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1/12
US
20110199908A1
1 9 ) United S t a t e s
1 2 )
Patent
Application
Publication
1 0 ) P u b .
N o . : US 2 0 1 1 / 0 1 9 9 9 0 8 A 1
D a l s g a a r d e t a l .
4 3 )
P u b .
D a t e :
Aug. 1 8 , 2011
5 4 )
7 5 )
7 3 )
2 1 )
2 2 )
METHODS
AND
APPARATUSES
FOR
MEASUREMENTGAP
PATTERN
FOR
CARRIERAGGREGATION
I n v e n t o r s : L a r s
D a l s g a a r d ,
O u l u F l ) ; J a r k k o
Tuomo
o s k e l a ,
O u l u F l ) ;
Jorma
J o h a n n e s K a i k k o n e n , O u l u F l ) ;
T e r o Heikki M a t t i H e n t t o n e n ,
E s p o o
F l )
A s s i g n e e : NOKIA CORPORATION, s p o o
F 1 )
A p p l . N o . :
1 2 / 7
0 5 , 8 8 7
F i l e d :
F e b .
1 5 ,
2010
P u b l i c a t i o n C l a s s i? c a t i o n
( 5 1 )
I n t . C l .
H 04L
1 2 / 2 6 ( 2 0 0 6 . 0 1 )
H04W
4 / 0 0
( 2 0 0 9 . 0 1 )
H04W 2 / 0 4 ( 2 0 0 9 . 0 1 )
52) U.S. Cl. . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . 370/241; 370/329
5 7 )
ABSTRACT
I n a c c o r d a n c e w i t h an example embodiment o f t h e
p r e s e n t
i n v e n t i o n ,
a method comprises r e t u n i n g a r e c e i v e r of u s e
r
equipment
U
) t o a
? r s t bandwidth
t a
? r s t
m i n i gap f a gap
p a t t e r n
wherein
h e
? r s t bandwidth
c o v e r s
at l e a s t one a c t i v e
component
c a r r i e r and t l e a s t
one i n a c t i v e component c a r
r i e r ;
t a k i n g
measurements
f
t h e a t l e a s t one n a c t i v e compo
n e n t c a r r i e r ; and
e t u n i n g
t h e r e c e i v e r to a s e c o n d bandwidth
at a
second mini gap of
h e
gap
p a t t e r n wherein t h e
second
bandwidth
c o v e r s
a t l e a s t t h e one a c t i v e
component c a r r i e r ,
and wherein
l e n g t h o f
h e ? r s t m i n i
g a p
and s e c o n d
l e n g t h
of h e second mini gap
r e s h o r t and n d e p e n d e n t
of
d u r a t i o n
f o r t a k i n g
t h e
m e a s u r e m e n t s .
500
Y
5 1 2 5 1 3 5
1 8
f
'\
CA
Q n t r g l
T r a n s c e i v e r
Measurement
Module
P r o c e s s o r
M M
Measurement n i t
: 5 1 4
K
516
-
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P a t e n t
A p p l i c a t i o n
P u b l i c a t i o n
Aug.
1 8 , 2 0 1 1 S h e e t
1 0 f 6 US
2 0 1 1 / 0 1 9 9 9 0 8
A 1
1 0 0
1 0 4
1 0 2
1 0 6
1 1 0
FIGURE
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P a t e n t A p p l i ca t io n
P u b l i c a t i o n
A u g .
1 8 , 2 0 1 1 S h e e t 2 0 f 6
R e c e i v i n g
o r
d e ? n i n g a g a p p a t t e r n
202
l
Retuning
a
RF e c e i v e r
t o a f i r s t
b a n d w i d t h
204
1
Taking measurements on at l e a s t
one i n a c t i v e CC
2 0 6
i
R e c e i v i n g
o r
t r a n s m i t t i n g
d a t a
on
t h e
a t
l e a s t one a c t i v e CC
d u r i n g t h e g a p p e r i o d
208
i
R e t u n i n g t h e r e c ei v e r t o a
s e c o n d bandwidth
210
FIGURE
US
011/0199908
A 1
200
-
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P a t e n t A p p l i c a t i o n
P u b l i c a t i o n Aug.
1 8 , 2 0 1 1 S h e e t
3 0 f 6
US 2 0 1 1 / 0 1 9 9 9 0 8
A 1
300a
A c t i v e
r e c e p t i o n / m e a s u r e m e n t s ( P D C C H ,
PDSCH
a n d a l s o TX s p o s s i b l e )
S w i t c h - r e t u n i n g R F and r e c e p t i o n o f
PDCCH
and PDSCH s n o t p o s s i b l e , T x i s n o t p o s s i b l
e
I n a c t i v e
( R e c e p t i o n on CC
s
n o t a c t i v e , no T X )
FIGURE a
3 ) ) b
3 1 2 a 3 i 2 b 3 1 4 a 3 1 4 1 ) K
H A R Q p r o c e s s i - i
r35670123456701234
CCl
CCZ
Not from sa me
HARQ
r o c e s s Not
Same
HARQ r o c e s s and
a l s o d i f f e r e n t
from t h e H ARQ
p r o c e s s e s i n t e r r u p t e d i n
p r i o r
s w i t c h .
A c t i v e
r e c ep t i o n / m e a s u r e m e n t s ( P D C C H ,
PDSCH and
a l s o T X
i s
p o s s i b l e )
S w i t c h
-
r e t u n i n g RF
and
r e c e p t i o n
o f
PDCCH
and PDSCH
s
n o t p o s s i b l e , TX s n o t p o s s i b l e
i n a c t i v e
( R e c e p t i o n
on
CC s n o t a c t i v e , no T X )
FIGURE b
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P a t e n t
A p p l i c a t i o n
P u b l i c a t i o n
Aug.
1 8 , 2 0 1 1 S h e e t
4 0 f 6 US
2 0 1 1 / 0 1 9 9 9 0 8
A 1
3 0 0 6
FIGURE 0
-
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P a t e n t A p p l i ca t io n
P u b l i c a t i o n
414
416
Aug. 1 8 ,
2 0 1 1
S h e e t
5
0 f
6 US 2 0 1 1 / 0 1 9 9 9 0 8 A 1
400
K
CA
o n t r o l
Module
I n t e r f a c e
- \
Module
412
Measurement
Module
FIGURE 4
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7/12
P a t e n t A p p l i c a t i o n
P u b l i c a t i o n Aug.
1 8 , 2 0 1 1 S h e e t
6 0 f 6
US 2 0 1 1 / 0 1 9 9 9 0 8
A 1
500
y
5 1 2 5 1 3 5 1 8
f b-
CA
Q H I I O I T r a n s c e i v e r
- :
M e a s u r e m e n t I 3
Module l
h _
_ _
_ _l
P r o c e s s o r
\1 5
M M
\
M e a s u r e m e n t
u n i t
5
4
K
516
FIGURE
-
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8/12
US 011/0199908
A 1
METHODS
AND
APPARATUSES FOR
MEASUREMENTGAP PATTERN FOR
CARRIERAGGREGATION
TECHNICAL
IELD
[ 0 0 0 1 ] T h e
p r e s e n t
a p p l i c a t i o n
r e l a t e s
g e n e r a l l y t o m e t h o d
and a p p a r a t u s e s f o r measurements g a p
p a t t e r n
f o r c a r r i e r
a g g r e g a t i o n .
BACKGROUND
[ 0 0 0 2 ]
A g g r e ga t io n o f m u l t i p l e c o m p o n e n t c a r
r i e r s f o r
w i r e l e s s s y s t e m , which i s a l s o
t e r m e d
c a r r i e r a g g r e g a t i o n
( C A ) , may p r o v i d e w i r e l e s s
d e v i c e s
w i t h
? e x i b l e a n d
expanded
bandwidth o
meet
h e bandwidth
demands of new
a p p l i c a t i o n s
w i t h large
amount
f
a t a .
A
o m p o n e n t c a r r i e r
i s a ? e x i b l y a l l o c a t e d bandwidth t h a t may be a
l l o c a t e d t o a
network
e v i c e
s u c h
as a u s e r equipment
U )
i n
a d d i t i o n
to
a n e x i s t i n g
a l l o c a t e d
r e s o u r c e . M u l t i p l e
component
carr iers
may be a g g r e g a t e d on demand
r
s t a t i c a l l y f o r t h e UE.
[ 0 0 0 3 ] A g g r e g a t e d
c o m p o n e n t
c a r r i e r s
may
n e e d t o b e
measured from t i m e t o t i m e by
t h e
UE and
t h e c o l l e c t e d
measurements
r e p o r t e d
t o an
a s s o c i a t e d
network
node
f o r
v a r i o u s
purposes
such
a s
network
maintenance and resource
a l l o c a t i o n . Some f t h e component
a r r i e r s
may e a c t i v e l y
c a r r y i n g t r a ? i c
and some may be i n an
i n a c t i v e
s t a t e , n o t
c a r r y i n g
a n y
d a t a t r a f ? c . F o r measurement p u r p o s e , b o t
h
a c t i v e and n a c t i v e
component
carr iers need o
be
m e a s u r e d .
