HUAWEI MU739 HSPA+ LGA Module
Hardware Guide
Appendix B Acronyms and
Abbreviations
Issue 01 (2011-08-24)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
88
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Appendix B Acronyms and
Abbreviations
Acronym or Abbreviation
Expansion
CE
European Conformity
CS
Coding Scheme
CSD
Circuit Switched Data
DC
Direct Current
DMA
Direct memory access
EBU
External Bus Unit
EIA
Electronic Industries Association
EMC
Electromagnetic Compatibility
ESD
Electrostatic Discharge
EU
European Union
FCC
Federal Commnications Commission
FDD-TDMA
Frequency Division Duplexing–time Division
Multiple Access
GMSK
Gaussian MinimumSshift Keying
GPIO
General-purpose I/O
GPRS
General Packet Radio Service
GSM
Global System for Mobile communication
HSIC
High Speed Inter-Chip Interface
HSDPA
High-Speed Downlink Packet Access
HSPA+
Enhanced High Speed Packet Access
HSUPA
High Speed Up-link Packet Access
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