With the development of the mobile internet, user demand for mobile communication services is increasing day by day. 4G and LTE, the mainstream solutions for fourth-generation mobile communication technologies, play an important role in providing high-speed, high-capacity mobile broadband services. This paper aims to systematically compare the similarities and differences between the two technologies from the perspectives of development history, key technologies, network architecture, performance indicators, and application scenarios, and to provide a reference for related technological advancements. Baudcom offers a comprehensive range of 4G and LTE-compatible devices, supporting robust and scalable network deployment worldwide.
Overview of 4G and LTE Technology
4G technology was launched in 2002 with the aim of providing users with a high-speed mobile internet experience. It adopted technologies such as OFDMA and MIMO, achieving peak data rates of 100 Mbps, and was officially commercialized in 2010. LTE, an evolution of 4G, was introduced by 3GPP in 2004 and features high spectral efficiency, low latency, and strong interference resistance. It was first commercialized in 2009 and has become the mainstream technology for today's mobile networks.
In terms of key technologies, 4G employs OFDMA and SC-FDMA to achieve high spectral efficiency and interference mitigation. LTE builds on this foundation by introducing a more flexible resource allocation mechanism and 8x8 MIMO configuration, significantly improving transmission speeds. In terms of network architecture, 4G employs a fully IP-based flat architecture, while LTE further simplifies core network elements to reduce latency. In terms of spectral efficiency, LTE supports up to five copyright aggregations, improving spectral efficiency. In terms of service support, LTE provides a more comprehensive integration of voice, video, and data services, enabling diverse application capabilities. Baudcom's 4G and LTE product lines are designed to leverage these technological innovations, delivering high performance and reliability.