Practice W-cdma (wideband Code Division Multiple Access): Principles And Spectral Efficiency (1.3.2)
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W-CDMA (Wideband Code Division Multiple Access): Principles and Spectral Efficiency

Practice - W-CDMA (Wideband Code Division Multiple Access): Principles and Spectral Efficiency - 1.3.2

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Question 1

What specific type of spreading codes, organized in a tree structure, is used in the W-CDMA downlink to ensure orthogonality between channels?
* Type: text
* Correct Answer: OVSF (Orthogonal Variable Spreading Factor) codes
* Explanation: "W-CDMA uses a tree-structured set of spreading codes (OVSF codes) in the downlink that are orthogonal to each other."
* Hint: They allow for variable data rates and are orthogonal.

💡 Hint: They allow for variable data rates and are orthogonal.

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