SUMMARY
[ 0 0 0 4 ]
V a r i o u s
a s p e c t s
o f
e x a m p l e s
o f
t h e i n v e n t i o n
a r e
s e t
o u t i n t h e c l a i m s .
[ 0 0 0 5 ]
A c c o r d i n g
t o a
? rst
a s p e c t
o f
t h e p r e s e n t
i n v e n t i o n ,
a method
comprises
r e t u n i n g a r e c e i v e r of u s e r equipment
UE)
t o
a ? r s t
bandwidth
a t
a ? r s t
mini gap of gap
p a t t e r n
wherein
h e
? r s t
bandwidth o v e r s at l e a s t one
c t i v e
compo
n e n t
c a r r i e r and
t
l e a s t one i n a c t i v e
component
c a r r i e r ;
t a k
i n g measurements o f t h e a t l e a s t one i n a c t i v e
component
c a r r i e r ; and e t u n i n g t h e r e c e i v e r t o a
second bandwidth at a
s e c o n d
m i n i
g a p o f
t h e
g a p
p a t t e r n
w h e r e i n
t h e
s e c o n d
band
width c o v e r s
a t l e a s t
t h e one
a c t i v e
component a r r i e r , and
wherein
a l e n g t h o f t h e
? r s t m i n i
g a p
and
a s e c o n d l e n g t h o f
t h e second
mini
gap
a r e s h o r t
and
i n d e p e n d e n t o f
a
d u r a t i o n
f o r
t a k i n g t h e m e a s u r e m e n t s .
[ 0 0 0 6 ]
A c c o r d i n g t o a th ird
a s p e c t
o f
t h e p r e s e n t i n v e n t i o n ,
a n a p p a r a t u s c o m p r i s e s
a c a r r i e r a g g r e g a t i o n CA) c o n t r o l
module con?gured
o
cause t o r e t u n e
a r e c e i v e r
of
h e
appa
r a t u s t o a ? r s t
bandwidth
a t a ? r s t
mini
gap of gap p a t t e r n
wherein
h e ? r s t
bandwidth o v e r s at l e a s t one
c t i v e
compo
n e n t c a r r i e r and t l e a s t one i n a c t i v e
component a r r i e r ; and
retune h e r e c e i v e r
t o
a
secondbandwidth
t a
second
mini
gap
of t h e gap p a t t e r n wherein t h e second
bandwidth
c o v e r s at
l e a s t
t h e one a c t i v e
component a r r i e r ,
and
w h e r e i n
a l e n g t h
o f t h e ? r s t
m i n i
g a p
and
a s e c o n d l e n g t h o f
t h e
s e c o n d
m i n i
g a p a r e
s h o r t and i n d e p e n d e n t
o f a d u r a t i o n
f o r
t a k i n g t h e
measurements; and measurement
module con?gured o t a k e
measurements
of
h e a t l e a s t one i n a c t i v e component
a r r i e r .
[ 0 0 0 7 ] A c c o r d i n g t o a s e c o n d a s p e c t o f
t h e p r e s e n t i n v e n
t i o n , an a p p a r a t u s c o m p r i s e s a t l e a s t
one
p r o c e s s o r ;
and at
l e a s t one memory
i n c l u d i n g
computer program code t h e a t
l e a s t
one
memory
and
h e
computer progr am o d e con?gured
t o , with
t h e
a t l e a s t one
p r o c e s s o r ,
cause
t h e
a p p a r a t u s
t o
perform t
l e a s t
t h e f o l l o w i n g : r e t u n i n g a r e c e i v e r
t o
a
? r s t
bandwidth t a ? r s t mini gap of gap a t t e r n wherein h e ?
r s t
A u g . 1 8 , 2 0 11
bandwidth o v e r s a t l e a s t one
c t i v e component
a r r i e r and t
l e a s t
o n e i n a c t i v e
component a r r i e r ;
t a k i n g m e a s u r e m e n t s
o f
t h e
a t
l e a s t one i n a c t i v e component
a r r i e r ;
and e t u n i n g t h e
r e c e i v e r t o a secondbandwidth t a second mini gap
of
h e gap
p a t t e r n
wherein
h e
second bandwidth
c o v e r s
a t l e a s t
t h e
one
a c t i v e
component
a r r i e r , a n d
w h e r e i n a l e n g t h o f t h e ? r s t
mini gap and
a
second l e n g t h of
t h e
second mini gap
a r e
e q u a l l y s h o r t a n d i n d e p e n d e n t o f
a
d u r a t i o n o f t a k i n g
t h e
measurements.
BRIEF
DESCRIPTIONOFTHEDRAWINGS
[ 0 0 0 8 ]
F o r a more c o m p l e t e u n d e rs t an d i n g o f e x a m
p l e
embodiments
f
h e p r e s e n t i n v e n t i o n , r e f e r e n c e i s
now made
t o
t h e f o l l o w i n g d e s c r i p t i o n s t a k e n i n c
o n n e c t i o n w i t h t h e
a c c o m p a n y i n g
d r a w i n g s
i n w h i c h :
[ 0 0 0 9 ] F I G . 1 i l l u s t r a t e s a n
example
w i r e l e s s s y s t e m i n
a c c o r d a n c e w i t h
an example
embodiment
f t h e i n v e n t i o n .
[ 0 0 1 0 ] F I G . 2 i l l u s t r a t e s an example
method
f o r measure
ment g a p p a t t e r n f o r c a r r i er
a g g r e g a t i o n
i n
a c c o r d a n c e w i t h
a n
e x a m p l e embodiment
f
t h e i n v e n t i o n ;
[ 0 0 1 1 ]
F I G . 3 a i l l u s t r a t e s a n e x a m p l e
c a r r i e r
a g g r e g a t i o n
with mini
g a p s f o r measurements i n
accordance with
an
e x a m p l e e m b o d i m e n t o f t h e i n v e n t i o n
;
[ 0 0 1 2 ]
F I G .
3 b i l l u s t r a t e s
a n
e x a m p l e c a r r i e r a g g r e g a t i o n
w i t h m i n i g a p s f o r
m e a s u r e m e n t s
f o r h y b r i d
a u t o m a t i c r e p e a t
r e q u e s t HARQ) o p e r a t i o n i n a c c o r d a n c e w
i th
a n
e x a m p l e
embodiment
f
t h e i n v e n t i o n ;
[ 0 0 1 3 ] F I G . 3 0 i l l u s t r a t e s
a n
e x a m p l e
g a p
p a t t e rn p e r i o d i c
i t y
i n
a c c o r d a n c e w i t h a n e x a m p l e embodiment
f t h e
i n v e n
t i o n ;
[ 0 0 1 4 ]
F I G . 4 i l l u s t r a t e s
a n
e x a m p l e a p p a r a t u s
f o r
i m p l e
m e n t i n g
a g a p p a t t e r n
f o r
c a r r i e r a g g r e g a t i o n i n a c c o r d a n c e
w i t h
a n e x a m p l e embodiment
f
t h e i n v e n t i o n ; and
[ 0 0 1 5 ] F I G . 5 i l l u s t r a t e s a n e x a m p l e w
i r e l e s s a p p a r a t u s
i n
a c c o r d a n c e w i t h
an
example
embodiment
f
t h e i n v e n t i o n .
DETAILEDDESCRIPTION
OFTHE
DRAWINGS
[ 0 0 1 6 ]
A n
e x a m p l e e m b o d i m e n t o f t h e p r es e n t i n v e
n t i o n
a n d
i t s
p o t e n t i a l a d v a n t a g e s
a r e
u n d e r s t o o d
b y r e f e r r i n g t o
F I G S . 1 t h r o u g h
5
o f t h e
d r a w i n g s .
[ 0 0 1 7 ] F I G . 1
i l l u s t r a t e s
a n example i r e l e s s
s y s t e m
1 0 0 i n
a c c o r d a n c e w i t h
an example
embodiment
o f t h e i n v e n t i o n .
The i r e l e s s 100 comprises a u s e r equipment
UE)
s u c h a s a
mobile
s t a t i o n 1 0 2 , and a b a s e s t a t i o n s u c h a s l
o n g - t e r m
e v o l u t i o n - a d v a n c e
( L T E - A ) e v o l u t i o n n o d e B e N o d e B )
1 1 0 .
The UE 02 i s connected t o t h e eNodeB v i a a component
c a r r i e r 104 and a
second
component c a r r i e r 106
t h a t
a r e
a g g r e g a t e d t o s u p p o r t h i g h e r b a n d w i d
t h
a p p l i c a t i o n .
I n t h i s
c a s e , t h e
two
component
a r r i e r s
104
and
106
a r e
c o n t i g u o u s
o r i n t r a -b a n d
c o m p o n e n t
a r r i e r s ,
m e a n i n g
h a t
t h e y s h a r e
t h e
same r a d i o f r e q u e n c y
c h a i n .
[ 0 0 1 8 ] I n o n e e x a m p l e e m b o d i m e n t ,
t h e c o m p o n e n t c a r r i e r
104 i s
a c t i v e , c a r r y i n g
a v o i c e o r d a t a c a l l
t r a ? i c and t h e
component s i n
an c t i v e s t a t e .
