Thuy Hoang, PE’s Post

Every telecom and specially signal engineer.. should be knowing the answer.

Telecommunication engineers are electronics professionals who specialise in developing, installing and maintaining the technology that allows people to communicate over great distances. They may work with copper-wired telephone networks, fibre-optic connectivity, wireless broadband and satellite communications. Knowing what a telecommunication engineer does may help you decide if it's a career you want to pursue. In this article, we answer the question, 'What does a telecommunication engineer do?', look at the daily duties they may perform and evaluate some skills engineers in this field use regularly.

Telecommunication Engineering

Curious about the intricacies of Distributed Antenna Systems (DAS) deployment? Dive into our latest blog where we shed light on "Navigating The Process of DAS Commissioning and Integration." 🌐 In this short read, we explore the crucial commissioning phase, where engineers meticulously validate every signal pathway within the complex network of electronics and cables. Learn how this process ensures optimal performance and seamless transmission across the DAS network here: https://hubs.la/Q02mclVq0 🔗 #DAS #WirelessConnectivity #Data #Telecommunications #Engineering #Integration #Commissioning

**🚀 DWDM Troubleshooting Tips for Telecom and Network Engineers 🚀** In a DWDM system, troubleshooting can be daunting. But don't fret! Here's a handy guide to help you diagnose and fix those pesky issues: 1️⃣ **Perform a Loopback Test:** Use an optical attenuator to loopback devices to avoid port damage from high power. You can also use software loopbacks via the NMS. 2️⃣ **Reset the Line Cards:** You can reset cards in two ways: * Warm reset (no impact on service) * Cold reset (service impact) Reset via NMS, physically removing and re-inserting the card, or using the reset button on the control board. 3️⃣ **Check Alarm History:** * History alarms (alarms previously detected, logged, and cleared) * Current alarms (still active, awaiting resolution) 4️⃣ **Review Performance Monitoring Logs:** Check metrics like bit errors, availability, power levels, OSNR, etc., on line cards or the optical transport manager. 5️⃣ **Use an OTDR:** Determine attenuation, calculate power, and identify events. 6️⃣ **Employ a Spectrum Analyzer and Power Meter:** Analyze optical power and wavelengths. 7️⃣ **Inspect Line Card LEDs:** Cards have LEDs that indicate line card hardware status, service status, software status, and more. 8️⃣ **Physically Examine Fiber:** Check fiber patch cables, attenuation levels, connectors, splice points, SFP modules, and more. 🌟 Remember, troubleshooting is a skill that improves with practice! 🌟 **#DWDM #Troubleshooting #OpticalTransportNetwork #NetworkEngineering #FiberOptics** Got any other troubleshooting tips? Share them below! 👇

** Expert Insight on RF Unit TX Channel Gain Out-of-Range Error in Telecoms BTS and Controllers! ** If you work in the telecommunications industry, specifically with base transceiver stations (BTS) and controllers, you might encounter the "RF unit TX channel gain out of range" error. Here's some expert insight into this issue: * Equipment Calibration: RF units in BTS and controllers require periodic calibration to maintain optimal performance. When the channel gain settings drift or become misaligned over time, it can trigger the out-of-range error. Recalibration or adjustment of the RF unit may be necessary to resolve this issue. * Hardware Malfunction: A malfunctioning component within the RF unit or its associated hardware can also cause this error. Faulty power amplifiers, attenuators, or other circuitry can lead to inaccurate channel gain measurements. Thorough hardware inspection and testing are essential to identify and replace any defective components. * Environmental Factors: Environmental conditions, such as temperature variations or electromagnetic interference, can significantly impact the performance of RF units. Extreme temperature fluctuations can affect the gain characteristics of RF components, resulting in operation outside the specified range. Additionally, nearby transmitters or sources of interference can disrupt the RF signal and contribute to channel gain errors. * Software or Firmware Issues: Software or firmware bugs in the BTS or controller systems can cause incorrect channel gain readings or settings. Keeping the system software up to date and applying available patches or bug fixes can help mitigate such issues. * System Integration: In complex telecommunications deployments involving multiple vendors or equipment from different generations, compatibility issues may arise. Ensuring proper integration and compatibility between the BTS, controller, and RF units is crucial to prevent channel gain errors. * Expert Support: Troubleshooting and resolving channel gain errors often require specialized knowledge and equipment. In-depth analysis of RF performance, signal measurements, and system configuration may be necessary. It's advisable to seek assistance from experts in RF engineering or the specific vendor's support team to diagnose and resolve complex issues. By understanding these factors and taking appropriate actions, telecom professionals can effectively address the "RF unit TX channel gain out of range" error in BTS and controllers. Stay informed, stay proactive, and keep the communication channels strong! #Telecommunications #RFEngineering #BTS #Controllers #RFUnits #ChannelGain #ErrorResolution

