Figure 1: Common Designs for Femtocell Base Station - PMC

Figure 1: Common Designs for Femtocell Base Station
and Mobile Station
Femtocell
to antenna
IQ interface
BB/MAC
MII
SDIO
USB 2.0
NIC or USB
Dongle
to antenna
CPE
WiZIRD 2Tx/2Rx Reference Design
Figure 1
PMC-Sierra
Figure 2: WiZIRD Supports Popular Global Licensed
Radio Spectra
WiZIRD Supports
2.3 GHz to 2.7 GHz
3.3 GHZ to 3.8 GHz
CANADA
RUSSIA
2.3, 2.5, 3.5 GHz
2.3, 2.5, 3.5 GHz
EUROPE
2.5, 3.5 GHz
USA
CHINA
2.5, 3.5 GHz
2.3, 2.5, 3.7 GHz
MIDDLE EAST
& AFRICA
INDIA
ASIA PACIFIC
3.5 GHz
2.5, 3.5 GHz
2.3, 2.5, 3.3,
3.5 GHz
LATIN AMERICA
2.5, 3.5 GHz
Figure 2
PMC-Sierra
Figure 3: WiZIRD 2Tx/2Rx Block Diagram (PM8800)
IQ interface
PM8800 WiZIRD™ 2X2
2.5GHz
VGA
Digital Core
VGA
ADC
LNA
Receive A
LO
3.5GHz
1st Order
Passive filter
2nd Order
Active Filter
2nd Order
Active Filter
IQ
Sfreq
Interface
Cnt
LNA
VGA
ADC
VGA
mixer
2.5GHz
Balun
Transmit A
TPC
Attenuator
PPA
3.5GHz
Balun
PPA
DAC
4th Order
Active Filter
LO
+
I/Q Rx
IQ
Sfreq
TPC
Attenuator
DAC
Digital Baseband Interface
mixer
Interface
Cnt
2.5GHz
VGA
VGA
ADC
LNA
Receive B
3.5GHz
LO
1st Order
Passive filter
2nd Order
Active Filter
2nd Order
Active Filter
IQ
Sfreq
I/Q Rx
LNA
VGA
ADC
VGA
mixer
2.5GHz
Balun
Transmit B
TPC
Attenuator
PPA
3.5GHz
Balun
+
PPA
DAC
4th Order
Active Filter
LO
Sfreq
TPC
Attenuator
ECBI
Cnt
IQ
DAC
mixer
Baseband
PLL
Figure 3
LO
PLL
DC Offset
DACs
TPC
DACs
filter
2*FLO/3
Tx Envelope
Detector
Register
Control
Block
Sfreq
Div 2
F LO/3
DCXO
Status and Control
Test Logic
SPI
Interface
SPI
Radio
Calibration
DC
BIAS
PMC-Sierra
Figure 4: WiZIRD 1Tx/2Rx Block Diagram (PM8801)
PM8801 WiZIRD™ 1X2
2.5GHz
VGA
VGA
LNA
Receive A
LO
3.5GHz
1st Order
Passive filter
2nd Order
Active Filter
Receive A -IQ
2nd Order
Active Filter
LNA
VGA
VGA
mixer
2.5GHz
Balun
TPC
Attenuator
PPA
+
3.5GHz
Transmit A
Balun
4th Order
Active Filter
LO
PPA
Transmit A - IQ
TPC
Attenuator
mixer
2.5GHz
VGA
VGA
LNA
Receive B
3.5GHz
LO
1st Order
Passive filter
2nd Order
Active Filter
2nd Order
Active Filter
Receive B -IQ
LNA
VGA
VGA
mixer
Radio
Calibration
Baseband
PLL
Tx Envelope
Detector
DC
BIAS
LO
Div 2
FLO/3
DCXO
Status and Control
Test Logic
SPI
Interface
SPI
TPC
DACs
filter
2*FLO/3
PLL
DC Offset
DACs
Register
Control
Block
Sfreq
Figure 4
PMC-Sierra
Figure 5: Extend Range, Rate and Roaming Architecture
(EXTRRRA)
Subscriber
Devices
Femtocell
Macrocell
Microcell
Figure 5
Picocells
PMC-Sierra
Figure 6: Increase Peak Data Rate with MIMO Support
Subscriber Station
Wave2+ 2T x 2R
PM8800 WiZIRD 2x2
Figure 6
Base Station
2T x 2R
PM8800 WiZIRD 2x2
Subscriber Station
Wave2 1T x 2R
PM8801 WiZIRD 1x2
PMC-Sierra