SMALL CELLS BCR3.0 Mat Leaver October, 2011 Small Cells Agenda
Solution Overview and Refresher. Access Points
Femto Gateway Evolution Wi-Fi Access Point Capacity and Throughput
RF Mobility and RRM Security Enterprise Features Transport
Operability Synchronisation Overview and Refresher
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BSR Femto Architecture Flat IP, No RNC
Offers the benefits of Flat IP architecture Single architecture
supports Residential, Enterprise, and Metro cell CPE Small Cells
Coverage and Capacity Basics
Macro + Small Cell Coverage Mobile Service Coverage Capacity Need
Withoutdedicatedenhancement With dedicated enhancement In-building
coverage and capacity rarely go hand-in-hand 5 Small Cells Layered
Networks for Capacity and Coverage
3G Macro Capabilities Highly mobile users,non-real time data
sessions (e.g.,, web surfing) 3G Macro LTE Macro Capabilities LTE
Macro Highly mobile users,real-time data sessions, large data
transfers 3G/LTE Small Cells Capabilities Small Cell Relatively
stationary mobile users, real time data sessionslarge data
transfers Small Cells Better Coverage and Capacity
Distribution
Metro Cells provides Dedicated capacity where needed Increased
Macro Capacity Coverage Vs. Macro Cells Macro Cells + Metro Small
Cells Capacity Metro Cells are Small - may be deployed anywhere
Versatile - may be used indoors or outin urban, suburban, and rural
locations Cost-effective - many targeted small cells vs. one macro
cell Average Throughput Average Throughput Vs. Cell Center like
Throughput Macro Cells Macro Cells + Metro Small Cells Metro Cells
Help the Big Ones Provide Higher Network QoS Managing categories of
users
Access Control Depending on the Enterprise policy, one of the
following modes can beselected: Public Macro Extension No ACL
check. Any user which is allowed to roam on the macro network is
allowed to access the open Femto cell Managing categories of users
Only users listed in theAccess Control List (ACL)are allowed to
access theFemto cell Restricted to configured users Similar to open
access, except that in case of congestion, priority is given to
registered users listed in the ACL. Priority given to the employees
Introduction to Femto Groups Femto Group Support
Small Cell Group = Group of Cells for Extended Coverage A Femto
group is used for private or public areas(small/medium enterprise,
hotels, etc) wherethe individual AP coverage and/or capacity is
notsufficient. Common LAC/RAC No LAU/RAU Common ACL No access
control duringmobility Automatic configuration of the neighbouring
listwith sniffer Up to 256 small cells 9 Introduction to Femto
Groups Femto Group Characteristics
A Femto Group could contain as many as 256 Femto cells regardless
of access mode. A Femto cell can belong to only one Femto Group All
Femto cells belonging to a group shall have a set of common
parameters A user can move inside the Femto Group In idle mode :
Inside the Femto Group, there is no LAU/RAU (and therefore no
Access Control) as a common LAC/RAC is used Access Control is not
needed as long as there is a common ACL for the Group In connected
mode Femto to Femto Handover within the Femto Group is supported
Again, Access Control during HO is not needed as long as there is a
common ACL for the Group In the solution, there is no extra
signaling load on the CN due to Femto to Femto Mobility. Access
Points Divider Section Break Pages
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generated from a Master slide template Small Cell CPE Overview 9361
V2 Home Cell (2100MHz)
Main features: 4 users 20mW PC302 2100MHz UMTS operating band
900/2100MHz UMTS sniffing band 900/1800MHz GSM sniffing band HSPA
Ethernet backhauling Ethernet pass through: 2nd Eth port available
toconnect any device like a Personal Computer tothe backhaul. Femto
traffic is processed with thehighest priority Security through
digital certificate Optional SIM card reader AC/DC power adaptor CE
certification Free standing and wall mounting Alcatel-Lucent 9361
Home Cell V2 20mW 4 users 2100MHz Small Cell CPE Overview9361 V2
Home Cell (2100MHz with special sniffer)
Main features: 4 users 20mW PC302 2100MHz UMTS operating band
850/2100MHz UMTS sniffing band 850/1900MHz GSM sniffing band HSPA
Ethernet backhauling Ethernet pass through: 2nd Eth port available