telecommunication

Germany's robust telecommunications sector presents ample opportunities for communications engineers, with competitive salary structures and a demand for a diverse range of technical skills. 1. Salary Overview Salaries for communications engineers in Germany are influenced by experience, specialization, and location: Entry-Level Engineers generally start with a salary around €45,000 annually. Mid-Level Engineers with specialized skills in areas like network architecture or telecommunications can earn a median salary of approximately €52,696 per year. Experienced Engineers in senior roles or with expertise in specific technologies such as optical fiber transmission or wireless communication may earn between €66,235 and €116,509 annually, depending on their specific role and experience level. 2. Popular Positions and Specializations Within the telecommunications field, various specialized roles are crucial in meeting the demands of Germany's tech-driven market: Network Engineer: Focuses on designing, implementing, and maintaining a reliable network to support organizational operations. RF Engineer: Specializes in radio frequency technology and wireless systems, a critical component in mobile communications. Systems Communications Engineer: Develops and manages systems that support data transmission and voice communication over multiple platforms. 3. Experience and Qualifications To thrive as a communications engineer in Germany, one typically needs: A degree in telecommunications, electrical engineering, or a related field. Relevant certifications, such as those from Cisco or Juniper Networks, which can enhance a candidate’s appeal to employers. Practical experience with the latest technologies in network management, wireless communication, and systems design. 4. Leading Employers and Industry Outlook Top companies like Deutsche Telekom, Bosch, and Siemens are key players in Germany's communications engineering sector, often offering positions that lead the way in technological innovation and network solutions. The industry's continual evolution means that professionals must keep abreast of technological advancements and regulatory changes to remain competitive. Conclusion For communications engineers looking to advance their careers in Germany, the market offers substantial opportunities for growth and advancement. Professionals are encouraged to continuously develop their skills and qualifications to match the dynamic needs of this high-tech field. Are you aspiring to get an ideal job in the communications field? Test your abilities and technical knowledge and request a free recruitment test via comments

Who/What Is A Fiber Tech? What Is Their Future Looking Like? There has been a lot of discussion about the fiber optic workforce recently. The focus on fiber broadband has caused much of the discussion. Fortunately FOA has been working with the US Department of Labor (DoL) Bureau of Labor Statistics (BLS) to define the workforce better, creating the job category Telecommunications Technician, quantify it and make projections about the future of the labor market. FOA has also written many articles about the kinds of work fiber techs do. They are not just installers, they are fiber optic network designers, testers, operators, troubleshooters and fixers. But there is another aspect of the fiber tech that we have not discussed; many fiber techs don't just do fiber. If you look at the attendees of a fiber training class, you find that many come to the class because their work involves fiber but is not exclusively fiber. They are in a class to learn fiber because their job involves several types of communications and they need to learn about fiber along with copper cabling and wireless. FOA has a unique view of the jobs fiber optic technicians are actually doing. We have a database of almost 100,000 people who have become FOA certified. When we look at the database, we see people who work for contractors, telcos, ISPs, and those companies you might expect, but you also see people from wireless tower companies, CATV companies, colleges and universities, electrical utilities and coops, governments, traffic departments, security companies, data centers, insurance companies, stock trading companies, and practically every other type of organization you can imagine. At first glance, it seems that the traditional fiber technician is in the minority. When FOA began certifying people in fiber optics over 25 years ago, many were working with service providers and contractors installing long distance and metropolitan fiber networks to support the rapid expansion of the Internet and telephone service. As cellular networks expanded so did the fiber technicians installing the fiber networks to support them. Many of these were indeed full-time fiber techs. CATV networks were built on coax cable until special lasers made hybrid fiber coax networks practical in the mid-90s. Having techs who could do fiber work as well as coax at CATV service providers became a necessity so they got fiber training and certification.