HSDPA Bit Rates

Number of HS-PDSCH codes	5	5	10	10	15	15
Modulation	QPSK	16QAM	QPSK	16QAM	QPSK	16QAM
Maximum bit rate [Mbps]	2.24	4.48	4.48	8.96	6.72	13.44

WCDMA RAN Protocols betwenn UE and CN

Network Interfaces

Iub - Interface between RNC and Node B
Iur - Interface between RNC and RNC
IuCS - Interface between RNC and MSC
IuPS - Interface between RNC and SGSN
Uu - Interface between Node B and UE

Network Elements

List of keywords for 3G Network Elements:

RNC - Radio Network Controller
Node B - Radio Base Station
UE - User Equipment (Mobile Phone)
MSC - Mobile Switching Centre
SGSN - Serving GPRS Service Node
HLR - Home Location Register
VLR - Visitor Location Register
VMS - Voice Mail Service
SMC - Short Message Centre
EIR - Equipment Identity Register
MGW - Media Gateway
AuC - Authentication Centre
OSS - Operation Support System

Organizations

3GPP - Third Generation Partnership Project

3GPP2 - Third Generation Partnership Project 2

UMTS Forum - Universal Mobile Telecommunications System Forum

TDD Alliance - The Global UMTS TDD Alliance supports the UMTS TDD community

ITU IMT2000 - International Telecommunication Union UMTS