toconnect any device like a Personal Computer tothe backhaul. Femto
traffic is processed with thehighest priority Security through
digital certificate. Optional SIM card reader AC/DC power adaptor
CE certification Free standing and wall mounting Alcatel-Lucent
9361 Home Cell V2 20mW 4 users 2100MHz Small Cell CPE Overview 9361
V2 Home Cell (850/1900MHz dual band)
Main features 4 users 100mW (20mW as a HW option) PC302 1900/850MHz
UMTS operating band 1900/850MHz UMTS sniffing band 1900/850MHz GSM
sniffing band HSPA Ethernet backhauling Ethernet pass through: 2nd
Eth port available toconnect any device like a Personal Computer
tothe backhaul. Femto traffic is processed with thehighest priority
AGPS with internal antenna and externalantenna connector Security
through digital certificate. AC/DC power adaptor UL/FCC
certification Free standing and wall mounting Alcatel-Lucent 9361
Home Cell V mW 4 users 1900/850MHz Small Cell CPE Overview 9361 V2
Home Cell (1700MHz AWS band)
Main features: 8 users 100mW (20mW as an HW option) PC302 AWS
operating band AWS UMTS sniffing band 1900MHz GSM sniffing band
HSPA Ethernet backhauling Ethernet pass through: 2nd Eth port
available toconnect any device like a Personal Computer tothe
backhaul. Femto traffic is processed with thehighest priority AGPS
with internal antenna and externalantenna connector Security
through digital certificate. AC/DC power adaptor UL/FCC/IC
certification Free standing and wall mounting Alcatel-Lucent 9361
Home Cell V2100mW 4 users 1900/850MHz Small Cell CPE Overview 9362
Enterprise Cell V2.2
Main features High capacity, users Low power, 100mW with option to
increase to 250mW PC333(hardware 32 user capable through later
software upgrade) 850/1900MHz UMTS operating band 850/1900MHz UMTS
sniffing band 850/1900MHz GSM sniffing band HSPA+, 64QAM Rx
Diversity Optional external WCDMA antennas Ethernet backhauling
PoE(+) or AC/DC power adaptor CI/FCC certification Free standing,
ceiling and wall mounting, horizontal or verticalorientation Wi-Fi
extension connector Final casing under investigation Alcatel-Lucent
9362 Enterprise Cell V2.2 upto 250mW users /1900MHz 16 Small Cell
CPE Overview 9362 Enterprise Cell V2.2
The V2.2 introduction plan is: BCR2.4.1 2100MHz variant first to
tackle Vodafone and EMEA needs. Support via a maintenance software
load in May 12. Will then be carried forward in toBCR3.0 as a maint
load. BCR3.0 2100MHz variant with special sniffer (900MHz)
integrated. Will support via a maintenance load in planning. BCR4.0
Dual band variant 1900/850MHz 2100MHz with integrated WiFi from
BelAir. No launch plans yet for AWS band CPE. 17 Small Cell CPE
Overview 9362 Enterprise Cell V2.2 Wi-Fi
Uses: BelAir20E Specifications Indoor variant (commercial grade
components) 2 stream MIMO Tx Beamforming Simultaneous 2.4GHz &
5GHz 2Rx, 2Tx Atheros SoC AR9344 with MIPS74K core (400 MHz,
DRUE:600 MHz) 128MB RAM, 32MB Flash (serial flash slower booth
time) 18 Small Cell CPE Overview 9363/9364 Metro Cell
Hardware : 2 versions : 9363 Indoor and 9364 Outdoor 250mW, Rx
Diversity 32 users capable(*) Software usually configured in open
access mode Specific Metro features : Configuration Management and
Performance Management Installation by the Operator (*)depending on
Software Femto Gateway Evolution
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Feature 116361 ATCA Femto Gateway Platform Migration
From 1 to 6 pair of SBC (single boardcomputing) for 1 to 6 cluster
capacity Main Features 2.4.1 feature set 1+1 redundancy of all
elements NEBS-3 certified & ETSI compliant Scalability from 1
to 6 clusters 4k Enterprise CPEs 16 users per clusterwith open
traffic model 64k H-AP per cluster 2Gbps optical Ethernet
connectivity percluster Optional cabinet and PDU with the ATCAshelf
ATCAv2 Shelf RTM with 13x1Gbps Optical Ethernet Malban 10 switching
board 1 pair of switching boards with externalconnectivity Feature
118697 / 120360 / 118680 ATCA OAM Support
This feature provides the OAMinterface between the ATCA platformand
the Small Cells network. The OAM provides: Alarm reporting and
propagation to theWMS. Inventory management for each FRUinstalled
in the chassis and propagation tothe WMS (including h/w, s/w
andfirmware). Config management for each item installedin the
chassis. Chassis status temperature, voltage, LEDstates etc.
