space telecommunications radio architecture (strs

42
Space Telecommunications Radio Architecture (STRS) Technical Overview IDGA 4 th Software Defined Radio Conference February 2006

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Page 1: Space Telecommunications Radio Architecture (STRS

Spac

e Te

leco

mm

unic

atio

ns R

adio

Arc

hite

ctur

e (S

TRS)

Tech

nica

l Ove

rvie

w

IDG

A 4

thSo

ftwar

e D

efin

ed R

adio

Con

fere

nce

Febr

uary

200

6

Page 2: Space Telecommunications Radio Architecture (STRS

2ID

GA

SD

R C

onfe

renc

e Fe

brua

ry 2

006

Abs

trac

t

A s

oftw

are

defin

ed ra

dio

(SD

R) a

rchi

tect

ure

used

in s

pace

-bas

ed p

latfo

rms

prop

oses

to

sta

ndar

dize

cer

tain

asp

ects

of r

adio

dev

elop

men

t suc

h as

inte

rface

def

initi

ons,

fu

nctio

nal c

ontro

l and

exe

cutio

n, a

nd a

pplic

atio

n so

ftwar

e an

d fir

mw

are

deve

lopm

ent.

NA

SA

has

cha

rted

a te

am to

dev

elop

an

open

sof

twar

e de

fined

radi

o ha

rdw

are

and

softw

are

arch

itect

ure

to s

uppo

rt N

AS

A m

issi

ons

and

dete

rmin

e th

e vi

abili

ty o

f an

Age

ncy-

wid

e S

tand

ard.

A d

raft

conc

ept o

f the

pro

pose

d st

anda

rd h

as

been

rele

ased

and

dis

cuss

ed a

mon

g or

gani

zatio

ns in

the

SD

R c

omm

unity

. A

ppro

pria

te le

vera

ging

of t

he J

TRS

SC

A, O

MG

’sS

WR

adio

Arc

hite

ctur

e an

d ot

her

aspe

cts

are

cons

ider

ed.

A

sta

ndar

d ra

dio

arch

itect

ure

offe

rs p

oten

tial v

alue

by

empl

oyin

g co

mm

on w

avef

orm

so

ftwar

e in

stan

tiatio

n, o

pera

tion,

test

ing

and

softw

are

mai

nten

ance

. Whi

le s

oftw

are

defin

ed ra

dios

offe

r gre

ater

flex

ibilit

y, th

ey a

lso

pose

s ch

alle

nges

to th

e ra

dio

deve

lopm

ent f

or th

e sp

ace

envi

ronm

ent i

n te

rms

of s

ize,

mas

s an

dpo

wer

co

nsum

ptio

n an

d av

aila

ble

tech

nolo

gy.

An

SD

R a

rchi

tect

ure

for s

pace

mus

t re

cogn

ize

and

addr

ess

the

cons

train

ts o

f spa

ce fl

ight

har

dwar

e, a

nd s

yste

ms

alon

g w

ith fl

ight

her

itage

and

cul

ture

.N

AS

A is

act

ivel

y pa

rtici

patin

g in

the

deve

lopm

ent o

f tec

hnol

ogy

and

stan

dard

s re

late

d to

sof

twar

e de

fined

radi

os.

As

NA

SA

con

side

rs a

sta

ndar

d ra

dio

arch

itect

ure

for

spac

e co

mm

unic

atio

ns, i

nput

and

coo

rdin

atio

n fro

m g

over

nmen

t age

ncie

s, th

e in

dust

ry, a

cade

mia

, and

sta

ndar

ds b

odie

s is

key

to a

suc

cess

ful a

rchi

tect

ure.

The

un

ique

asp

ects

of s

pace

requ

ire th

orou

gh in

vest

igat

ion

of re

leva

nt te

rres

trial

te

chno

logi

es p

rope

rly a

dapt

ed to

spa

ce. T

he ta

lk w

ill d

escr

ibe

NA

SA

’s c

urre

nt e

ffort

to in

vest

igat

e S

DR

app

licat

ions

to s

pace

mis

sion

s an

d a

brie

f ove

rvie

w o

f a

cand

idat

e ar

chite

ctur

e un

der c

onsi

dera

tion

for s

pace

bas

ed p

latfo

rms.

FY

I Onl

y: n

ot p

art o

f act

ual p

rese

ntat

ion

Page 3: Space Telecommunications Radio Architecture (STRS

3ID

GA

SD

R C

onfe

renc

e Fe

brua

ry 2

006

Spac

e Te

leco

mm

unic

atio

ns R

adio

Sys

tem

Goa

l•

Impr

ove

capa

bilit

y of

dev

elop

ing

and

oper

atin

g N

AS

A’s

spa

ce a

nd

grou

nd tr

ansc

eive

r com

mun

icat

ion

asse

ts

Obj

ectiv

es•

Sys

tem

atic

app

roac

h to

ana

lyze

NA

SA

com

mun

icat

ion

requ

irem

ents

to

appl

y an

d ev

alua

te o

pen

arch

itect

ure

stan

dard

s, c

once

pts,

and

radi

o te

chno

logi

es fo

r spa

ce•

Dev

elop

a tr

ansc

eive

r sys

tem

ope

n ar

chite

ctur

e fo

r spa

ce a

nd g

roun

d co

mm

unic

atio

ns•

Leve

rage

the

DoD

’sin

vest

men

t in

softw

are

defin

ed ra

dio

tech

nolo

gy

and

softw

are

com

mun

icat

ions

arc

hite

ctur

e as

app

ropr

iate

Page 4: Space Telecommunications Radio Architecture (STRS

4ID

GA

SD

R C

onfe

renc

e Fe

brua

ry 2

006

STRS

, Why

now

?

Tech

nolo

gy a

dvan

cem

ents

in s

igna

l pr

oces

sing

har

dwar

e m

ake

it po

ssib

le fo

r sp

ace

base

d re

conf

igur

able

pla

tform

s

Tech

nolo

gy a

llow

s us

e of

mor

e so

ftwar

e in

tens

ive

syst

ems

for c

omm

unic

atio

n an

d na

viga

tion

func

tions

.

Sta

ndar

d ar

chite

ctur

es fo

r SD

R e

mer

ging

JTR

S, O

MG

, SD

R F

orum

, etc

….

SD

R’s

bein

g us

ed in

mis

sion

s an

d te

chno

logy

de

mos

(e.g

. MR

O, S

TS-1

07) w

ithou

t ben

efit

of c

omm

onal

ity o

r lev

erag

e fro

m o

ne

deve

lopm

ent t

o an

othe

r

Arc

hite

ctur

e se

rves

as

a fra

mew

ork

for

com

mon

ality

/inte

rope

rabi

lity

amon

g su

pplie

rs

to g

et A

genc

y w

ide

bene

fit a

mon

g fu

ture

radi

o de

velo

pmen

ts

SD

R’s

offe

r opp

ortu

nity

to re

duce

life

cyc

le

cost

s th

roug

h so

ftwar

e an

d fir

mw

are

upda

tes

as o

ppos

ed to

har

dwar

e fix

es d

ue to

pr

oble

ms

or re

quire

men

t cre

ep.

Sign

al P

roce

ssin

g A

dvan

cem

ents

Softw

are/

Firm

war

e

Emer

ging

Ope

n A

rchi

tect

ures

New

Rad

io T

echn

olog

y

Com

mon

ality

/Te

chno

logy

Inse

rtion

Ada

ptab

le O

pera

tions

, Fau

lt R

ecov

ery,

Fle

xibi

lity

Page 5: Space Telecommunications Radio Architecture (STRS

5ID

GA

SD

R C

onfe

renc

e Fe

brua

ry 2

006

Rece

nt S

DR

Act

iviti

es W

ithin

NA

SA

•C

ham

p, G

race

, Jas

on–

Blac

kjac

k –

L-ba

nd R

ecei

vers

–R

econ

figur

abel

/Rep

rogr

amm

able

–W

avef

orm

s•

GP

S

•S

TS-1

07, C

AN

DO

S E

xper

imen

t–

Low

Pow

er T

rans

ceiv

er–

S-b

and

Tran

scei

ver,

L-ba

nd R

ecei

ver

–R

econ

figur

abel

/Rep

rogr

amm

able

–W

avef

orm

s•

TDR

SS

sing

le a

cces

s an

d m

ultip

le

acce

ss•

GP

S

•M

ars

Rec

onna

issa

nce

Orb

iter

–El

ectra

Rad

io–

UH

F Tr

ansc

eive

r–

Rec

onfig

urab

le/R

epro

gram

mab

le–

Wav

efor

ms

•Pr

oxim

ity-1

pro

toco

l

Page 6: Space Telecommunications Radio Architecture (STRS

6ID

GA

SD

R C

onfe

renc

e Fe

brua

ry 2

006

STRS

Con

text

Dia

gram

•G

roun

d co

ntro

ls

spac

ecra

ft as

sets

•Fl

ight

com

pute

r–

Com

man

ds–

Tele

met

ry•

STR

S R

adio

con

sist

s of

: –W

avef

orm

s–

App

licat

ions

–S

ervi

ces

•W

F In

stan

tiatio

n•

Com

mun

icat

ions

•P

aylo

ad p

rovi

des

data

to

STR

S R

adio

Page 7: Space Telecommunications Radio Architecture (STRS

7ID

GA

SD

R C

onfe

renc

e Fe

brua

ry 2

006

Exte

rnal

Rad

io E

quip

men

t

text

Gen

eral

Pur

pose

P

roce

ssor

DSP

FPG

A

Sign

al P

roce

ssin

g M

odul

e (S

PM)

