t strs rt r - PowerPoint PPT Presentation

■♥tr♦❞✉❝t✐♦♥ Pr❡✈✐♦✉s ❲♦r❦ Pr♦♣♦s❡❞ ❙♦❧✉t✐♦♥ ❘❡s✉❧ts ❉✐s❝✉ss✐♦♥ ❈♦♥❝❧✉s✐♦♥ ❊✣❝✐❡♥t ❈❧✉st❡r✐♥❣✲❇❛s❡❞ ❆❧❣♦r✐t❤♠ ❢♦r Pr❡❞✐❝t✐♥❣ ❋✐❧❡ ❙✐③❡ ❛♥❞ ❙tr✉❝t✉r❛❧ ❙✐♠✐❧❛r✐t② ♦❢ ❚r❛♥s❝♦❞❡❞ ❏P❊● ■♠❛❣❡s ❙t❡✈❡♥ P✐❣❡♦♥ ❙té♣❤❛♥❡ ❈♦✉❧♦♠❜❡ ❙t❡✈❡♥ P✐❣❡♦♥ ❙té♣❤❛♥❡ ❈♦✉❧♦♠❜❡ ❊✣❝✐❡♥t ❈❧✉st❡r✐♥❣✲❇❛s❡❞ ❆❧❣♦r✐t❤♠ ❢♦r Pr❡❞✐❝t✐♥❣ ❋✐❧❡ ❙✐③❡ ❛♥❞ ❙tr✉❝t✉r❛❧❙✐♠✐❧❛r✐t② ♦❢ ❚r❛♥s❝♦❞❡❞ ❏P❊● ■♠❛❣❡s

■♥tr♦❞✉❝t✐♦♥ Pr❡✈✐♦✉s ❲♦r❦ Pr♦♣♦s❡❞ ❙♦❧✉t✐♦♥ ❘❡s✉❧ts ❉✐s❝✉ss✐♦♥ ❈♦♥❝❧✉s✐♦♥ ❊✣❝✐❡♥t ❈❧✉st❡r✐♥❣✲❇❛s❡❞ ❆❧❣♦r✐t❤♠ ❢♦r Pr❡❞✐❝t✐♥❣ ❋✐❧❡ ❙✐③❡ ❛♥❞ ❙tr✉❝t✉r❛❧ ❙✐♠✐❧❛r✐t② ♦❢ ❚r❛♥s❝♦❞❡❞ ❏P❊● ■♠❛❣❡s ❙t❡✈❡♥ P✐❣❡♦♥ ✫ ❙té♣❤❛♥❡ ❈♦✉❧♦♠❜❡ ♣✐❣❡♦♥❅✐r♦✳✉♠♦♥tr❡❛❧✳❝❛ st❡♣❤❛♥❡✳❝♦✉❧♦♠❜❡❅❡ts♠t❧✳❝❛ ❉❡♣t✳ ♦❢ ❙♦❢t✇❛r❡ ❛♥❞ ■❚ ❊♥❣✐♥❡❡r✐♥❣ ➱❝♦❧❡ ❞❡ ❚❡❝❤♥♦❧♦❣✐❡ ❙✉♣ér✐❡✉r❡ ✶✶✵✵ ◆♦tr❡✲❉❛♠❡ ❖✉❡st✱ ▼♦♥tré❛❧ ◗✉é❜❡❝✱ ❈❛♥❛❞❛ ❉❡❝❡♠❜❡r ✷✱ ✷✵✶✶ ❙t❡✈❡♥ P✐❣❡♦♥ ❙té♣❤❛♥❡ ❈♦✉❧♦♠❜❡ ❊✣❝✐❡♥t ❈❧✉st❡r✐♥❣✲❇❛s❡❞ ❆❧❣♦r✐t❤♠ ❢♦r Pr❡❞✐❝t✐♥❣ ❋✐❧❡ ❙✐③❡ ❛♥❞ ❙tr✉❝t✉r❛❧❙✐♠✐❧❛r✐t② ♦❢ ❚r❛♥s❝♦❞❡❞ ❏P❊● ■♠❛❣❡s

