FORM B L02 S. In relation to the SDMA-MIMO technology, which one of the followin
ID: 2293815 • Letter: F
Question
FORM B L02 S. In relation to the SDMA-MIMO technology, which one of the following is correct a. It provides service to a larger number of customers when compared to other access technologies b. It guarantees no interference thanks to its characteristic Gold codes. C- It has to be always used for online banking. d. It has to be atways used with other access techniques. e. Both a. and c. are correct f. Both b. and c. are correct. 8 Both a. and b. are correct. h. All of the above is correct i. None of the above is correct. 6. When comparing FOMA to TDMA, which one of the following is correct: a. TOMA is used to provide access for the users to the system, and after they access, FDMA is used to separate uplink from downlink b. FDMA is used to provide access for the users to the system, and after they access, TDMA is used to separate upink from downlink. C. TDMA is more suitable than FDMA for online banking. d. Both a. and c. are correct. e. Both b. and c. are correct. f. Both a. and b. are correct. g. All of the above is correct. h. None of the above is correct. 7. When comparing CDMA to TDMA, which one of the following is correct: a. Synchronization is more important in CDMA. b. Synchronization is more important in TOMA. c. CDMA can only allocate one code per user d. TDMA can only allocate one time unit per user. e. Both a. and c. are correct. f. Both b. and c. are correct. g. Both a. and b. are correct h. All of the above is correct i. None of the above is correct.Explanation / Answer
5. g) a and b are correct
6. d)a and c are correct
7. f)b and c are correct
FDMA is Frequency Division Multiple Access (FDMA)
A channel is used continuously over the duration of the message.
FDMA is limited to narrowband applications due to its limited transmission rate.
CDMA is Code Division Multiple Access (CDMA)
A unique code for every user is given and better one.
TDMA is Time Division Multiple Access(TDMA)
Multiple slots can be allocated based on the requirement.
TDMA is older technique, also guard time is used to reduce interference
Gold Codes are used to cause no interference
MIMO-SDMA is used to maximize the number of users.
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