Question

Considering users A and B in a CDMA system with codes (-1 1 -1 1 -1 1 -1 1) and (-1 -1 1 1 -1 -1 1 1) respectively: (i) Determine the output at the receiver if A transmits a data 1 and B does not transmit. (ii) Determine the output at the receiver if A transmits a data 0 and B does not transmit. (iii) Determine the output at the receiver if A transmits a data bit 1 and B transmits a data bit 1. Assume the received power from both A and B is the same. (iv) Determine the output at the receiver if A transmits a data bit 1 and B transmits a data bit 1. Assume the received power from B is twice the received power from A. This can be represented by showing the received signal component from A as consisting of elements of magnitude 1(+1, -1) and the received signal component from B as consisting of elements of magnitude 2(+2, -2).

          Considering users A and B in a CDMA system with codes (-1 1 -1 1 -1 1 -1 1) and (-1 -1 1 1 -1 -1 1 1) respectively:
(i) Determine the output at the receiver if A transmits a data 1 and B does not transmit.
(ii) Determine the output at the receiver if A transmits a data 0 and B does not transmit.
(iii) Determine the output at the receiver if A transmits a data bit 1 and B transmits a data bit 1. Assume the received power from both A and B is the same.
(iv) Determine the output at the receiver if A transmits a data bit 1 and B transmits a data bit 1. Assume the received power from B is twice the received power from A. This can be represented by showing the received signal component from A as consisting of elements of magnitude 1(+1, -1) and the received signal component from B as consisting of elements of magnitude 2(+2, -2).

Considering users A and B in a CDMA system with codes (-1 1 -1 1 -1 1 -1 1) and (-1 -1 1 1 -1 -1 1 1) respectively:
(i) Determine the output at the receiver if A transmits a data 1 and B does not transmit.
(ii) Determine the output at the receiver if A transmits a data 0 and B does not transmit.
(iii) Determine the output at the receiver if A transmits a data bit 1 and B transmits a data bit 1. Assume the received power from both A and B is the same.
(iv) Determine the output at the receiver if A transmits a data bit 1 and B transmits a data bit 1. Assume the received power from B is twice the received power from A. This can be represented by showing the received signal component from A as consisting of elements of magnitude 1(+1, -1) and the received signal component from B as consisting of elements of magnitude 2(+2, -2).

Added by John Q.

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