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Walsh and Gold codes are essential components in WCDMA (Wideband Code Division Multiple Access) for spreading and despreading signals, allowing multiple users to share the same frequency band simultaneously. Walsh codes are orthogonal codes used for channelization, enabling distinct users to be identified without interference. Gold codes, on the other hand, are used for the scrambling process, providing improved noise performance and better correlation properties. Together, these codes enhance the system's capacity and robustness against interference.

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3w ago

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