RPCM uon T rig ger S ys te m

Transkrypt

C M S
R P C M u o n T r ig g e r S y s te m
- D A Q
n e w
d e s ig n
O u tlin e
G e n e ra l re m a rk s ,
R P C T r ig g e r D A Q
fu n c tio n a lity & s tr u c tu r e ,
S ta tu s & p la n s
K r z y s z to f P o z n ia k
In s titu te o f E le c tr o n ic s S y s te m s ,
W a r s a w U n iv e r s ity o f T e c h n o lo g y
C M S E le c tr o n ic s W e e k , R e v ie w o f th e C M S T r ig g e r S y s te m
- 4 N o v e m b e r 2 0 0 3
K r z y s z to f P o z n ia k , W a r s a w U n iv e r s ity o f T e c h n o lo g y
C M S
- D A Q
n e w
d e s ig n
R a te o f h its fo r a s in g le b u n c h c r o s s in g
M B
4
M E 1
M E 2
M E 3
M E 4
B A R R E L
M B
3
M B
M B
2 _ 1
2 _ 2
[c m ]
7 0 0
0 .0
0 .0
0 .0
0 .0
0 .1
0 1
0 5
1 0
5 0
0 0
h it
h it
h it
h it
h it
s /b
s /b
s /b
s /b
s /b
x /c
x /c
x /c
x /c
x /c
h a
h a
h a
h a
h a
m b
m b
m b
m b
m b
e r
e r
e r
e r
e r
6 0 0
5 0 0
4 0 0
M B 1 _ 1
M E 1 _ 2
3 0 0
M E 0
2 0 0
1 0 0
E N D C A P
0
in te r a c tio n p o in t
2 0 0
T r ig g e r a lg o r ith m is b a s e d
T h e h its a r e tr a n s m itte
T h e
(d iffe r e n c e
4 0 0
o n m
d fr o
h its
o f tw
u o
m
ra
o
6 0 0
n tr a c k p a tte
th e d e te c to r
te d is tr ib u tio
o rd e rs o f m a
8 0 0
rn re
to th
n is n
g n itu
- 4 N o v e m b e r 2 0 0 3
c o g n itio n
e c o u n tig
o t h o m o g
d e fr o m D
1 0 0 0
1 2 0 0[c m ]
w ith h its fr o m R P C c h a m b e r s .
r o o m b y fib r e o p tic lin k s .
e n e o u s
= 0 to D = 2 .1 ) .
C M S
- D A Q
n e w
d e s ig n
R P C c h a m b e r s g r o u p p in g fo r o p tic a l lin k s
M B 4
M E 1
M E 2
M E 3
[c m ]
7 0 0
M E 4
B A R R E L
1 R P C
c h a m b e r p e r 1 lin k
2 R P C
c h a m b e r s p e r 1 lin k
3 R P C
c h a m b e r s p e r 1 lin k
6 0 0
M B 3
5 0 0
M B 2 _ 1
M B 2 _ 2
M B 1 _ 1
M E 1 _ 2
4 0 0
3 0 0
M E 0
2 0 0
1 0 0
E N D C A P
0
in te r a c tio n p o in t
2 0 0
4 0 0
6 0 0
8 0 0
1 0 0 0
1 2 0 0 [c m ]
C o m p r e s s io n a lg o r ith m e x p lo its lo w o c c u p a n c y o f th e R P C c h a m b e r s
In h o m o g e n e o u s d is tr ib u tio n o f th e r a te im p lie s th a t m o r e lin k s is r e q u ir e d fo r th e a r e a s o f h ig h h it r a te
D u e to c o m p e s s io n , th e n u m b e r o f o p tic a l lin k s is r e d u c e d b y a fa c to r o f s ix a t le a s t
- 4 N o v e m b e r 2 0 0 3
C M S
R P C D A Q
- D A Q
n e w
d e s ig n
b a s e d o n c o m p re s s e d d a ta
IN P U T - D A T A
C O M P R E S S IO N - T R A N S M IS S IO N
D 2 3
D 2 2
D 2 1
D 2 0
D 1 9
D 1 8
D 1 7
D 1 6
D 1 5
D 1 4
D 1 3
D 1 2
D 1 1
D 1 0
D 9
D 8
D 7
D 6
D 5
D 4
D 3
D 2
D 1
D 0
-
P A C K E T D E C O M P R E S S IO N
P 5
D A T A B U F F E R
M E M O R Y
P 4
D E R A N D O M IZ A T IO N
P R O C E S S
P 3
p a c k e t
P 2
p a c k e t
p a c k e t
4
0
1
2
3
5
2
2
1
0
1
0
b x = 5
b x = 4
P 0
b x = 2
b x = 1
rt
m
la
lu
itio n
b e r
y
e
d a ta o f
p a r titio n
P 1
b x = 3
p a
n u
d e
v a
b x = 3
b x = 2
b x = 1
b x = 0
m a x im u m p a c k e t le n g th
fo r m a x im u m d e la y v a lu e = 3
p a c k e t
p a c k e t
p a c k e t
4
0
1
2
3
5
2
2
1
0
1
0
b x = 5
b x = 4
b x = 3
b x = 2
b x = 1
b x = 0
b x = 0
L 1 A c c e p t
E x a m p le fo r 2
O n ly n o n -e m p ty p a r titio n s a r e s e n t. T h e
P a c k e t d e c o m p r e s s o r s e le c ts p a c k e
T h e
4 -b it d a ta w
p a r titio n s w
ts fr o m d a ta
s e le c te d p a
o rd . D
ith a d
s tr e a m
c k e ts a
a ta
e la y
c o
re s
w o
g r
rre
to r
- 4 N o v e m b e r 2 0 0 3
r d is d iv id e d in to
e a te r th a n a llo w e
s p o n d in g to th e b
e d in d a ta b u ffe r