Chassis control cards power on and off,reset etc. ATCA Shelf
Feature 114014 Active-Warm Standby BSR-GW
Core network nodes (MSC/SGSN) DESCRIPTION Each FAP has double SCTP
connection toward bothActive and standby FGW Each FAP is registered
in both Active and StandbyFGW In case of active FGW failure, the
transportcapability between FAP and FGW as well as theFAP
registration status are not impacted. FAP canplace new calls as
soon as the CN connection isreset VALUE Tackles the issue of
downtime due to re- establishment of 64k SCTP connections
Drastically reduces the service downtime duringfailover from 30min
to 30s DEPENDENCIES Both Iu and Iuh FAPs can simultaneously
besupported, but only Iu FAPs benefits theavailability improvement.
SCCP connections Warm Standby-GW Active-GW SCTP connections FAP
continues to radiate during failover FAP stops to radiate during
failover Iu FAP Iuh FAP Connections up before A-GW failure only
Connections up after A-GW failure only Connections up before &
after A-GW failure Wi-Fi Divider Section Break Pages
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highlights
Wi-Fi Hotspot Architecture highlights Internet traffic off load
Common AAA framework Open Registration portal secured SSIDs for
both EAP-AKA capable and non capable UEs On line off line wi-fi
charging Lines Dotted lines: signaling or O&M plane Plain
lines: user plane Boxes in bold:products Not in bold: functions
O&M RF management Collectors Wifi NMS SNMP+ proprietary HDM FMS
SeGW SC-GW MSC/ SGSN AP IPsec FAP AAA WAP RADIUS HLR WLAN-GW L2oGRE
or VLAN eBNG PGW/ GGSN IP PoP 3 MNO SSIDs (open, PEAP, EAP-AKA )
Redirection to registration portal DHCP/RADIUS gateway Traffic
breakout CG-NAT Charging OCS/GW Roadmap elements Small cell: BCR
3.0, V3 metro & V2.2 enterprise IPD: SR-OS 9 BelAir: AC R1,
BelAir OS R12, BelView R6 binding EAP-AKA authentication PEAP
authentication IP address provisioning Wi-Fi BelAir OS All BelAir
radios are running BelAirOS
Based on Carrier Grade Linux BelAirOS implements PEP (traffic
management, authentication, lawful intercept) Software Selectable
Radios Modes: Mesh, Access, Point to Point, Point to Multipoint
Advanced RF operation (high interference, automatic settings)
Management, Statistics and Troubleshooting tools Plug and Play into
carrier network Can link into multiple management systems In
service software upgrade with dual bank management Mobility
(including make before break) Multiple tunnel methods L2TP, CAPWAP,
GRE, L2VPN, PMIP, (GTP roadmap) Virtual AP Lawful intercept Wi-Fi
Access Controller
Carrier optimized Controller Key Features Hosted at Carriers
location Manages subtended Access Points Mobility between subtended
Access Points Caches Credentials from the Policy Manager Data
Collection and Management for subtended Access Points Interface
Northbound to BelView Proxy Mobile IP Northbound for Wide Area
Mobility Tunnel Northbound L2VPN, GRE for Wide Area Mobility GTP
North Bound for S2b IF (roadmap) CAPWAP encrypted protocol to
Access Point Embedded test tools Optional local offload Secure
Access Point Authentication 3 Hardware Versions Allows for scaling
(50 to 2000 APs) Wi-Fi Management System
Manages 100k devices (AP or Controllers) GIS enabled with street
maps GPS Enabled Linked to Google Street View Groups withAuto Group
on screen Provisioning Templates Plotting features for trends, etc.
