NXP C-5E C-5e™ Network Processor (NP) Guide

Access
2.5/3G Wireless BSC
Network Interface
Overview
UMTS and CDMA2000, has spurred the
Key Benefits
Telecommunications is undergoing extensive
development of more incremental standards
> Single “platform” architecture
change as media convergence, industry
for data transmission over legacy systems.
consolidation, Internet and IP technologies,
These are generally referred to as 2.5G.
and mobile communications come together.
This technology is expected to precede
As data transmission in cellular systems has
widespread deployment of the 3G systems.
become more important, the push for future
systems that are more data ready (that is,
With the convergence and evolution of the
packet-capable) has led to the
wireless infrastructure market, vendors are
establishment of third-generation (3G)
seeking solutions that will enable them to
standards. However, the cost and delay
support increased interworking and evolution
of deploying the full 3G standards, such as
of protocols to minimize market risks.
for low-end to high-end wireless
infrastructure devices
> Comprehensive wireless
network interface (WNI) reference
applications available for a big
jump start on development
> Minimizes risk as standards evolve
due to software-programmable nature
> Software reuse enables greater
reliability of software and greater
development productivity for OEMs
(Original Equipment Manufacturers)
> Fine-grained multiservice support for
FREESCALE ORDERING INFORMATION
Part Number
Product Highlights
Additional Information
PCC3E0RX180WB0B C-3e™
Network Processor
5.5W @ 180 MHz
www.motorola.com/networkprocessors
PCC5E0RX266WB0B C-5e™
Network Processor
9W @ 266 MHz
www.motorola.com/networkprocessors
MPC8280
PowerQUICC™
Processor
www.motorola.com/powerquicc
CSTC501W NOTE 1
C-Ware™
Software Toolset
Web site download of current CST
release (Windows or UNIX)
CDEV101A NOTE 2
CDS base unit (chassis, power
C-Ware
Development System supply, single board computer)
Notes:
1. The CST can be downloaded from motorola.cportcorp.com/support.
2. Ask your sales representative or distributor for details and availability of system modules, which you order separately.
high numbers of users
Freescale Semiconductor’s Solution
BSCs, because they are programmable for
As protocols evolve, the network processors can
Freescale’s C-Port™ network processor family
virtually any network interface and protocol,
be reprogrammed in software to address new
is well suited to serve as a base architectural
and they provide high-functional integration,
requirements. C-Port network processors
platform for wireless infrastructure devices, such
including built-in classification and traffic
support higher-level programming in C language
as base transceiver stations (BTSs), basestation
management capabilities. A key difference is
with applications programming interfaces (APIs),
controllers (BSCs), and mobile switching
that the C-3e network processor supports
enabling fast development of advanced features
centers. The C-Port Family provides the
up to 3 Gbps bandwidth and the C-5e network
by which you can differentiate your products.
programming flexibility to adapt to changing
processor supports up to 5 Gbps bandwidth.
wireless standards and offers various options
to address functional, cost, power, environmental
and density requirements for a range of devices.
In addition, the software is scalable across
With the extensive architectural flexibility of the
Both network processors provide
comprehensive protocol support for the
wireless infrastructure, including:
C-Port Family, a single line card can be
designed to interface to numerous types of
PHY modules supporting a vast range of
> ATM: AAL-2, AAL-2 SSSAR,
AAL-5 MPE, IMA
application requirements. This greatly simplifies
whether downstream at the BTS or upstream
> PPP: Multi-Class, Multi-Link, PPP-Mux
interface that a Radio Access Network (RAN)
in switching centers—building software reliability
> QoS: ATM TM 4.1 and DiffServ in software
needs to support can be based on a common
the C-Port network processors so that you can
reuse your software base in all levels of systems,
along the way. This document specifically
addresses BSC design.
Both Freescale’s C-3e™ network processor
and C-5e™ network processor are ideal for
Design Challenges
system architecture because nearly every
> IP: IPv4, IPv6, UDP, RTP, header
compression, L4 port classification
> T1/E1 framer connection, Ethernet,
OC-3/STM-1
hardware platform.