The component
a r r i e r
106
s
i n a c t i v e , n o t c a rr y i n g
l i v e
t r a f ? c . The UE 0 2
may
t i l l t a k e
measurements
o f b o t h
t h e component
carr iers
1 0 4 and 1 0 6 ,
and r e p o r t t h e measurements t o t h e
eNodeB
110
f o r
v a r i o u s
purposes
such
a s maintenance
and
resource a l l o c a t i o n .
I n s t e a d o f l i s t e n i n g t o
b o t h
t h e component
a r r i e r s
1 0 4 a n d
1 0 6
c o n t i n u o u s l y
a n d t a k i n g
m e a s u r e m e n t s ,
w h i c h
may b e
power consuming o t h e
UE
0 2 , t h e
UE
02 may have a
g a p
p a t t e r n t h a t d i r e c t s t h e UE
02
t o measure t h e i n a c t i v e
com
p o n e n t carrier t a
d e s i g n a t e d
p o i n t . The a p p a t t e r n may a v e
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A 1
two i n i g a p s , and two
s w i t c h i n g
p o i n t s e a c h a s s o c i a t e d w i t h
one of h e
two
mini gaps
t o mark t h e
beginning
of h e a s s o
c i a t e d m i n i g a p . At t h e
? rst
s w i t c h i n g p o i n t , t h e UE
0 2
r e t u n e s i t s r e c e i v e r
t o
a wide
bandwidth
h a t
c o v e r s both
t h e
component
carriers
1 0 4 a n d
1 0 6 .
The
m i n i
g a p
i s
s h o r t ,
and
s u f ? c i e n t f o r t h e d e v i c e 102 t o
r e t u n e
i t s r a d i o f r e q u e n c y to
s t a r t
l i s t e n i n g t o t h e
wide
a n d w i d t h . Because h e m i n i g a p i s
v e r y s h o r t , t h e i m p a c t o f t h e i n t e r r u p
t i o n on h e d a t a t r a ? i c i s
minimal. Once
t h e
measurements on a t l e a s t
t h e
i n a c t i v e
component c a r r i e r
106
a r e
t a k e n d u r i n g
t h e
g a p p e r i o d , a t
second mini g a p , t h e UE
02 r e t u n e s
i t s r e c e i v e r
back o t h e
o r i g i n a l
n a r r o w e r b a n d w i d t h c o v e r i n g
t h e a c t i v e
c o m p o n e n t
c a r r i e r 1 0 4 f o r r e g u l a r
d a t a t r a n s m i s s i o n
a n d r e c e p t i o n .
A g a i n , t h e s e co n d m i n i g a p s
s h o r t
b e c a u s e
t o n l y n e e d s o b e
s u f ? c i e n t t o r e t u n e t h e RF e c e i v e r .
[ 0 0 1 9 ] F I G . 2 i l l u s t r a t e s an example method
200 f o r mea
s u r e m e n t
g a p p a t t e r n
f o r
c a r r i e r a g g r e g a t i o n
i n
a c c o r d a n c e
w i t h a n
example embodiment
o f t h e
i n v e n t i o n . The method
200 n c l u d e s r e c ei v i n g o r
d e ? n i n g
a
g a p p a t t e r n a t
b l o c k 2 0 2 ,
r e t u n i n g
a
RF
e c e i v e r
t
2 0 4 ,
and
a k i n g
measurements on
t
l e a s t one i n a c t i v e component c a r r i e r a t
block 2 0 6 .
The
method
2 0 0 a l s o
i n c l u d e s
p o t e n t i a l l y
r e c e i v i n g o r t r a n s m i t
t i n g
d a t a
on t h e a t
l e a s t
one a c t i v e component c a r r i e r d u r i n g
t h e g a p p e r i o d a t
b l o c k 208
and e t u n i n g t h e RF e c e i v e r
t o
a
second bandwidth t b l o c k 2 1 0 .
[ 0 0 2 0 ]
I n
o n e e x a m p l e e m b o d i m e n t ,
r e c e i v i n g t h e g a p p a t
t e r n a t
block
202 may n c l u d e r e c e i v i n g a gap a t t e r n
from
an
a s s o c i a t e d
network node
such a s
t h e
eNodeB
110
of I G .
1 .
The
g a p p a t t e r n may i n c l u d e a p a i r s o f m i n i g
a p s , a
p a i r
o f
s w i t c h i n g p o i n t s
a s s o c i a t e d
w i t h
t h e
p a i r s o f t h e m i n i g a p s ,
and g a p
p e r i o d
that
i s
t h e
t i m e p e r i o d
between h e two m i n i
g a p s and may be
c o n ? g u r a b l e
i f t h e r e
i s
a
n e e d . The
network
node may
s e n d t h e
g a p p a t t e r n a l o n g
w i t h o t h e r r e s o u r c e
a l l o c a t i o n s o r g r a n t s , u s i n g a n e x i s t
i n g
p r o t o c o l
s u c h as
r a d i o
r e s o u r c e
c o n t r o l RRC) r o t o c o l . S i n c e t h e n e t w o r k
node a s
an v e r a l l
view
of e s o u r c e a l l o c a t i o n
f o r
t h e UE, h e
network
node
may c h e d u l e t h e
gap
a t t e r n
i n s u c h
a
way h a t
t h e
m i n i
g a p s may
a v o i d
i n t e r r u p t i n g t i m e
s e n s i t i v e
t r a ? i c . One way
f o r t h e network
node
t o s c h e d u l e t h e
g a p
p a t t e r n i s to
f o l l o w
a
s e t of u l e s t h a t
a r e described below.
[ 0 0 2 1 ] I n
a n o t h e r
e x a m p l e
e m b o d i m e n t , a l t e r n a t i v e l y
d e ? n i n g
t h e g a p p a t t e r n t b l o c k 2 0 2 may
n c l u d e
d e ? n i n g
t h e
g a p p a t t e r n
l o c a l l y
a t t h e UE
u c h a s
t h e
mobile
t a t i o n
102
f
FIG.
1 . Because t h e UE m y o t have an o v e r a l l
view
of
r e s o u r c e
a l l o c a t i o n s ,
a s e t
of
u l e s
may e
used
o
de?ne t h e
g a p
p a t t e r n .
The
u l e s impose
o n s t r a i n t s
on h e
g a p
p a t t e r n s .
For
x a m p l e , one u l e
may
be
h a t two
c o n s e c u t i v e m i n i g a p s
may o t be i n a same HARQ r o c e s s t o minimiZe h e
impact
on h e
HARQ r o c e s s .
Another u l e
may be h a t
a
gap
a t t e r n
p e r i o d i c i t y
i s de?ned
n s u c h
a
way h a t two
c o n s e c u t i v e
gap
p a t t e r n s a r e
s p a c e d w i t h
a t
l e a s t
a
p r e d e t e r m i n e d
amount
of
t i m e
i n
b e t w e e n .
Another u l e
may
be
t h a t
t h e g a p
p a t t e r n i s
s c h e d u l e d i n s u c h
a
way
t h a t t h e p a i r
of i n i g a p s d o e s
n o t
i n t e r r u p t
one r more designated
HARQ
rocess r
t h e num
b e r o f
m i n i
g a p p a i r s
f o r
a g i v e n p e r i o d o f t i m e i s l i m i t e d
to
a
p r e d e t e r m i n e d i m i t .
T h e s e
u l e s may l s o
b e i m p l e m e n t e d
b y
t h e
n e t w o r k
node i n s c h e d u l i n g t h e g a p p a t t e r n f o r t h
e
UE.
[ 0 0 2 2 ]
I n a n o t h e r
e x a m p l e e m b o d i m e n t , d e ? n i n g t h e g a
p
p a t t e r n
a t b l o c k 202 may a l s o i n c l u d e d e t e r m i n i n
g t h e g a p
p e r i o d
b e t w e e n
t h e
p a i r
o f m i n i
g a p s .
The g a p p e r i o d s h o u l d
be s u f ? c i e n t f o r t h e
UE
o
t a k e
measurements
of
t l e a s t t h e
i n a c t i v e
component a r r i e r s . De?ning h e g a p p a t t e r n t b l
o c k
2 0 2 may l s o i n c l u d e d e t e r m i n i n g t h e l e n
g t h s o f h e m i n i
g a p
p a i r .
The e n g t h s o f
h e
m i n i g a p p a i r
may
e same r d i f f e r e n t
A u g . 1 8 , 2 0 11
a n d
may e
c o n ? g u r a b l e ,
d e p e n d i n g
on
h e
a p p l i c a t i o n n e e d
o r UE
a p a b i l i t y . The
UE ay p t i o n a l l y
n o t i f y
t h e
a s s o c i
a t e d
network node of t s gap a t t e r n s o t h a t t h e network
node
may a k e i n t o
c o n s i d e r a t i o n
t h e g a p p a t t e r n de?ned by h e
UE
i n
a l l o c a t i n g
a n d
s c h e d u l i n g
t h e r e s o u r c e .
