordination
LTE Long Term Evolution
PBCH Physical Broadcast Channel
PCFICH Physical Control Format Indicator Channel
PCI Physical Cell ID
PDCCH Physical Downlink Control Channel
PDSCH Physical Downlink Shared Channel
PHICH Physical Hybrid ARQ Indicator Channel
PRACH Physical Random Access Channel
PUCCH Physical Uplink Control Channel
PUSCH Physical Uplink Shared Channel
RB Resource Block
RF Radio Frequency
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Abbreviations
Expansion
RRU Remote Radio Unit
RS Reference Signal
RSRP Reference Signal Received Power
RSRQ Reference Signal Received Quality
SPM Standard Propagation Model
TA Tracking Area
TTI Transmission Time Interval
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