RA

M

EEP

RO

M

ASIC

FPG

A

SPM

In

terfa

ce

SPM

Inte

rface

RFM

IFE

xt IF

SPM

IF

GP

M IF

RFM

In

terfa

ce

Tune

r/Fre

quen

cyC

ontro

l

RF

Mod

ule

(RFM

)

Upc

onve

rter/

Dow

ncon

verte

rG

ener

al P

roce

ssin

g M

odul

e (G

PM)

text

Gen

eral

Pur

pose

P

roce

ssor

RA

M

EE

PR

OM

PR

OM

Mem

ory

(SR

AM

, SD

RA

M)

Ope

ratin

g E

nviro

nmen

t

Wav

efor

m

HALAPI

AD

CD

AC

Net

wor

k In

terfa

ce

Bus

Inte

rface

text

Wav

efor

m

text

Wav

efor

m

text

Wav

efor

m

Ant

enna

Flig

ht

Com

pute

r(C

&D

H)

HD

R

Sou

rce/

Sin

k

Inte

rfac

e D

escr

iptio

ns F

unct

iona

l Dia

gram

Mod

ule

Inte

rfac

es a

bstra

ct a

nd d

efin

e th

e m

odul

e fu

nctio

nalit

y fo

r da

ta fl

ow to

wav

efor

m c

ompo

nent

s. En

able

s mul

tiple

ven

dors

to

prov

ide

diff

eren

t mod

ules

or a

dd m

odul

es to

exi

stin

g ra

dios

.El

ectri

cal i

nter

face

s, co

nnec

tor r

equi

rem

ents

, and

phy

sica

l re

quire

men

ts a

re sp

ecifi

ed b

y th

e pl

atfo

rm p

rovi

der.

Softw

are

Abs

tract

ion:

Lay

ers d

efin

e in

terf

aces

bet

wee

n co

mpo

nent

s, se

para

ting

SW fr

om S

W a

nd S

W fr

om H

W.

API

s sep

arat

e w

avef

orm

from

ope

ratin

g en

viro

nmen

t –en

ablin

g w

avef

orm

por

tabi

lity.

HA

L A

PI is

pub

lishe

d so

that

spec

ializ

ed H

W d

evel

oped

by

mul

tiple

ven

dors

can

be

inte

grat

ed w

ith a

noth

er v

endo

r’s S

TRS

infr

astru

ctur

e.

Page 8: Space Telecommunications Radio Architecture (STRS

8ID

GA

SD

R C

onfe

renc

e Fe

brua

ry 2

006ST

RS S

oftw

are

Stru

ctur

e

•W

avef

orm

App

licat

ions

–U

ses

PO

SIX

AP

Is to

acc

ess

RTO

S–

Use

s S

TRS

AP

Is to

acc

ess

STR

S in

frast

ruct

ure

•H

igh

Leve

l Ser

vice

s–

Con

trol w

avef

orm

–M

onito

r wav

efor

m (Q

oS)

•ST

RS

Infr

astr

uctu

re–

Syst

em m

anag

emen

t–

Dev

ice

cont

rol

–D

ata

trans

fer

•R

TOS

–R

eal-T

ime

Ope

ratin

g–

Syst

em im

plem

entin

g a

subs

et o

f PO

SIX

•B

SP

–H

ardw

are

Abs

tract

ion

Laye

r (H

AL)

–D

river

s–

Har

dwar

e In

terfa

ce (H

ID)

•H

W

–H

ardw

are

com

mun

icat

ions

equ

ipm

ent

(e.g

. FP

GA

, DS

P, A

to D

, and

D to

A)

–H

ardw

are

Inte

rface

Def

initi

on

The

abov

e di

agra

m s

how

s re

latio

nshi

p of

th

e va

rious

sof

twar

e la

yers

.

Page 9: Space Telecommunications Radio Architecture (STRS

9ID

GA

SD

R C

onfe

renc

e Fe

brua

ry 2

006

STRS

API

Ove

rvie

w

STR

S A

PI C

ateg

orie

s•

Syst

em M

anag

emen

t–

AP

I pro

vide

s th

e fu

nctio

nalit

y to

con

trol a

nd o

pera

te w

avef

orm

s–

This

incl

udes

AP

Is th

at m

ust b

e su

pplie

d by

the

cust

omer

’s w

avef

orm

and

ser

vice

s, s

uppl

ied

by

the

arch

itect

ure

to th

e w

avef

orm

and

ser

vice

s, a

nd th

e op

erat

ing

serv

ices

Inte

r-pr

oces

s C

omm

unic

atio

ns

–Al

low

s ap

plic

atio

ns to

com

mun

icat

e vi

a m

essa

ges

betw

een

one

anot

her

–As

the

abili

ty fo

r wav

efor

ms

to c

omm

unic

ate

with

oth

er S

TRS

app

licat

ions

is c

ruci

al fo

r the

op

erat

ion

of ra

dio

serv

ices

, STR

S s

peci

fical

ly d

efin

es th

e A

PI

•D

evic

e C

ontro

l–

Inte

rface

s be

twee

n th

e w

avef

orm

and

the

endp

oint

com

mun

icat

ion

algo

rithm

blo

ck.

–Se

t of s

ervi

ce fu

nctio

ns to

pro

vide

bas

ic in

terfa

ce s

ervi

ces

to th

e de

vice

s vi

a th

e H

AL

driv

ers

•C

ontro

l and

Tel

emet

ry–

A se

t of c

omm

on ra

dio

serv

ices

that

pro

vide

a c

onsi

sten

t set

of c

omm

and

and

cont

rol i

nter

face

to

syst

em d

esig

ners

(Int

erfa

ces

are

the

exte

rnal

ly a

cces

sibl

e in

terfa

ces)

–D

ata

capa

city

and

tele

met

ry d

ata

form

at p

rovi

ded

by a

STR

S P

latfo

rm

POSI

X Su

bset

•U

sed

for C

/C++

lang

uage

sup

port

for m

athe

mat

ical

com

puta

tion,

stri

ng a

nd c

hara

cter

ha

ndlin

g, I/

O, a

nd th

read

s•

Det

erm

inin

g ap

prop

riate

sub

set o

f PO

SIX

AP

Is fo

r STR

S

Page 10: Space Telecommunications Radio Architecture (STRS

10ID

GA

SD

R C

onfe

renc

e Fe

brua

ry 2

006

Cha

lleng

es to

Com

mon

Rad

io S

tand

ard

•A

rchi

tect

ure

Dev

elop

men

t–

Def

initi

on (o

pen/

clos

ed)

–C

onse

nsus

–R

efer

ence

Impl

emen

tatio

n

•O

pera

tions

Req

uire

men

ts–

Rel

iabl

e S

oftw

are

–R

adia

tion

Envi

ronm

ent

–R

isk

•C

ompo

nent

Tec

hnol

ogy

–FP

GA

–M

emor

y–

A/D

Con

verte

rs

•C

ompl

ianc

e V

erifi

catio

ns–

Sof

twar

e Li

brar

y–

Tool

s an

d D

evel

opm

ent K

its

•M

anag

emen

t–

Spa

ce ra

dio

mar

ket

–B

usin

ess

case

ana

lysi

s

Page 11: Space Telecommunications Radio Architecture (STRS

11ID

GA

SD

R C

onfe

renc

e Fe

brua

ry 2

006

Cal

l for

Indu

stry

Par

ticip

atio

n an

d Re

view

Opp

ortu

nity

•C

omm

ents

on

STR

S a

rchi

tect

ure

stan

dard

–Ar

chite

ctur

e D

escr

iptio

n D

ocum

ents

and

hig

h le

vel F

unct

iona

l Req

uire

men

ts (o

ther

doc

umen

t (e.

g.

Use

Cas

es, R

equi

rem

ents

, STR

S S

peci

ficat

ion)

to fo

llow

late

r in

‘06/

’07)

–Pr

ovid

e w

ritte

n co

mm

ents

thro

ugh

RFI

and

SD

R F

orum

•P

rovi

de in

divi

dual

feed

back

thro

ugh

RFI

–ht

tp://

ww

w.g

rc.n

asa.

gov/

WW

W/P

rocu

re/h

ome.

htm

–R

espo

nses

due

to G

RC

by

Mar

ch 1

5th ,

2006

–Pa

rtici

pate

in S

DR

For

um S

pace

App

licat

ions

Wor

k G

roup

Rev

iew

–M

eetin

g in

Apr

il, 2

006

•Ty

pica

l que

stio

ns o

r con

side

ratio

ns–

Com

men

ts o

n ar

chite

ctur

e an

d ap

proa

ch (t

oo m

uch,

too

little

-w

hat’s

mis

sing

?)