[ 0 0 2 3 ] I n o n e e x a mp l e e m b o d i m e n t , r e t u
n i n g
t h e
RF
r e c e i v e r a t 204 may
i n c l u d e
t u n i n g i t s
RF
e c e i v e r t o a wide
bandwidth h a t
c o v e r s a l l
a c t i v e and i n a c t i v e
component c a r
r iers s o t h a t t h e r e c e i v e r may
l i s t e n
t o a l l t h e component
carr iers f o r
t h e
m e a s u r e me n t s . B e f o r e
t h e
r e t u n i n g ,
t h e
UE
may b e i n a r e g u l a r t r a ? i c m o d e , t r a n s m it
t i n g o r r e c e i v i n g
d a t a on
t
l e a s t
one c t i v e component a r r i e r . Retuning h e
RF
r e c e i v e r t
2 0 4
may
e
t r i g g e r e d
t
t h e
? rst
s w i t c h i n g p o i n t o f
t h e ? r s t
m i n i
g a p
o f
t h e g a p p a t t e r n
a n d
may a k e o n l y v e r y
s h o r t p e r i o d
of i m e , s u c h a s 1 ms.
[ 0 0 2 4 ] I n
o n e e x a mp l e
e m b o d i m e n t , t a k i n g
m e a s u r e m e n t s
on
t l e a s t one
i n a c t i v e component
c a r r i e r at block 2 0 6 may
i n c l u d e l i s t e n i n g t o
a l l
i n a c t i v e component
carr iers
to b e
m e a s u r e d a n d t a k e m e a s u r e m e n t s o f t h e
r a d i o
s i g n a l
s t r e n g t h
a n d
o t h e r p a r a m e t e r s .
O p t i o n a l l y ,
t a k i n g
m e a s u r e m e n t s
a t
block 206
may l s o
i n c l u d e t a k i n g measure
on
at l e a s t one
a c t i v e
component a r r i e r which
may
e c a r r y i n g
a c t i v e t r a ? i c
d a t a .
Take measurements
at
block 206 may
l s o i n c l u d e
com
p l y i n g
w i t h a
s p e c i ? e d l e v e l
o f
a c c u r a c y
o f t h e measurements
and
s e n d i n g t h e
c o l l e c t e d measurements to
t h e
a s s o c i a t e d
network
node such a s eNodeB
110
of FIG.
1 .
[ 0 0 2 5 ] I n o n e e x a m p l e
e m b o d i m e n t ,
r e c e i v i n g o r t r an s m i t
t i n g d a t a d u r i n g t h e g a p p e r i o d a t b l o c
k 2 0 8 may i n c l u d e
t r a n s m i t t i n g
t r a f ? c d a t a on
h e
a t
l e a s t
one a c t i v e
component
c a r r i e r w h i l e t a k i n g m e a s u r e m e n t s .
The n o r m a l t r a ? i c
may
s t i l l be a r r i e d on
h e
a c t i v e
component
a r r i e r d u r i n g
t h e
g a p
p e r i o d
w h i l e t h e measurements a r e t a k e n .
[ 0 0 2 6 ]
I n o n e e x a mp l e e m b o d i m e n t , r e t u n i n g
t h e RF
r e c e i v e r t o a
second bandwidth a t block
210
may n c l u d e
t u n i n g t h e RF
e c e i v e r back o
a
narrow
bandwidth c o v e r i n g
t h e a t l e a s t one a c t i v e component c a r r i e r
.
The r e t u n i n g
i s
t r i g g e r e d b y t h e
s e c o n d
s w i t c h i n g p o i n t
o f
t h e
s e c o n d m i n i
g a p
and
s completed d u r i n g t h e s e c o n d
m i n i
g a p which
a s
a
n o n - l i m i t i n g
example s v e r y s h o r t
s u c h
a s 1
m s .
[ 0 0 2 7 ] I n o n e
e x a m p l e e m b o d i m e n t ,
t h e method
2 0 0 may
b e implemented n t h e UE 0 2 o f F I G . 1 o r by t h e a p p
a r a t u s
400 f I G . 4 . The method 200 s f o r i l l u s t r a t i o
n
o n l y
and h e
s t e p s o f t h e
method
200 may
b e c o m b i n e d ,
d i v i d e d ,
o r
e x e c u t e d
i n a d i f f e r e n t
o r d e r t h a n
i l l u s t r a t e d ,
w i t h o u t d e p a r t
i n g
f r o m t h e s c o p e o f t h e
i n v e n t i o n
o f
h i s
e x a m p l e
embodi
ment.
[ 0 0 2 8 ]
F I G . 3 a
i l l u s t r a t e s
a n
e x a m p l e c a r r i e r a g g r e g a t i o n
3 0 0 1 1
with mini gaps
o r measurements
i n accordance with an
e x a m p l e
e m b o d i m e n t o f t h e i n v e n t i o n . The
e x a m p l e
c a r r i e r
a g g r e g a t i o n 3 0 0 a
i n c l u d e s
t w o component a r r i e r s , CC1 a n d
CC2,
h i l e CC1
s an
c t i v e
component a r r i e r
and
CC2
s
an
i n a c t i v e component a r r i e r . The ? r s t gap p a t t
er n i n c l u d e s a
p a i r
o f m i n i g a p s
302a and
0 2 b ,
a n d
a g a p
p e r i o d
3 0 6 . The
t w o
s w i t c h i n g p o i n t s
o f
t h e g a p
p a t t e r n a r e
t h e s t a r t i n g
p o i n t
o f
two
m i n i g a p s
302a a n d
3 0 2 1 ) . D u r i n g t h e g a p
p e r i o d ,
r e c e p t i o n o f h y s i c a l down i n k c o n t r o l c h
a n n e l a n d p h y s i c a l
d o w n l i n k
s h a r e d
c h a n n e l may a k e p l a c e a l o n g
w i t h
t h e mea
s u r e m e n t s o f e i t h e r t h e
i n a c t i v e
component c a r r i e r CC2 r
b o t h t h e a c t i v e component
c a r r i e r
CC1 and i n a c t i v e compo
n e n t
c a r r i e r CC2. T r a n s m i s s i o n on
p l i n k c h a n n e l s
may a l s o
t a k e
p l a c e d u r i n g t h e g a p
p e r i o d .
The s e c o n d g a p p a t t e r n may
be
s c h e d u l e d
a c e r t a i n
p e r i o d
a fter t h e ? r s t
g a p p a t t e r n
and h e
s e c o n d g a p p a t t e r n
i n c l u d e s
a p a i r
o f
m i n i
g a p s
304a and 0 4 1 9
and
a
gap
p e r i o d 3 0 8 .
-
8/17/2019 PA3 - US20110199908
10/12
US 011/0199908
A 1
[ 0 0 2 9 ]
F I G . 3 b i l l u s t r a t e s
a n
e x a m p l e c a r r i e r a g g r e g a t i o n
3 0 0 1 9
W i t h m i n i g a p s f o r measurements
d u r i n g a h y b r i d a u t o
m a t i c r e p e a t r e q u e s t
HARQ) o p e r a t i o n
i n
a c c o r d a n c e W i t h
an example
embodiment f t h e i n v e n t i o n . The carr ier
a g g r e
g a t i o n i n c l u d e s
an
c t i v e
component
a r r i e r
CC1
and an
n a c
t i v e
component a r r i e r
CC2.
h e r e a r e e i g h t
HARQ r o c e s s e s
e x e c u t i n g on
t h e
a c t i v e
component
c a r r i e r
CC1.
The g a p
p a t t e r n i s
s c h e d u l e d
i n s u c h a Way h a t t h e p a i r o f m i n i
g a p s
312a
and 3 1 2 1 9 a r e i n t h e
HARQ
r o c e s s
2
and t h e
HARQ
p r o c e s s 7
r e s p e c t i v e l y ,
a v o i d i n g
b e i n g
i n t h e s a m e HARQ
p r o c e s s
t o m i n i m i Z e t h e
p o t e n t i a l i m p a c t
on
h e HARQ
p e r a
t i o n . S i m i l a r l y ,
t h e
p a i r o f m i n i g a p s
3 1 4 a
a n d 3 1 4 1 9
o f t h e
s e c o n d g a p
p a t t e r n
i s s c h e d u l e d i n
tWo d i f f e r e n t
HARQ r o
c e s s e s , t h e HARQ r o c e s s
4
a n d t h e HARQ r o c e s s 1 r e s p e c
t i v e l y , t o
m i n i m i Z e
t h e
i m p a c t
o f
m e a s u r e m e n t s
on h e
HARQ
o p e r a t i o n s .
HoWever,
i n some
a s e s , m i n i g a p s
may
e s c h e d
u l e d
W i t h i n t h e same HARQ
r o c e s s
i f t h e r e
i s
a
n e e d .
[ 0 0 3 0 ]
F I G .
3 0
i l l u s t r a t e s
a n
e x a m p l e
g a p
p a t t e r n p e r i o d i c
i t y 3000 i n a c c o r d a n c e W i t h
a n
example embodiment o f t h e
i n v e n t i o n . The
g a p p a t t e r n
p e r i o d i c i t y 3000 shows
a ? r s t gap
p a t t e r n 342 and a s e c o n d g a p p a t t e r n
3 4 4 .
