CDMA

Phase Shift Keying (PSK) is a digital modulation technique used in communication systems to transmit data by varying the phase of the carrier signal. 8-PSK, or 8-Phase Shift Keying, is a specific modulation scheme within the PSK family that uses eight different phase shifts to represent a set of three bits per symbol. Let’s explore … Read more

What is the Difference Between 8PSK and QPSK? 8PSK (8 Phase Shift Keying) and QPSK (Quadrature Phase Shift Keying) are both digital modulation techniques used in communication systems to transmit data over radio waves. These modulation schemes are essential in modern wireless communications, particularly in technologies such as 3G, 4G, and satellite communication. Both 8PSK … Read more

Differential Quadrature Phase Shift Keying (DQPSK) and Quadrature Phase Shift Keying (QPSK) are both digital modulation techniques used in communication systems to transmit data by varying the phase of the carrier signal. The primary difference between them lies in how the phase information is encoded and represented in the transmitted signals. Let’s explore the differences … Read more

Evolution-Data Optimized (EV-DO) is a wireless broadband network type designed to provide high-speed data transfer capabilities over Code Division Multiple Access (CDMA) mobile communication networks. EV-DO is specifically tailored to meet the growing demand for data-centric applications and services, offering faster internet access on mobile devices. Let’s explore in detail what the EV-DO network type … Read more

Frequency Shift Keying (FSK) and Phase Shift Keying (PSK) are two modulation techniques used in digital communication to encode information in the form of discrete signals. These techniques play a fundamental role in various communication systems, including telecommunications, data transmission, and wireless communication. Let’s delve into the details of FSK and PSK: 1. Frequency Shift … Read more

In Code Division Multiple Access (CDMA) networks, a “handoff” or “handover” refers to the process of transferring an ongoing call or data session from one cell or base station to another without interruption. This mechanism is crucial for maintaining seamless communication as mobile devices move through different coverage areas within a CDMA network. Let’s explore … Read more

Differential Phase Shift Keying (DPSK) is a digital modulation scheme used in telecommunications to transmit data over radio frequency (RF) or optical communication channels. DPSK is specifically designed to address certain challenges in signal transmission and offers advantages in certain applications. Let’s explore in detail what DPSK is used for and the key aspects of … Read more

What is eHRPD Network? eHRPD stands for evolved High Rate Packet Data. It is a network architecture developed to provide a smooth migration path between CDMA-based networks and LTE (Long Term Evolution) networks. Specifically, eHRPD is an evolution of the HRPD (High Rate Packet Data) system, also known as EV-DO (Evolution-Data Optimized), and it enables … Read more

Evolution-Data Optimized (EV-DO) is a wireless broadband standard and a key technology in the evolution of Code Division Multiple Access (CDMA) mobile communication systems. It was developed to enhance data transfer rates over CDMA networks, allowing for faster and more efficient internet access on mobile devices. Let’s explore in detail what EV-DO is, its features, … Read more

Code Division Multiple Access (CDMA) is a digital cellular technology that allows multiple users to share the same frequency band simultaneously. CDMA achieves this by assigning a unique code to each user, enabling the simultaneous transmission of multiple signals in the same frequency spectrum. Let’s delve into the details of CDMA and explore its different … Read more