–Fe

asib

ility

of p

rodu

cing

arc

hite

ctur

e co

mpl

iant

radi

os–

Indu

stry

sol

utio

ns to

hw

and

sw

inte

rfac

es to

incl

ude

in th

e ST

RS

stan

dard

•A

PI’s

or s

tand

ard

hard

war

e in

terf

aces

(HID

) use

d th

at s

houl

d be

com

e st

anda

rd fo

r NA

SA ra

dios

–R

ecom

men

datio

ns o

n st

anda

rds

for s

oftw

are/

firm

war

e de

velo

pmen

t for

spa

ce–

Cos

t to

impl

emen

t arc

hite

ctur

e•

Both

from

a p

erfo

rman

ce (e

.g. a

rchi

tect

ure

over

head

) and

a fi

nanc

ial (

e.g.

est

imat

ed N

RE

and

recu

rrin

g co

sts)

pe

rspe

ctiv

e–

Exam

ples

of s

tatis

tics

or m

etric

s w

hen

usin

g SC

A (m

agni

tude

of t

he s

avin

gs)

–Av

aila

ble

tool

s to

mod

el a

nd c

hara

cter

ize

arch

itect

ure

•R

esou

rces

(e.g

. pow

er c

onsu

mpt

ion,

per

form

ance

, lat

ency

, cos

t)–

Life

cyc

le/b

usin

ess

case

adv

anta

ges/

disa

dvan

tage

s of

ope

n ar

chite

ctur

e (d

evel

opm

ent,

oper

atio

ns, m

aint

enan

ce)

–In

dust

ry’s

role

in fu

ture

dev

elop

men

t act

iviti

es

Page 12: Space Telecommunications Radio Architecture (STRS

12ID

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SD

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006

Phas

e I

STRS

Arc

hite

ctur

e Re

view

and

Upd

ate

Plan

•In

trodu

ce S

TRS

Arc

hite

ctur

e –

Rel

ease

d S

TRS

Arc

hite

ctur

e D

escr

iptio

n D

ocum

ent v

ia R

eque

st fo

r Inf

orm

atio

n/C

omm

ents

(RFI

•(h

ttp://

ww

w.g

rc.n

asa.

gov/

WW

W/P

rocu

re/h

ome.

htm

)–

Softw

are

Def

ined

Rad

io F

orum

, Jan

uary

200

6–

IDG

A S

oftw

are

Rad

io C

onfe

renc

e, F

ebru

ary

2006

–IE

EE

/AIA

A A

eros

pace

Con

fere

nce,

Big

Sky

(Spa

ce E

xplo

ratio

n C

omm

unic

atio

ns a

nd N

avig

atio

n P

anel

) M

arch

200

6

•S

olic

it co

mm

ents

from

indi

vidu

al c

ompa

nies

thro

ugh

RFI

–In

divi

dual

writ

ten

resp

onse

by

Mar

ch 1

5th ,

2006

–S

DR

For

um re

spon

se b

y ~

Apr

il 30

th, 2

006

(Coo

rdin

ated

by

Kar

en P

erry

/Pris

m T

echn

olog

y C

orp.

)•

SDR

For

um, S

pace

App

licat

ions

Stu

dy G

roup

Mee

ting

on A

pril

10-1

3, 2

006

•U

pdat

e ST

RS

Arch

itect

ure

by M

ay 2

006

base

d up

on:

–C

omm

ents

from

indu

stry

–N

AS

A in

tern

al re

view

s–

Com

plet

ion

of v

ario

us tr

ade

stud

ies

•D

eter

min

e A

rchi

tect

ure

Sta

ndar

d R

ecom

men

datio

n

•D

evel

op re

fere

nce

impl

emen

tatio

ns b

ased

upo

n ar

chite

ctur

e –

Cha

ract

eriz

e ar

chite

ctur

e by

thro

ugh

refe

renc

e im

plem

enta

tions

of k

ey h

w &

sw

aspe

cts

–U

pdat

e ar

chite

ctur

e ba

sed

upon

impl

emen

tatio

n fin

ding

s–

Dev

elop

pro

toty

pes

base

d up

on re

fined

arc

hite

ctur

e

Page 13: Space Telecommunications Radio Architecture (STRS

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STRS

Arc

hite

ctur

e N

otio

nal D

evel

opm

ent P

roce

ss

Page 14: Space Telecommunications Radio Architecture (STRS

14ID

GA

SD

R C

onfe

renc

e Fe

brua

ry 2

006JTRS

/SC

A A

pplic

abili

ty

•Le

vera

ge J

TRS

/SC

A–

Mos

t JTR

S p

rogr

am g

oals

app

licab

le o

r sim

ilar t

o N

AS

A’s

•P

hilo

soph

y si

mila

r to

NAS

A ap

proa

ch (e

.g. o

pen

arch

itect

ure,

indu

stry

pa

rtici

patio

n, te

chno

logy

inse

rtion

, net

wor

king

, sof

twar

e re

use,

porta

bilit

y)–

Alte

rnat

ive

to N

AS

A d

evel

opin

g a

uniq

ue S

DR

sta

ndar

d•

Nee

d to

def

ine

NA

SA

’s ro

le in

arc

hite

ctur

e st

anda

rd’s

bod

ies

–N

etw

orki

ng a

nd s

ecur

ity a

re in

tegr

al to

JTR

S d

esig

n, a

lthou

gh le

vel o

f se

curit

y m

ay e

xcee

d N

AS

A’s

sec

urity

requ

irem

ents

(TB

D)

–C

an u

se p

revi

ous

clus

ter e

xper

ienc

e fo

r wav

efor

m d

efin

ition

and

de

velo

pmen

t–

Res

ourc

e (e

.g. m

emor

y) c

onsu

mpt

ion

and

com

plex

ity o

f SC

A e

xcee

dsty

pica

l spa

cecr

aft c

omm

unic

atio

n re

sour

ces.

•S

tatu

s of

Spa

ce A

pplic

atio

n–

NA

SA

and

JTR

S h

ave

MO

U to

mai

ntai

n co

llabo

rativ

e pa

rtner

ship

–S

CA

is b

eing

use

d fo

r SA

TCO

M a

ppls

(i.e.

wid

eban

d gr

ound

bas

ed ra

dios

)–

Opt

imiz

ed S

CA

impl

emen

tatio

ns m

ay a

pply

to s

pace

-bas

ed ra

dios

Page 15: Space Telecommunications Radio Architecture (STRS

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R C

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Back

up

Page 16: Space Telecommunications Radio Architecture (STRS

16ID

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SD

R C

onfe

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e Fe

brua

ry 2

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NA

SA A

rchi

tect

ure

Dev

elop

men

t App

roac

h

•A

ssem

ble

expe

rts fr

om d

iffer

ent C

ente

rs to

ach

ieve

a N

AS

A S

DR

arc

hite

ctur

e st

anda

rd

•Le

vera

ge p

revi

ous

and

ongo

ing

SD

R w

ork

from

eac

h pa

rtici

patin

g C

ente

r–

Arc

hite

ctur

e D

efin

ition

–M

issi

on A

pplic

atio

ns–

Arc

hite

ctur

e an

d R

adio

Tec

hnol

ogy

Dev

elop

men

ts–

Flig

ht R

adio

Dev

elop

men

ts

•Id

entif

y ap

plic

atio

ns o

f SD

R te

chno

logy

acr

oss

NA

SA

mis

sion

s

•D

evel

op a

n op

en S

DR

HW

& S

W a

rchi

tect

ure

and

reco

mm

enda

tion

for t

he

Spa

ce C

omm

unic

atio

ns A

rchi

tect

ure

Wor

king

Gro

up (S

CA

WG

) by

May

06

–N

AS

A’s

new

Spa

ce C

omm

unic

atio

ns a

nd N

avig

atio

n A

rchi

tect

ure

enab

ling

NA

SA

’s

Exp

lora

tion

and

Sci

ence

pro

gram

s w

ith o

pera

tiona

l flig

ht d

ates

from

201

2-20

30–

Sup

ports

the

SC

AW

G 5

-yea

r inc

rem

enta

l com

mun

icat

ions

arc

hite

ctur

es

•D

eter

min

e th

e vi

abili

ty o

f an

Age

ncy-

wid

e S

DR

sta

ndar

d

Page 17: Space Telecommunications Radio Architecture (STRS

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Ass

umpt

ions

and

Que

stio

ns

ASS

UM

PTIO

NS

•Fu

ture

radi

os w

ill e

mpl

oy m

ore

adva

nced

reco

nfig

urab

le h

ardw

are

•V

endo

r uni

que

SD

Rs

prev

ent/h

inde

r th

e sh

arin

g of

sof

twar

e ac

ross

pl

atfo

rms

or p

ose

high

por

ting

cost

–W

avef

orm

typi

cally

tied

to p

latfo

rm

•S

tand

ardi

zed

arch

itect

ure

is a

pplic

able

to

SD

R’s

amon

g m

ost m

issi

ons

•A

rchi

tect

ure

shou

ld n

ot s

peci

fy

impl

emen

tatio

n de

tails

limit

inno

vativ

e de

sign

and

tech

infu

sion

•Th

e S

AT

arch

itect

ure

fram

ewor

k w

ill

be e

volv

able

and

ada

ptab

le.

