Sigma-LA is a Windows-based drive test solution developed by Meritech Co., Ltd., designed to capture, monitor, and save RF log data from multiple User Equipment , scan receivers, and GPS devices. It supports data collection across various network technologies, including NR5G, LTE, WCDMA, GSM, and GPRS. With built-in support for hundreds of Key Performance Indicators , such as throughput parameters and packet error rates, Sigma-LA provides comprehensive insights into network performance. Its intuitive interface offers synchronized views like Protocol Message View, Layer 1 data graphs, and live maps, facilitating real-time analysis and troubleshooting. Additionally, Sigma-LA enables real-time Layer 3 protocol decoding and supports playback of log files for post-analysis, making it an effective tool for network optimization and maintenance. Key Features and Functionality: - Comprehensive Data Collection: Automatically communicates with attached UEs to collect Layer 1, 2, and 3 data directly from the chipset, supporting multiple UEs, scanners, and GPS devices simultaneously. - Real-Time Data Display: Displays collected data from Layer 1 to Layer 3 in real-time across various synchronized views, including live maps and protocol message views, enhancing immediate analysis capabilities. - Advanced Troubleshooting Tools: Supports playback of log files with features like displaying call events on cell search charts, synchronized Layer 3 decode views with map displays, and real-time analysis of handovers and radio link failures. - Extensive Network Support: Compatible with NR5G, LTE-A, LTE, WCDMA, HSPA, HSPA+, GSM, and GPRS technologies, providing versatility across different network environments. - User-Friendly Interface: Designed with intuitive screens and displays, allowing for customizable views and live data display, making on-the-go analysis more efficient. Primary Value and User Solutions: Sigma-LA addresses the critical need for efficient network quality verification through drive tests, enabling competitive measurement among networks. By providing real-time data collection and analysis, it empowers network operators to identify and resolve issues promptly, ensuring optimal network performance. Its support for multiple devices and network technologies makes it a versatile tool for comprehensive network monitoring and optimization. The intuitive interface and advanced troubleshooting features streamline the analysis process, reducing the time and effort required for network maintenance and enhancement.