1. symmetry MX
access network
About SR Telecom & Co.
Putting WiMAX to work for enterprise,
SR Telecom & Co. is a leader in innovative broadband wireless access
residential, and mobile customers
(BWA) solutions for voice, Internet and enterprise services. Our team symmetryMXTM offers operators a suite of optimized solutions for mobile, nomadic, and fixed networks. The symmetryMX
has over 25 years of experience in designing, developing and deploying family is based on SR Telecom’s massively scalable CBS5000 base station, running symmetryMXe software for mobile and
wireless access networks for top-tier organizations around the world. nomadic applications and symmetryMXd software for fixed applications. All of our solutions leverage SR Telecom’s industry
benchmark NMS to provide cost-effective WiMAX services that maximize subscribers’ Quality of Experience and drive operator profits.
SR Telecom & Co. focuses on delivering premium broadband technology
and business-driven services that exceed operators’ expectations and drive
their business forward. SR Telecom is the only BWA vendor with a decade
of experience deploying advanced WiMAX technologies in end-to-end
solutions. Operators rely on us for rock-solid network stability. With networks of The CBS5000 is compact, consumes
little power and occupies a small foot-
200,000 subscribers built on our technology, real-world experience drives our
print, making it extremely easy and cost-
product innovation. Our solutions and support strategies are key enablers for CBS5000 Base Station effective to deploy in existing infrastruc-
large-scale WiMAX rollouts. tures, such as buildings and shelters.
Superior performance and features
in a compact form factor
802.16e standard and the fixed/
The CBS5000 is the building built around a carrier-grade giga- nomadic 802.16d standard, allowing
block of a network of broadband bit router and an array of powerful operators to deliver mobile, nomadic,
WiMAX cells, providing subscrib- digital signal processors. A single and fixed broadband services using
For further information, please contact: ers with multi-megabit data rates CBS5000 indoor unit can support a single hardware platform.
info@srtelecom.com for Internet, video and VoIP ap- up to three separate WiMAX ra-
plications. Offering proven radio dio sectors, with 2-channel diver- migration from 802.16d to 802.16e
diversity technology, an innovative sity on each sector (STC / MIMO or later revisions can easily be
form factor, and complete support Matrix A), and a roadmap to AAS. implemented with minimum
for mobile (802.16e-2005) and Thanks to its massive packet pro- network impact.
fixed (802.16d-2004) WiMAX, cessing capacity and ability to sup-
the CBS5000 allows operators port an unlimited number of service provides support for MIMO 2X2
to cost-effectively roll out mobile, flows – each with its own queue and 4X4 technologies.
residential and enterprise services. and QoS parameters – a single
CBS5000 can ensure qual-
for easy deployment of remote base
The CBS5000 is an advanced ity of experience for thousands
stations and remote radio sectors
WiMAX base station platform of subscribers. using metropolitan optical
networks as backhaul.
SR TELECOM & CO., SR TELECOM, SYMMETRY, SYMMETRYMX, SYMMETRYMXD, and
SYMMETRYMXE are trademarks of SR TELECOM & CO. All rights reserved 2008. All other
trademarks are property of their owners. Information subject to change without notice. June 2008. www.srtelecom.com www.srtelecom.com

2. CBS5000 Platform symmetry MXd
symmetryMXd is the ideal solu- ation capabilities, symmetryMXd
tion for operators deploying fixed delivers the dependable Internet
networks in the 2.5 GHz, 3.5 and voice services residential and
Internet GHz, or 10.5 GHz bands, particu- enterprise users demand, and of-
larly if FDD operation is a must. fers benchmark performance as
VoIP
RBDN OBSAI Link 5 km symmetryMXd is an agile plat- a video surveillance platform for
Remote form for residential, small office, governments, municipalities, and
ASN-GW 1000Base SX/LX Strategic Fiber Location
Radio
Sector enterprise, and multi-dwelling security agencies.
IP VPN
applications that delivers the ser-
vice quality and reliability that With a range of channel band-
builds customer satisfaction. widths available from 1.75 MHz to
7.0 MHz, symmetryMXd permits
symmetryMXd enables operators operators to deploy high-capacity
to provide a wide range of profit- broadband networks in as little as
able voice and broadband data 7 +7 MHz of spectrum. Opera-
services—like VoIP, high-speed tors that have access to 10.5 GHz
Internet, IP VPN, videoconferenc- spectrum can use symmetryMXd
ing, streaming audio and video, to serve enterprises and multi-
and gaming—or to backhaul WiFi dwelling units at price points that
Hot-zones. Thanks to its unique that will radically change their
Quality of Service and service cre- business cases.
