A8 Huawei WCDMA NodeB Introduction.ppt

1. Wireless Curriculum Development Section
Wireless Curriculum Development Section
ISSUE
ISSUE
Huawei WCDMA NodeB Introduction
1.0
1.0

2. Confidential Information of
Huawei. Security Level: Internal
Introduction
A series of WCDMA NodeBs is offered by Huawei accor
ding to the 3GPP R99/R4 FDD protocols.
Huawei can offer various customized solutions of the W
CDMA radio access network according to the different re
quirements and actual conditions of operators, to achiev
e the seamless coverage of cities, suburbs, countryside,
highways and hot spots.

3. Confidential Information of
Huawei. Security Level: Internal
Huawei UTRAN Solution

4. Confidential Information of
Huawei. Security Level: Internal
Huawei WCDMA NodeB
System Architecture
System Characteristics
Services and Functions
Reliability

5. Confidential Information of
Huawei. Security Level: Internal
System Architecture
Physical Architecture
Functional Architecture

6. Confidential Information of
Huawei. Security Level: Internal
Cabinet Appearance

7. Confidential Information of
Huawei. Security Level: Internal
Cabinet Appearance

8. Confidential Information of
Huawei. Security Level: Internal
Cabinet Configuration
 BTS3812

9. Confidential Information of
Huawei. Security Level: Internal
Cabinet Configuration
 BTS3806

10. Confidential Information of
Huawei. Security Level: Internal
Cabinet Configuration
 BTS3802C

11. Confidential Information of
Huawei. Security Level: Internal
Cabinet Configuration
Abbreviation Full name
NAOI NodeB ATM Optical Interface unit
NDCS NodeB DC Switch box
NDDL NodeB Dual Duplexer & Low-noise amplifier module
NDLP NodeB Down Link Processing Unit
NDTI NodeB Digital Trunk Interface unit
NFAN NodeB FAN box
NIFP NodeB Interface Processing Unit
NLPA NodeB Linear Power Amplifier module
NMON NodeB MONitor unit
NMPT NodeB Main Processing & Timing unit
NTRX NodeB Transceiver module
NTTA NodeB Tower Top Amplifier module
NULP NodeB Uplink Processing unit

12. Confidential Information of
Huawei. Security Level: Internal
System Architecture
Physical Architecture
Functional Architecture

13. Confidential Information of
Huawei. Security Level: Internal
Functional Modules
Iub
interface
BTS3812
RNC
Uu interface
Antenna & feeder
subsystem
UE
RF subsystem
Baseband
subsystem
Transmission
subsystem
Control
subsystem
O&M
subsystem
UE

14. Confidential Information of
Huawei. Security Level: Internal
Transmission subsystem
Interfacing with the RNC, and exchanging information
between the BTS3812 NodeB and the RNC
Supporting multiple transmission interfaces such as the
E1/T1 interface and the ATM optical interface of STM-1

15. Confidential Information of
Huawei. Security Level: Internal
Baseband subsystem
Channel coding/decoding
Testing function: FER, SNR, Interference
Soft and softer handover, macro diversity
Decomposition and combination of transport channel and the
CCTrCH
Rate adaptation.
Mutual mapping of transport channels and physical channels.
Spreading/de-spreading, modulation/demodulation.
Radio channel synchronization.
Inner loop power control.

16. Confidential Information of
Huawei. Security Level: Internal
RF subsystem
The signal up/down frequency conversion, amplification and
filtering as well as the combining & dividing of small signals.
The processing of the intermediate frequency analog signal
s between the baseband subsystem and the RF subsystem.
The processing of the RF signals between the antenna and
feeder subsystem and the RF subsystem.

