Implementation Overview: p S'5066 Edition 2 Prototype

Implementation Overview:
S’5066 Edition 2 Prototype
prepared by:
Donald G. Kallgren, Dr. Michael Street and Maarten Gerbrands
presented to:
the High Frequency Industry Association
19 July 2007
Rome, Italy

Agenda
• Implementation Overview
• hardware environment
• software environment
• Software Overview
• code structure and size
• availability
• capability/PICs
• Relation to other NC3A efforts
• SDR
• code repository
• VHF / UHF Waveform Development
• Summary
NC3A TNSRC / IPT6

“CORBA-ized” S’5066 Implementation
• modified earlier hfstack design and
implementation:
• separate SW modules for hfstack and
route56 synchronous serial interface
• synchronous serial interface further
abstracted as a CORBA resource in
accordance with SCA design principles
• CORBA interface specification
• abstract object-oriented oriented interface
applicable to any modem
• remains constant as modem
implementations ti change
• towards an SDR modem implementation
• initial designs encapsulate route56 driver
interface to external modem via
synchronous-serial serial port
• ultimately replaced by SDR modem
• operates as independent:
• HF modem server, registered with CORBA
name server
• HF statck, which checks CORBA registry
for available HF modem servers
NC3A TNSRC / IPT6

Hardware Packaging: as multi-band wireless router
Technical data
MPCX47
• MICROSPACE MPCX47 platform
CPU
Intel® Pentium® M 738, 1.4GHz
2nd Level Cache 2048kB 16 cm
Memory
1GB
Ext. temp. hard disk
40GB, 2.5" (max. 80GB)
6.6 cm
Optical drive
CD-RW/DVD-R drive
Video controller
Intel® 855GME
Video memory
64MB
30 cm
3D-Support DirectX 9
Video interface
1 QXGA; 2 DVI; 3 TV
Resolution
2048 x 1536 (@ 75Hz)
Keyboard, mouse
2x PS/2
Serial interface COM1 RS232C - Asynchronous
Serial interface COM2 RS232C - Asynchronous
Serial interface COM3 Embedded GPS Module interface
Serial interface COM4 Embedded GSM/GPRS Module interface
DB-25 Interface RS232 – Synchronous (Embedded
Sealevel Route56 PC104 Module)
USB V2.0
2x back, 2x front
Firewire IEEE1394
2x back, 1x front
NC3A TNSRC / IPT6
• Back View
LAN Port A (with LAN boot) 100/10Base-T (RJ45) Synch/Serial Interface to external HF Modem
Antenna Interfaces for embedded WiFi, GSM/GPRS, GPS

Synchronous Serial Interface Hardware
• Currently limited to modified ‘Route56’ driver for Z16C32 chipset
• Driver Modifications:
• implement BiSYNC protocol w/ 0x90EB sync word
• hardware-assisted assisted sync-word search
• Low-Profile PCI form factor • PC-104 form-factorfactor
• Sealevel Systems ACB-
• Sealevel Systems ACB-104-
Ultra.LPCI
Ultra
NC3A TNSRC / IPT6

Capabilities:
Implementation of key (but NOT all) ) S’5066E2 features
Annex
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
Short Title
SIS
CAS
DTS
COMM
CONTROL
CLIENT
HSMODEM
Capabilities / Comment
Soft-links only; multiple soft links; multi-client support
CAS-1 mode, with multiple physical link capability
Multiple ARQ engines (one per physical link); no adaptive data rate;
no piggy-backed DATA/ACK operation (i.e.., T2 DPDU defined, not used)
interface types: serial port (route56 dev) | URI = tcp://host:port | CORBA
No modem / radio control interface provided
E1A1-compliant Raw Socket interface; Etherclient (supporting IPv4/IPv6)
Supports High-Speed modem operation ( using ‘188-110B 110B or S’4539)
GUIDE interleaved client streams; configurable DPDU-payload sizing
i
FREQCHG
MAC
RA/CSMA
WTRP
ATDMA
ADDRESSING
IP_OPS
No capability for frequency change or ALE-control interface
Implements Abstract MAC-layer C++ object class; extensible per Annex J
Implemented without random backoff in a MAC-layer
layer-derived class
Implemented as a derived class from the Abstract MAC-layer, w/ token class
and WTRP state machine; token-relay is limited and buggy;
IP-interface
auto-configuration support is not implemented
No capability for adaptive TDMA; will require implementation of derived class
Node addresses are fully programmable and compliant
Stack & Etherclient compatible w/ static, OSFP, and OLSR routing
NC3A TNSRC / IPT6

