INDIVIDUAL Build a spreadsheet to demonstrate CDMA. Document in a 1 page memo and with comments in the spreadsheet. Submit a printed copy (formulas on) and schedule a meeting with me to demonstrate it. a. Your spreadsheet should use 4 bit orthogonal modulating keys. b. List all possible keys. c. Pick two keys. Use one to encode a 1 and also a 0. d. Demonstrate that the messages are correctly decrypted using the correct key. c. Demonstrate that the messages yield no signal at all when decrypted with another key. INDIVIDUAL Build a spreadsheet to demonstrate CDMA. Document in a 1 page memo and with comments in the spreadsheet. Submit a printed copy (formulas on) and schedule a meeting with me to demonstrate it. a. Your spreadsheet should use 4 bit orthogonal modulating keys. b. List all possible keys. c. Pick two keys. Use one to encode a 1 and also a 0. d. Demonstrate that the messages are correctly decrypted using the correct key. c. Demonstrate that the messages yield no signal at all when decrypted with another key