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2014 13th Annual Mediterranean Ad Hoc Networking Workshop (MED-HOC-NET)

978-1-4799-5258-8/14/$31.00 ©2014 IEEE 119

F1

ρ

F1 F2

2014 13th Annual Mediterranean Ad Hoc Networking Workshop (MED-HOC-NET)

120

R2

πt

γt

t

Ft

ρ(t) = ρ(Ft−1, Ft)

Rt ρ(t)

Dt = f(Rt, ρ(t))

μ σ2

Dt = μ · σ2 · 2−2Rt

ρ(t) = 1ρ(t) = 0

Dt = μ · (σ2MAX −Δσ(ρ(t))) · 2−2Rt

σ2MAX

Δσ(ρ(t))

σ2MAX

− Δσ(ρ(t))

Dt = μ · σ2MAX(1− ρ(t)) · 2−2Rt .

ρ(t) = 0

ρ(t) = 1

t Ft

t t + 1

2014 13th Annual Mediterranean Ad Hoc Networking Workshop (MED-HOC-NET)

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TA(t){0, R, 2R} R

F1 F2 R

F1

2RF2 R

0

F2

F2

F3

t t+ 1

Dt Ft

Rt ρ(t)

Ft Rt

t R(1)t t+1

R(2)t Rt = R

(1)t + R

(2)t

Ct

R(1)t +R

(2)t−1 ≤ Ct

PSNR = 10 · log10

(2552

MSE

)

π∗

T

π∗ =π

1

T

t+T−1∑τ=t

Dτ (Rτ , ρ(τ))

Cτ

2014 13th Annual Mediterranean Ad Hoc Networking Workshop (MED-HOC-NET)

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ρ(t)

Dt−2

ρ(t−1)

ρ(t)

t + 1 t + 2 Dt−1 Dt

t− 1 Rt−1

R(1)t−1

St t

St = {Dt−2, ρ(t−1), ρ(t), R

(1)t−1, Rt−1}

R(1)t ≤ Rt

πt = {Rt}Ft Rt

Ct = C

R(2)t−1

Rt−1

R(1)t = C − R

(2)t−1

Dt−1

t+ 1

St+1 = {Dt−1, ρ(t), ρ(t+1), R

(1)t , Rt}

πt+1 = {Rt+1}Dt

πt

R(1)t + R

(2)t = Rt

R(1)t ≤ Rt

R(1)t +R

(2)t−1 ≤ C

γtCt = C(γt)

t

πt = {Rt, R(1)t , R

(2)t−1} R

(2)t−1 Rt−1 − R

(1)t−1

Rt−1 − R(1)t−1 ≤ Ct 0

St = {Dt−2, ρ(t−1), ρ(t), R

(1)t−1, Rt−1, C(γt)}

{0, R, 2R}{0, 0.5R,R, 1.5R, 2R}

{0, R, 2R}μ = 1 σ2

MAX= 200

{1, 2, 4}

{0, 0.3, 0.6, 1}0

1

ρ {0, 0.3, 0.6, 1}

0 1

ρ

0 1

2014 13th Annual Mediterranean Ad Hoc Networking Workshop (MED-HOC-NET)

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λ = 1 μ = 0.5 σ2 = 1

ρ

ρ

ρ

2

ρ {0, 0.3, 0.6, 1}

{0, R, 2R}

∼ 65%

t

2014 13th Annual Mediterranean Ad Hoc Networking Workshop (MED-HOC-NET)

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ρ

ρ

ρ

n

n > 3

2014 13th Annual Mediterranean Ad Hoc Networking Workshop (MED-HOC-NET)

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