CDMA

What are the features of IS-95? IS-95, short for Interim Standard-95, is a second-generation (2G) digital cellular technology that played a significant role in the evolution of mobile communication. Also known as CDMAOne, IS-95 was developed by Qualcomm and introduced as a digital replacement for the analog cellular systems that preceded it. In this detailed … Read more

What are the disadvantages of multiple access techniques? Multiple Access Techniques are methods used in telecommunications to allow multiple users or devices to share a common communication medium, such as a radio channel or a network. While these techniques are essential for efficient utilization of resources, they also come with disadvantages. In this detailed explanation, … Read more

What are the disadvantages of LNA? A Low-Noise Amplifier (LNA) is an electronic device used in communication systems to amplify weak signals with minimal addition of noise. LNAs are important components in various applications, such as radio receivers, satellite communication, and wireless networking. While LNAs offer several advantages, they also have their own set of … Read more

What are the disadvantages of a MEO satellite? Medium Earth Orbit (MEO) satellites are positioned in an orbit that is higher than Low Earth Orbit (LEO) satellites but lower than Geostationary Earth Orbit (GEO) satellites. While MEO satellites offer several advantages, such as a balance between coverage and latency, they also have some disadvantages. In … Read more

What are the advantages of using LNA? A Low-Noise Amplifier (LNA) is a critical component in many electronic systems, especially in the field of RF (Radio Frequency) and microwave communication. Its primary purpose is to amplify weak signals while introducing as little noise as possible. In this detailed explanation, we will explore the advantages of … Read more

What are the advantages of orthogonal codes? Orthogonal codes play a crucial role in various communication systems, especially in the context of spread spectrum and code-division multiple access (CDMA) technologies. These codes offer several advantages that make them valuable in practical applications. In this detailed explanation, I will delve into the advantages of orthogonal codes. … Read more

What are the advantages of CDMA2000 over GSM? CDMA2000 and GSM (Global System for Mobile Communications) are two different cellular technologies that have been used for 2G and 3G mobile networks. CDMA2000, a code-division multiple access technology, has several advantages over GSM, a time-division multiple access technology. Advantages of CDMA2000 over GSM: Increased Capacity: CDMA2000 … Read more

What are the advantages of CDMA digital cellular system? Code Division Multiple Access (CDMA) is a digital cellular technology that offers several advantages over other cellular systems like Frequency Division Multiple Access (FDMA) and Time Division Multiple Access (TDMA). CDMA has been widely used in 2G and 3G cellular networks and has had a significant … Read more

Code Division Multiple Access (CDMA) encompasses various types of cellular technologies, including CDMA One (IS-95), CDMA2000, WCDMA, CDMA450, and more. CDMA One and CDMA2000 were used in earlier 2G and 3G networks, while WCDMA powered 3G networks with wider bandwidth. CDMA450 operates in the 450 MHz band for extended coverage. What are the types of … Read more

CDMA2000 1xEV offers two options: 1xEV-DO, which prioritizes high-speed data services with features like packet data, low latency, and operates in various frequency bands and 1xEV-DV, which integrates both data and voice services, improving voice quality, but with slightly lower data capabilities, and can coexist with 1xEV-DO in hybrid networks. The choice between them depends … Read more