Optical network Cost-effective
interfaces Compact base station that can
Electrical, mechanical,
With optical core network interfaces be deployed in small footprint. Highlights Configurable TDD uplink/downlink Airlink profiles
environmental features partition to optimize system
(1000 Base SX/LX), the CBS5000 Up to three sectors per base The only platform that is WiMAX 2.5 GHz, TDD
Mechanical (W x H x D) base station can connect directly to station, with two transceivers performance for uplink-intensive
Forum certified for FDD and TDD 3.5 GHz, TDD
Indoor: 440 x 44.5 x 323.85 mm high speed optical transport networks, per sector to support STC operation. applications like video surveillance
3.5 GHZ FDD
(17.3” x 1.75” x 12.75”) simplifying deployment of remote base and 2x2 MIMO. and industrial monitoring (SCADA).
Proven interoperability with a range 10.5 GHz FDD
Outdoor: 280 x 510 x 110 mm stations.
(11” x 20” x 4.5”) Delivers RF power at the antenna of 3rd party CPEs allows operators Patent-pending QoS system Multiple channel bandwidths:
The CBS5000 indoor unit connects for a high link-budget at a fraction of to access a deep and mature eco- increases subscriber capacity, 1.75 MHz, 3.5 MHz,
Operating temperature the power consumption and cost of enables innovative services like 5.0 MHz, 7.0 MHz
to the transceivers over standard system of cost-effective suppliers.
Indoor digital shelf: -5 to +45° C (23 to 113° F) larger, ground-based stations.
Open Base Station Architecture Initia- Video Surveillance, and ensures symmetryMXd seamlessly integrates
Outdoor WBRU: -45 to +60° C (-49 to +140° F) Reliable, differentiated Internet
tive (OBSAI) interfaces, with a range Two backhaul options: 10/100/1000 access services with patent- customer satisfaction. key advanced WiMAX technologies—
Humidity up to 5 Km. This extended range optical fiber or 100/1000BASE-T. pending Quality of Service features. A unique WiMAX service creation including sub-channelization, antenna
5% to 95 % non-condensing facilitates deployment of remote ra-
Embedded GPS Primary line voice services using environment permits operators diversity, adaptive modulation, power
Weight dio sectors, while the OBSAI standard
synchronization eliminates Dynamic SIP Service Control to create new services and control, space time coding, ARQ, and
Indoor digital shelf: 3 sectors = 3 kg (6 lbs) interface allows operators to benefit
need for separate GPS receiver. that is compatible with any CPE applications quickly and easily. bandwidth optimization—to optimize
Outdoor WBRU: 7 kg (15 lbs) from the evolution of industry-standard
radio modules. or VoIP gateway. spectrum usage, and improve NLOS
Power supply High-reliability, rugged and Flexible, VLAN translation
weatherproof design of ODU. coverage and in-building penetration.
-48 Vdc nominal (-40 to -60 Vdc) Enhanced symmetryMX air inter- supports enterprise services,
Mission-critical applications face offers better Non-Line of Sight simplifies integration with operator Security
Power consumption
Indoor digital shelf: 3 sectors = 75W Typical with 1+1 redundancy (NLOS) performance, superior networks, and enables the DES Encryption with secure
Outdoor TDD: The CBS5000 can optionally be in-building coverage, and higher “carrier’s carrier” business model. subscriber station authentication.
equipped with full IDU redundancy to capacity, using proven
ensure high system availability and STC technology.
end-user satisfaction.

3. symmetry MXe
With symmetryMXe, operators will tap • Delivers a full range of services: VoIP, Mobility Nomadicity Fixed Services
into the explosive demand for ubiquitous high-speed Internet, IP VPN, videocon-
mobile and nomadic broadband IP servic- ferencing, streaming audio, video, and To enable mobility, the symmetryMXe Nomadic users can access broadband Operators planning to deploy WiMAX
es. symmetryMXe offers operators the gaming. base station implements a series of WiMAX services whenever they power 802.16e for fixed services face a
choice of a full mobile solution using ASN functions including Mobile IP sessions, up their terminal in the WiMAX coverage challenge. Mobile WiMAX relies on
Profile A with a standards-compliant R6 • Optional layer 2 convergence sublayer as well as handover functions. The base area. mobile IP sessions and is not transpar-
interface to ASN Gateways, and a stand- to support Ethernet bridge operation and station is capable of doing intra-and symmetryMXe offers a unique self- ent to many of the protocols, such as
alone nomadic ASN Profile B solution that VLAN applications. inter-BS handoff and relies on the inter- contained core network solution for no- PPPoE and VPN, used in fixed networks.