KEY

QU

ESTI

ON

S•

Wha

t typ

e of

mis

sion

s w

ill b

enef

it m

ost?

•H

o do

we

appl

y le

sson

s le

arne

d fo

rm

othe

r effo

rts?

•Is

an

arch

itect

ure

cost

effe

ctiv

e fo

r th

e nu

mbe

r of m

issi

ons

usin

g S

DR

s?

•S

houl

d N

AS

A m

aint

ain

its o

wn

arch

itect

ure

defin

ition

, or a

lign

with

a

larg

er u

ser b

ase?

•H

ow m

uch

proc

essi

ng o

verh

ead

is

acce

ptab

le to

ben

efit

from

an

open

ar

chite

ctur

e?

•H

ow d

oes

wav

efor

m p

roce

ssin

g in

an

SD

R a

ffect

the

arch

itect

ure?

Page 18: Space Telecommunications Radio Architecture (STRS

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STRS

Lay

ered

Sof

twar

e M

odel

•W

avef

orm

App

licat

ions

–U

ses

PO

SIX

AP

Is to

acc

ess

RTO

S–

Use

s S

TRS

AP

Is to

acc

ess

STR

S

infra

stru

ctur

e •

Hig

h Le

vel S

ervi

ces

–C

ontro

l wav

efor

m–

Mon

itor w

avef

orm

(QoS

)•

STR

S In

fras

truc

ture

–Sy

stem

man

agem

ent

–D

evic

e co

ntro

l–

Dat

a tra

nsfe

r•

RTO

S–

Rea

l-Tim

e O

pera

ting

–Sy

stem

impl

emen

ting

a su

bset

of P

OS

IX

•B

SP (B

oard

Sup

port

Pac

kage

)–

Har

dwar

e A

bstra

ctio

n La

yer (

HA

L)

–D

river

s–

Har

dwar

e In

terfa

ce (H

ID)

•H

W

–H

ardw

are

com

mun

icat

ions

equ

ipm

ent

(e.g

. FP

GA,

DS

P, A

to D

, and

D to

A)

Har

dwar

e P

latfo

rm

Boa

rd S

uppo

rt P

acka

ge/D

evic

e D

river

sO

E A

bstra

ctio

n (H

AL)

Net

wor

k S

tack

RTO

SIn

frast

ruct

ure

Rad

io

Ser

vice

s

Sta

ndar

d P

rogr

amm

ing

Inte

rface

s

Wav

efor

ms

App

licat

ions

Thi

s dia

gram

illu

stra

tes t

he la

yere

d pr

ogra

mm

ing

appr

oach

to S

TR

S. S

oftw

are

is e

xten

sibl

e th

roug

h la

yere

d pr

ogra

mm

ing

to p

rovi

de a

n ab

stra

cted

use

r in

terf

ace

and

deve

lopm

ent e

nvir

onm

ent.

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Arc

hite

ctur

e Sp

ecifi

catio

n

Rec

onfig

urab

le-P

re la

unce

-Pos

t Lau

nch

-Con

tigen

cy

HW

and

SW

R

epos

itory

Indu

stry

an

d D

oD

Sta

ndar

ds

Gol

d S

tand

ard

Com

plia

nce

Test

ing

Func

tions

-Net

wor

king

-Nav

igat

ion

-Sec

utiry

Wav

efor

mD

evel

opm

ent

Sta

ndar

dFa

ult M

itiga

tion

Tech

niqu

es

Ope

ratio

ns-A

uton

omy

-Rel

iabi

lity

Arc

hite

ctur

e V

erifi

catio

n

Qua

lific

atio

n Te

stin

g

Mis

sion

Cla

sses

-NAS

A M

arke

t

Perfo

rman

ce

Test

ing

Engi

neer

ing

Des

ign

and

Reu

se

Mod

el B

ased

D

esig

n

Adap

t to

sign

al

proc

essi

ng

tech

nolo

gy

adva

ncem

ents

Asp

ects

of S

DR

and

Arc

hite

ctur

es

How

the

piec

es fi

t…

Toda

y’s E

mer

ging

Rad

ios

Com

mon

, Ope

n A

rchi

tect

ure

•“S

DR

”mea

ns m

ore

than

just

“re

conf

igur

able

•To

day’

s ra

dio

tech

nolo

gy o

ffers

new

de

velo

pmen

t and

ope

ratio

nal p

arad

igm

s–

Upg

rada

ble

–Fl

exib

le–

Indu

stry

tren

ds to

SW

bas

ed s

yste

ms

•A

rchi

tect

ure

adds

fram

ewor

k to

re

conf

igur

able

(SD

R) t

rans

ceiv

er

tech

nolo

gy–

Mul

ti-ve

ndor

par

ticip

atio

n–

Com

mon

Inte

rface

s–

Tech

nolo

gy In

serti

on–

Com

mon

Spe

cific

atio

n–

Reu

se–

Sof

twar

e ve

rific

atio

n -D

evel

opin

g a

qual

ifica

tion

appr

oach

sui

tabl

e fo

r m

issi

ons

Page 20: Space Telecommunications Radio Architecture (STRS

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SAT

Ove

rvie

w

Page 21: Space Telecommunications Radio Architecture (STRS

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App

lyin

g SD

R an

d St

anda

rd A

rchi

tect

ures

to N

ASA

•SD

R’s

will

prov

ide

mor

e m

issi

on

flexi

bilit

y•

Spa

ce q

ualif

icat

ion

of

softw

are/

firm

war

e in

tens

ive

syst

ems

may

add

cos

ts to

m

issi

ons

•Si

mpl

ify n

ew m

issi

on

adop

tion

by re

use

of

stan

dard

hw

and

sw

com

pone

nts

•N

eed

to v

erify

on-

orbi

t sof

twar

e re

conf

igur

atio

ns

(ris

k)

•P

oten

tial f

or

incr

ease

d pr

oces

sing

(i.e

. po

wer

) re

quire

men

ts

and

larg

er fo

rm

fact

ors

vs.

pred

omin

atel

y ha

rdw

are

base

d so

lutio

ns (e

.g.,

AS

IC)

•Is

olat

e S

W fr

om H

W to

pr

omot

es re

use

•P

rom

otes

/ena

bles

mul

ti-ve

ndor

par

ticip

atio

n•

Is c

omm

on N

ASA

, DoD

, an

d co

mm

erci

al

arch

itect

ure

need

ed to

m

axim

ize

mar

ket f

or

spac

e ra

dios

to re

duce

co

st?

•P

rovi

des

path

to s

tand

ard

test

qu

alifi

catio

n pr

oced

ures

and

va

lidat

ion/

verif

icat

ion

proc

edur

es

as s

oftw

are

use

incr

ease

s

Page 22: Space Telecommunications Radio Architecture (STRS

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Ass

umpt

ions

1.In

dust

ry w

ill p

ursu

e un

ique

, pro

prie

tary

SD

R d

evel

opm

ents

and

te

chno

logi

es fo

r spa

ce to

redu

ce th

eir p

rodu

ctio

n co

sts

and

incr

ease

m

arke

tabi

lity

rega

rdle

ss o

f NA

SA

mis

sion

spe

cific

nee

ds.

2.A

cle

ar b

ound

ary

shou

ld b

e id

entif

ied

betw

een

the

open

and

pr

oprie

tary

por

tions

of t

he s

tand

ard

arch

itect

ure

to e

ncou

rage

indu

stry

pa

rtici

patio

n an

d be

tter a

lign

indu

stry

dev

elop

men

t and

NA

SA

re

quire

men

ts.

3.S

peci

fyin

g im

plem

enta

tion

deta

ils a

s op

pose

d to

arc

hite

ctur

e w

ill li

mit

inno

vativ

e de

sign

and

tech

nolo

gy in

fusi

on li

miti

ng th

e us

eful

ness

of t

he

arch

itect

ure.

Nee

d to

kee

p ar

chite

ctur

e as

pect

s se

para

te fr

om

impl

emen

tatio

n. T

he S

AT

will

nee

d to

spe

cify

a b

ound

ary

betw

een

arch

itect

ure

and

impl

emen

tatio

n.

