AN2254 Freescale Semiconductor / Motorola, AN2254 Datasheet - Page 19

• Manufacturer Part Number: AN2254
• Description: Scrambling Code Generation for WCDMA
• Manufacturer: Freescale Semiconductor / Motorola

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[2]
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[4]
Freescale Semiconductor
References
R. Prasad, “An Overview of CDMA Evolution Toward Wideband CDMA,” IEEE Communications
Surveys, vol. 1, no. 1, Fourth Quarter 1998.
B. Sklar, DIGITAL COMMUNICATIONS Fundamentals and Applications. New Jersey: Prentice-Hall, Inc.,
1988.
H Holma and A. Toskala, WCDMA for UMTS-Radio Access For Third Generation Mobile
Communications. New York: John Wiley & Sons, Ltd., 2001.
3GPP, “TS 25.213 V3.40 (2000-12): Spreading and Modulation (FDD),” Release 1999.
cmplx_scrambling
Scrambling Code Generation for WCDMA on the StarCore™ SC140/SC1400 Cores, Rev. 1
NOTES: 1. If scaling to preserve the energy of the constellation before and after
pn_generation
Function
complex scrambling is included, it requires 7.6 MIPS with a code size of
180 bytes.
1
Code Size (Bytes)
Table 2. Assembly Code Results
330
124
Cycles per Frame
153618
38411
15.36
MIPS
3.84
References
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