simplifies deployment and reduces both action with an Access Service Network madic deployments. The symmetryMXe Moreover, the requirements of a mobile
the up-front investment and operational • Optional 64QAM uplink support im- to handle both Mobile IP sessions and nomadic profile B solution integrates airlink impose a heavy loss of capacity in
expense of a WiMAX 802.16e network. proves capacity and user experience for handovers. ASN-GW functions and CSN functions fixed networks. For fixed applications,
fixed/nomadic applications. symmetryMXe implements features
The CBS5000 supports WiMAX Forum into the base station and network man-
• Advanced symmetryMXe air interface that are optional in the mobile WiMAX
Network Working Group Profile A, which agement system to create a stand-alone
• Nomadic Profile B can be easily inte- 802.16e standard, as well as specific
offers better Non-Line of Sight (NLOS), is suitable for large cellular deployments. solution that eliminates the expensive
grated with operators’ existing OSS and enhancements for fixed networks.
superior in-building coverage, and larger Thanks to its standards compliant R6 gateways and servers that are normally
BSS, without upgrading systems to sup-
capacity, using proven STC technology. interface, the CBS5000 ensures that required to roll out a WiMAX 802.16e Layer 2 convergence sublayer:
port Mobile IP and WiMAX-specific ex-
operators can choose from a range of network. Moreover, our Profile B solu-
tentions of the Radius protocol. The Layer 2 CS ensures transparency
ASN-GW suppliers. tion integrates seamlessly into opera-
tors’ existing infrastructure, whether it to tunneling protocols such as PPPoE
consists of a mobile core network, an and offers VLAN support, which is
ADSL-based ISP architecture, or a Tel- necessary for deployments where multi-
co voice network. The result is that ser- ple ISPs share a common infrastructure.
vice providers can deploy a future-proof
WiMAX 802.16e network that preserves 64QAM uplink modulation:
Product Highlights WiMAX ASN Integrated or external
SymmetryMXe their operating model rather than forcing
WiMAX AAA function allows Optional in the WiMAX forum 802.16e
Services Profile Compliance Deployment Models a major network upgrade.
operators to keep their existing profiles, 64QAM uplink modulation per-
Economical deployment of IP ASN Profile A fixed-line AAA mits more spectrum efficient, higher-rate
Layer 3 operation (IP routing) Highlights
applications, including: VoIP, ASN Profile A architecture for mobile IP uplink services, such as those required
OSS/BSS Interface for service Layer 3 operation is based on IP
multimedia conferencing, instant services, including: dynamic QoS, with Profile B solution allows operators to by business subscribers and backhaul
(either IPv4 or IPv6) links between the MS/SS
instantiation, update, deletion build a base of nomadic subscribers applications.
messaging, Web browsing, media Policy Server function interface. and external data networks which is the default
and bulk provisioning. without the cost, complexity, and reg-
content download and eMail, WiMAX Forum NWG architecture model.
Supports ASN-BS functions and ulatory hurdles involved in deploying a
interactive gaming, streaming On-the-fly Service Creation. Layer 2 operation
standard R6 interface (ASN-GW, full mobile network.
media, managed VPN and FTP. L2 or L3 operation ensures Layer 2 operation is based on
ASN-BS).
Supports Metro Area Network transparency to tunnelling Ethernet (IEEE 802.3) bridged Low-cost solution for smaller-scale
Roaming from home and visited links between the MS/SS and external networks that allows operators to
VLAN Services. Provides a protocols -- PPPoE and
networks using GRE tunnels to sup- data networks. scale their WiMAX investment to
low-cost QoS-enabled backhaul. VPN support
port Mobile IP, and inter-BS and initial subscriber densities and
AAA
Delivers IMS, multicast and broadcast inter-Gateway handoff for low total- Common Characteristics revenue streams.
Support of the WiMAX NWG
services. handover latency.
