A multiple access technique used in GSM cellular system
A. TACS
B. FDMA
C. TDMA
D. CDMA

1 Answer

Answer :

C. TDMA

Related questions

Description : Which of the following multiple access techniques are used by second generation cellular systems? a) FDMA/FDD and TDMA/FDD c c) FDMA/FDD and CDMA/FDD d) FDMA/FDD only

Last Answer : b) TDMA/FDD and CDMA/FDD

Description : UMTS use which multiple access technique? a) CDMA b) TDMA c) FDMA d) SDMA

Last Answer : a) CDMA

Description : A method of multiple accessing where a given RF channel bandwidth is divided inot smaller frequency band. A. CDMA B. ANIK-D C. TDMA D. FDMA

Last Answer : D. FDMA

Description : Refers to the first generation of local loop system in telecommunication technology. A. GSM B. DECT C. Analogue cellular D. TACS

Last Answer : C. Analogue cellular

Description : The access method in Bluetooth is________. A) FDMA B) TDD-TDMA C) CDMA D) none of the above

Last Answer : TDD-TDMA

Description : In_______, the sequences aregenerated using orthogonal codes such the Walsh tables. A) FDMA B) TDMA C) CDMA D) none of the above

Last Answer : CDMA

Description : ______ is based oncoding theory and uses sequencesof numbers called chips. A) FDMA B) TDMA C) CDMA D) none of the above

Last Answer : CDMA

Description : In ______, the stations usedifferent codes toachieve multipleaccess. A) FDMA B) TDMA C) CDMA D) none of the above

Last Answer : CDMA

Description : In_____, each station transmits its data in itsassignedtime slot. A) FDMA B) TDMA C) CDMA D) none of the above

Last Answer : TDMA

Description : In_____, each station is allocateda time slotduring which it can send data. Each stationtransmits its data in itsassigned time slot. A) FDMA B) TDMA C) CDMA D) none of the above

Last Answer : TDMA

Description : In_______, the stations share thebandwidth of the channel in time. A) FDMA B) TDMA C) CDMA D) none of the above

Last Answer : TDMA

Description : In________, the available bandwidth is divided into frequency bands. A) FDMA B) TDMA C) CDMA D) none of the above

Last Answer : TDMA

Description : The modulation technique used by GSM cellular system A. Phase shift keying B. Frequency shift keying C. Gaussian minimum shift keying D. QAM

Last Answer : C. Gaussian minimum shift keying

Description : Which of the following is the world’s first cellular system to specify digital modulation and network level architecture? a) GSM b) AMPS c) CDMA d) IS-54

Last Answer : a) GSM

Description : The wireless evolution is achieved through the GSM family of wireless technology platforms which include but except one of the following. Which one is NOT a member of the GSM family? A. GSM B. EDGE C. GPRS D. CDMA

Last Answer : D. CDMA

Description : Satellite-Switched Time-Division Multiple Access (SS/TDMA) is A. the method of determining whichdevice has access tothe transmission medium at any time. B. a medium access control technique for ... switching is used to dynamically changethechannel assignments D. All of theabove E. None of the above

Last Answer : a form of TDMA in which circuit switching is used to dynamically changethechannel assignments

Description : Which multiple access technique is used by IEEE 802.11 standard for wireless LAN? a. ALOHA b. CSMA/CA c. CDMA d. none of the mentioned

Last Answer : b. CSMA/CA

Description : In______, each station is allocated a band to send its data. In other words, each band is reservedfor a specific station,and it belongs to the station all the time. A) FDMA B) TDMA C) CDMA D) none of the above

Last Answer : FDMA

Description : State advantages of TDMA over FDMA

Last Answer : 1. In TDMA since only one station is present at any given time so the crosstalk will avoided this is present in FDMA. 2. The entire channel band which can be allocated to signal channel at ... secure than FDMA. 8. Intermodulation products are absent as there is one carrier only in all time slots.

Description : In GSM cellular system, the speech coding rate is ____. A. 13 kbps B. 8 kbps C. 15 kbps D. 20 kbps

Last Answer : A. 13 kbps

Description : What is the transmission rate of a GSM cellular system? A. 64 kbps B. 240 kbps C. 128 kbps D. 270 kbps

Last Answer : D. 270 kbps

Description : ________ requires that each station first listento the medium before sending. A) MA B) CSMA C) FDMA D) CDMA

Last Answer : CSMA

Description : In ______, the chanceof collisioncan be reduced if a station senses the medium beforetrying touse it. A) MA B) CSMA C) FDMA D) CDMA

Last Answer : CSMA

Description : Compare TDMA and CDMA on the basis of sharing of time and B.W. Synchronization, code word ,guard band and guard time.

Last Answer : Sr. No Parameters TDMA CDMA 1 Sharing of time & B.W Sharing of time of satellite Transponder using entire BW Sharing of time and bandwidth both. 2 ... guard times and guard bands are required if it uses along with TDMA & FDMA. Otherwise not required.

