(b) The Code Division Multiple Access (CDMA) system uses the following specifications to transmit and receive data, Source A sends binary data 'O' using four bit spreading code 101011 Source B sends binary data 'O' using four bit spreading code 110101 Source C sends binary data '1' using four bit spreading code 111010 (i) (ii) [E Find the resultant signal code transmitted through the common free space; Evaluate the binary data recovery process at the receiver using same orthogonal codes Sketch the signal level timing chart at the transmitter showing the superimposition of three signals. [5 [6] (b) The Code Division Multiple Access (CDMA) system uses the following specifications to transmit and receive data, Source A sends binary data 'O' using four bit spreading code 101011 Source B sends binary data 'O' using four bit spreading code 110101 Source C sends binary data '1' using four bit spreading code 111010 (i) (ii) [E Find the resultant signal code transmitted through the common free space; Evaluate the binary data recovery process at the receiver using same orthogonal codes Sketch the signal level timing chart at the transmitter showing the superimposition of three signals. [5 [6]