Simultaneous support of mobile and specification for AAA interface with The solution is also ideal for Enterprise
Security: including mobile SS and nomadic subscriber stations within the support for both L2 (e.g. PPPoE) and Industrial deployments.
Airlink profiles end-user authentication same cell . and L3 (IPoE) services.
2.5 GHz and 3.5 GHz, TDD Advanced Service profiles
duplexing with dynamic uplink ASN Profile B
and Service creation tools.
and downlink ratio control. Extended ASN Profile B architecture for
Nomadic and Fixed IP services, includ- Radio resource management
5 and 10 MHz channels. including service flow authorization
ing: built-in policy database, policy
Smart antenna systems: STC and decision, and enforcement point. and airlink admission control with
2X2 MIMO that optimize spectrum two possible models (ASN-GW
usage, improve link budget, Self-contained, ready to deploy, RRM or BS RRM) to support
mitigate interference and improve WiMAX ASN and CSN in a box. various ASN-GW profiles
in-building penetration. Interoperability with standard 802.16e CPEs and handover models.

4. symmetry MXd CBS5000 WiMAX Base Station Technical specifications symmetry MXe CBS5000 WiMAX Base Station Technical specifications
Code Point / TOS
Services Layer 4: Port number and/or range
Services MAC layer features
Network Segmentation Convergence Sub-layer Traffic priority marking ASN-BS functions QoS scheduler options Advanced Fast Scheduling Algorithm
and Network Prioritization Traffic Conditioning Per flow, Multimedia queuing, ASN Profile A functions, ASN-Profile B functions, implements per flow queuing and complies
services and interface: Services and Interface:
Convergence Ethernet/802.3 and Traffic conformance metering fully with all IEEE 802.16 QoS options.
Data Path Function Data Path Function
Sub-layer Service IP over Ethernet Token Bucket Traffic shaping, Handover function Nomadic Functions Airlink optimization and radio ARQ and HARQ
Packet Switching Low-latency Layer-2 switching and policy Congestion control (WRED) Context Function Context Function
Radio Resources Agent Radio Resources Control resources management Radio Resource Agent
switching that enables easy inter-working Latency and jitter control
Authentication relay and Management Management and control
with Routers, Gateways, Firewall/NAT, IP Filters Key receiver Authentication (EAP based) with Dynamic Bandwidth Allocation
PBX, Media Gateway, Demilitarized Zone
Broadcast, Multicast filters, Broadcast Service. Flow management Radius support
(DMZ) Host, Multicast Routers, Diffserv Air Link Admission Control (Network
Strom Filters, Access control list Paging Agent in the BS Key Management
networks and MPLS switches. R6 support Service. Flow management admission control in the ASN-GW)
defined through classifier rules.
User Traffic Protocol IPv4, PPPoE, L2TP, IPSec, PPtP, MPLS 802.16e-2005 MAC Nomadic network support Multicast group polling
QoS Scheduler Options Advanced Scheduling Algorithm common part support R3 support
IP Configuration Dynamic Host Configuration Protocol Policy database and control support Policy management Service flow management
with full WiMAX QoS support.
(DHCP) support or static configuration OSS/BSS Provisioning Interface. Multiple classes of service for each SS
Airlink Optimization
802.16e-2005 MAC common
Grade of Service (GoS) Configurable and predefined Automatic Retransmission Security options AK Receiver
part support
GoS profiles reQuest (ARQ), Uplink power control TEK and SA management
SLA Protection: Admission Control Low-latency Layer-2 GRE Tunnel for Mobile IP
Payload Header Suppression, Authentication relay/ EAP Proxy
and Maximum Over Subscription Ratio switching and Layer-3 PMIP and Client MIPS over R6
Dynamic Bandwidth Admission Control Authentication based on
protection routing with QoS class support:
Maximum Over Subscription X.509 certificate