Description : Distinguish between TDMA and CDMA

Last Answer : Sr. No. Parameter TDMA CDMA 1 Definition Entire bandwidth is shared among different subscribers at Fixed predetermined or dynamically assigned time intervals/slots. Entire bandwidth is ... phone, system(AMPS), Cordless telephone IS95 Wide band, CDMA 2000,2.5G and 3G

Description : Which of the following systems uses frequency band 870-885 MHz as a transmit band of its base station? A. TACS B. NTT C. NMT D. AMPS

Last Answer : B. NTT

Description : Which one is not a TDMA standard of second generation networks? a) GSM b) IS-136 c) AMPS d) PDC

Last Answer : c) AMPS

Description : What makes GSM phones so much better than CDMA phones?

Last Answer : Hmmmm I know very little about the cell technology; but I recall people complaining that the iPhone is GSM when it first came out, so I was under the impression that GSM was frowned upon. All I ... sure is that GSM is what makes the annoying speaker interference sound. I am curious to learn more

Description : Is boost mobile on a gsm or cdma network?

Last Answer : Boost Mobile is a division of Sprint/Nextel. It currently offers plans for phones that run on the CDMA network.

Description : How much increase in spectral efficiency is provided by W-CDMA in comparison to GSM? a) Two times b) Three times c) No increase d) Six times

Last Answer : d) Six times

Description : Which of the following leads to the 3G evolution of GSM, IS-136 and PDC systems? a) W-CDMA b) GPRS c) EDGE d) HSCSD

Last Answer : a) W-CDMA

Description : What is the term used by ITU for a set of global standards of 3G systems? a) IMT 2000 b) GSM c) CDMA d) EDGE

Last Answer : a) IMT 2000

Description : ______ includes GSM and CDMA. A. 2G B. 3G C. 4G D. None of above

Last Answer : A. 2G 

Description : Which of the following is an enhancement of GSM including the GPRS? A. 1G B. 2.5G C. 2G D. 3G

Last Answer : B. 2.5G

Description : Which of the following is standardized as part of GSM phase 2+ that can offer theoretical data speeds of upto 115 kbit/s? A. EDGE B. GPRS C. WAP D. Bluetooth

Last Answer : B. GPRS

Description : What is known as the final stage in the evolution of the GSM standard? A. WAP B. GPRS C. EDGE D. Bluetooth

Last Answer : C. EDGE

Description : How wide is the spectrum bandwidth of a single GSM carrier? A. 100 kHz B. 200 kHz C. 50 kHz D. 16 kHz

Last Answer : B. 200 kHz

Description : Which modulation technique is used by GSM? a) GMSK b) BPSK c) QPSK d) GFSK

Last Answer : a) GMSK

Description : Why are orange Tic-Tacs the only ones that are chewy?

Last Answer : I don’t know why that is but if I buy a pack on orange tic-tacs, I’m lucky if they last the day. I think they have opium in them.

Description : Why are orange Tic Tacs the only ones that are chewy?

Last Answer : I never thought about this until I saw the question. Then I tried to figure it out on the internet because now I also want to know. The last thing I tried was the official site. ferrero.com - ... and ask. They only have a snail mail address on their site. How far behind in technology are they?

Description : Which of these statements highlights a valid privacy concern when working with large data sets? I. Data from multiple sources could be linked together to discover someone's identity. II. For access to location-based services, a ... . I and II only B. I only C. I and III only D. I, II and III

Last Answer : B. I only

Description : In cellular system, the average lead time to install a new base station is approximately ____ months to a year. A. 4 B. 5 C. 6 D. 10

Last Answer : C. 6

Description : What mathematical plane figure is ideal in cellular system design and engineering it graphically and functionally depicts overlapping radio coverage between and among adjacent cell base stations? A. Hexagon B. Octagon C. Pentagon D. Nonagon

Last Answer : A. Hexagon

Description : In cellular system, _____ defines the geographic distance that is required between cells using identical frequencies in order to avoid interference between the radio transmissions at these cells. A. frequency-reuse ratio B. distance-to-reuse ratio (D/R) C. reuse format plan ratio D. reuse factor

Last Answer : B. distance-to-reuse ratio (D/R)

Description : What is considered as the most advanced satellite system developed for cellular telephones? A. Iridium B. Globalstar C. ANIK D. Molniya

Last Answer : A. Iridium

Description : A digital identification associated with a cellular system A. SAT B. ESN C. MIN D. SIM

Last Answer : D. SIM

Description : A cellular standard known as the cdmaOne. A. IS-95 B. IS-136 C. IS-54 D. IS-100

Last Answer : A. IS-95

Description : Cellular radios use FM with a maximum deviation of A. ±30 khz B. ±75 khz C. ±25 khz D. ±12 khz

Last Answer : D. ±12 khz

Description : The correctness and accuracy of the transmitted message content is A. verified by the modem B. communications system C. determined by the sender and receiver D. ensured by use of digital technique

Last Answer : C. determined by the sender and receiver

Description : Draw the block diagram of TDMA system and explain its working.

Last Answer : Block diagram of TDMA system:- OR Explanation:- In TDMA, each user has all the bandwidth, all the power and part of the time. It is frequently used with data and ... receives the bursts from all other earth stations and must select from them the traffic destined only for itself.