Software Overview
• Total Redesign of earlier prototype-SW development for S’5066E2
• Linux 2.6 kernel, RedHat Fedora Core 6
• all POSIX / C++ STD implementation
• eliminates earlier prototype’s dependence on KDE/Qt libraries
• Modularized/Object-Oriented Oriented Code:
hfstack
Layer
Interface
SIS 1.5 0.8
CAS 1.4 2.0
DTS 3.2 4.2
MAC 4.6 46 03
0.3
sisetherclient
Total = ~ 2.2 KSLOC
COM 0.8 0.2
CORBA - 0.3
‘hfmodem’
(i.e., serial interface)
0.4
04 libnc3a
Total = < 20 KSLOC 11.9 7.8
Total = ~ 19 KSLOC
NC3A TNSRC / IPT6

Source-Code Availability
• software repository established:
• https://s5066.nc3a.nato.int/S5066loginreq/software/
• accessible to NATO/PfP/CFBLNet nations with account / password,
apply at: https://s5066.nc3a.nato.int/authrequest.php
• SRPMs available:
• hfstack, choose one of:
• hfstack-0.3.10-00.src.rpm00.src.rpm
470K
• hfstack-sdr-0.3.10-00.src.rpm00.src.rpm
470K
• serial-port driver:
• kernel-module-route56-0.1.3-9.src.rpm
30K
• libnc3a-0.5.01-00.src.rpm00.src.rpm
540K
• sisetherclient-0.2.10-00.src.rpm00.src.rpm
319K
• other (optional utilities)
• sisnetsim-0.4.00-0.src.rpm0.src.rpm
313K
• sispipe-0.1.19-15.src.rpm15.src.rpm
304K
• Licensing:
• GPL / LGPL for inherited Linux code
• BSD for NC3A-generated code
• additions/contributions/corrections to the code in the NC3A repository
are not required (but would be appreciated! by all!)
NC3A TNSRC / IPT6

Source-Code Browser
• Browse-able Code
• generated directly from the
code using ‘Doxygen’ tool
• code-changes changes directly
reflected in browser files
whenever the SW is re-built
• various reports available
• viewable source code
• inheritance and dependency
diagrams
• Class-, Function-, variable,
lists
• Class-overview w/
embeddable source code
and called-by/call-listslists
• browse-able code documentation at /docs/html/index.html
• documentation outputs controllable by modifying file /docs/doxygen/doxygen.conf
NC3A TNSRC / IPT6

Class Reference (1): e.g., DPDU Class
Inheritance and code structure
hyperlinked
file
reference
hyper-linked
inheritance
it
diagrams
expanded/interpreted code structure and
embedded programmer comments
documentation page includes
embedded d source code
NC3A TNSRC / IPT6

Relationship to other NC3A/NATO Developments
• support to SDR project
• GPP-based code of NATO
STANAGs
• development roadmap for HF /
VHF / UHF SDR software
• exploration of low-cost base
waveform implementations
• explore mechanics / legalisms
of a NATO sponsored code
repository
NC3A TNSRC / IPT6

NATO aims for SDR
• … as a development platform
• … to interoperate with legacy systems
• … to share waveforms and enable interoperability
NC3A TNSRC / IPT6

SDR … as a development platform
• New waveform for land tactical domain
• A new, efficient, sharable narrow band is being developed
• Current V/UHF waveforms are not “NNEC ready”
• Using work conducted by several nations
• SDR provides a fast, flexible development platform
• National work on layers 1, 2 and 4
• All developed in software
• Low-cost NC3A SDR platform to host national work
• Fill in gaps to produce a working waveform
• Resulting waveform / software can be shared
• With NATO / PfP
• Following o STANAG 5066 model for collaborative at development
e e • Improved dissemination and implementation
NC3A TNSRC / IPT6

