( ) ( ) −

=

=

768978-1-4673-4805-8/12/$31.00 c©2012 IEEE

( )ωω

δ δ

( )( )[ ] ( )( )[ ]−+−−= δωδω

∈ω∈ω

•

•

( ) ( )+ = + − + −

( ) ( ) )+ += × + − + −

( )+

+ −= − × +

+ += +

ℜ∈ψ+∞

∞−

= ψψ

>ℜ∈ℜ∈−

= ψψ

ψ

2012 World Congress on Information and Communication Technologies 769

∞+

∞−

∞<= ωω

ωψπψ

ωψ ωψ

ωψπ

ωψ −+∞

∞−

×=

ψ

( )( ) ( )

( ) ( ) ≤−×+

>−×+=

σσ

σσ

ψψσ ==

ψ

−

=ψ

−

=σ

ψ

××−

σ

+−×−=

ωξ

ωξ

ωξ

ωξ

ωξ

ωξ

770 2012 World Congress on Information and Communication Technologies

ωξ

2012 World Congress on Information and Communication Technologies 771

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1-80

-70

-60

-50

-40

-30

-20

-10

0

10

PMRGAPSOPSOCFIWAPSOCFIWA-WM

0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 0.95 10.7

0.75

0.8

0.85

0.9

0.95

1

1.05

1.1

1.15

PMRGAPSOPSOCFIWAPSOCFIWA-WM

0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 0.95 10.7

0.75

0.8

0.85

0.9

0.95

1

1.05

1.1

1.15

PMRGAPSOPSOCFIWAPSOCFIWA-WM

0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.450

0.01

0.02

0.03

0.04

0.05

0.06

0.07

0.08

0.09

0.1

PMRGAPSOPSOCFIWAPSOCFIWA-WM

0 10 20 30 40 50 60 70 80 90 1002

2.5

3

3.5

4

4.5

5

0 20 40 60 80 100 120 140 160 180 2001

2

3

4

5

6

7

8

9

10

11

772 2012 World Congress on Information and Communication Technologies

2012 World Congress on Information and Communication Technologies 773