4.A

sta

ndar

d op

en a

rchi

tect

ure

wou

ld p

rovi

de fo

r eas

ier a

nd le

ss c

ostly

w

avef

orm

por

ting

from

one

pro

prie

tary

SD

R a

ppro

ach

to a

noth

er.

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Ass

umpt

ions

(con

t)

5.A

sta

ndar

d op

en a

rchi

tect

ure

wou

ld li

kely

: –

Incr

ease

the

num

ber o

f ind

ustry

par

ticip

ants

who

cou

ld p

rovi

de s

oftw

are

or

hard

war

e co

mpo

nent

s.

–E

nabl

es u

pgra

deab

ility

as

requ

irem

ents

and

tech

nolo

gy m

atur

e.–

Ena

bles

com

mon

har

dwar

e qu

alifi

catio

n te

st p

roce

dure

s an

d co

mm

onso

ftwar

e va

lidat

ion

and

verif

icat

ion

proc

edur

es.

–E

nabl

es c

omm

on in

terfa

ces

and

com

mon

com

man

ds fo

r bot

h de

velo

pmen

t an

d op

erat

ions

(e.g

., c

omm

on c

omm

and

and

tele

met

ry in

terfa

ces)

.–

Pro

vide

sta

ndar

dize

d, c

omm

and

form

ats

to e

nhan

ce s

oftw

are

deve

lopm

ent.

6.Le

ss d

epen

denc

e on

spe

cific

ven

dor’s

impl

emen

tatio

n m

ay re

duce

cos

t an

d ris

k to

dev

elop

, aug

men

t, an

d m

aint

ain

reco

nfig

urab

le s

yste

ms.

M

ultip

le v

endo

r par

ticip

atio

n in

radi

o de

velo

pmen

t will

redu

ce c

osts

(e.g

., se

para

te p

latfo

rm d

evel

oper

and

wav

efor

m d

evel

oper

)

7.S

oftw

are

and

hard

war

e de

sign

and

mod

ule

reus

e fro

m a

sof

twar

e an

d ha

rdw

are

repo

sito

ry o

r lib

rary

will

redu

ce ra

dio

deve

lopm

ent c

ost,

offe

rs

pote

ntia

l to

redu

ce q

ualif

icat

ion

cost

(e.g

. qua

lific

atio

n pr

oced

ure

reus

e,

redu

ctio

n).

•W

avef

orm

mod

el, d

esig

n, s

ourc

e co

de re

use.

–U

se o

f CO

TS s

oftw

are

prod

ucts

(cou

ld in

clud

e ta

ilorin

g fo

r spa

ce).

•H

ardw

are

desi

gn/m

odul

e re

use.

Page 24: Space Telecommunications Radio Architecture (STRS

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Que

stio

ns

1.W

hat c

hara

cter

istic

s m

ake

a go

od a

rchi

tect

ure?

Wha

t qua

ntita

tive

met

rics

can

be u

sed

to e

valu

ate

an a

rchi

tect

ure

2.H

ow m

uch

over

head

in re

sour

ces

or p

roce

ssin

g is

reas

onab

le to

exp

ect t

o ge

t th

e be

nefit

s of

ope

n ar

chite

ctur

e?3.

Wha

t are

the

less

ons

lear

ned

from

JTR

S/S

CA

that

sho

uld

be c

onsi

dere

d du

ring

the

arch

itect

ure

defin

ition

.4.

Are

the

bene

fits

of o

pen

arch

itect

ure

enou

gh fo

r NA

SA

to m

aint

ain

its o

wn

defin

ition

or d

o w

e ne

ed to

alig

n w

ith a

noth

er ra

dio

user

or l

arge

r cus

tom

er

base

(e.g

. DoD

/SC

A, S

DR

F/S

CA

).5.

Wha

t’s th

e be

st w

ay to

get

sca

labi

lity

acro

ss s

mal

ler a

pplic

atio

ns (e

.g. E

VA

an

d ro

ver)

? H

ow d

o yo

u sc

ale

an a

rchi

tect

ure,

yet

com

ply

to a

sin

gle

stan

dard

?6.

Wha

t por

tion

of n

avig

atio

n an

d ne

twor

king

func

tions

bel

ong

in S

DR

?7.

Wha

t is

the

appr

opria

te s

et o

f AP

I’s a

nd h

w in

terfa

ces

to m

axim

ize

wav

efor

m

porta

bilit

y, b

ut m

inim

ize

reso

urce

s?8.

Are

ther

e ha

rdw

are

aspe

cts

that

sho

uld

be s

tand

ardi

zed

(e.g

. har

dwar

e sl

ices

, in

terc

onne

cted

bac

kpla

ne fo

r mod

ules

or s

lices

) im

plem

enta

tion

left

to

vend

ors?

Page 25: Space Telecommunications Radio Architecture (STRS

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Arc

hite

ctur

e Ev

alua

tion

Cri

teri

a

•O

penn

ess

–N

on-p

ropr

ieta

ry s

et o

f rul

es a

nd

inte

rface

s–

Scal

able

, Ada

ptab

le

•H

W/S

W Is

olat

ion

–E

nabl

es te

chno

logy

inse

rtion

•R

adio

Per

form

ance

–D

oes

it m

eet o

pera

tiona

l re

quire

men

ts (e

.g. l

aten

cy, b

ootu

p)–

Rel

iabi

lity

•C

ost

–N

RE

(Rad

io d

evel

opm

ent b

ased

on

arch

itect

ure)

–R

ecur

ring

(Evo

lve

arch

itect

ure)

•R

esou

rce

Con

sum

ptio

n–

Pow

er a

nd m

emor

y co

nsum

ptio

n–

Logi

c eq

uiva

lent

s, n

umbe

r of

oper

atio

ns–

Size

, mas

s

•S

oftw

are

Por

tabi

lity

–S

oftw

are

arch

itect

ure

shou

ld n

ot

requ

ire a

ny s

peci

fic v

endo

r, ha

rdw

are

com

pone

nt o

r sof

twar

e ve

ndor

for

impl

emen

tatio

n

•C

ompl

exity

Mea

sure

of c

apab

ility

•D

esig

n R

euse

–Fl

exib

le to

ol u

se a

cros

s re

quire

d ha

rdw

are

plat

form

s

Page 26: Space Telecommunications Radio Architecture (STRS

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006JTRS

/SC

A A

pplic

abili

ty

•Le

vera

ge J

TRS

/SC

A–

Mos

t JTR

S p

rogr

am g

oals

app

licab

le o

r sim

ilar t

o N

AS

A’s

•P

hilo

soph

y si

mila

r to

NAS

A ap

proa

ch (e

.g. o

pen

arch

itect

ure,

indu

stry

pa

rtici

patio

n, te

chno

logy

inse

rtion

, net

wor

king

, sof

twar

e re

use,

porta

bilit

y)–

Alte

rnat

ive

to N

AS

A d

evel

opin

g a

uniq

ue S

DR

sta

ndar

d•

Nee

d to

def

ine

NA

SA

’s ro

le in

arc

hite

ctur

e st

anda

rd’s

bod

ies

–N

etw

orki

ng a

nd s

ecur

ity a

re in

tegr

al to

JTR

S d

esig

n, a

lthou

gh le

vel o

f se

curit

y m

ay e

xcee

d N

AS

A’s

sec

urity

requ

irem

ents

(TB

D)

–C

an u

se p

revi

ous

clus

ter e

xper

ienc

e fo

r wav

efor

m d

efin

ition

and

de

velo

pmen

t–

Res

ourc

e (e

.g. m

emor

y) c

onsu

mpt

ion

and

com

plex

ity o

f SC

A e

xcee

dsty

pica

l spa

cecr

aft c

omm

unic

atio

n re

sour

ces.

•S

tatu

s of

Spa

ce A

pplic

atio

n–

NA

SA

and

JTR

S h

ave

MO

U to

mai

ntai

n co

llabo

rativ

e pa

rtner

ship

–S

CA

is b

eing

use

d fo

r SA

TCO

M a

ppls

(i.e.

wid

eban

d gr

ound

bas

ed ra

dios

)–

Opt

imiz

ed S

CA

impl

emen

tatio

ns m

ay a

pply

to s

pace

-bas

ed ra

dios

Page 27: Space Telecommunications Radio Architecture (STRS

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Arc

hite

ctur

e Re

quir

emen

ts, M

issi

on D

rive

rs,

GPS

Arc

hite

ctur

e Ex

ampl

e

Page 28: Space Telecommunications Radio Architecture (STRS

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Sam

ple

Hig

h Le

vel A

rchi

tect

ure

Requ

irem

ents

•S

DR

HW

and

SW

arc

hite

ctur

e sh

all b

e op

enan

d pr

ovid

e pu

blis

hed

inte

rface

san

d de

scrip

tion

of a

llow

able

ope

ratio

ns a

nd in

form

atio

n ex

chan

ged

amon

g co

mpo

nent

s ac

ross

the

defin

ed in

terfa

ces.