17. Confidential Information of
Huawei. Security Level: Internal
Control subsystem
The processing of NBAP signaling and
the resource management
Provisioning of various benchmark clocks
for other subsystems and modules

18. Confidential Information of
Huawei. Security Level: Internal
Antenna and feeder subsystem
The antenna and feeder subsystem comprises the
antenna, the feeder, the lightning conductor, the
tower top amplifier, etc. It completes the input and
output of the NodeB signals, transmits the radio
frequency signals via the air/radio interface. The
uplink is 1920 ~ 1980 MHz and the downlink is 2110
~ 2170 MHz.

19. Confidential Information of
Huawei. Security Level: Internal
Huawei WCDMA NodeB
System Architecture
System Characteristics
Services and Functions
Reliability

20. Confidential Information of
Huawei. Security Level: Internal
System Characteristics
Wide Coverage
Large Capacity
Flexible Configuration & Easy Expansion
Powerful O&M Function
Flexible Networking
Series of NodeB for Seamless Coverage

21. Confidential Information of
Huawei. Security Level: Internal
Wide Coverage
Maximum access radius: 180 km.
Maximum transmit power of a single cell: 25 W
Diversity of 2 and 4 antennas
Tower-top amplifier
STTD, TSTD
Cell breathing

22. Confidential Information of
Huawei. Security Level: Internal
Large Capacity
Single BTS3812 cabinet supports 1536 equivalent voice c
hannels of 12.2 Kbit/s.
Single cabinet can support a maximum of 12 cells
Each sector can support up to 4 carriers, meeting the requ
irements of high traffic areas.
Base-band subsystem adopts the resource pool operation
al mode
Transmit diversity & four-antenna receiver diversity
Huawei's proprietary technology

23. Confidential Information of
Huawei. Security Level: Internal
Flexible Configuration & Easy Expansion
Various types of configurations: 3*1, 3*2, 3*4,
6*1, 6*2
Smooth expansion of the configurations: from
1*1 till 3*4 or 6*2
RF module: Blind Match

24. Confidential Information of
Huawei. Security Level: Internal
Powerful O&M Function
Maintenance terminal: Provides the MML command and
graphical interface, and the centralized maintenance
platform
Maintenance operation modes: Intranet, Local, Remote
Function: System status monitoring, Data configuration,
Alarm handling, Security management, Equipment
operation, Site monitoring

25. Confidential Information of
Huawei. Security Level: Internal
Flexible Networking
Transmission port: E1/T1, STM-1, Hybrid
Network topologies: Chain, Star, Tree
IMA and UNI
Synchronizition: RNC clock, GPS clocks and other
external clock
Supporting the construction of the RNS system into
an Intranet

26. Confidential Information of
Huawei. Security Level: Internal
Flexible Networking
NodeB
NodeB NodeB
NodeB NodeB
NodeB
RNC
NodeB NodeB
RNC
RNC

27. Confidential Information of
Huawei. Security Level: Internal
Series of NodeB for Seamless Coverage
BTS3812
BTS3806
BTS3806A
BTS3802C
RRU3802C

28. Confidential Information of
Huawei. Security Level: Internal
Applications of series of NodeBs
NodeB
Maximum
number of
cells
Capacity Application Indoor/Outdoor
BTS3812 12 Large
Densely populated areas, such as
cities
Indoor
BTS3806 6 Medium
Small and middle-sized cities and
towns with low equipment room
requirements
Indoor
BTS3806A 6 Medium
Areas hard to set up an equipment
room
Outdoor
BTS3802C 2 Small Indoor, highways, railways and so on Indoor and outdoor
RRU3802C 2 Small Cities, highways, railways and so on Indoor and outdoor

29. Confidential Information of
Huawei. Security Level: Internal
Huawei WCDMA NodeB
System Architecture
System Characteristics
Services and Functions
Reliability

30. Confidential Information of
Huawei. Security Level: Internal
Services and Functions
Services
Supported Channels
Radio Network Functions

31. Confidential Information of
Huawei. Security Level: Internal
CS Domain Service
AMR voice service, including 12.2 Kbit/s, 10.2 Kbit/s, 7.9
5 Kbit/s, 7.4 Kbit/s, 6.7 Kbit/s, 5.9 Kbit/s, 5.15 Kbit/s and
4.75 Kbit/s. The uplink and downlink AMR voice rates mi
ght be asymmetrical.
Transparent data service of 64 Kbit/s, 56 Kbit/s, 32 Kbit/
s and 28.8 Kbit/s. The uplink and downlink data rates mi
ght be asymmetrical.
Non-transparent data service of 57.6 Kbit/s, 28.8 Kbit/s
and 14.4 Kbit/s. The uplink and downlink data rates mig
ht be asymmetrical.

