Question 14. Question5: What do you mean by extended cell? •Discontinuous Transmission, also known as DTX in short is a method of momentarily powering down a mobile set when there is no voice input to the set.•The overall efficiency of a wireless voice communication system is optimized by DTX.•Each speaker in a two way conversation speaks slightly less than half of the time.•The workload of the components in the transmitter amplifiers are made easy and reduces interference. GSM interview questions - What is GSM? Question2: Explain the services offered by GSM? Question: In A GSM Cellular Mobile System That Use A Cluster Size Of Seven Cells In An Urban Environment (n=4) Bandwidth Is 200hz The Received Signal Power S=-100dbm And The Noise Figure Is 9 DB. •Absolute Radio Frequency Channel Number, a code to specify a pair of physical radio carriers and channels within the spectrum that is allocated for cellular mobile communications.•ARFCN is used for transmitting and receiving on the UM Interface, one to uplink signal and one to downlink signal.•ARFCN's bandwidth is 270.833 kHz; channel spacing is 200 kHz in a given GSM band.•The uplink-downlink spacing is generally 45 / 50 MHz.•If Frequency Division Duplex is operated in the system, then the channel number is associated with both uplink and downlink radio channels.•ARFCN is 1-124 within GSM900 spectrum, 512-885 within GSM1800, 512-810 within GSM1900, are used. What Do You Mean By Arfcn In Gsm Technology? Question 29. Apple; Mac; iPad; iPhone; Watch; TV; Music; Support; Shopping Bag + Cancel What is GSM? CELLULAR AND MOBILE COMMUNICATIONS Questions & Answers GRIET – ECE 1 UNIT-VIII 1.Explain in detail about GSM architecture GLOBAL SYSTEM FOR MOBILE (GSM): CEPT, a European group, began to develop the Global System for Mobile TDMA system in June 1982.GSM has two objectives: pan-European roaming, which offers compatibility throughout the European continent, and interaction with the … * The uplink-downlink spacing is generally 45 / 50 MHz. No answers yet. •Short form of Global System for Mobile Communications, is a wireless network system•A standard for digital cellular mobile communications•International roaming arrangements are enabled among mobile network operators, by providing the subscribers to use their personal mobile phones anywhere in the world.•GSM is considered as second generation mobile, as signaling and speech channels are digital•The carriers can be replaced without replacing mobile phones.•The ubiquity of GSM implementations is also enabling the switching between network operators, who can choose equipment from many GSM equipment vendors.•GSM pioneered low cost SMS implementation•The GSM standard includes a worldwide emergency telephone number feature. Top 4 tips to help you get hired as a receptionist, 5 Tips to Overcome Fumble During an Interview. B. Authentication. What Are The Services Offered By Gsm Technology? GSM technical job interview questions of various companies and by job positions. What do you know about GSM fundamentals? What Is Equalisation In Gsm Technology? Do you love tech deals? How to Convert Your Internship into a Full Time Job? The origins of GSM can be traced back to 1982 when the Groupe Spécial Mobile (GSM) was created by the European Conference of Postal and Telecommunications Administrations (CEPT) for the purpose of designing a pan-European mobile technology. There are various systems with distinct functionalities. B. •The cell radius could be double or even more, based on the antenna, type of terrain and timing advance.•Indoor coverage is supported by GSM and could be achieved with the usage of picocell base station or an indoor repeater along with distributed indoor antennas. Spread signal is below the noise level and noise has no effect on the signal. GSM Interview Questions and Answers. 10 WCDMA interview questions and answers. GSM Multiple Choice Questions and Answers pdf free download for freshers 1 2 3+years experienced objective type interview questions faqs certification Study these Interview MCQ Questions and Answers on 2G GPRS Network Architecture or Structure. Q: I know this phone is forVerizon but does this phone works with GSM cardiers,? 10 WCDMA interview questions and answers. GSM owns a market share of more than 70 percent of the world's digital cellular subscribers. These top 10 WCDMA interview questions and answers help engineers seeking WCDMA/UMTS job to crack the interview at initial attempt.These questions are very useful as viva questions also.. 1. Question 17. GSM Objective type Questions with Answers. Question 40. 1. Question 43. Question 12. A. Teleservices (communicate with other subscribers). Questions & Answers. 118+ GSM interview questions and answers for freshers and experienced. So get preparation for the GSM Technology job interview. GSM Online Test and Answers Pdf Download :-These are very useful & Most Asked Questions in your certification Exam. Answer. Explore the latest questions and answers in GSM, and find GSM experts. What are the three services offered by GSM? Read More Answers. Question 23. However, you can start preparing yourself slowly but with important points so that you understand technology and know the basic answers, Following article has 2 sessions. What is GPRS (General Packet Radio Service)? Then do not worry, we’ve a right answer for your job interview preparation. What Is Imei In Gsm Technology? What Is Channel Coding In Gsm Technology? •Discontinuous Transmission is one of the methods which is based on the advantage of the fact that a person speak less•Nearly 40% of time in general conversation, the transmitter is turned off during silence periods•Mobile phone power conservation is an added benefit of DTX•Voice Activity Detection is the most important component of DTX•DT X distinguishes between voice and noise inputs.