Course Solutions Uncategorized (Solved) : 3 Four Stations Communicating Using Cdma Code Division Multiple Access Code Assigned Stat Q33162476 . . . .

(Solved) : 3 Four Stations Communicating Using Cdma Code Division Multiple Access Code Assigned Stat Q33162476 . . . .

 

3. There are four stations communicating using CDMA (code division multiple access). The code assigned to each station is as follow: B: (+1 -1-1) D: (+1-1 +1-1) At the receiving end, a signal (+2 +2 +2 -2) (000 +4) (0 +4 00) (+2 -2 +2 +2) is received. Determine what data are sent bv each station 10 marks [Solution] By calculating the dot product between the received data and the code assigned for each station, we obtain the following results Code A: +11-1-1 Code B: +1 +1-1 +1 Code C: +1-1-1 +1 Code D: +1-1 +1 A has sent 4 data bits of 1111 B has sent 4 data bits of1010 C has sent 4 data bits of 0101 D has sent 4 data bits of 1001

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