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Explore cell phone radiation effects on the body, common symptoms, and the best methods for protection. Learn how to reduce exposure and potential health risks.
Explore the CPRI frame structure, line rates, and their importance in Remote Radio Heads (RRH) for efficient data transmission and wireless communication systems.
Explore the advantages and disadvantages of Direct to Mobile (D2M) technology, which enables direct broadcasting to mobile devices without internet.
Explore the fundamental differences between FDD and TDD in wireless communication. Learn about frequency allocation, synchronization, hardware complexity, and their suitability for various scenarios.
Explore the GPRS protocol stack, detailing the functions of Layer 1, Layer 2, and Layer 3, including SM, GMM, SNDCP, LLC, RLC, MAC, and the physical layer.
Understand GSM timing advance errors, their impact on burst measurements, and how test systems like the Rohde & Schwarz CRTU validate mobile transmissions.
Overview of Frame Error Rate (FER) testing limits for GSM user equipment (UE) in the 900MHz and 1800MHz frequency bands according to 3GPP TS 51.010.
This article explains GSM handover failures from UTRAN due to physical channel issues, leading to timer T313 expiry, and outlines the handover procedure.
Explore the GSM Mobile Originated (MO) call flow, detailing the messages exchanged between the mobile device and network layers during call setup and release.
Explore GSM packet-switched channels, focusing on GPRS (CS1-CS4) and EGPRS (MCS1-MCS9) coding schemes at the physical layer. Understand data rates and robustness trade-offs.
Explores the causes and mechanisms behind radio link failure in GSM networks, covering both mobile and network perspectives.
Explore the key differences between GSM and CDMA cellular technologies, including their technical specifications, network structures, and historical significance in mobile communication.
This article explains the PLMN not found issue in GSM networks, focusing on causes like weak signals, interference, network failures, and roaming data.
Explanation of the 'Location Area Not Allowed' reject cause in Location Area Update (LAU) procedures, its implications, and examples.
Understand the 'No Suitable Cells' LAU reject cause in mobile networks. Learn why it happens and how the mobile station responds.
Understanding the 'PLMN not allowed' cause in Location Area Update (LAU) rejects and its implications for mobile station access to different networks.
Learn why a mobile station receives an LAU reject with the cause 'Roaming Not Allowed' and what it signifies.
Explore the hardware and software components of mobile phones, including the RF transceiver, baseband, OS, and connectivity options.
Explore the differences between OFDM and CDMA technologies, comparing their performance, capacity, and suitability for various wireless applications.
A curated list of RF, Wireless, and DSP job openings in WiMAX, WLAN, GSM, CDMA, and LTE technologies from various companies worldwide.
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