User data in IS-95 is spread to a channel chip rate of ________(a) 1.2288 Mchip/s(b) 9.6 Mchip/s(c) 12.288 Mchip/s(d) 0.96 Mchip/sThis question was posed to me during an internship interview.Query is from CDMA Digital Cellular Standard (IS-95) in chapter Wireless Systems and Standards of Wireless/Mobile

User data in IS-95 is spread to a channel chip rate of ________(a) 1.2

1.	User data in IS-95 is spread to a channel chip rate of ________(a) 1.2288 Mchip/s(b) 9.6 Mchip/s(c) 12.288 Mchip/s(d) 0.96 Mchip/sThis question was posed to me during an internship interview.Query is from CDMA Digital Cellular Standard (IS-95) in chapter Wireless Systems and Standards of Wireless/Mobile
Answer» Right option is (a) 1.2288 Mchip/s Best explanation: USER data is spread to a channel chip rate of 1.2288 Mchip/s (a total spreading FACTOR of 128) using a combination of TECHNIQUES. The spreading process is different for the forward and REVERSE links in the original CDMA specification.

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