Backhaul network port 100/1000Base-SX/LX [SFP] Ratio Control, Multicast group polling Backhaul network port 100/1000Base-SX/LX [SFP]
100/1000Base-T 100/1000Base-T
Security Options Encryption: 3DES and AES (future) Physical layer
WBRU interfaces Open Base Station WBRU interfaces Open Base Station Architecture Initiative (OBSAI),
Secure Authentication (IDU-ODU Interconnect) Delay compensated for long
(IDU-ODU Interconnect) Architecture Initiative (OBSAI), Air interface 802.16e-2005
range support to 5 Km
Delay compensated for long range Physical layer Frequency range
support to 5 Km Synchronization source 2.5 GHz TDD (2500 - 2695 MHz)
Synchronization source Air Interface 802.16d-2004
3.5 GHz TDD (3300 – 3800 MHz)
Internal synchronization source: Software upgradeable
Channel bandwidth
to specific 802.16e profiles
Synchronization cascade Cascade Input: LVDS [RJ-45 Shielded] 2.5 GHz: Scalable 5.00, 10.00 MHz
Frequency Ranges 2.5 GHz TDD (2500 - 2695 MHz) interface Cascade Output: LVDS [RJ-45 Shielded] 3.5 GHz: 5.0, 10.0 MHz
3.5 GHz TDD (3300 - 3800 MHz)
ASN-GW interface R6 to ASN-GW (signaling and data plane) RF access scheme SOFDMA ( 512, 1024 point FFT)
Synchronization Cascade Input: LVDS [RJ-45 Shielded] 3.5 GHz FDD (3300 - 3800 MHz) CID Update
cascade interface Cascade Output: LVDS [RJ-45 Shielded] 10.5 GHz FDD (10.15 GHz - 10.65 GHz) R6 HO control trigger Adaptive modulation 64-QAM 5/6, 3/4, 2/3, 1/2
Network segmentation R6 tunnel management 16-QAM 3/4, 1/2
Channel Bandwidths 2.5 GHz TDD – 3.5, 5.0, 7.0 MHz
and prioritization CSN Interface (B Profile) R3 to AAA (Integrated option or external QPSK 3/4, 1/2
3.5 GHz TDD - 3.5, 5.0, 7.0 MHz
Typical Applications 3.5 GHz FDD - 1.75, 3.5, 7.0 MHz OSS/BSS Interface, Please contact
SR Telecom for details) Frame size 5 ms (TDD)
including: 10.5 GHz FDD – 3.5, 7.0 MHz
IP (video surveillance, distributed Network segmentation Maximum RF transmit power 31 dBm per transceiver
gaming, VoIP and multimedia Adaptive Modulation 64 QAM (3/4, 2/3), 16 QAM (3/4, 1/2), and prioritization
QPSK (3/4, 1/2), and BPSK (1/2) Antenna type Omni, sectoral, or panel
conferencing, streaming media, instant Typical Applications
messaging, Web browsing, Frame Size 5ms, 10ms including: IP (Video surveillance, distributed Cyclic prefix 1/4, 1/8, 1/16 (Fixed application)
media content gaming, VoIP and multimedia conferencing,
Maximum RF 31 dBm (3.5GHz, 2.5GHz) Smart antenna system / MIMO, AAS, STC Alamouti coding
download, managed VPN, FTP, streaming media, instant messaging,
Transmit Power Web browsing, media content download, RF path diversity
and E-mail, SCADA system)
Metro Area Network VLAN services managed VPN, FTP, and E-mail, , SCADA system )
Antenna type (typical) Sectoral Channel coding Convolutional coding with tail biting
Agile QoS-enabled Enterprise VPN, Metro Area Network VLAN services
Agile QoS-enabled backhaul for Convolutional Turbo Coding
Industrial applications and Cyclic Prefix 1/4, 1/8, 1/16, and 1/32 (configurable)
Enterprise VPE, Industrial applications, ATPC (Automatic Tranceiver Closed loop power control with
Backhaul solution. Diversity Polarization Diversity: Two-branch and backhaul solution.
Tx/Rx, with MRC and STC Power Control) adaptive modulation
IMS, multicast, and broadcast services
MAC layer features Open Loop Power control
Sub-channeling 2, 4, 8, and 16 channels User traffic protocol MIP GRE tunneling. (IPv4 initially, IPv6 future)
Convergence Sub-layer Extensive Packet Classification IPv4, PPPoE, L2TP, IPSec, MPLS Sub-carrier allocation PUSC, FUSC, Fractional Frequency reuse.
ATPC Uplink closed loop power control
Packet Classification Layer 2: IEEE 802.3, IEEE 802.1Q, Grade of service (GoS) Configurable and predefined GoS profiles
(Automatic Power Control) with adaptive modulation Sectors Up to 3 sectors with diversity
IEEE 802.1D (802.1p) SLA protection Dynamic provision via R6 interface (future)
Layer 3: IP, Differentiated Services Sectors Up to 3 sectors with diversity Admission Control DL: UL ratio Configurable