•S

DR

arc

hite

ctur

e sh

all e

nabl

e so

ftwar

e po

rtabi

lity

and

abst

ract

ion

laye

rs w

hile

m

inim

izin

g re

quire

d re

sour

ces

(e.g

. pow

er, m

ass)

.

•S

DR

arc

hite

ctur

e sh

all m

inim

ize

spec

ific

appl

icat

ion

and/

or im

plem

enta

tion

appr

oach

es to

pro

vide

flex

ibili

tyfo

r diff

eren

t mis

sion

cla

sses

and

ava

ilabl

e re

sour

ces.

•S

DR

arc

hite

ctur

e sh

all d

efin

e m

inim

um s

et o

f har

dwar

e an

d so

ftwar

e in

terfa

ce

defin

ition

s to

ena

ble

tech

nolo

gy in

fusi

on o

ver t

ime.

•B

e H

W a

nd S

W c

onfig

urab

lefo

r mul

tiple

mis

sion

requ

irem

ents

and

/ or

acco

mm

odat

ion

of n

ew re

quire

men

ts (p

re-la

unch

and

pos

t-lau

nch;

whe

n op

erat

iona

l and

non

-ope

ratio

nal).

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Sam

ple

Hig

h Le

vel A

rchi

tect

ure

Requ

irem

ents

(Con

t’d)

•R

ecov

erth

e pr

e-ex

istin

g op

erat

iona

l con

figur

atio

n w

hen

a ru

n-tim

e ex

cept

ion

faul

t is

dete

cted

dur

ing

reco

nfig

urat

ion

of th

e S

DR

•E

nabl

e in

crem

enta

l upl

oads

(at m

odul

e / s

hare

d lib

rary

leve

l) of

bot

h so

ftwar

e an

d fir

mw

are

•S

cale

to a

ccom

mod

ate

diffe

rent

tran

scei

ver f

orm

fact

ors

•E

nabl

e fu

lly a

uton

omou

sop

erat

ions

, if i

ts s

oftw

are/

firm

war

e lo

ad is

cap

able

of

such

ope

ratio

ns

•E

nabl

e sc

alea

ble

syst

em n

etw

orki

ngan

d ne

twor

k se

rvic

es

•E

nabl

e th

e tra

nsce

iver

from

ope

ratin

g m

ultip

le c

hann

els,

in m

ultip

le fr

eque

ncy

band

s

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Sam

ple

of S

TRS

Arc

hite

ctur

e D

rive

rs

•R

esou

rces

ava

ilabl

e to

spa

ce b

ased

radi

os s

igni

fican

tly le

ss th

an te

rres

trial

ba

sed

radi

os–

Nee

d ar

chite

ctur

e sc

alab

le to

diff

eren

t mis

sion

reso

urce

s•

Min

imiz

e ar

chite

ctur

e sp

ecifi

catio

ns (“

keep

it s

impl

e”)

–A

bstra

ct w

avef

orm

from

pla

tform

–Le

t pro

vide

r im

plem

ent/o

ptim

ize

OE

that

sup

ports

sta

ndar

d S

W in

terfa

ce•

Def

ine

AP

Is u

p fro

nt –

(nee

d pa

th to

sta

ndar

diza

tion

–w

ork

with

SC

A W

G)

–Le

vera

ge S

CA

, SD

RF

SC

A–

Com

mer

cial

•D

ivid

e m

issi

on ra

dios

up

into

pla

tform

cla

sses

(ini

tial c

ut p

rovi

ded

in d

ocum

ent-

war

rant

s di

scus

sion

)•

Em

phas

is o

n w

avef

orm

impl

emen

tatio

ns o

n sp

ecia

lized

har

dwar

e , n

ot G

PP

•W

ante

d to

add

ress

har

dwar

e ar

chite

ctur

e as

pect

s (H

ID) t

o en

able

mor

e in

tero

pera

bilit

y an

d re

duce

cos

ts o

f qua

lific

atio

n pr

oces

ses

•Le

ss o

r no

emph

asis

for d

ynam

ic d

eplo

ymen

t and

har

dwar

e di

scov

ery

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Sam

ple

of S

TRS

Arc

hite

ctur

e TB

D’s

Tech

nica

l•

Har

dwar

e In

terfa

ce D

escr

iptio

ns –

wha

t’s p

ublis

habl

e an

d w

hat r

emai

ns

prop

rieta

ry?

•Li

st o

f wav

efor

ms

–N

ot y

et fo

rmal

ized

, but

…–

SNU

G, G

NU

G, D

SN–

Expl

orat

ion

wav

efor

ms

TBD

•S

ecur

ity re

quire

men

ts T

BD

Non

-Tec

hnic

al•

Tech

nica

l Adv

isor

y G

roup

–R

ecom

men

datio

ns o

n ho

w to

impl

emen

t•

Uni

que

aspe

cts

of s

pace

bus

ines

s ca

se–

Diff

eren

t mar

ket v

olum

e th

an D

oD, C

omm

erci

al, P

ublic

Saf

ety

–S

oftw

are

mod

el o

r har

dwar

e m

odel

•O

penn

ess

of a

rchi

tect

ure

–N

AS

A m

ay h

ave

to a

ddre

ss IT

AR

issu

es in

the

actu

al S

TRS

Spe

cific

atio

n D

ocum

ent(s

) as

did

JTR

S.

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Plat

form

Cla

ss C

hara

cter

istic

s

•R

ecei

ve–

Freq

uenc

y B

ands

–N

umbe

r of S

imul

tane

ous

Sig

nals

–M

axim

um s

igna

l ban

dwid

th

•Tr

ansm

it–

Max

imum

Num

ber o

f Fre

quen

cy

Band

s–

Max

imum

Tra

nsm

it B

andw

idth

–M

axim

um T

rans

mit

Dat

a R

ate

–Tr

ansm

it P

ower

Lev

el

•C

odin

g–

Con

volu

tiona

l–

Turb

o–

Ree

d So

lom

on–

Low

Par

ity D

ensi

ty C

odes

•N

etw

ork

–Lo

w R

ate

Por

t–

IP N

etw

ork

Rou

ting

–H

igh

Rat

e Po

rt

•S

ecur

ity–

Com

man

d A

uthe

ntic

atio

n–

Tran

smit

Enc

rypt

ion

–N

etw

ork

Sec

urity

•S

pace

craf

t Inp

ut/O

utpu

t–

RS

422

–15

53/1

773

–E

ther

net

–S

pace

wire

–Fi

rew

ire

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STRS

Arc

hite

ctur

e D

escr

iptio

n O

verv

iew

Page 34: Space Telecommunications Radio Architecture (STRS

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RS H

ardw

are

Mod

ules

•G

ener

al P

roce

ssin

g M

odul

e (G

PM)–

Con

sist

s of

the

gene

ral p

urpo

se p

roce

ssor

, ap

prop

riate

mem

ory,

spa

cecr

aft b

us (e

.g. M

ILS

TD-1

553)

, int

erco

nnec

tion

bus

(e.g

. PC

I),

and

the

com

pone

nts

to s

uppo

rt th

e ra

dio

conf

igur

atio

n.

•Si

gnal

Pro

cess

ing

Mod

ule

(SPM

) –C

onta

ins

the

impl

emen

tatio

ns o

f the

sig

nal

proc

essi

ng u

sed

to h

andl

e th

e tra

nsfo

rmat

ion

of re

ceiv

ed d

igita

lsig

nals

into

dat

a pa

cket

s an

d/or

the

conv

ersi

on o

f dat

a pa

cket

s in

to d

igita

l sig

nals

to b

etra

nsm

itted

. Com

pone

nts

incl

ude

AS

IC’s

, FP

GA

’s, D

SP

’s, m

emor

y, a

nd c

onne

ctio

n fa

bric

/bus

(e.g

. PC

I, fle

x-fa

bric

)

•R

F M

odul

e (R

FM) –

Han

dles

the

RF

func

tiona

lity

to p

rovi

de th

e S

PM

with

the

rece

ive

digi

tal s

igna

l and

tran

smit

the

outp

ut d

igita

l sig

nal.

Its a

ssoc

iate

d co

mpo

nent

s in

clud

e fil

ters

, RF

switc

hes,

dip

lexe

r, LN

As,

pow

er a

mpl

ifier

s, a

nd d

ata

conv

erte

rs.

This

mod

ule

hand

les

the

inte

rface

s th

at c

ontro

l the

fina

l sta

ge o

f tra

nsm

issi

on o

r firs

t sta

ge o

f rec

eptio

n of

the

wire

less

sig

nals

, inc

ludi

ng a

nten

nas.

•N

etw

ork

Mod

ule

(NM

) –Th

e ar

chite

ctur

e su

ppor

ts C

onsu

ltativ

e C

omm

ittee

for S

pace

D

ata

Sys

tem

s (C

CS

DS

) and

Inte

rnet

Pro

toco

ls (I

P) a

nd n

etw

orki

ng fu

nctio

ns.