■♥tr♦❞✉❝t✐♦♥ Pr❡✈✐♦✉s ❲♦r❦ Pr♦♣♦s❡❞ ❙♦❧✉t✐♦♥ ❘❡s✉❧ts ❉✐s❝✉ss✐♦♥ ❈♦♥❝❧✉s✐♦♥ ❖✈❡r✈✐❡✇ ♦❢ t❤❡ ♣r❡s❡♥t❛t✐♦♥ ❲❡ ✇✐❧❧ s❤♦✇ t❤❛t t❤❡ ♣r♦♣♦s❡❞ ♣r❡❞✐❝t✐♦♥ ♠❡t❤♦❞✱ ❊❏◗❙P✱ ❢♦r ❏P❊● ❛❞❛♣t❛t✐♦♥ ♦✉t♣❡r❢♦r♠s s✐❣♥✐✜❝❛♥t❧② ♦✉r ♣r❡✈✐♦✉s ✇♦r❦✳ ❚❤❡ ♣r❡s❡♥t❛t✐♦♥ ✐s str✉❝t✉r❡❞ ❛s ❢♦❧❧♦✇s✿ ■♥tr♦❞✉❝t✐♦♥ ❆❞❛♣t❛t✐♦♥ ❊①❛♠♣❧❡s Pr♦❜❧❡♠ ❉❡✜♥✐t✐♦♥ Pr❡✈✐♦✉s ❲♦r❦ Pr♦♣♦s❡❞ ❙♦❧✉t✐♦♥ ❘❡s✉❧ts ❉✐s❝✉ss✐♦♥ ❚r❛✐♥✐♥❣ Pr❡❞✐❝t✐♦♥ ❈♦♥❝❧✉s✐♦♥ ❙t❡✈❡♥ P✐❣❡♦♥ ❙té♣❤❛♥❡ ❈♦✉❧♦♠❜❡ ❊✣❝✐❡♥t ❈❧✉st❡r✐♥❣✲❇❛s❡❞ ❆❧❣♦r✐t❤♠ ❢♦r Pr❡❞✐❝t✐♥❣ ❋✐❧❡ ❙✐③❡ ❛♥❞ ❙tr✉❝t✉r❛❧❙✐♠✐❧❛r✐t② ♦❢ ❚r❛♥s❝♦❞❡❞ ❏P❊● ■♠❛❣❡s

■♥tr♦❞✉❝t✐♦♥ Pr❡✈✐♦✉s ❲♦r❦ Pr♦♣♦s❡❞ ❙♦❧✉t✐♦♥ ❆❞❛♣t❛t✐♦♥ ❊①❛♠♣❧❡s ❘❡s✉❧ts Pr♦❜❧❡♠ ❉❡✜♥✐t✐♦♥ ❉✐s❝✉ss✐♦♥ ❈♦♥❝❧✉s✐♦♥ Pr♦❜❧❡♠ ❉❡✜♥✐t✐♦♥ ❆❞❛♣t✐♥❣ ■♠❛❣❡s t♦ ●✐✈❡♥ ❈♦♥str❛✐♥ts ❲❤② ❆❞❛♣t ■♠❛❣❡s❄ ◮ ❉✐✛❡r❡♥t ❝♦♥t❡①ts✿ ▼▼❙ ◮ ❉✐✛❡r❡♥t ❝♦♥t❡①ts✿ ❯♥✐✈❡rs❛❧ ❆❝❝❡ss ❙t❡✈❡♥ P✐❣❡♦♥ ❙té♣❤❛♥❡ ❈♦✉❧♦♠❜❡ ❊✣❝✐❡♥t ❈❧✉st❡r✐♥❣✲❇❛s❡❞ ❆❧❣♦r✐t❤♠ ❢♦r Pr❡❞✐❝t✐♥❣ ❋✐❧❡ ❙✐③❡ ❛♥❞ ❙tr✉❝t✉r❛❧❙✐♠✐❧❛r✐t② ♦❢ ❚r❛♥s❝♦❞❡❞ ❏P❊● ■♠❛❣❡s

