CDMA2000和WCDMA技术之间的共性Commonali...

CDMA2000和WCDMA技术之间的共性Commonalities_CDMA2000_WCDMA_wpCommonalities between CDMA2000 and WCDMA Technologies

QUALCOMM Incorporated October 2006

Commonalities between CDMA2000 and WCDMA Technologies

Table of Contents

Executive Summary .............................................................................. 1 [1] Introduction ...................................................................................... 4 [2] Fundamental CDMA Technologies Common to cdmaOne, CDMA2000 and WCDMA ................................................................ 7 2.1 Key Similarities between cdmaOne, CDMA2000 1X and WCDMA .................................................................................. 8 2.1.1 Direct Sequence Spread Spectrum Multiple Access . 13 2.1.2 Orthogonal Code Division Multiple Access ................ 15 2.1.3 Power Control