•Se

curit

y M

odul

e (S

EC) –

The

deta

il of

this

mod

ule

are

TBD

.

Page 35: Space Telecommunications Radio Architecture (STRS

35ID

GA

SD

R C

onfe

renc

e Fe

brua

ry 2

006

Har

dwar

e M

odul

esFu

nctio

nal D

iagr

am

text

Gen

eral

Pur

pose

P

roce

ssor

DS

P

FPG

A

Sign

al P

roce

ssin

g M

odul

e (S

PM)

RA

M

EE

PR

OM

AS

IC

FPG

A

Tune

r/Fre

quen

cyC

ontro

l

RF

Mod

ule

(RFM

)

Upc

onve

rter/

Dow

ncon

verte

rG

ener

al P

roce

ssin

g M

odul

e (G

PM)

text

Gen

eral

Pur

pose

P

roce

ssor

RA

M

EE

PR

OM

PR

OM

Mem

ory

(SR

AM

, SD

RA

M)

Ope

ratin

g E

nviro

nmen

t

AD

CD

AC

Net

wor

k In

terfa

ce

Bus

Inte

rface

Page 36: Space Telecommunications Radio Architecture (STRS

36ID

GA

SDR

Con

fere

nce

Febr

uary

200

6STRS

HW

Rul

e Se

t Sam

ple

Gen

eral

Pur

pose

Mod

ule

•Pr

ovid

es p

rogr

amm

able

GPI

O to

sup

port

–In

terru

pt s

ourc

e/si

nk–

Appl

icat

ion

data

tran

sfer

•Pr

ovid

es c

ontro

l/con

figur

atio

n in

terfa

ces

•Pr

ovid

es s

pace

craf

t bus

Inte

rface

•Th

e G

PM

con

figur

atio

n fil

e m

ust d

escr

ibe

the

hard

war

e en

viro

nmen

t for

the

STR

S ar

chite

ctur

e. It

will

iden

tify

the

exis

tenc

e of

the

diffe

rent

har

dwar

e m

odul

es a

nd th

eir a

ssoc

iate

d co

nfig

urat

ion

file

that

will

allo

w th

e ar

chite

ctur

e to

inst

antia

te d

river

s an

d te

st a

pplic

atio

ns.

Sign

al P

roce

ssin

g M

odul

e•

Inte

grat

es w

ith G

PM

bus

for

–FP

GA

/DS

P p

rogr

am tr

ansf

er (W

avef

orm

Inst

antia

tion)

–bu

s fo

r sig

nal d

ata

trans

fer

–G

PIO

to g

ener

ate

and

rece

ive

inte

rrupt

s•

Dire

ct IO

for h

igh

rate

mis

sion

dat

a (b

ypas

s G

PM

)•

The

SP

M c

onfig

urat

ion

file

prov

ides

the

STR

S in

frast

ruct

ure

with

info

rmat

ion

on w

hat r

esou

rces

are

pr

ovid

e by

the

mod

ule

as w

ell a

s th

e re

sour

ces

that

mus

t exi

st o

n th

e G

PM

for a

cces

s to

the

devi

ces.

Har

dwar

e In

terf

ace

Def

initi

on•

HID

sha

ll be

pub

lishe

d fo

r eac

h m

odul

e so

3rd

par

ty d

evel

oper

s ha

ve th

e st

ruct

ure

unde

r whi

ch th

ey

can

deve

lop

new

mod

ules

The

HID

will

spe

cify

bus

con

figur

atio

ns a

nd IO

pin

ass

ignm

ents

for t

he b

ackp

lane

.

Page 37: Space Telecommunications Radio Architecture (STRS

37ID

GA

SDR

Con

fere

nce

Febr

uary

200

6

Wav

efor

m C

ompo

nent

Allo

catio

n

•S

TRS

wav

efor

ms

are

com

pris

ed o

f sof

twar

e co

mpo

nent

s w

ith s

igna

l pro

cess

ing

algo

rithm

s ne

cess

ary

to tr

ansm

it an

d re

ceiv

e m

essa

ges.

Wav

efor

m c

ompo

nent

s al

loca

ted

to p

roce

ssin

g (G

PP

) and

spe

cial

ized

har

dwar

e (S

PM

).

•H

igh

leve

l ser

vice

s us

ed to

con

trol a

nd m

onito

r wav

efor

m (v

ia G

PP

)•

Ope

ratin

g E

nviro

nmen

t pro

vide

s ac

cess

to p

roce

ssor

and

spe

cial

ized

har

dwar

e fo

r wav

efor

m p

roce

ssin

g –

OE

impl

emen

ts th

e sy

stem

man

agem

ent,

devi

ce c

ontro

l, da

ta tr

ansf

er

func

tions

–Le

vera

ges

com

mer

cial

ly a

vaila

ble

prod

ucts

and

func

tions

•S

peci

aliz

ed H

ardw

are

(SP

M) c

onta

ins

and

exec

utes

firm

war

e en

ablin

g hi

gher

ra

te p

roce

ssin

g w

ithin

the

Sof

twar

e D

efin

ed R

adio

Page 38: Space Telecommunications Radio Architecture (STRS

38ID

GA

SDR

Con

fere

nce

Febr

uary

200

6

text

Gen

eral

Pur

pose

P

roce

ssor

DS

P

FPG

A

Sign

al P

roce

ssin

g M

odul

e (S

PM)

RA

M

EE

PR

OM

AS

IC

FPG

A

Tune

r/Fre

quen

cyC

ontro

l

RF

Mod

ule

(RFM

)

Upc

onve

rter/

Dow

ncon

verte

rG

ener

al P

roce

ssin

g M

odul

e (G

PM)

text

Gen

eral

Pur

pose

P

roce

ssor

RA

M

EE

PR

OM

PR

OM

Mem

ory

(SR

AM

, SD

RA

M)

Ope

ratin

g E

nviro

nmen

t

AD

CD

AC

Net

wor

k In

terfa

ce

Bus

Inte

rface

text

Gen

eral

Pur

pose

P

roce

ssor

DS

P

FPG

A

Sign

al P

roce

ssin

g M

odul

e (S

PM)

RA

M

EE

PR

OM

AS

IC

FPG

A

Tune

r/Fre

quen

cyC

ontro

l

RF

Mod

ule

(RFM

)

Upc

onve

rter/

Dow

ncon

verte

rG

ener

al P

roce

ssin

g M

odul

e (G

PM)

text

Gen

eral

Pur

pose

P

roce

ssor

RA

M

EE

PR

OM

PRO

M

Mem

ory

(SR

AM

, SD

RA

M)

Ope

ratin

g En

viro

nmen

t

Wav

efor

m

AD

CD

AC

Net

wor

k In

terfa

ce

Bus

Inte

rface

Wav

efor

m

Wav

efor

m

Wav

efor

m

Wav

efor

m C

ompo

nent

Allo

catio

nFu

nctio

nal D

iagr

am

Page 39: Space Telecommunications Radio Architecture (STRS

39ID

GA

SDR

Con

fere

nce

Febr

uary

200

6

Inte

rfac

e D

escr

iptio

ns

Har

dwar

e•

Mod

ule

inte

rface

s ab

stra

cts

and

defin

es th

e m

odul

e fu

nctio

nalit

yfo

r dat

a flo

w to

wav

efor

m

com

pone

nts

to e

nabl

e m

ultip

le v

endo

rs to

pro

vide

diff

eren

t mod

ules

or a

dd m

odul

es to

ex

istin

g ra

dios

.•

The

elec

trica

l int

erfa

ces,

con

nect

or re

quire

men

ts, a

nd p

hysi

cal r

equi

rem

ents

are

spe

cifie

d by

the

plat

form

pro

vide

r.

Sof

twar

e•

Laye

rs h

elp

defin

e in

terfa

ces

betw

een

com

pone

nts

•C

erta

in la

yers

sep

arat

e S

W fr

om S

W a

nd o

ther

SW

from

HW

•AP

Is d

efin

ed b

y th

e ar

chite

ctur

e se

para

te w

avef

orm

from

ope

ratin

g en

viro

nmen

t for

w

avef

orm

por

tabi

lity

•Th

e H

AL

AP

I (A

pplic

atio

n P

rogr

amm

er’s

Inte

rface

) is

publ

ishe

d so

that

spe

cial

ized

ha

rdw

are

mad

e by

one

com

pany

may

be

inte

grat

ed w

ith th

e S

TRS

Infra

stru

ctur

e m

ade

by

a di

ffere

nt c

ompa

ny–

Incl

udes

a d

escr

iptio

n of

eac

h m

etho

d/fu

nctio

n us

ed, i

nclu

ding

its

callin

g se

quen

ce, r

etur

n va

lues

, an

exp

lana

tion

of it

s fu

nctio

nalit

y, a

ny p

reco

nditi

ons

befo

re u

sing

the

met

hod/

func

tion,

and

the

stat

us a

fter u

sing

the

met

hod/

func

tion

–C

onta

ins

info

rmat

ion

abou

t the

und

erly

ing

hard

war

e su

ch a

s ad

dres

s an

d da

ta in

terfa

ces,

inte

rrupt

in

put a

nd o

utpu

t, po

wer

con

nect

ions

, as

wel

l as

plus

oth

er c

ontro

l and

dat

a lin

es n

eces

sary

to

oper

ate

in th

e S

TRS

pla

tform

env

ironm

ent (

firm

war

e co

de p

orta

bilit

y)•

The

STR

S In

frast

ruct

ure

will

use

the

HA

L in

form

atio

n to

initi

aliz

e th

e ha

rdw

are

driv

ers

such

that

the

cont

rol a

nd d

ata

mes

sage

s w

ill be

app

ropr

iate

ly d

eliv

ered

to th

e m

odul

e.

