说明：  WCDMA 无线接入系统介绍 提纲 • What is spread spectrum. • Spreading. • Correlation and RAKE receiver. • Uplink and Downlink Diversity. • WCDMA Power control. – Closed loop. – Open loop. • WCDMA handovers. – Soft handover. – Softer handover
(Introductio to WCDMA Outline • What is spread spectrum. • Spreading. • Correlation and RAKE receiver. • Uplink and Downlink Diversity. • WCDMA Power control. – Closed loop. – Open loop. • WCDMA handovers. – Soft handover. – Softer handover.)