s ix 4 -b it p a r titio n s
d m a x . v a lu e w ill b e lo s t ( w o r s t c a s e < 0 .5 % ) .
u n c h c r o s s in g g iv e n b y L 1 A c c e p t s ig n a l.
m e m o ry .
C M S
R P C D A Q
L in k B o a r d s
- D A Q
n e w
fu n c tio n a l s tr u c tu r e
S p litte r s
R e a d o u t
C o n c e n tra to r
E C A L - D C C
b o a rd
G lo b a l
D a ta
A c q u is itio n
F E B o a rd s
C h a m b e rs
R e a d o u t
R P C
d e s ig n
L d e m u x 's
P a c M a tr ix
S o r tin g tr e e
S o r tin g T r e e
T r ig g e r
G h o s t B u s te r E ta
G lo b a l
M u o n
T r ig g e r
G h o s t B u s te r P h i
T r ig g e r B o a r d s
R P C R e a d o u t S y s te m u s e s th e s a m e c o m p r e s s e d d a ta p a c k e ts a s T r ig g e r S y s te m .
S in g le R e a d o u t C o n c e n tr a to r is p la c e d o n e a c h T r ig g e r B o a r d .
E C A L D C C b o a r d is u s e d a s M a in R e a d o u t C o n c e n tr a to r .
- 4 N o v e m b e r 2 0 0 3
C M S
- D A Q
n e w
d e s ig n
T r ig g e r B o a r d R e a d o u t C o n c e n tr a to r
S y n c h r.
P A C S e c to r
P ro c e s s o r
P A C S e c to r
P ro c e s s o r
P A C S e c to r
P ro c e s s o r
V M E
C o n tro l
(J ta g , II)
E tra x
(o p tio n a l)
V M E
E th e rn e t
G B ,
S o rte r
R e a d o u t
C o n c e n tra to r
T lk 2 5 0 1
P A C S e c to r
P ro c e s s o r
R e a d o u t
s u b s y s te m
G O H
D e d ic a te d F P G A c h ip (A lte r a C y c lo n e ) is u s e d fo r R e a d o u t C o n c e n tr a tio n o n T B .
R e a d o u t c o n c e n tr a to r s e r v e s u p to 1 8 fib r e lin k s .
G O L O p to h y b r id (G O H ) m o d u le s e n d s d a ta v ia o p tic a l lin k s to R P C M a in D a ta C o n c e n tr a to r
- 4 N o v e m b e r 2 0 0 3
C M S
- D A Q
n e w
d e s ig n
T r ig g e r C r a te R e a d o u t tr a n s m is s io n
s M U -M F
(E r ic
S u m
D ia m
O p tic
w ith N G K
to R P C
C o
S fa
s s o
ito m
o n d
a l
R x
M
n c
n
n o u t
o
)
R ib b o
ty p e
a in R
e n tra
M U -s M U a d a p te r
(S u m ito m o )
M
T B
4
V
T B
-4
T B
3
T B
-3
T B
2
T B
-2
T B
1
T B
-1
T B
0
E
n 8 m
c o n n e c to r
e a d o u t
to r
R P C D a ta fro m
o p tic a l lin k
G O H p ig ta il w ith
M U c o n n e c to r
R e a d o u t d a ta fr o m 9 T r ig g e r B o a r d s is s e n t o R P C M a in D a ta C o n c e n tr a to r .
E C A L D C C d e d ic a te d o p tic a l d a ta tr a n s m is s io n s y s te m is u s e d .
- 4 N o v e m b e r 2 0 0 3
C M S
- D A Q
n e w
d e s ig n
M a in R e a d o u t c o n c e n tr a to r - E C A L D C C
T h r e e E C A L D C C C a r d s e r v e s 1 2 o p tic a l r ib b o n s . E a c h R P C R e a d o u t A r e a c o in ta in s 4 r ib b o n s (4 * 9 o p tic a l lin k s ).
C o n fig u r a tio n o f X ilin x c h ip s c o n n e c te d to o p tic a l r e c e iv e r s (iF IF O B L O C K )
m u s t b e p r o g r a m m a b le a c c o r d in g to th e R P C R e a d o u t r e q u ir e m e n ts
- 4 N o v e m b e r 2 0 0 3
C M S
- D A Q
n e w
d e s ig n
S u m m a r y & p la n s
F u n c tio n a lity o f T B r e a d o u t c o n c e n tr a to r h a s b e e n fix e d
P r o to ty p e o f r e a d o u t c o n c e n tr a to r w a s s u c c e s s fu ly te s te d in
la b o r a to r y a t W a r s a w a n d u s e d d u r in g L H C -lik e b e a m te s t
F in a l F P G A r e a d o u t c o n c e n tr a to r is u n d e r d e s ig n
V H D L fo r E C A L D C C X ilin x c h ip s is b e in g w r itte n
R P C R e a d o u t w ill b e te s te d d u r in g L H C -lik e b e a m
- 4 N o v e m b e r 2 0 0 3
te s t n e x t y e a r

RPCM uon T rig ger S ys te m

Transkrypt

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