32. Confidential Information of
Huawei. Security Level: Internal
PS Domain Service
web browsing, data downloading, E-mail, video on dema
nd and audio on demand.
typical rates, such as 16 Kbit/s, 32 Kbit/s, 64 Kbit/s, 128
Kbit/s, 144 Kbit/s and 384 Kbit/s. It supports transmissio
n with Transmission Time Interval (TTI) of 10 ms, 20 ms,
40 ms and 80 ms. The uplink and downlink data rates mi
ght be asymmetrical.

33. Confidential Information of
Huawei. Security Level: Internal
Combined Service
AMR voice service + PS domain service
AMR voice service + CS domain non-transparent data service
AMR voice service + CS domain transparent data service
CS domain transparent data service + PS domain service
CS domain non-transparent data service + PS domain service
AMR voice service + data service 1 + data service 2

34. Confidential Information of
Huawei. Security Level: Internal
Location Services
 Huawei NodeBS support the location service based on Ce
ll_ID, OTDOA and A-GPS.

35. Confidential Information of
Huawei. Security Level: Internal
Services and Functions
Services
Supported Channels
Radio Network Functions

36. Confidential Information of
Huawei. Security Level: Internal
Supported Channels
Logical Channels: BCCH, PCCH, CCCH, DCCH, DTCH,
CTCH
Transport Channels: DCH, BCH, FACH, PCH, RACH
Physical Channels: Uplink DPDCH, DPCCH, PRACH;
Downlink DPCH, SCH, CPICH, P-CCPCH, S-CCPCH,
PICH, AICH

37. Confidential Information of
Huawei. Security Level: Internal
Services and Functions
Services
Supported Channels
Radio Network Functions

38. Confidential Information of
Huawei. Security Level: Internal
Radio Network Functions
Power Control: Open loop power control, Inner lo
op power control, Outer loop power control,
Handover: Soft handover, Softer handover, Hard
handover
Measurement: SIR and SIRerror measurement,
Carrier transmit power estimation, Transmit code
domain power estimation, BER, BLER, RSSI, RT
T etc

39. Confidential Information of
Huawei. Security Level: Internal
Radio Network Functions
Transmit Diversity: STTD, TSTD and the closed
loop transmit diversity of Mode 1 and Mode 2
Receive Diversity: Time diversity, Frequency
diversity, Space diversity, Polarization diversity

40. Confidential Information of
Huawei. Security Level: Internal
Huawei WCDMA NodeB
System Architecture
System Characteristics
Services and Functions
Reliability

41. Confidential Information of
Huawei. Security Level: Internal
Reliability
 Reliability Design of the System
 Reliability Design of the Hardware
 Reliability Design of the Software

42. Confidential Information of
Huawei. Security Level: Internal
System Reliability
Redundancy The baseband boards (the NULPs and the NDL
Ps) adopt the resource pool architecture. The two Iub interfac
e boards work in load-sharing mode.
Backup function Two NIFPs support the backup function.
E1/T1 bypass function under chain networking
Fault monitoring and handling

43. Confidential Information of
Huawei. Security Level: Internal
Hardware Reliability
Prevention of wrong board insertion
Speed shift and redundancy design for fan box
Reliability design for NLPA
Reliability design for power supply

44. Confidential Information of
Huawei. Security Level: Internal
Software Reliability
Regular check of critical resource
Task monitoring
Data check
Save of operation log information

45. Confidential Information of
Huawei. Security Level: Internal