Secure, multiple roles Remote Access Color coded nodes based
onmultiple parameters for trend / troubleshootanalysis Multiple
Network Views Multiple Alarm Views SNMP BNMP Optimized for large
amounts of data, plus guaranteed delivery Capacity and
Throughput
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Small Cells 24/32 User Capacity
DESCRIPTION With this feature, V2 Enterprise and Metro Cell HW
platform will support higher capacity, increasing the maximum
number of simultaneous active users supported on a Small Cell AP to
up to 24/32 The actual number of supported calls depends on the RAB
or RAB combination VALUE Increased capacity Addresses new market
segments (hot spots, large business ..) DEPENDENCIES 24/32 user
capacity available for V2 Enterprise and V2 Metro hardware only
Small Cells 64QAM for HSDPA
DESCRIPTION Higher order modulation allows to reach
higherthroughput (64QAM allows to transmit 1.5 timesmore bits per
symbol compared to 16QAM). Peak PHY rate is increased from 14Mbps
to21Mbps. 64QAM usage more frequent in Small Cellenvironment
compared to Macro due to betterCINR distribution VALUE Higher UE
throughput & higher cell capacitycompared to Rel-5 HSDPA.
DEPENDENCIES Rel 7 UE V2 Enterprise, V2 Metro V2 Home with
restrictions x2 spectral efficiency X1.5 spectral efficiency RF
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generated from a Master slide template 108877 Continuous coverage
self-optimization based on Admission
Shared Carrier Continuous coverage self-optimization based on
Admission DESCRIPTION Method to adapt the Femto cell size based on
the adjustment the pilot power level, from how often handover and
camping events occur. Applicable in closed access mode For public
user, a minimum number of camping and incoming handover attempt
events is targeted and pilot power is adapted to achieve this
target Additionally rate of outgoing handover attempts by connected
UE is monitored and used VALUE Ensure consistent cell radius With
this methodology, excessive signaling, resulting from frequents
handover requests, is kept within acceptable levels. Street Public
UE Reduction ofthe max TXpower 76985 Automatic Carrier
Selection
Shared Carrier 76985 Automatic Carrier Selection DESCRIPTION A
frequency list is provided by FMS Femto AP selects the frequency
relative to the macro layer (e.g. regional licenses) Femto AP
selects the frequency that is the less interfered using Network
Listening function VALUE Removes the need for manual provisioning
Selection of less interfered channel better coverage & capacity
Macro onf1 Macro onf1 f1 f2 116495 RF UL Interference
Management
Shared Carrier RF UL Interference Management Controlling Small Cell
UE max. UL Tx. Power based on Estimated pathloss between Small Cell
UE and its neighbouring Small Cell/Macro cell based upon UE CPICH
measurements and the neighbor CPICH transmit power UL UE maximum Tx
Power updated through RRC UE measurements configured based upon
events necessitating the measurement UL RTWP above a threshold
E-DCH configured in the UE An OAM defined maximum level of
interferences the Small Cell UE is allowed to create into another
Small Cell or Macro cell More robust E-DCH load control f-UE The
interference occurs when a Small Cell UE comes close to the border
of the neighbouring Small Cell / Macro cell, and there is also a UE
on the border of the neighbouring cell with high user density and
both with high uplink E-DCH. Small Cell UE raises noise floor of
neighbouring Small Cell / Macro cell. Small Cell UE shrinks the UL
coverage of the neighbours and may suffer degradation of the uplink
throughput. Mobility & RRM Divider Section Break Pages
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generated from a Master slide template 100888 Inter-freq Femto to
3G Macro Handover for PS and CS+PS calls
KPI Inter-freq Femto to 3G Macro Handover for PS and CS+PS calls
SGSN DESCRIPTION Outgoing handover for PS and CS+PS calls from
Femto cell towards 3G macro network VALUE Seamless mobility with 3G
macro layer for both CS and PS services End user experience is
enhanced while PS data session is ongoing RNC SRNSRELOCATIO N FGW