The g a p p a t t e r n
p e r i o d i c i t y c o v e r s t h e p e r i o d f r o m t h
e b e g i n n i n g
o f
t h e ? rst
g a p
p a t t e r n 342
o t h e b e g i n n i n g o f t h e s e co n d g a p p a t t e r
n
3 4 4 . I n
o n e
e x a m p l e e m b o d i m e n t ,
t h e g a p
p a t t e r n p e r i o d i c i t y
may e
determined based on
one
or more
a c t o r s
such as a
c u r r e n t d i s c o n t i n u o u s r e c e p t i o n ,
a
s e r v i n g
c e l l t h r e s h o l d , a n d
a
transmission time i n t e r v a l .
[ 0 0 3 1 ] F I G . 4 i l l u s t r a t e s a n e x a m p l
e
a p p a r a t u s
4 0 0
f o r
i m p l e m e n t i n g
a
g a p
p a t t e r n f o r
c a r r i e r a g g r e g a t i o n i n a c c o r
d a n c e
W i t h
an example
embodiment
o f t h e i n v e n t i o n . The
a p p a r a t u s 4 0 0 i n c l u d e s a c a r r i e r a g g r
e g a t i o n CA) c o n t r o l
module 4 1 4 ,
a measurement
module 416 and
an
i n t e r f a c e
module
4 1 2 .
[ 0 0 3 2 ] I n
o n e
e x a m p l e
e m b o d i m e n t ,
t h e
i n t e r f a c e
module
412
may
b e con?gured t o r e c e i v e t h e g a p p a t t e r n from
an
a s s o c i a t e d netWork o d e .
The measurement
module 1 6
may
be con?gured t o
t a k e
measurements
o f t h e at
l e a s t
one i n a c
t i v e component
a r r i e r .
O p t i o n a l l y , t h e m e a s u r e m e n t module
416 may be con?gured t o t a k e measurements of
h e
a t l e a s t
one
c t i v e component
a r r i e r a t t h e
same i m e . The
measure
ment module
416 may be
con?gured
o de?ne
h e
g a p
p a t t e r n
p e r i o d i c i t y
based
on a t l e a s t
one
of a c u r r e n t discontinuous
r e c e p t i o n ,
a s e r v i n g c e l l t h r e s h o l d ,
and
a
t r a n s m i s s i o n t i m e
i n t e r v a l . The measurement module 416
may
e f u r t h e r con
?gured t o de?ne t h e gap p a t t e r n based on a t l e a s t
one of
f o l l o W i n g
r u l e s : d i s a ll o W i n g c o n s e c u t i v e
m e a s u r e m e n t
g a p
p a t t e r n s
i n a same
HARQ
r o c e s s , s p a c i n g tWo c o n s e c u t i v e
gap a t t e r n s W i t h a t
l e a s t a
p r e d e t e r m i n e d
amount
of
i m e
i n
b e t W e e n ; a n d
s c h e d u l i n g
t h e g a p p a t t e r n i n s u c h a Way
h a t
t h e
gap
a t t e r n
d o e s n o t
i n t e r r u p t
one
r
more
e s i g n a t e d
HARQ
p r o c e s s .
[ 0 0 3 3 ] The CA
o n t r o l
module
414
may e
c o n ? g u r e d
t o
r e t u n e
a r e c e i v e r of h e
apparatus
t o a
? r s t
bandWidth t a
? r s t
mini
gap of gap p a t t e r n Wherein h e ? r s t bandWidth c o v e r
s
a t l e a s t one
a c t i v e component a r r i e r
and t l e a s t one n a c t i v e
c o m p o n e n t c a r r i e r d u r i n g a
h y b r i d
a u t o m a t i c r e p e a t
r e q u e s t
H ARQ)
p e r a t i o n . The CA o n t r o l module 4 1 4
may l s o b e
con?gured t o
r e t u n e
t h e r e c e i v e r t o a second bandWidth at a
s e c o n d
m i n i
g a p o f
t h e
g a p
p a t t e r n
W h e r e i n
t h e
s e c o n d
band
Width c o v e r s
a t l e a s t
t h e
one a c t i v e component
a r r i e r , and
Wherein a
l e n g t h
o f t h e ? r s t m i n i g a p and a s e c o n d
l e n g t h
o f
t h e s e c o n d
m i n i
g a p a r e e q u a l l y s h o r t and
i n d e p e n d e n t
o f a
d u r a t i o n o f t a k i n g t h e m e a s u r e m e n t s
.
A u g . 1 8 , 2 0 11
[ 0 0 3 4 ] F I G . 5
i l l u s t r a t e s a n example i r e l e s s
a p p a r a t u s 5 0 0
i n a c c o r d a n c e W i t h an
example embodiment
f t h e
i n v e n t i o n .
The W i r e l e s s a p p a r a t u s 500 may
n c l u d e
a p r o c e s s o r
5 1 5 ,
a
memory 514 c o u p l e d t o
t h e p r o c e s s o r 5 1 5 ,
and
a
s u i t a b l e
t r a n s c e i v e r
513
( h a v i n g
a t r a n s m i t t e r
TX) and
a r e c e i v e r
( R X ) ) c o u p l ed t o t h e
p r o c e s s o r 5 1 5 ,
c o u p l e d t o
a n
a n t e n n a
u n i t 5 1 8 .
The
memory
514 may t o r e
programs
such
a s
a
c a r r i e r a g g r e g a t i o n
c o n t r o l
and
measurement
module 5 1 2 .
[ 0 0 3 5 ]
I n an example embodiment, t h e p r o c e s s o r 515 o r
some
t h e r form f g e n e r i c c e n t r a l
p r o c e s s i n g
u n i t
CPU)
r
s p e c i a l - p u r p o s e
p r o c e s s o r s u c h
a s d i g i t a l s i g n a l
p r o c e s s o r
( D S P ) , may
p e r a t e
t o c o n t r o l t h e v a r i o u s c o m p o n e n t s o f t
h e
W i r e l e s s
a p p a r a t u s 500
i n
a c c o r d a n c e W i t h embedded
s o f t
Ware
r ?rmWare s t o r e d i n memory
1 4
r s t o r e d i n memory
c o n t a i n e d W i t h i n t h e p r o c e s s o r 515 t s e
l f . I n a d di t i o n
t o
t h e
embedded s o f t W a r e o r ?rmWare, t h e p r o c e s s o r
515
may
e x e c u t e o t h e r
a p p l i c a t i o n s
o r a p p l i c a t i o n modules s t o r e d i n
t h e
memory 14 r made v a i l a b l e
v i a W i r e l e s s
netWork com
m u n i c a t i o n s . The
p p l i c a t i o n
s o f t W a r e may
o m p r i s e
a com
p i l e d
s e t
o f
m a c h i n e - r e a d a b l e
i n s t r u c t i o n s
t h a t
c o n ? g u r e s
t h e
p r o c e s s o r 515 t o p r o v i d e
t h e d e s i r e d
f u n c t i o n a l i t y ,
o r t h e
a p p l i c a t i o n s o f t W a r e may
e
h i g h - l e v e l s o f t W a r e i n s t r u c t i o n s
t o
b e p r o c e s s e d by a n i n t e r p r e t e r o r c o m p i
l e r t o
i n d i r e c t l y
c o n ? g u r e t h e p r o c e s s o r
5 1 5 .
I n a n e x a mp l e e m b o d i m e n t , t h e
mapping 512 may be con?gured t o a l l o c a t e one o r
more
a d d i t i o n a l component c a r r i e r s t o a u s e r
equipment
When
need a r i s e s and t h e r e s o u r c e s a r e a v a i l a b
l e i n
c o l l a b o r a t i o n
With
t h e r modules
such
a s t h e t r a n s c e i v e r
5 1 3 .
[ 0 0 3 6 ]
I n
a n
e x a m p l e
e m b o d i m e n t , t h e c a r r i e r a g g r e g a t i o
n
c o n t r o l and measurement
module 512 may
be con?gured t o
retune r e c e i v e r
t o
a
? r s t bandWidth t
a
? r s t mini
gap of gap
p a t t e r n
Wherein
h e ? r s t bandWidth c o v e r s at l e a s t one a c t i v
e
component
c a r r i e r and t l e a s t
one
i n a c t i v e
component c a r
r i e r . The
c a r r i e r
a g g r e g a t i o n
c o n t r o l
and
measurement mod
u l e
512
may be con?gured t o t a k e measurements o f t h e a t
l e a s t one a c t i v e
component
c a r r i e r and
p t i o n a l l y
t a k e mea
s u r e m e n t s of
h e
a t l e a s t one i n a c t i v e
component
a r r i e r , and
r e t u n e
t h e
r e c e i v e r
t o a second bandWidth t a second mini gap
of t h e gap p a t t e r n Wherein t h e second bandWidth c o v
e r s at
l e a s t t h e one a c t i v e component a r r i e r .
The
l e n g t h
o f
t h e ? r s t
mini gap and
a
second l e n g t h of
t h e
second mini gap
a r e
e q u a l l y s h o r t
a n d
i n d e p e n d e n t o f
a
d u r a t i o n o f t a k i n g
t h e
measurements.