Page 40: Space Telecommunications Radio Architecture (STRS

40ID

GA

SDR

Con

fere

nce

Febr

uary

200

6

text

Gen

eral

Pur

pose

Pr

oces

sor

DSP

FPG

A

Sign

al P

roce

ssin

g M

odul

e (S

PM)

RAM

EEPR

OM

ASIC

FPG

A

Tune

r/Fre

quen

cyC

ontro

l

RF

Mod

ule

(RFM

)

Upc

onve

rter/

Dow

ncon

verte

rG

ener

al P

roce

ssin

g M

odul

e (G

PM)

text

Gen

eral

Pur

pose

Pr

oces

sor

RAM

EEPR

OM

PRO

M

Mem

ory

(SR

AM, S

DR

AM)

Ope

ratin

g En

viro

nmen

t

ADC

DAC

Net

wor

k In

terfa

ce

Bus

Inte

rface

text

Gen

eral

Pur

pose

Pr

oces

sor

DSP

FPG

A

Sign

al P

roce

ssin

g M

odul

e (S

PM)

RAM

EEPR

OM

ASIC

FPG

A

Tune

r/Fre

quen

cyC

ontro

l

RF

Mod

ule

(RFM

)

Upc

onve

rter/

Dow

ncon

verte

rG

ener

al P

roce

ssin

g M

odul

e (G

PM)

text

Gen

eral

Pur

pose

Pr

oces

sor

RAM

EEPR

OM

PRO

M

Mem

ory

(SR

AM, S

DR

AM)

Ope

ratin

g En

viro

nmen

t

Wav

efor

m

ADC

DAC

Net

wor

k In

terfa

ce

Bus

Inte

rface

Wav

efor

m

Wav

efor

m

Wav

efor

m

Wav

efor

m C

ompo

nent

Allo

catio

nFu

nctio

nal D

iagr

am text

Gen

eral

Pur

pose

Pr

oces

sor

DSP

FPG

A

Sign

al P

roce

ssin

g M

odul

e (S

PM)

RAM

EEPR

OM

ASIC

FPG

A

SPM

In

terfa

ce

SPM

Inte

rface

RFM

IFEx

t IF

SPM

IF

GPM

IF

RFM

In

terfa

ce

Tune

r/Fre

quen

cyC

ontro

l

RF

Mod

ule

(RFM

)

Upc

onve

rter/

Dow

ncon

verte

rG

ener

al P

roce

ssin

g M

odul

e (G

PM)

text

Gen

eral

Pur

pose

Pr

oces

sor

RAM

EEPR

OM

PRO

M

Mem

ory

(SR

AM, S

DR

AM)

Ope

ratin

g En

viro

nmen

t

Wav

efor

m

HALAP

I

ADC

DAC

Net

wor

k In

terfa

ce

Bus

Inte

rface

text

Wav

efor

m

text

Wav

efor

m

text

Wav

efor

m

Page 41: Space Telecommunications Radio Architecture (STRS

41ID

GA

SDR

Con

fere

nce

Febr

uary

200

6STRS

SW

Rul

e Se

t Sam

ple

•Al

l STR

S w

avef

orm

app

licat

ions

will

use

the

STR

S A

pplic

atio

n P

rogr

amm

er In

terfa

ces

(AP

I) su

ite to

inst

antia

te a

nd c

ontro

l the

wav

efor

m fu

nctio

nalit

y•

The

STR

S A

PI p

rovi

des

the

inte

rface

s th

at a

llow

app

licat

ions

to b

e in

stan

tiate

d an

d us

e pl

atfo

rm s

ervi

ces.

The

se A

PIs

als

o en

able

com

mun

icat

ion

betw

een

wav

efor

m a

nd a

pplic

atio

n co

mpo

nent

s

•Th

e A

PI l

ayer

sha

ll co

nsis

t of p

ublis

hed

STR

S A

PIs

whi

le le

vera

ging

a d

efin

ed s

ubse

t of

indu

stry

sta

ndar

d P

OS

IX A

PIs

•O

pera

ting

envi

ronm

ent c

onsi

sts

of S

TRS

infra

stru

ctur

e, re

al ti

me

OS

, boa

rd s

uppo

rt pa

ckag

es, h

ardw

are

abst

ract

ion

laye

rs.

•Th

e op

erat

ing

envi

ronm

ent (

via

STR

S in

frast

ruct

ure)

sha

ll im

plem

ent t

he S

TRS

AP

Is a

nd

syst

em m

anag

emen

t, de

vice

con

trol,

data

tran

sfer

func

tions

•S

TRS

con

figur

atio

n fil

es s

hall

cont

ain

plat

form

and

wav

efor

m s

peci

fic in

form

atio

n to

allo

w

cust

omiz

atio

n of

inst

alle

d w

avef

orm

s. T

he c

onfig

urat

ion

file

cont

ains

the

para

met

ric

valu

es fo

r con

figur

able

com

pone

nts

as w

ell a

s fil

enam

es fo

r loa

dabl

e de

vice

s (F

PG

A,

DSP

, etc

.)

Page 42: Space Telecommunications Radio Architecture (STRS

42ID

GA

SDR

Con

fere

nce

Febr

uary

200

6

Laye

r Def

initi

ons

Phys

ical

laye

r of t

he h

ardw

are

mod

ules

exi

stin

g on

the

STR

S Pl

atfo

rm.

Com

mun

icat

ion

Equi

pmen

t

The

Har

dwar

e A

bstra

ctio

n La

yer (

HA

L) w

orks

in c

onju

nctio

n w

ith th

e H

W d

river

s to

prov

ide

a pl

atfo

rm in

depe

nden

t vie

w fo

r the

infr

astru

ctur

e an

d ap

plic

atio

ns.

The

Har

dwar

e In

terf

ace

Des

crip

tion

(HID

) def

ines

the

phys

ical

inte

rfac

es th

at a

llow

third

par

ty h

ardw

are

deve

lope

rs to

in

tegr

ate

thei

r pro

duct

s with

a sp

ecifi

c ST

RS

plat

form

. Th

e B

oard

Sup

port

Pack

age

(BSP

) pr

ovid

es th

e ha

rdw

are

abst

ract

ion

of th

e G

PM m

odul

e fo

r the

PO

SIX

-com

plia

nt O

pera

ting

Syst

em.

HA

L/H

ID/B

SP

The

hard

war

e dr

iver

s pro

vide

the

plat

form

inde

pend

ence

to th

e so

ftwar

e an

d in

fras

truct

ure

by

abst

ract

ing

the

phys

ical

har

dwar

e in

terf

aces

into

a c

onsi

sten

t Dev

ice

Con

trol A

PI.

HW

Driv

ers

This

laye

r ide

ntifi

es th

e ab

ility

for t

he S

TRS

infr

astru

ctur

e to

have

a d

irect

inte

rfac

e to

the

hard

war

e dr

iver

s on

the

plat

form

.D

irect

Ser

vice

Sup

port

The

STR

S de

fines

a m

inim

um P

OSI

X A

EP fo

r the

allo

wed

OS

serv

ices

. Th

is la

yer c

an e

ither

co

nsis

t of a

com

plia

nt P

OSI

X R

TOS,

or b

y a

POSI

X A

EP A

bstra

ctio

nin

con

junc

tion

with

a

non-

com

plia

nt R

TOS.

POSI

X O

S

The

STR

S in

fras

truct

ure

impl

emen

ts th

e be

havi

or a

nd fu

nctio

nalit

y id

entif

ied

by th

e ST

RS

API

s.

STR

S In

fras

truct

ure

The

STR

S A

PIs p

rovi

de a

con

sist

ent i

nter

face

for e

xecu

ting

the

appl

icat

ions

and

serv

ices

.ST

RS

API

This

laye

r enc

ompa

sses

the

wav

efor

m a

nd a

pplic

atio

n en

titie

s tha

t use

the

serv

ices

of t

he S

TRS

infr

astru

ctur

e to

per

form

the

desi

red

func

tiona

lity.

App

licat

ion

/ Ser

vice

s

Des

crip

tion

Lay

er