■♥tr♦❞✉❝t✐♦♥ Pr❡✈✐♦✉s ❲♦r❦ Pr♦♣♦s❡❞ ❙♦❧✉t✐♦♥ ❆❞❛♣t❛t✐♦♥ ❊①❛♠♣❧❡s ❘❡s✉❧ts Pr♦❜❧❡♠ ❉❡✜♥✐t✐♦♥ ❉✐s❝✉ss✐♦♥ ❈♦♥❝❧✉s✐♦♥ Pr♦❜❧❡♠ ❈♦♥t❡①t ▼▼❙ ✖ ❉r❛♠❛t✐s P❡rs♦♥æ Alice Alice's phone has a On the other hand, quite capable phone: Bob's phone is a Bob quite limited phone: 10 MPixel Camera, Plays media like H.264, Does not have a camera 3G, E-Mail, etc. Pictures upto 640x480 Messages up to 100K Minou ❙t❡✈❡♥ P✐❣❡♦♥ ❙té♣❤❛♥❡ ❈♦✉❧♦♠❜❡ ❊✣❝✐❡♥t ❈❧✉st❡r✐♥❣✲❇❛s❡❞ ❆❧❣♦r✐t❤♠ ❢♦r Pr❡❞✐❝t✐♥❣ ❋✐❧❡ ❙✐③❡ ❛♥❞ ❙tr✉❝t✉r❛❧❙✐♠✐❧❛r✐t② ♦❢ ❚r❛♥s❝♦❞❡❞ ❏P❊● ■♠❛❣❡s

■♥tr♦❞✉❝t✐♦♥ Pr❡✈✐♦✉s ❲♦r❦ Pr♦♣♦s❡❞ ❙♦❧✉t✐♦♥ ❆❞❛♣t❛t✐♦♥ ❊①❛♠♣❧❡s ❘❡s✉❧ts Pr♦❜❧❡♠ ❉❡✜♥✐t✐♦♥ ❉✐s❝✉ss✐♦♥ ❈♦♥❝❧✉s✐♦♥ Pr♦❜❧❡♠ ❈♦♥t❡①t ▼▼❙ ✖ ❍❡t❡r♦❣❡♥❡♦✉s ❚❡r♠✐♥❛❧s ← ❈❖▼P❆❚■❇▲❊ ← → ■◆❈❖▼P❆❚■❇▲❊✦ → ✏■♠❛❣❡ ❘✐❝❤✑ ♣r♦✜❧❡ ❊✲♠❛✐❧✱ ✏▼❡❣❛♣✐①❡❧✑ Pr♦✜❧❡ ■♠❛❣❡s � ✶✻✵✵ × ✶✷✵✵✱ ▼▼❙ ♠❡ss❛❣❡ � ✸✵✵❑❇ ❙t❡✈❡♥ P✐❣❡♦♥ ❙té♣❤❛♥❡ ❈♦✉❧♦♠❜❡ ■♠❛❣❡s � ✻✹✵ × ✹✽✵✱ ▼▼❙ ♠❡ss❛❣❡ � ✶✵✵❑❇ ❊✣❝✐❡♥t ❈❧✉st❡r✐♥❣✲❇❛s❡❞ ❆❧❣♦r✐t❤♠ ❢♦r Pr❡❞✐❝t✐♥❣ ❋✐❧❡ ❙✐③❡ ❛♥❞ ❙tr✉❝t✉r❛❧❙✐♠✐❧❛r✐t② ♦❢ ❚r❛♥s❝♦❞❡❞ ❏P❊● ■♠❛❣❡s