[ 0 0 3 7 ] I n
o n e e x a m p l e e mb o d i m e n t ,
t h e
t r a n s c e i v e r 5 1 3 i s
f o r b i d i r e ct i o n a l W i r e l e s s
communications
i t h
a n o t h e r W i r e
l e s s d e v i c e . The
r a n s c e i v e r
5 1 3 may r o v i d e f r e q u e n c y s h i f t
i n g , c o n v e r t i n g r e c e iv e d
RF
s i g n a l s t o b a s e b a n d a n d c o n v e r t
i n g
b a s e b a n d t r a n s m i t s i g n a l s t o R F , f o r e
x a m p l e . I n some
d e s c r i p t i o n s a r a d i o t r a n s c e i v e r o r RF
r a n s c e i v e r may
be
u n d e r s t o o d t o i n c l u d e o t h e r s i g n a l
p r o c e s s i n g
f u n c t i o n a l i t y
s u c h a s
m o d u l a t i o n / d e m o d u l a t i o n ,
c o d i n g / d e c o d i n g ,
i n t e r
l e a v i n g / d e i n t e r l e a v i n g ,
s p r e a d i n g / d e s p r e a d i n g , i n v e r s e
f a s t
f o u r i e r t r a n s f o r m i n g
I F F T ) /
a s t f o u r i e r
t r a n s f o r m i n g F F T ) ,
c y c l i c p r e ? x a p p e n d i n g / r e m o v a l , a n
d
o t h e r
s i g n a l p r o c e s s i n g
f u n c t i o n s .
I n some e m b o d i m e n t s , t h e
t r a n s c e i v e r 5 1 3 , p o r
t i o n s o f
t h e
a n t e n n a
u n i t 5 1 8 , and an a n a l o g baseband p r o
c e s s i n g u n i t
may e combined
n
one
r more r o c e s s i n g
u n i t s
a n d / o r
a p p l i c a t i o n
s p e c i ? c
i n t e g r a t e d
c i r c u i t s
( A S I C s ) . P a r t s
o f t h e
t r a n s c e i v e r
may b e
i m p l e m e n t e d i n
a ? e l d - p r o g r a m
m a b l e g a t e a r r a y
FPGA) o r
r e p r o g r a m m a b l e s o f t W a r e - d e
?ned
a d i o .
[ 0 0 3 8 ]
I n
o n e
e x a m p l e e m b o d i m e n t , t h e t r a n s c e i v e
r
5 1 3
may
n c l u d e
a ? l t e r i n g
a p p a r a t u s
f o r n o n - c e n t e r e d component
carriers
s u c h
a s
t h e ? l t e r i n g
a p p a r a t u s 3 0 0 . As
s u c h , t h e
-
8/17/2019 PA3 - US20110199908
11/12
US 011/0199908
A 1
? l t e r i n g a p p a r a t u s may
n c l u d e
a p r o c e s s o r of t s oWn and t
l e a s t
one
memory n c l u d i n g computer program c o d e . The
t
l e a s t one
memory
and
h e
computer progr am
o d e
con?gured
t o ,
W i t h
t h e p r o c e s s o r , c a u s e t h e
? l t e r i n g
a p p a r a t u s to p e r f o r m
a t
l e a s t
t h e f o l l o w i n g :
c o n v e r t i n g
a
? r s t
f r e q u e n c y
s i g n a l i n t o
a second
f r e q u e n c y s i g n a l
based at least i n p a r t
on
a ? r s t
c o m p l e x - v a l u e d
l o c a l o s c i l l a t o r
s i g n a l ;
? l t e r i n g
t h e
s e c o n d
f r e q u e n c y s i g n a l ;
a n d c o n v e r t i n g
t h e ?l t e r e d
s e c o n d f r e
q u e n c y s i g n a l
i n t o a t h i r d f r e q u e n c y
s i g n a l
b a s e d
a t
l e a s t
i n
p a r t on
a
s e c o n d c o m p l e x - v a l u e d l o c a l o s c i l l a
t o r s i g n a l
W h e r e i n t h e t h i r d f r e q u e n c y s i g n a l
shares a f r e q u e n c y p o s i
t i o n W i t h t h e ? r s t f r e q u e n c y s i g n a l a n
d t h e
? r s t
c o m p l e x
v a l u e d l o c a l o s c i l l a t o r
s i g n a l
a n d t h e s e c o n d co m p l e x - v a l u e d
l o c a l
o s c i l l a t o r s i g n a l i n d i c a t e a l l o c a t i
o n s
o f t r a n s m i t t e d
c h a n n e l s .
[ 0 0 3 9 ] I n a n example e m b o d i m e n t ,
t h e
a n t e n n a u n i t
518
may b e
p r o v i d e d t o c o n v e r t
betWeen W i r e l e s s s i g n a l s and
e l e c t r i c a l s i g n a l s ,
e n a b l i n g
t h e
W i r e l e s s a p p a r a t u s 5 0 0
o
s e n d
and
r e c e i v e information
from
a
c e l l u l a r netWork or
s o m e
o t h e r
a v a i l a b l e
W i r e l e s s
communications netWork r from a
p e e r W i r e l e s s d e v i c e . I n an
embodiment,
t h e a n t e n n a
u n i t
518
may
n c l u d e m u l t i p l e a n t e n n a s t o
s u p p o r t
beam o r m i n g
a n d /
o r m u l t i p l e i n p u t m u l t i p l e o u t p u t
MIMO)
p e r a t i o n s .
As s
knoWn
t o t h o s e s k i l l e d i n t h e a r t ,
MIMO
p e r a t i o n s may
p r o v i d e s p a t i a l d i v e r s i t y a n d u l t i p l
e p a r a l l e l c h a n n e l s
W h i c h
can be
used
t o
overcome d i ? i c u l t channel c o n d i t i o n s
and/or
i n c r e a s e
c h a n n e l t h r o u g h p u t .
The
a n t e n n a u n i t
518
may
i n c l u d e a n t e n n a t u n i n g a n d / o r i m p e d a
n c e m a t c h i n g compo
n e n t s , RF o W e r a m p l i ? e rs , a n d / o r
l o W
n o i s e a m p l i ? er s .
[ 0 0 4 0 ]
As
shoWn n F I G .
5 ,
t h e W i r e l es s a p p a r a t u s
5 0 0
may
f u r t h e r i n c l u d e
a measurement n i t 5 1 6 , Which
measures
t h e
s i g n a l s t r e n g t h l e v e l t h a t i s r e c e i v e
d f r o m a n o t h e r
W i r e l e s s
d e v i c e , and compare
t h e
measurements W i t h
a
con?gured
t h r e s h o l d .
The
measurement
n i t
may
e
u t i l i Z e d
by h e W i r e
l e s s a p p a r a t u s
5 0 0
i n
c o n j u n c t i o n
W i t h v a r i o u s
e x e m p l a r y
embodiments
o f
t h e
i n v e n t i o n ,
as d e s c r i b e d
h e r e i n .
[ 0 0 4 1 ]
I n g e n e r a l , t h e
v a r i o u s
e x e m p l a r y e m b o d i m e n t s o f
t h e
W i r e l e s s
a p p a r a t u s 500
may n c l u d e ,
b u t a r e n o t l i m i t e d
o ,
p a r t of a
user
equipment, or a Wireless device such a s a
p o r t a b l e
c o m p u t e r h a v i n g W i r e l e s s c o m m u n i c a t
i o n c a p a b i l i
t i e s , I n t e r n e t a p p l i a n c e s p e r m i t t i n
g W i r e l e s s I n t e r n e t a c c e s s
and
b r o W s i n g ,
a s W e l l
a s p o r t a b l e
u n i t s
o r t e r m i n a l s
t h a t
i n c o r p o r a t e
c o m b i n a t i o n s
o f
s u c h f u n c t i o n s .
[ 0 0 4 2 ] W i t h o u t i n a n y Way
l i m i t i n g
t h e s co p e ,
i n t e r p r e t a
t i o n , o r a p p l i c a t i o n o f t h e c l a i m s a p p
e a r i n g b e l o W , a t e c h n i c a l
e f f e c t i s l e s s poWer o n s u m p t i o n b y a
UE
i a s p e c i f y i n g When
t h e
UE
s a l l o W e d o
c h a n g e
r e c e p t i o n b a n d W i d th f o r p e r f o r m
i n g m o b i l i t y m e a s u r e m e n t s .
A n o t h e r
t e c h n i c a l e f f e c t i s to
a l l o W
t h e
UE
o
u t i l i Z e o n l y
p a r t
o f
t h e RF
c h a i n
to
a c h i e v e
some poWer consumption
g a i n s
i n a s i t u a t i o n Where t h e c a r
r i e r
components
a r e
c o n t i g u o u s b u t n o t
a l l
t h e s e
component
c a r r i e r s
a r e a c t i v e .
