فهرست:
عنوان صفحه
فصل اول: کلیات
1-1. توان در شبکه های حسگر بی سیم ........................................................................... 1
فصل دوم: شبکه حسگر بی سیم
2-1.مقدمه .......................................................................................................................... 6
2-2. مقایسه شبکه حسگر بی سیم و شبکه Ad hoc ......................................................... 8
2-3. کاربردها ..................................................................................................................... 9
2-4. عوامل مؤثر در طراحی شبکه حسگر ......................................................................... 9
2-5. توپولوژی های مختلف شبکه .................................................................................... 11
2-6. لایه های شبکه .......................................................................................................... 14
2-7. پروتکل MAC.......................................................................................................... 16
2-8. استاندارد شبکه حسگر هوشمند ................................................................................ 17
2-8-1. استاندارد IEEE 1451.x ....................................................................................... 17
2-8-2. استاندارد IEEE 802.15.4 .................................................................................... 19
2-9. روشهای کاهش مصرف انرژی در شبکههای حسگر ............................................... 22
2-9-1. روش های چرخه وظایف ..................................................................................... 22
2-9-2.روشهای داده‌گرا ................................................................................................... 23
2-9-3.روشهای مبتنی بر قابلیت تحرک .......................................................................... 23
فصل سوم: گره در شبکه حسگر بی سیم
3-1. اجزا گره حسگر ........................................................................................................ 25
3-2. انرژی مصرفی گره حسگر ......................................................................................... 29
3-2-1. حالات کاری با توان مصرفی متفاوت ................................................................... 29
3-2-2. انرژی مصرفی میکروکنترلر ................................................................................... 33
3-2-3. مدل انرژی پردازنده .............................................................................................. 34
3-2-4. مقیاس گذاری دینامیک ولتاژ(DVS) .................................................................... 34
3-2-5. بررسی توان مصرفی چند میکروکنترلر ................................................................. 35
3-2-6. انرژی مصرفی گیرنده/ فرستنده ............................................................................ 36
3-2-7. مدل انرژی گیرنده/ فرستنده ................................................................................. 37
3-2-8. بررسی توان مصرفی دو گیرنده/ فرستنده ............................................................. 39
3-2-9. انرژی مصرفی حافظه ........................................................................................... 40
3-2-10. انرژی مصرفی حسگر ........................................................................................ 40
3-3. پروتکل‌های ارتباطی ................................................................................................. 43
3-3-1. لایه فیزیکی .......................................................................................................... 43
3-3-2. لایه پیوند داده ...................................................................................................... 44
3-3-3. لایه کاربرد ........................................................................................................... 44
3-3-4. لایه انتقال ............................................................................................................. 45
3-3-5. لایه شبکه ............................................................................................................. 46
فصل چهارم: شبیه سازی شبکه حسگر بیسیم
4-1. نرم افزارهای مورد استفاده جهت شبیه سازی شبکه ................................................. 47
4-2. شبیه سازی شبکه حسگر .......................................................................................... 48
4-2-1. گره ....................................................................................................................... 49
4-2-1-1. ماژول Node .................................................................................................... 49
4-2-2. ایستگاه ................................................................................................................. 50
4-2-2-1. ماژول ایستگاه .................................................................................................. 50
4-2-3.کامپیوتر اصلی ........................................................................................................ 51
4-2-3-1. ماژول محرک و مانیتور .................................................................................... 51
4-3. الگوریتم رمز کننده DES .......................................................................................... 51
4-3-1. DES ..................................................................................................................... 51
4-4. توضیح فایل‌های شبیه سازی ..................................................................................... 62
4-5. نتایج شبیه سازی ....................................................................................................... 63
4-6. شبیه سازی استاندارد 802.15.4 IEEE ..................................................................... 65
فصل پنجم. مدلسازی گره و محاسبه توان پردازشی
5-1. توان مصرفی .............................................................................................................. 68
5-2. تخمین انرژی در سطح تجرید گیت .......................................................................... 69
5-3. تخمین توان با استفاده از روش Macro-Model ....................................................... 70
5-3-1. آنالیز رگرسیون ...................................................................................................... 71
5-3-2. حل ماکرو مدل با رگرسیون خطی ........................................................................ 73
5-3-3. متغیرهای رگرسیون خطی ..................................................................................... 74
5-4. نتایج تخمین توان ...................................................................................................... 75
5-5. تعیین ورودی های مناسب توسط شبکه عصبی ......................................................... 79
5-5-1. پیاده سازی MLP و نتایج حاصله ......................................................................... 80
فصل ششم: نتیجه گیری و پیشنهادات
6-1. یافته های تحقیق ........................................................................................................ 82
6-2. نوآوری تحقیق در مقایسه با کارهای گذشته .............................................................. 84
6-3. پیشنهادات .................................................................................................................. 84
پیوست:
مراجع .................................................................................................................................. 86
واژه نامه .............................................................................................................................. 90
چکیده انگلیسی.................................................................................................................... 96
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