■♥tr♦❞✉❝t✐♦♥ Pr❡✈✐♦✉s ❲♦r❦ Pr♦♣♦s❡❞ ❙♦❧✉t✐♦♥ ❆❞❛♣t❛t✐♦♥ ❊①❛♠♣❧❡s ❘❡s✉❧ts Pr♦❜❧❡♠ ❉❡✜♥✐t✐♦♥ ❉✐s❝✉ss✐♦♥ ❈♦♥❝❧✉s✐♦♥ Pr♦❜❧❡♠ ❈♦♥t❡①t ▼▼❙ ✖ ❯s❡r✲❊①♣❡r✐❡♥❝❡ ❇❛s❡❞ ❆❞❛♣t❛t✐♦♥ Bob receives a smaller, but visually pleasing image. He may not notice the difference from the original Service provider's Alice takes a Network picture, sends to Bob Provider uses Smart Adaptation: filtering, resizing, and compression settings combined for more pleasing results ❙t❡✈❡♥ P✐❣❡♦♥ ❙té♣❤❛♥❡ ❈♦✉❧♦♠❜❡ ❊✣❝✐❡♥t ❈❧✉st❡r✐♥❣✲❇❛s❡❞ ❆❧❣♦r✐t❤♠ ❢♦r Pr❡❞✐❝t✐♥❣ ❋✐❧❡ ❙✐③❡ ❛♥❞ ❙tr✉❝t✉r❛❧❙✐♠✐❧❛r✐t② ♦❢ ❚r❛♥s❝♦❞❡❞ ❏P❊● ■♠❛❣❡s

■♥tr♦❞✉❝t✐♦♥ Pr❡✈✐♦✉s ❲♦r❦ Pr♦♣♦s❡❞ ❙♦❧✉t✐♦♥ ❆❞❛♣t❛t✐♦♥ ❊①❛♠♣❧❡s ❘❡s✉❧ts Pr♦❜❧❡♠ ❉❡✜♥✐t✐♦♥ ❉✐s❝✉ss✐♦♥ ❈♦♥❝❧✉s✐♦♥ Pr♦❜❧❡♠ ❈♦♥t❡①t ▼♦❜✐❧❡ ❇r♦✇s✐♥❣ ▼♦❜✐❧❡ ❇r♦✇s✐♥❣ ◮ ▼❛♥② ❞✐✛❡r❡♥t ❞❡✈✐❝❡s t❤❛t ❛r❡ ♥♦t ❛❧❧ ✈❡r② ❝❛♣❛❜❧❡ ◮ ❉✐✛❡r❡♥t ❜❛♥❞✇✐❞t❤s t❤❛t ❞❡♣❡♥❞s ♦♥ ❞❛t❛ ♣❧❛♥s ◮ ■♥❤❡r❡♥t❧② r✐❝❤❡r t❤❛♥ ▼▼❙ ■♠❛❣❡s ♦❢ ❛❧❧ t②♣❡s✱ ✈✐❞❡♦✱ s❝r✐♣ts✱ ❡t❝✳ ◮ ❉✐✛❡r❡♥t ❣♦❛❧s ❧✐❦❡ ♠❛①✐♠✐③✐♥❣ r❡s♣♦♥s✐✈❡♥❡ss ✇❤✐❧❡ ♠✐♥✐♠✐③✐♥❣ ❜❛tt❡r② ✉s❛❣❡ ❙t❡✈❡♥ P✐❣❡♦♥ ❙té♣❤❛♥❡ ❈♦✉❧♦♠❜❡ ❊✣❝✐❡♥t ❈❧✉st❡r✐♥❣✲❇❛s❡❞ ❆❧❣♦r✐t❤♠ ❢♦r Pr❡❞✐❝t✐♥❣ ❋✐❧❡ ❙✐③❡ ❛♥❞ ❙tr✉❝t✉r❛❧❙✐♠✐❧❛r✐t② ♦❢ ❚r❛♥s❝♦❞❡❞ ❏P❊● ■♠❛❣❡s