An example of a line card using a C-3e network
processor in a BSC is shown in the diagram
below. This example shows T1/E1 lines from a
WIRELESS BSC SOLUTION
The wireless infrastructure is rapidly trying
to adapt to a data-oriented world;
consequently, 2.5G/3G system design
embodies the following issues:
> Rapidly emerging standards
Basestation/
Node B
Basestation
Controller
Mobile
Switching
Center
Basestation/
Node B
combined with shortened
time-to-market requirements
> Terminating and converting
multiple protocols and interworking
To/From
Basestation
To/From Mobile
Switching Center
ET/T1 Framer
OC-3c PHY
ET/T1 Framer
OC-3c PHY
among protocols
> Large cost of deployment, driving
OC-3c
ATM/PoS
OC-3c PHY
ET/T1 Framer
CPO-3
QMU
CP8-11
CP12-15
CP4-7
C-3e™
NP
XP
TLU
BMU
SRAM
SDRAM
OC-3c PHY
strategies for risk abatement around
upgrades and extensions
> Need for common communications
technology at widely disparate
bandwidths (T1 to OC-48c)
> Difficulty of upgrading existing products
designed using application-specific
integrated circuits (ASICs) or
application-specific standard products
(ASSPs) with microprocessors (costly
and long development cycle)
ET/T1 Framer
AAL-2/
5 SAR
IP QoS
ATM TM
SRAM
MPC8280
Host CPU
PCI
Utopia
AAL-2
SCCS
SSSAR
BTS connecting to the C-3e network processor
infrastructure applications, Freescale is providing
significantly accelerates customer software
through the MPC8280. The C-3e network
a comprehensive set of reference software
development by providing extensive reference
processor line card then connects to a mobile
called the wireless network interface (WNI).
source code that is instrumented for and
switching center through OC-3c/STM-1.
This software provides full data plane support for
tested with the CST. WNI applications are
The only component that changes for different
network interface functions needed to implement
included in the CAL.
interface configurations would be the line
a 2.5G/3G wireless BTS/Node B and a
interface logic itself. For example, the C-3e
2.5G/3G wireless BSC/radio node controller
Functional and performance-accurate
network processor could also support uplinks
(RNC). WNI software also incorporates host
simulation environment, standard GNU-based
of Ethernet.
drivers, APIs (modeled after those under
compiler and debugger, GUI performance
development by the Network Processor Forum)
analysis tool, traffic scripting tools and
and control stack code to streamline data plane
comprehensive C-Ware APIs.
Eight of the C-3e network processor’s channel
processors (CPs) are available for implementing
more advanced networking functionality. In the
and control plane software integration.
> C-Ware Development System (CDS).
Compact PCI chassis with Freescale
example, they are performing AAL-2/AAL-5
Development Environment
segmentation and reassembly (SARing), as
The C-Port Family development environment
well as IP and ATM traffic management on traffic
consists of the following components:
moving upstream and downstream through
> C-Ware™ Applications Library (CAL).
the BSC.
> C-Ware Software Toolset (CST).
Comprehensive set of reference applications
To enable a dramatic jump start on software
for building networking systems based on
development for C-Port Family-based wireless
Freescale’s C-Port Family. The CAL
MPC750 host application module,
which can also include network processor
switch modules and various physical interface
modules (PIMs). Complete hardware
reference designs also available.
DEVELOPMENT TOOLS
Tool Type
Software Kit
Product Name
Vendor
Description
C-Ware™ Software Toolset
Freescale
Provides a comprehensive software development environment
(CST)
for building networking systems based on Freescale’s C-Port
network processor family. By providing a simple programming
model, standard tools, a robust simulation environment and
a host application environment, the CST can significantly
accelerate your software development effort.
Reference Applications
C-Ware Applications Library
Freescale
(CAL)
Offers a comprehensive set of reference applications for
building networking systems based on Freescale’s C-Port
network processor family. The CAL significantly accelerates
customer software development by providing extensive
reference source code that is instrumented for and tested
with the C-Ware Software Toolset.
Development Kit
C-Ware Development System
(CDS)
Freescale
Provides an environment for you to prototype an entire
product that leverages C-Port network processors.
This chassis-based system allows you to develop your unique
software and then integrate and test it in an actual hardware
environment, well before your target product is available.
THIRD-PARTY SUPPORT
Vendor
Description
Product Information
Corrent
For high-performance security processing
Tel: 1 (480) 648-2300
[email protected]
IDT
For advanced classification
Tel: 1 (613) 724-6004
Fax: 1 (613) 724-6008
Wind River Systems
For real-time operating system
Tel: 1 (800) 545-9463
Control plane software
Fax: 1 (510) 814-2010
Learn More: For more information about Freescale products, please visit www.freescale.com.
Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners.
© Freescale Semiconductor, Inc. 2004.
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