<Tr> <Td> </Td> <Td> decode0 = ((1, − 1), (− 1, 1), (1, − 1), (1, − 1)) (1, − 1) </Td> <Td> decode1 = ((1, − 1), (− 1, 1), (1, − 1), (1, − 1)) (1, 1) </Td> </Tr> <Tr> <Td> </Td> <Td> decode0 = ((1 + 1), (− 1 − 1), (1 + 1), (1 + 1)) </Td> <Td> decode1 = ((1 − 1), (− 1 + 1), (1 − 1), (1 − 1)) </Td> </Tr> <Tr> <Td> </Td> <Td> data0 = (2, − 2, 2, 2), meaning (1, 0, 1, 1) </Td> <Td> data1 = (0, 0, 0, 0), meaning no data </Td> </Tr> <P> When the receiver attempts to decode the signal using sender1's code, the data is all zeros, therefore the cross-correlation is equal to zero and it is clear that sender1 did not transmit any data . </P>

Write a short note on tdma & cdma