[ 0 0 4 3 ] Embodiments
o f
t h e p r e s e n t i n v e n t i o n may
b e
i m p l e m e n t e d i n
s o f t W a r e ,
h a r d W a r e , a p p l i c a t i o n
l o g i c
o r
a
c o m b i n a ti o n o f s o f t W a r e ,
h a r d W a r e
a n d a p p l i c a t i o n o g i c . T h e
s o f t W ar e , a p p l i c a ti o n l o g i c a n d / o r h a
r d W a r e may e s i d e on a
b a s e
s t a t i o n o r an c c e s s p o i n t .
I f
d e s i r e d , p a r t o f h e s o f t W a r e ,
a p p l i c a t i o n
l o g i c a n d / o r h a r d W a r e
may e s i d e on
c c e s s
p o i n t ,
p a r t o f t h e s o f t W a r e , a p p l i c a t i o n l o g
i c a n d / o r
h a r d W a r e
may
r e s i d e
on
a
netWork
element
such
a s a
LTE
NodeB
and
a r t
o f h e s o f t W a r e, a p p l i c a t i o n o g i c a n d / o
r h a r d W a r e may eside
on o b i l e
s t a t i o n .
I n a n example m b o d i m e n t , t h e a p p l i c a t i o
n
l o g i c , softWare or an n s t r u c t i o n
s e t
i s maintained on
any
one
o f
a r i o u s c o n v e n t i o n a l
c o m p u t e r - r e a d a b l e m e d i a . I n t h e con
A u g . 1 8 , 2 0 11
t e x t
o f
h i s d o c u m e n t , a “ c o m p u t e r - r e a d a b l
e
medium”
may be
any
media
o r means
t h a t
can c o n t a i n , s t o r e , communicate,
propagate o r
t r a n s p o r t t h e
i n s t r u c ti o n s f o r use by
o r i n
con
n e c t i o n With an
i n s t r u c t i o n
e x e c u t i o n s y s t e m , a p p a r a t u s , o r
d e v i c e ,
such
a s
a
c o m p u t e r , With one example of computer
d e s c r i b e d
a n d
d e p i c t e d
i n F I G .
5 .
A o m p u t e r - r e a d a b l e
medium
may
o m p r i s e a
c o m p u t e r - r e a d a b l e
s t o r a g e medium
t h a t
may e any
media
r means
t h a t
can contain or
s t o r e
the
i n s t r u c ti o n s f o r use by
o r i n
connection With an i n s t r u c t i o n
e x e c u t i o n
s y s t e m , a p p a r a t u s , o r d e v i c e , such a s
a
c o m p u t e r .
[ 0 0 4 4 ] I f
d e s i r e d ,
t h e d i f f e r e n t f u n c t i o n s d i s c u s s e d
h e r e i n
may b e p e r f o r m e d i n a d i f f e r e n t
o r d e r a n d / o r
c o n c u r r e n t l y
With each
t h e r .
F u r t h e r m o r e ,
i f
d e s i r e d , one o r more of h e
a b o v e - d e s c r i b e d f u n c t i o n s may e o p t i o
n a l o r may e com
b i n e d .
[ 0 0 4 5 ] Although a r i o u s a s p e c t s o f h e i n v e n
t i o n a r e s e t o u t
i n t h e i n d e p e n d e n t
c l a i m s ,
o t h e r a s p e c t s o f t h e in v e n t i o n
c o m p r i s e o t h e r
c o m b i n a t i o n s
o f f e a t u r e s from t h e
d e s c r i b e d
embodiments a n d / o r t h e d e p e n d e n t c l a i m s W i
t h t h e
f e a t u r e s
o f
t h e
i n d e p e n d e n t
c l a i m s ,
a n d
n o t
s o l e l y
t h e
c o m b i n a t i o n s
e x p l i c i t l y s e t o u t i n t h e c l a i m s .
[ 0 0 4 6 ]
I t i s
a l s o n o t e d h e r e i n t h a t W h i l e t h e a b o v e
d e s c r i b e s
e x a m p l e
e m b o d i m e n t s
o f
t h e
i n v e n t i o n , t h e s e d e s c r i p t i o n s
should n o t be
vieWed i n
a
l i m i t i n g s e n s e .
R a t h e r ,
t h e r e a r e
s e v e r a l v a r i a t i o n s
and m o d i ? c a t i o n s Which may be made
W i t h o u t
d e p a r t i n g
from
h e
s c o p e
o f t h e p r es e n t i n v e n t i o n a s
d e ? n e d
i n
t h e a p p e n d e d c l a i m s .
What
s
c l a i m e d i s :
1 .
A
e t h o d ,
c o m p r i s i n g :
r e t u n i n g
a r e c e i v e r
of
a u s e r equipment
UE) t o
a ? r s t
bandWidth t a ? r s t
mini gap of gap
a t t e r n Wherein h e
? r s t
bandWidth c o v e r s
a t
l e a s t one
a c t i v e component
c a r r i e r
and t l e a s t one i n a c t i v e component a r r i e r ;
t a k i n g
measurements
of
h e
a t
l e a s t one i n a c t i v e
compo
n e n t
c a r r i e r ;
a n d
r e t u n i n g
t h e r e c e i v e r
t o
a
second bandWidth
at a
second
m i n i
g a p o f
t h e g a p
p a t t e r n
W h e r e i n t h e
s e c o n d
band
Width c o v e r s a t
l e a s t t h e one a c t i v e
component c a r r i e r ,
and Wherein a l e n g t h of h e ? r s t mini gap and a
second
l e n g t h
o f t h e s e c o n d
m i n i
g a p a r e s h o r t
a n d i n d e p e n d e n t
o f
a
d u r a t i o n f o r t a k i n g
t h e
measurements.
2 . The method
f
c l a i m
1 ,
f u r t h e r
c o m p r i s i n g
r e c e i v i n g t h e
gap p a t t e r n from
an a s s o c i a t e d
netWork node r de?ning t h e
g a p
p a t t e r n a t t h e UE.
3 . The method of c l a i m 2
Wherein
t h e gap p a t t e r n
com
p r i s e s
a t l e a s t
t h e ? r s t
m i n i
g a p , t h e
second i n i gap and gap
p e r i o d betWeen
h e
? r s t m i n i
g a p
a n d
t h e s e co n d m i n i g a p .
4 .
The
method f c l a i m 3 W h e r ei n d e ? n i n g t h e g a p p a
t t e r n
a t
t h e
UE
o m p r i s e s
d i s a l l o W i n g c o n s e c u t i v e m i n i g a p s i
n
a
same
h y b r i d a u t o m a t i c
r e p e a t r e q u e s t
HARQ)
r o c e s s
d u r
i n g
a HARQ
p e r a t i o n .
5 .
The
method f c l a i m 3 W h e r ei n d e ? n i n g t h e g a p p a
t t e r n
a t
t h e UE
o m p r i s e s d e ? n i n g
a g a p p a t t e r n
p e r i o d i c i t y
i n
s u c h
a
Way
t h a t
tWo
c o n s e c u t i v e gap
p a t t e r n s a r e
spaced With a t
l e a s t
a
p r e d e t e r m i n e d
amount
of i m e i n
b e t W e e n .
6 . The method
f
c l a i m
3
W h e r ei n d e ? n i n g
t h e g a p p a t t e r n
a t t h e UE o m p r i s e s s c h e d u l i n g
t h e
g a p
p a t t e r n i n
s u c h
a
Way
t h a t t h e p a i r o f m i n i
g a p s
o f t h e g a p p a t t e r n
d o e s n o t
i n t e r r u p t
one r more designated HARQ r o c e s s e s .
7 . The
method
f c l a i m
3
Where
h e
r e c e i v e d g a p p a t t e r n i s
based
on
t
l e a s t one
of o l l o W i n g
r u l e s :
d i s a ll o W i n g c o n s e c u t i v e
m i n i g a p s i n a same
HARQ
r o
c e s s d u r i n g a HARQ p e r a t i o n ;
-
8/17/2019 PA3 - US20110199908
12/12
US 011/0199908
A 1
de?ning a gap p a t t e r n
p e r i o d i c i t y
i n
s u c h
a Way t h a t tWo
c o n s e c u t i v e gap p a t t e r n s a r e spaced W i t h
at
l e a s t
a p r e
d e t e r m i n e d
amount
f
t i m e
i n
b e t w e e n ; and
s c h e d u l i n g
t h e g a p p a t t e r n i n
s u c h
a Way t h a t t h e p a i r o f
mini
gaps
do
n o t
i n t e r r u p t
one
o r
more
d e s i g n a t e d
HARQ r o c e s s e s .
8 . The method f c l a i m 7 W h e r e i n t h e g a p p a t t e
r n p e r i o d
i c i t y i s determined based
on
t l e a s t one of c u r r e n t discon
t i n u o u s r e c e p t i o n ,
a
s e r v i n g
c e l l
t h r e s h o l d , and t r a n s m i s s i o n
t i m e c
i n t e r v a l .
9 .
The method f c l a i m
3 , f u r t h e r c o m p r i s i n g
r e c e i v i n g o r
t r a n s m i t t i n g
d a t a on
h e
a t
l e a s t one a c t i v e component
c a r r i e r
d u r i n g
t h e g a p p e r i o d .