•The transmitter is turned off when a voice signal is misinterpreted as noise. What Is Ma In Gsm Technology? If you are preparing for GSM job interview then go through Wisdomjobs interview questions and answers page. Security is provided using many cryptographic algorithms and offers confidentiality and authentication, but limited authorization capabilities, and no non-repudiation. A. Iur B. Iub C. Iu D. None of the choices Ans: A. Question 4. Main features of 3G include (in comparison to 2G) The OSI model was developed by ISO in the year_____ a. GSM Multiple Choice Questions with Answers:-1 _____ is a first-generation cellular phone system. See how much you know about GSM fundamentals by quizzing. Academia.edu is a platform for academics to share research papers. It is a wireless technology used in transmission of signals from places with high Security and noise reduction. Explain The Maximum Data Rate Supported By A Gsm System? What Is Cycling Frequency Hopping In Gsm Technology? •Time Division Duplexing, a 3GPP standardized version of Universal Mobile Telecommunications System networks.•The designated mobile sends the data in a stipulated time and receives data from the BTS in another time.•The time is divided into various time slots and user sends data in few time slots and receives the data in the rest of the time slots.•Alternative downlink and uplink directions are used. •Hopping sequence number is utilized, to spread the interference between all cells that uses the same hopping TCHs.•The correlation between closely located cells can be avoided by using HSN.•HSN of zero corresponds to the cyclic hopping sequence, and 1 through 63 corresponds to various pseudo random patterns. This page covers WCDMA questionnaire set prepared by experienced specialists in WCDMA domain. Question 11. •Base Band Frequency Hopping is one of the frequency hopping techniques.•Time division multiplexing mapping is used in BBFH•BBFH is supported by a base station having a broadband transceiver•Physical channels are permitted by BBFH based upon mobile subscribers' communication with the base station.•In this, static transceiver frequencies are used while operating with broadband transceiver. A. Teleservices (communicate with other subscribers). Answer:-Rx level 0 to 63 is GSM unit. We additionally find the money for variant types and moreover type of the books to browse. Question # 5 Explain what is the relation between RXLEV [0 to 63] and rxlev [-110 to -47]? •In Cycling Frequency Hopping, the frequencies are changed, in every TDMA frame.•For ex: f1,f2,f3 …. Question # 6 Explain about LTE and GSM internetworking. Selected multiple-choice questions for Mobile Communications 1. A) GSM B) D-AMPS C) IS-95 D) none of the above Ans: B. At the receiving end, the spread information is decoded. You can send and receive emails using GPRS and browse the Internet. While -110 to -47 is dbm, Long Term Evolution (LTE) is the next step from 3G/WCDMA &, The main difference between GSM and CDMA is: In GSM, the, Currently the digital modulation used in telecom is GSMK, these are the various block in gsm architecture -, TRAI-Telecom Regulatory authority of India, SAT (Scholastic Aptitude Test) Sentence Correction, OOAD (Object Oriented Analysis and Design). Question 15. Question -1.Explain the call flow of mobile originated call and mobile terminated call flow in GSM. Will a dual sim iphone work on Iliad in Italy, and Verizon here in the U.S.? Question 31. 2) Wideband switching in the RNC makes the element structure of RNC remarkably different to element structure of BSC in GSM BSS during implementation. 15 signs your job interview is going horribly, Time to Expand NBFCs: Rise in Demand for Talent, The services offered by GSM are ISDN compatible, GSM allows synchronous data and asynchronous data to be transported as bearer service, one of the telecommunication services offered by GSM, and forms ISDN terminal, The data could be either transparent service or nontransparent service, Telephony is one of the services offered by GSM, which an emergency and the service provider is notified by dialing 3 digits, By using appropriate fax adaptor, G3 fax service is supported, One of the features of GSM is Short Messaging Service. GPRS uses 2.5 generation of GSM signals, The radio interface is the same that of GSM.... How are GPRS terminals classified? UMTS interview questions and answer: RajdeepWhat is RRC? What are the three services offered by GSM? •Ciphering : The algorithm 129-EEA3 and 128-EIA3, 3GPP Confidentiality and Integrity Algorithm is used for ciphering in GSM •Authentication : The algorithm by name A3 is used for authentication in the GSM systems This algorithm is used in implementing Subscriber Identity Module. The main difference between GSM and CDMA is: In GSM, the entire frequency band is not available to the end-user, while in CDMA the entire frequency band is available to the end-user. How many carrier frequencies are there in GSM-900/DCS-1800? Physical channel means allocated one frequency and one time slot on which logical channel data is carried into the air. •DRX is referred as driver receiver.•DRX performs the transmission and reception of signals.•Sends and receives the signals to or from higher network entities, as in base station controller in mobile telephony. Thursday, 3 September 2015. 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