1. Small Cells:
Enterprise, Metro & Rural
Femtocells for 3G
Mindspeed Technologies
Mobile World Congress
Feb 27 - March 1, 2012
Nasdaq: MSPD

2. Enterprise and Metro 3G Small Cells
 Requirements for Enterprise and Metro 3G Baseband
 Stable PHY
 RX Diversity Support (uplink user count)
 MIMO/Dual Carrier Support
 Multiple SKUs supported off of common SW and minimum PCB variants
 SmartSignaling™
 Wide cell radius for rural applications (3km)
 High mobility for rural and metro (120km/h)
 Soft Handover support
 Required for outdoor cells
 Best customer experience for indoor
 Wide range of user counts
 Low cost and low power
Nasdaq: MSPD

3. Small Cell Platform: Femtocell Economics
Serves wide range of applications
64 users
Metro
16-24 users 32 users
Enterprise Rural
User Count
8 users PC3064
SOHO
PC3024
PC3032
PC3008
Residential Femtocell Enterprise Femtocell Public Space Picocell
Nasdaq: MSPD

4. PC30xx Low Cost Femto Products
PC3032
Single PCB, Single SW load Metro
32 Users
LABS
2TX + RX Diversity
One PCB, 4 product SKUs PC30xx 24dBm
High
Performance
PC3024
Enterprise
24-users
2TX + RX Diversity
PC3016 24dBm
Performance
PC3008
Next Generation Femto Small Office Femto
8-users 16 Users
RX Diversity 2TX + RX Diversity
13-20dBm 20dBm
PC30xx
PC3008 Low Cost
PC3016
Residential Femto Small Office Femto One PCB, 2 product SKUs
8-users 16 Users
SISO RX Diversity
13-20dBm 20dBm
User Count
Nasdaq: MSPD

5. smartSignaling™ Benefits
 Reduced Signaling Traffic in the Network
 Higher Effective User Count
 Improved UE Battery Life
Nasdaq: MSPD

6. smartSignaling™ Reduced Signaling
 Before smartSignaling™
- UEs cycle between Idle and cell_DCH states to save power
- Connection is created and torn down for each transition
RRC
Connection
Request
15-20 cell_DCH
messages to
the network
Data Large Data
Idle RRC
Exchange
Connection Inactivity
Mode Release
Small Data
cell_FACH Exchange
Data
Inactivity
Date/Control
To be Sent
cell_PCH/
URA_PCH
Nasdaq: MSPD

7. smartSignaling™ Reduced Signaling Load
cell_FACH
cell_DCH
 Enhanced cell_FACH
RRC
 New states supported in the UE Connection
Request
- Cell_FACH/cell_PCH/URA_PCH cell_DCH
- UE connection state is maintained
- Less messaging traffic as Data Large Data
Idle
connection is not torn down Inactivity Exchange
Mode
RRC
Connection Small Data
Release cell_FACH Exchange
- Data transmission still occurs using Data
common channels Inactivity
Date/Control
• RACH/FACH (low speed UL/DL) To be Sent
• Common E-DCH (high speed UL) cell_PCH/
• HSPDA is shared (high speed DL) URA_PCH
Nasdaq: MSPD

8. cell_FACH
smartSignaling™ Higher Effective User Count
cell_DCH
 Dedicated channels are not used to
maintain connection
 Data users not limited by dedicated
channel capacity
- Traditional ‘user count’
 Limited instead by RACH/FACH
capacity, common channel capacity
 Results in 100s of users being 100s of UEs
supported
Nasdaq: MSPD

9. cell_FACH
cell_DCH
smartSignaling™ Improved UE battery life
RRC
Connection
Request
 Enhanced cell_FACH states use cell_DCH
lower power on PA
Data Large Data
Idle Exchange
Inactivity
Mode
 Much improved battery life RRC
Connection Small Data
compared to connections with Release cell_FACH Exchange
dedicated channels
Data
Inactivity
Date/Control
To be Sent
cell_PCH/
URA_PCH
Nasdaq: MSPD

10. Rx Diversity
 Two antennas with maximal ratio combining
- Improved performance relative to simple antenna switching
 No loss of user/channel capacity
 Improves reception and uplink performance
 Improves pole capacity of the UE
- Vital in order to support capacity much above 8 users
Nasdaq: MSPD

11. DC– Dual Cell/Dual Carrier
 What is Dual Cell or Dual Carrier?
- Use of 2 adjacent 5 MHz channels in DL and/or UL (release 8)
- Non-adjacent channels (Release 9)
 Why
- Better data rates where radio conditions don’t favour MIMO
• MIMO requires good channel conditions and low correlation between
antennas
- Scheduling gains improve user experience
• Throughput
• Latency
• Cell balancing
- Better capacity than with separate NodeB implementation
- Better throughput and capacity than MIMO
- Macrocell parity
- UE categories 21-24 required
Nasdaq: MSPD

12. PC3032 Public Network / Picocell
 Local Area Basestation defined class in 3GPP -- Picocell
- High data rates and user capacity
- Maximum Tx power ≤ 24 dBm
- 120 km/h UE mobility
 PC3032M enables a Picocell
- 32 users
- TX MIMO or Dual Carrier
- RX Diversity
- Soft Handover
- Metro / City centre
- Rural
 Femtocell Economics
- SoC Baseband
- Multiple RF Providers
Nasdaq: MSPD

13. Soft-Handover Solves Problems in the Enterprise/Metro
In Soft Handover overlapping NodeBs
Communicate simultaneously with UE.
DL signal is summed at UE. Similar for UL
Case which reduces UE UL interference.
Without Soft Handover calls can
get dropped
Enterprise Femtocells must support
Soft Handover to work effectively in
dense deployments
Nasdaq: MSPD