Power based scheduling algorithms for WCDMA networks
| dc.contributor.author | Mohammed Yousuf Shareef | |
| dc.date | 2006 | |
| dc.date.accessioned | 2022-05-18T07:06:19Z | |
| dc.date.available | 2022-05-18T07:06:19Z | |
| dc.degree.department | College of Computer Science and Engineering | |
| dc.degree.grantor | King Fahad for Petrolem University | |
| dc.description.abstract | ﻣﻊ اﻟﺘﻮﺳﻊ اﻟﻬﺎﺋﻞ ﻓﻲ اﺳﺘﺨﺪام اﻟﺸﺒﻜﺎت اﻟﺴﻠﻜﻴﺔ و اﻟﻼﺳﻠﻜﻴﺔ ﻓﻲ ﺧﺪﻣﺎت اﻟﺸﺒﻜﺎت , ﻣﺼﻤﻤﻮا هﺬﻩ اﻟﺸﺒﻜﺎت ﺑﺎﻻﺿﺎﻓﺔ اﻟﻰ اﻟﻌﺎﻣﻠﻴﻦ ﻋﻠﻴﻬﺎ ﻳﻌﻤﻠﻮن ﺑﺠﻬﺪ ﻟﻤﻮاآﺒﺔ اﻟﺨﺪﻣﺎت اﻟﺘﻲ ﻣﻦ اﻟﻤﺘﻮﻗﻊ ان ﺗﻈﻬﺮ ﻣﻊ هﺬا اﻟﺘﻮﺳﻊ اﻟﻬﺎﺋﻞ و اﻟﺬي ﻻ ﻧﻬﺎﻳﺔ ﻟﻪ . هﺬﻩ اﻟﺨﺪﻣﺎت ﺗﺘﻄﻠﺐ ﺷﺒﻜﺔ ﺗﺴﺘﻄﻴﻊ اﻟﺘﻌﺎﻣﻞ ﻣﻊ ﻣﺘﻄﻠﺒﺎت آﻞ ﻣﺴﺘﺨﺪم . و ﻣﻦ اﻟﻮا ﺿﺢ أن هﺬﻩ اﻟﻤﻬﻤﺔ ﺗﻤﺜﻞ ﺗﺤﺪﻳًﺎ آﻴﺒﺮًا ﺧﺼﻮﺻًﺎ و أﻧﻨﺎ ﻧﺤﺘﺎج اﻟﻰ ﺗﻮﻓﻴﺮ ﺧﺪﻣﺔ ﻧﻮﻋﺒﺔ ﺗﻼﺋﻢ ﺣﺎﺟﺎت آﻞ زﺑﻮن ﻋﻠﻰ ﺣﺪة , و ﻟﺬﻟﻚ وﺟﺐ ﻋﻠﻴﻨﺎ اﻋﺪاد ﺧﻄﻂ ﻣﺠﺪوﻟﺔ ﻗﺎﺑﻠﺔ ﻟﻠﺘﻜﻴﻒ ﻣﻊ ﻣﺜﻞ هﺬﻩ اﻷوﺿﺎع . اﻟﻤﻄﻠﻊ ﻋﻠﻰ هﺬا اﻟﻤﻮﺿﻮع ﻳﻼﺣﻆ آﻤًﺎ آﺒﻴﺮًا ﻣﻦ اﻟﻄﺮوﺣﺎت اﻟﻤﻘﺪﻣﺔ ﻟﺘﺤﻘﻴﻖ هﺬا اﻟﻬﺪف . ﻓﻲ هﺬﻩ اﻟﺮﺳﺎﻟﺔ ﻳﺘﻢ اﻋﺪاد اﻟﻤﺠﺪول ﺑﺤﻴﺚ ﻳﺴﺘﻄﻴﻊ أن ﻳﻮزع ﻣﻮارد اﻟﺸﺒﻜﺔ ﻋﻠﻰ اﻟﻤﺴﺘﺨﺪﻣﻴﻦ ﺑﺸﻜﻞ ﻓﻌﺎل و ﺑﻀﻤﺎن اﻟﺨﺪﻣﺔ اﻟﻨﻮﻋﻴﺔ اﻟﺘﻲ ﻳﺤﺘﺎﺟﻬﺎ آﻞ ﻣﺴﺘﺨﺪم ﺣﻴﺚ ﺳﻴﻌﻤﻞ ﻋﻠﻰ ﺗﺨﺼﻴﺺ اﻟﻤﻮارد ﺑﻨﺎًء ﻋﻠﻰ ﺣﺠﻢ اﻟﻄﺎﻗﺔ اﻟﻤﺴﺘﻬﻠﻜﺔ ﻟﺪى آﻞ ﻣﺴﺘﺨﺪم ﺑﺎﻹﺿﺎﻓﺔ ﻟﺬﻟﻚ ﺳﻨﺴﺘﻔﻴﺪ ﻣﻦ اﻟﻤﺠﺪول ﺑﺨﻮارزﻣﻴﺔ اﻟ (Earliest Deadline First) ﺨﻂ اﻟﺬي ﻳﻤﻮت أوًﻻ واﻟﺘﻲ ﺗﻤﺘﺎز ﺑﺄداء ﻣﻤﺘﺎز وأﻗﻞ ﺗﺄﺧﻴﺮ ﻣﻤﻜﻦ . ﻋﺪة اﺷﻜﺎل ﻣﻦ هﺬا اﻟﻤﺠﺪول ﺗﻢ اﻗﺘﺮاﺣﻬﺎ وﻣﻨﻬﺎ ﻋﻠﻰ ﺳﺒﻴﻞ اﻟﻤﺜﺎل ﻻ اﻟﺤﺼﺮ : اﻟﻤﺠﺪول ﺑﺨﻮارزﻣﻴﺔ اﻟﺨﻂ اﻟﺬي ﻳﻤﻮت اوﻻ " ذا اﻟﻄﺎﻗﺔ اﻷدﻧﻰ , اﻟﻤﺠﺪول ﺑﺨﻮارزﻣﻴﺔ اﻟﺨﻂ اﻟﺬي ﻳﻤﻮت اوﻻ "ذا اﻟﻄﺎﻗﺔ اﻷﻋﻠﻰ , اﻟﻤﺠﺪول ﺑﺨﻮارزﻣﻴﺔ اﻟَﺨّﻂ اﻟﻤﻴﺖ أوًﻻ و ﻣﺘﻌﺪد اﻟﺤﺰم ذا اﻟﻄﺎﻗﺔ اﻻدﻧﻰ , اﻟﻤﺠﺪول ﺑﺨﻮارزﻣﻴﺔ اﻟَﺨّﻂ اﻟﻤﻴﺖ أوًﻻ و ﻣﺘﻌﺪد اﻟﺤﺰم ذا اﻟﻄﺎﻗﺔ اﻷﻋﻠﻰ . CDMA ﺗﻢ ﻋﻤﻞ ﺗﺠﺎرب ﻣﺤﺎآﺔ ﻋﺪﻳﺪة ﺑﺎﻓﺘﺮاض ﺷﺒﻜﺔ ﻟﻬﺎ ﺗﺴﻌﺔ ﻋﺸﺮ ﺧﻠﻴﺔ . اﻟﺘﺠﺎرب أﻇﻬﺮت أداءًا ﻣﺘﻤﻴﺰًا ﻣﻦ ﺧﻼل ﻧﺘﺎﺋﺞ اﻟﺘﺪﻓﻖ و ﺗﺄﺧﻴﺮ اﺳﺘﻼم اﻟﺤﺰم ﻋﻨﺪ اﻻﺣﻤﺎل اﻟﻤﺘﻮﺳﻄﺔ و xxi اﻟﻤﻨﺨﻔﻀﺔ ﺑﺎﻹﺿﺎﻓﺔ ﻟﺬﻟﻚ اﺗﻀﺢ أن اﺣﺘﻤﺎﻻت ﻓﻘﺪان اﻟﺤﺰم ﻗﻠﻴﻠﺔ ﺑﺎﻟﻤﻘﺎرﻧﺔ ﻣﻊ اﻟﻤﺠﺪول ﺑﺨﻮارزﻣﻴﺔ اﻟﺨﻂ اﻟﺬي ﻳﻤﻮت اوﻻ " اﻻﺻﻠﻲ و اﻟﻤﺠﺪول ﺑﻄﺮﻳﻘﺔ ﺑﺨﻮارزﻣﻴﺔ اﻟَﺨّﻂ اﻟﻤﻴﺖ أوًﻻ و ﻣﺘﻌﺪد اﻟﺤﺰم . ﺑﺎﻟﻤﻘﺎرﻧﺔ ﻣﻊ هﺬﻳﻦ اﻟﻤﺠﺪوﻟﻴﻦ ﻓﺈن % اﺣﺘﻤﺎﻻت اﻟﻔﻘﺪان اﻧﺨﻔﻀﺖ ﺑﺤﻮاﻟﻲ . | |
| dc.identifier.other | 4611 | |
| dc.identifier.uri | https://drepo.sdl.edu.sa/handle/20.500.14154/2553 | |
| dc.language.iso | en | |
| dc.publisher | Saudi Digital Library | |
| dc.thesis.level | Master | |
| dc.thesis.source | King Fahad for Petrolem University | |
| dc.title | Power based scheduling algorithms for WCDMA networks | |
| dc.type | Thesis |