Get Here about CDMA technology and How CDMA Works, CDMA Solution and CDMA RF Optimization.
Time Division-Synchronous Code Division Multiple Access (TD-SCDMA) is a unique 3G mobile communication standard developed in China. It combines time division duplex (TDD) and code division multiple access (CDMA) technologies. Here are the technical specifications of TD-SCDMA: 1. Frequency Band and Spectrum: TDD Spectrum: TD-SCDMA operates in the TDD spectrum, meaning that it uses the … Read more
Code Division Multiple Access 1x (CDMA 1x) is a digital wireless technology that falls under the CDMA2000 family of standards. It represents an evolution of the original CDMA technology, providing enhancements for both voice and data communication. Here is a detailed explanation of the technology of CDMA 1x: 1. Basic Principles of CDMA: Spread Spectrum … Read more
Quadrature Phase Shift Keying (QPSK) is a digital modulation scheme widely used in communication systems to encode and transmit data. QPSK offers advantages in terms of spectral efficiency and robustness against channel impairments. Let’s delve into the detailed use and applications of QPSK: 1. Basic Principles of QPSK: Phase Modulation: QPSK is a type of … Read more
The width of a Code Division Multiple Access (CDMA) channel is a crucial parameter that determines the amount of frequency spectrum allocated for communication. CDMA is a digital wireless communication technology that allows multiple users to share the same frequency band simultaneously, distinguishing their signals using unique codes. Let’s explore the width of a CDMA … Read more
Quadrature Phase Shift Keying (QPSK) is a digital modulation scheme that falls under the category of phase shift keying (PSK). In QPSK, the phase of the carrier signal is modulated to represent digital data. Let’s explore in detail the type of modulation that QPSK uses: 1. Basic Principles of QPSK: Phase Modulation: QPSK is a … Read more
Phase Shift Keying (PSK) is a digital modulation technique where the phase of the carrier signal is varied to represent different symbols, typically binary data. The specific phase shifts used in PSK depend on the variant of PSK being employed. Let’s explore the common phase shifts used in various PSK schemes in detail: 1. Binary … Read more
Phase Shift Keying (PSK) is a digital modulation method used in communication systems to transmit digital data by varying the phase of a carrier signal. The primary principle behind PSK is encoding information in the phase shifts of the carrier wave. Let’s explore the PSK method in detail: 1. Basic Concept of PSK: Phase Modulation: … Read more
What is the Purpose of PSK? PSK, or Phase Shift Keying, is a digital modulation technique used in communication systems to transmit data by modulating the phase of a carrier signal. The primary purpose of PSK is to represent digital information efficiently over an analog carrier, enabling reliable and high-speed communication in a wide range … Read more
The Radio Network Controller (RNC) in Code Division Multiple Access (CDMA) refers to a critical component within the CDMA network architecture, specifically in the context of CDMA2000 and its subsequent generations. The RNC plays a central role in managing and controlling the radio resources within the CDMA network. Let’s delve into the details of the … Read more
Quadrature Phase Shift Keying (QPSK) is a digital modulation scheme that encodes data in the phase of a carrier signal. The QPSK modulation generates a signal with distinct phase shifts representing different symbols. Let’s delve into the details of the signal produced by QPSK modulation: 1. Basic Principles of QPSK: Phase Encoding: QPSK modulates the … Read more