1 0 . The method f c l a i m 1 ,
f u r t h e r c o m p r i s i n g
t a k i n g mea
surements of
h e a t l e a s t one a c t i v e component
a r r i e r .
1 1 . T h e method
f c l a i m 1 0 ,
f u r t h e r
c o m p r i s i n g
c o l l e c t i n g
t h e measurements
on
h e
a t
l e a s t one
c t i v e component
a r r i e r
a n d
t h e
a t
l e a s t i n a c t i v e component carrier
a n d
s e n d i n g t h e
c o l l e c t e d
measurements t o an
a s s o c i a t e d
netWork
node.
1 2 .
A n
p p a r a t u s ,
c o m p r i s i n g :
a c a r r i e r a g g r e g a t i o n CA) c o n t r o l
module
c o n ? g u r e d
t o
cause
to
r e t u n e
a r e c e i v e r
of
h e
apparatus t o
a
? r s t bandwidth a t
a
? r s t
m i n i gap of
a
gap
p a t t e r n
Wherein
t h e ? r s t band
Width o v e r s at l e a s t
one
c t i v e component a r r i e r and
t
l e a s t o n e i n a c t i v e
component a r r i e r ;
and
r e t u n e
t h e r e c e i v e r
t o
a
second
bandWidth
t
a
second
mini
g a p o f
t h e
g a p p a t t e r n
W h e r e i n t h e
s e c o n d
bandWidth
c o v e r s
a t l e a s t t h e one a c t i v e component c a r r i e r ,
and
Wherein l e n g t h o f h e ? r s t
m i n i
g a p and s e c o n d
l e n g t h
of h e second mini gap a r e s h o r t and i n d e p e n d e n t
of a
d u r a t i o n
f o r
t a k i n g measurements
of t h e at least
one
i n a c t i v e c o m p o n e n t c a r r i e r ; a n d
a measurement
module con?gured
o
t a k e
measurements of
h e
a t l e a s t
one
i n a c t i v e
component
c a r r i e r .
1 3 .
The
p p a r a t u s o f c l a i m 1 2 ,
f u r t h e r
c o m p r i s i n g a n n t e r
f a c e module con?gured to
r e c e i v e
t h e g a p p a t t e r n from
an
a s s o c i a t e d netWork
node
W h e r e i n t h e
r e c e i v e d g a p
p a t t e r n
i s
based on a t l e a s t one
of o l l o W i n g
r u l e s :
d i s a ll o W i n g c o n s e c u t i v e m i n i g a p s i
n
a
same h y b r i d a u t o
m a t i c
r e p e a t
r e q u e s t HARQ) r o c e s s d u r i n g
a
HARQ
o p e r a t i o n ;
de?ning a gap p a t t e r n
p e r i o d i c i t y
i n
s u c h
a Way t h a t tWo
c o n s e c u t i v e gap p a t t e r n s a r e spaced W i t
h
at least a
p r e
d e t e r m i n e d
amount
f
t i m e
i n b e t W e e n ;
and
s c h e d u l i n g
t h e g a p p a t t e r n i n
s u c h
a Way t h a t t h e p a i r o f
mini
gaps do n o t i n t e r r u p t one
o r
more d e s i g n a t e d
HARQ
r o c e s s .
1 4 .
The
a p p a r a t u s
o f c l a i m 1 2
W h e r e i n
t h e
g a p
p a t t e r n
c o m p r i s e s a t
l e a s t t h e
? r s t m i n i g a p ,
t h e
s e c o n d m i n i
g a p
and
a g a p p e r i o d
betWeen
h e ? r s t m i n i g a p and h e s e c o n d m i n i
g a p , W h e r e i n t h e g a p p e r i o d i s c o n ? g u r
a b l e .
1 5 .
The p p a r a t u s
o f
c l a i m 1 4
W h e r e i n
t h e l e n g t h o f
h e
g a p
p e r i o d i s
s u f ? c i e n t
f o r t h e measurement module to t a k e t h e
measurements
of
h e a t l e a s t one i n a c t i v e component
a r r i e r .
A u g . 1 8 , 2 0 11
1 6 .
The a p p a r a t u s o f
c l a i m
1 2 Wherein t h e measurement
module s con?gured to
de?ne
t h e
gap
p a t t e r n
based
on t
l e a s t
one f f o l l o W i n g r u l e s :
d i s a ll o W i n g c o n s e c u t i v e
m i n i g a p s i n a same
HARQ
r o
c e s s
d u r i n g
a
HARQ
p e r a t i o n ;
de?ning a g a p p a t t e r n
p e r i o d i c i t y
i n
s u c h
a Way t h a t tWo
c o n s e c u t i v e gap p a t t e r n s a r e
spaced
With
t
l e a s t a p r e
d e t e r m i n e d amount
f
t i m e i n b e t W e e n ;
and
s c h e d u l i n g
t h e
g a p
p a t t e r n i n
s u c h
a Way t h a t t h e p a i r o f
mini
gaps do n o t i n t e r r u p t one o r more d e s i g n a t e
d
HARQ r o c e s s .
1 7 . The p p a r a t u s o f c l a i m 1 2 , W h e r e i n a l
e n g t h o f t h e ? r s t
mini gap and second e n g t h of h e second mini gap a r e s h o
r t
and
s u ? i c i e n t t o r e t u n e t h e r e c e i v e r
to e i t h e r
t h e
? r s t
band
Width
r t h e
second
bandWidth.
1 8 .
The a p p a r a t u s o f c l a i m 12
Wherein t h e at least
one
a c t i v e
component c a r r i e r i s
one
of a
doWnlink
component
c a r r i e r and a n u p l i n k component c a r r i e r and W
h e r e i n t h e
a t
l e a s t one a c t i v e component c a r r i e r and t h e a t
l e a s t i n a c t i v e
component
c a r r i e r
s h a r e a same r a d i o f r e q u e n c y
c h a i n .
1 9 . A n p p a r a t u s , c o m p r i s i n g :
a t l e a s t one r o c e s s o r ; and
a t l e a s t one memory
n c l u d i n g
computer
program
code
t h e at least one memory and t h e computer program code
con?gured
o , With
h e
a t
l e a s t one
r o c e s s o r , c a u s e
t h e
a p p a r a t u s
t o p e r f o r m a t l e a s t
t h e fo l l o W i n g :
r e t u n i n g
a r e c e i v e r t o a ? r s t
bandWidth t
a ? r s t
mini
gap of
a
gap
a t t e r n
Wherein
h e ? r s t
bandWidth c o v e r s a t l e a s t
one
a c t i v e component
c a r r i e r and
a t
l e a s t one i n a c t i v e
c o m p o n e n t c a r r i e r ;
t a k i n g
measurements
of h e a t
l e a s t
one i n a c t i v e compo
n e n t
c a r r i e r ;
a n d
r e t u n i n g
t h e r e c e i v e r
t o
a
second bandWidth at
a
second
m i n i
g a p o f
t h e g a p p a t t e r n W h e r e i n t h e
s e c o n d
band
Width c o v e r s a t
l e a s t t h e
one
a c t i v e
component c a r r i e r ,
and Wherein a l e n g t h of h e ? r s t mini gap and a
second
l e n g t h
o f
t h e
s e c o n d
m i n i
g a p
a r e e q u a l l y s h o r t
a n d
i n d e p e n d e n t
o f
a d u r a t i o n o f t a k i n g t h e
m e a s u r e m e n t s .
2 0 .
The
a p p a r a t u s o f c l a i m
19 Wherein t h e at least
one
memory a n d t h e c o m p u t e r p r o g r a m
c o d e
i s
c o n ? g u r e d t o ,
With
h e
at l e a s t one
r o c e s s o r , t o f u r t h e r
cause
t h e
a p p a r a t u s
t o r e c e i v e from
an a s s o c i a t e d netWork
node
r
de?ne h e
gap
p a t t e r n a t
t h e a p p a r a t u s W h e r e i n t h e g a p
p a t t e r n c o m p r i s e s a t
l e a s t
t h e
? r s t m i n i
g a p , t h e s e c o n d
m i n i
g a p
and
g a p p e r i o d
betWeen
t h e ? r s t m i n i g a p and t h e s e c o n d m i n i g a p
and
Wherein h e gap p a t t e r n i s based
on
t l e a s t one of o l l o W i n g
r u l e s :
d i s a l l o W i n g
t h e
p a i r o f m i n i
g a p s
i n
a
same
h y b r i d
a u t o
m a t i c
r e p e a t r e q u e s t HARQ) r o c e s s
d u r i n g
a HARQ
o p e r a t i o n ;
de?ning a g a p p a t t e r n p e r i o d i c i t y i n
s u c h
a Way t h a t tWo
c o n s e c u t i v e
gap
p a t t e r n s a r e
spaced With
t
l e a s t
a
p r e
d e t e r m i n e d
amount
f
t i m e i n b e t W e e n ;
and
s c h e d u l i n g
t h e g a p p a t t e r n
i n
s u c h
a Way t h a t t h e p a i r o f
mini gaps do n o t i n t e r r u p t one o r more d e s i g n a
t e d
HARQ r o c e s s e s .
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