NC3A development
• NC3A has established an SDR development system
• Host system for multi-national effort
• National developments offered to NATO
• NC3B request contributions to w/f development
• From active programmes to develop waveform
components which can be shared
• NC3A hosting first meeting in early July for nations
• Coordination of SDR development
• Multiple nations involved
• RTO provides a useful forum for technical cooperation
• NC3A support to SDR UG provides coordination
NC3A TNSRC / IPT6

SDR …to interoperate with legacy
• SDR is the choice for many national procurements
• Current and future
• Software definitions of legacy waveforms
• will provide backward compatibility
• can be shared easily
• ACT funded EPOW at NC3A
• Coordination with SDRUG via NC3A support to NC3B
NC3A TNSRC / IPT6

NC3A and existing radio standards
• SCA based version of STANAG 5066
• Based on SCA* standard d for SDR
• Easily ported to SCA compliant platforms
• (and most platforms are SCA based)
• Tested on-air during STANAG 5066 trials at Combined Endeavor
• Software has no IPR or security restrictions
• RF data acquisition during Combined Endeavor
• Software modules developed for RF receive
• Real RF signals available in the lab for development and test
• Developing SCA-based versions of
• US Mil-Std 188-141A 141A for 2 nd generation ALE
• STANAG 4539 – in conjunction with CRC
• STANAG 4205c – UHF
• (RTO developing SCA-based STANAG 4285)
* SCA – Software Communications NC3A TNSRC / IPT6 Architecture
Software Communications Architecture

NC3A and software / waveform sharing
• Waveform / software definition sharing
• Benefits from a standard format
• Eases porting
• SCA the likely candidate
• But SCA does not address all aspects
• Security still needs much work
• Technical work needed d to address multi-national l issues
• Waveform sharing mechanisms
• Address technical aspects of NC3B business model
• Lessons learned from NC3A SDR testbed and multi-
national waveform development work
• NC3A updates to SDRUG
NC3A TNSRC / IPT6

Activities for RTO
• Multi-national technical work needed on SCA
• Address issues arising for non-US work e.g. security
• Single-nation nation issues fixed e.g. JTRS
• RTO planned activities will identify (and solve )
issues
• Technicalities of software sharing
• Multi-national SDR collaboration via RTO can provide
benefits for operational sharing / interoperability
• Building a waveform library
• NC3A work on legacy standards in SCA form
• RTO plans will add to the library content
NC3A TNSRC / IPT6

SDR Testbed
• Low-cost / low-profile approach to testbed
• GNU-Radio GPP DSP implementations
• http://gnuradio.org/trac
org/trac
• Universal Software Radio Peripheral (USRP)
• http://www.ettus.com/downloads/ettus_broch_trifold_v3b.pdf
• USRP Motherboard
• Four 64 MS/s 12-bit A/D Converters
• Four 128 MS/s 14-bit D/A Converters
• Four programmable digital downconverters
• Two programmable digital upconverters
• High-speed USB 2.0 interface (480 Mb/s)
• Signal processing capability to 16 MHz wide
• Daughterboards:
• spectral coverage from
DC to 2.9 GHz
NC3A TNSRC / IPT6

SDR Issues under consideration
•relevance of GNU-Radio to SCA and vice versa
•GNU-radio based on:
•Python scripts as specification of the
•does implementation of a ‘Base Waveform’
specification (i.e., a functional exemplar of a waveform)
for SDR even require a standard:
•may
be non-real-time
•must
t be open source
•presumed to provide unambiguous specification, design,
and guidance to Target Waveform implementers
•it’s Target Waveforms that require SDR-code portability!
NC3A TNSRC / IPT6

Summary
• NC3A – developed S’5055E2 prototype SW code
is available for download, d review, comment, use
• software repository established:
• https://s5066.nc3a.nato.int/S5066loginreq/software/
nato • accessible to NATO/PfP/CFBLNet nations with account / password,
apply at: https://s5066.nc3a.nato.int/authrequest.php
• Initial entires in NC3A SDR software repository
• provides initial support/exploration-of-use for SDR
SCA
• to be expanded to support NATO efforts in
developing a VHF/UHF STANAG
NC3A TNSRC / IPT6