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What is the RACH channel in GSM?

In GSM (Global System for Mobile Communications), the RACH (Random Access CHannel) is a channel used for the establishment of a connection between a mobile device and the network. The RACH channel plays a vital role in the initial access procedure and is primarily employed for call setup and location updating. Here’s a detailed overview: … Read more

What is the paging channel of GSM?

In GSM (Global System for Mobile Communications), the paging channel plays a crucial role in the communication between the mobile device and the network. The paging channel is responsible for alerting the mobile device about incoming calls or messages. Here’s a brief overview: Definition: The paging channel in GSM is known as the PCH (Paging … Read more

What is the PDP address in telecom?

In telecommunications, specifically in the context of GSM (Global System for Mobile Communications) and GPRS (General Packet Radio Service), the term “PDP address” refers to the Packet Data Protocol (PDP) address assigned to a mobile device. Let’s delve into the details: Definition: The PDP address is associated with the establishment of a Packet Data Protocol … Read more

What is the Pdtch channel in GSM?

In GSM (Global System for Mobile Communications), the PDTCH (Packet Data Traffic Channel) is a channel type used for the transmission of packet-switched data. Let’s explore the PDTCH channel in more detail: Definition: The PDTCH is a dedicated channel designed to carry packet-switched data traffic in GSM networks. It is used for services such as … Read more

What is the main reason of using Yagi antenna?

The Yagi antenna, also known as a Yagi-Uda antenna, is widely used for its directional properties, making it a popular choice in various communication applications. The main reason for using a Yagi antenna lies in its ability to provide high gain and directivity, making it effective for both transmitting and receiving signals in a specific … Read more

What is the EIRP power of an antenna?

Equivalent Isotropically Radiated Power (EIRP) is a measure of the power radiated by an antenna in a specific direction, normalized to the power that would be radiated by an isotropic radiator (an idealized point source that radiates equally in all directions). EIRP takes into account both the power supplied to the antenna and its directional … Read more

What is the Electronic Serial Number ESN?

The Electronic Serial Number (ESN) is a unique identifier assigned to a mobile device, primarily used in older generations of mobile networks, such as analog and early digital cellular systems. The ESN serves as a means of identifying individual mobile devices on a network. Here are key points about the Electronic Serial Number: Uniqueness: The … Read more

What is the main difference between HSCSD and GPRS?

HSCSD (High-Speed Circuit-Switched Data) and GPRS (General Packet Radio Service) are both technologies used in mobile telecommunications to provide data services. However, they differ in their approach to data transmission. Let’s explore the main differences between HSCSD and GPRS: HSCSD (High-Speed Circuit-Switched Data): 1. Data Transmission: Circuit-Switched: HSCSD operates on a circuit-switched network, where a … Read more

What is the difference between PSTN and cellular?

Public Switched Telephone Network (PSTN) and cellular networks are two distinct communication systems that serve different purposes and utilize different technologies. Let’s explore the key differences between PSTN and cellular networks: PSTN (Public Switched Telephone Network): 1. Infrastructure: Wired Infrastructure: PSTN relies on a wired infrastructure, using copper or fiber-optic cables to connect telephone lines … Read more

What is the difference between stub area and NSSA?

In the context of OSPF (Open Shortest Path First), stub areas and NSSA (Not-So-Stubby Area) are two types of areas that have specific characteristics and purposes within the OSPF routing domain. Let’s explore the key differences between stub areas and NSSA: Stub Area: 1. Routing Information: Limited Routing Information: In a stub area, routers within … Read more