BSG BPG BVG 3GMacrocell Femtocell 101684 3G Macro to Femto Handover
for PS and CS+PS calls
KPI G Macro to Femto Handover for PS and CS+PS calls SGSN
DESCRIPTION Incoming handover for PS and CS+PS calls from 3G macro
cell to Femto cell VALUE Seamless mobility with 3G macro layer for
both CS and PS services End user experience is enhanced while PS
data session is ongoing RNC SRNSRELOCATIO N FGW BSG BPG BVG
3GMacrocell Femtocell 75386 Cell Change Order (Femto to Macro 2G PS
handover)
KPI 75386 Cell Change Order (Femto to Macro 2G PS handover) SGSN
DESCRIPTION Outgoing handover for PS calls from Femto cell towards
2G macro network This is done through the Cell Change Order
procedure VALUE Seamless mobility with 2G macro layer for both CS
and PS services End user experience is enhanced while PS data
session is ongoing RNC FGW BSG BPG BVG 2GMacrocell Femtocell
CellChangeOrder 75387 UE Assisted Handover Femto to Macro
Handover
KPI 75387 UE Assisted Handover Femto to Macro Handover SGSN
DESCRIPTION The best target macro cell is determined just before
the handover and is based on UE measurements for the current UE
location Based on Ec/No and RSCP for 3G Based on RSSI for GSM
Compressed Mode is used to obtain UE measurements VALUE Increased
handover success rate The UE is handed over to macro cell with the
best quality according to the configured handover target options.
RNC SRNSRELOCATIO N FGW BSG BPG BVG Macrocell Femtocell 100856
Intra-freq Femto to 3G Mobile Assisted Handover for CS calls
Shared Carrier Intra-freq Femto to 3G Mobile Assisted Handover for
CS calls SGSN DESCRIPTION Outgoing CS handover for calls from Femto
cell towards 3G macro network on the same frequency Based on UE
measurements Trigger when Macro neighbour becomes better than
current cell by given offset VALUE Better target cell determination
and therefore improved KPI for shared carrier mobility RNC
SRNSRELOCATIO N FGW BSG BPG BVG 3GMacrocell Femtocell Shared
Carrier Intra-freq Femto to 3G Mobile Assisted Handover for PS and
CS+PS calls SGSN DESCRIPTION Outgoing PS and CS+PS handover for
calls from Femto cell towards 3G macro network on the same
frequency Based on UE measurements Trigger when Macro neighbour
becomes better than current cell by given offset VALUE Better
target cell determination and therefore improved KPI for shared
carrier mobility RNC SRNSRELOCATIO N FGW BSG BPG BVG 3GMacrocell
Femtocell 119860 3G Sniffing Capability in 2100/850MHz
Vivo Must Have G Sniffing Capability in 2100/850MHz DESCRIPTION
This feature enables the support of 2100 MHz Femto AP, with the
capability to do Network Listening (or sniffing) in the following
bands 3G : 2100 and 850 bands 2G : 1900 and 850 bands Macro/Femto
mobility is supported between both layers, either 1900 or 850
frequency band VALUE Customer is able to deploy Femto solution in
2100 Mhz while allowing full mobility to/from 3G 2100 and 850 bands
DEPENDENCIES : V2-EC-2S MHz Home Cell with 2G Sniffing Cap
1900/850MHz & 3G Sniffing Cap 2100/850MHz GSM UMTS 1900 MHz
2100 MHz 850 MHz 850 MHz Femto operating in Mhz, with 850sniffing
capability Security Divider Section Break Pages
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generated from a Master slide template Feature 83086 Digital
Certificate Support
AAA DESCRIPTION The AP proves its own identity to the network by
presenting own certificate. This certificate is installed on the
BSR at the manufacturing plant. It identifies uniquely the device
(BSR serial number is in the subject field). No other device can
use the same public key, as it can be only used together with its
pairing secret key. Secure boot process Secures bonding of public
key to the femto VALUE Simplification the provisioning of the
authentication system. Confidence that only legitimate SW is
running on femto Confidence that approved configurations are
running at femto. Identity proof: Operators root certificate. It is
trusted in femto. Peer id check: vendors signature on the femto's
certificate. IKEV2 Are you who you say you are? Identity proof: Own
serial-based cert signed by vendor. BSRFemto Femto secure boot HW
V2Dependant Feature 83086 Digital Certificate Support
Vendor Operator End user Operator trusts to the vendors root
certificate (offline, once) Customer purchases the BSR femto Femto
serial number is recorded BSR shipped Femto connected and powered
on Femto manufactured Own certificate with serial number + vendors
name, issued by the vendor Trust to operators root certificate IP
address of operators CS FAP serial number BSR Installed Connection
request and authentication Identity proof: Operators root
certificate. It is trusted in femto. Peer id check: vendors
signature on the femtos certificate. Identity proof: Own
serial-based cert signed by vendor. Operator trusts to vendor. Peer
is authenticated secure communication with the HNB-GW starts
Enterprise Specific Features
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Feature 92068 Extended ACL Size
DESCRIPTION A Femto group is used for private or public areas
(small/medium enterprise, hotels, etc) where the individual Femto
coverage is not sufficient Currently a Femto Group in closed mode
can support up to 256 entries With this feature the ACL list size
is extended to support large enterprises VALUE With extended ACL,
Femto Groups can support large corporations ACL IMSI1 IMSI2 IMSIn
Large corporation Office branch Transport Divider Section Break
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generated from a Master slide template RTCP for IuCS over IP
Description With this feature the femto cluster exposes an
RTCP(Real Time Control Protocol) stack to the MSC onthe IuCS
interface when based on IP As for RTP connections, the BSR-GW hides
to thecore network the cardinality of the RTCP sessions The quality
of each single RTP session between FAPand MSC is monitored by a
dedicated RTCP session. Value RTCP is a 3GPP optional IuCS protocol
aiming at monitoring thequality RTP connections. MSC typically
leverages RTCP qualityreports to manage RTP sessions (e.g.
terminate the call in casethe quality is insufficient), build
statistics etc. Dependencies In case feature multi-operator femto
cluster is used,the RTCP feature can be activated / disabled per
operator. Monitor quality of voice on IuCS over IP Monitor quality
of voice on IP based IuCS Operability Divider Section Break
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generated from a Master slide template 78594 Small Cells Network
Support for End-to-End Call Subscriber Trace
DESCRIPTION Subscriber Trace by UE Subscriber Trace collected by
FGW andSmall Cell Initiated by WMS and trace collected byWMS FGW
determines the supporting Small Cell VALUE Fault localisation WMS
IMSI FGW Trace reports IMSI Feature 120359 HDM Alarms in WMS
This feature integrates all the HDM alarms in the WMS using the
existinginterface between both systems. An icon will represent HDM
on the WMS GUI. HDM alarms will be available on WMS 3GPP FM NBI.
The alarms already existing for the link failure between WMS and
HDM will beavailable in the context of the HDM icon and available
on the WMS NBI as well. 53 Synchronisation Divider Section Break
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generated from a Master slide template Feature 119109 Meinberg NTP
Integration
This feature allows the Small Cell AP to derive its NTP timing from
theMeinberg NTP server. BCR2.4.1 release supports up to 2 NTP
Meinberg servers just as it does forBrilliant / Symmetricom NTP
servers. In addition the feature extends the current implementation
which uses upto two NTP servers to be extended to up to five. The
selection of the server is tried randomly and evenly distributed
overthe available servers. There is no defined primary/secondary
server, they have equal priority. The budget for NTP data exchanged
between Femto AP and NTP server permonth will be similar to the
budget for the Bti NTP server i.e. 200 Mbytes ineach direction,
total 400 Mbytes per small Cell AP (assuming a wellbehaved network
and that the Meinberg server is not overloaded). NTP algorithm
supported in BCR3.0 will mean, in the worst case event (all APscold
start) each Meinberg server will support a maximum 500 APs. Will
support 1K APs typical load.