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Cross Layer Time Synchronization in Wireless Sensor Networks

Thesis Info

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External Link

Author

Hashmi, Muhammad Usman

Program

PhD

Institute

Iqra University

City

Islamabad

Province

Islamabad

Country

Pakistan

Thesis Completing Year

2015

Thesis Completion Status

Completed

Subject

Applied Sciences

Language

English

Link

http://prr.hec.gov.pk/jspui/bitstream/123456789/2831/1/Usman%20Hashmi%20PhD%20Thesis.pdf

Added

2021-02-17 19:49:13

Modified

2024-03-24 20:25:49

ARI ID

1676725801816

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Accomplishing synchronized time remains an essential task for most disseminated networks. Time synchronization obliges an exceptional blend of high precision and energy efficiency. A few application layer protocols have been proposed to meet these necessities. This research work endorse that the symbol timing recuperation procedure can give application layer clock skew estimate and the application layer clock can be amended with the assistance of this estimate. This cross layer methodology diminishes the quantity of message trades needed by application layer for time synchronization which stimulates energy preservation. It contends that such a cross layer methodology can give a more exact skew estimation, or on the other hand can accomplish more noteworthy energy efficiency, for a given precision, by diminishing the message trades. Examination of proposed strategy, simulation results, experimentation outcomes and mathematical analysis demonstrates that physical layer clock skew can be utilized to adjust application layer clock skew as they are derived from hardware clock within the node. Analysis of proposed method provides concrete bounds on achieved improvement.
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2۔ قتل شبہ عمد

2۔ قتل شبہ عمد
امام ابو حنیفہ ؒ کے نزدیک قتل شبہ عمد سے مراد
"قصد اور ارادہ کے ساتھ ایسی چیز سے مارے جو ہتھیار نہیں ہے اور نہ ہی وہ چیز قائم مقام ہتھیار کے ہے۔ "193
امام ابو یوسف ؒ اور امام محمد ؒ کے نزدیک قتل شبہ
"قصد اور ارادہ کے ساتھ ایسی چیز سے مارا جائے جس سے عام طور پر انسان کی موت واقع نہیں ہوتی ۔ اس مذکورہ صورت کو قتل شبہ عمد کہنے کی وجہ یہ ہے کہ ایسا آلہ استعمال کرنے کی وجہ سے جس سے عام حالات میں انسان ہلاک نہیں ہوتا ، قصداً اور بلارادہ قتل کرنے کے معنی ادھورے اور ناتمام رہ جاتے ہیں کیونکہ ایسے آلہ کے ذریعے مارنے سے قتل کرنے کے علاوہ دوسرا مقصد بھی ہو سکتا ہے، مثلاً تادیب، ڈرانا ، خوف زدہ کرنا ۔ لہذا اگر ایسے آلہ سے مارنے سے موت واقع ہو گئی تو وہ قتل شبہ عمد کہلائے گا۔ "194
قتل شبہ عمد کے احکام
1۔ قاتل گناہ گار ٹھہرے گا۔
2۔ قاتل پر کفارہ واجب ہوتا ہے اس لیے کہ اس قتل کو قتل خطا ء کے ساتھ مشابہت ہے ۔
3۔ تیسرا حکم قاتل کی مدد گار برادری پر دیت مغلظہ واجب ہو گی۔
عبداللہ بن عمرو  سے روایت ہے رسول اللہ ﷺنے دیت مغلظہ کے بارے میں ارشاد فرمایا
" قَتِيلُ السَّوْطِ وَالْعَصَا، مِائَةٌ مِنَ الْإِبِلِ، أَرْبَعُونَ مِنْهَا خَلِفَةً، فِي بُطُونِهَا أَوْلَادُهَا ۔ "195
" شبہ عمد یعنی خطا کا مقتول وہ ہے جو کوڑے یا لکڑی (چھڑی ، معمولی لکڑی) سے مارا جائے، اس میں سو 100 اونٹ ہیں دیت کے طور پر ، ان سو اونٹوں میں چالیس 40 ایسی اونٹنیاں ہیں جو حاملہ ہوں ۔ "
دیت مغلظہ یا تغلیظ دیت
چوتھا حکم قاتل ، مقتول...

حالت امن کے قواعد کلیہ: فقہائے کرام کی آراء کی روشنی میں

The value of Shari’ah Maxims is realized all over the world. These maxims keep a superlative significance over all legal maxims as their sources are based on Qur’ān and Sunnah that is the real source of islamic law. Shari’ah Maxims such a important subject of islamic law that simplifies the interpretation of shari’ah. If the Shari’ah Maxims are inculcated and conceived properly then there is no need to burn midnight oil in learning the large number of sub-titles of Shari’ah. The fiqh defines the Shari’ah Maxims as the principles organized. This article explores the Four important Shari’ah Maxims relating to peace  and ethics of a muslim state towards its non-muslim residants. It includes the meanings, arguments and real life examples about these maxims. These maxims are: (الذمی من اھل دارنا کالمسلم)Zimmies are considered equalent to the muslims of state.(الامر بیننا وبین الکفار مبنی علی المجازاۃ)The relations between muslims and non-muslims countries are based on equality.(ان حرمۃ قتل المستامن من حق اللہ تعالی)Those who have the entry into the muslim state with permit and peaceful intention, must be protected and neither be killed nor be harmed.(عبارۃ الرسول کعبارۃ المرسل)Any ambassador of the state will be considered the real representative of the sender who can completely deal all the things on behalf of his sender. Today it’s the dire need of the time to implement these Shari’ah Maxims generaly for the humanity and especially for Muslims Countries to solve the critical issues, because today the world needs peace the most as it was needed never before.

Outcomes of Turco’S Procedure for Idiopathic Clubfoot Among Children at French Medical Institute for Mothers and Children from January 2011 to July 2016

Background: Clubfoot known as Congenital Talipes Equino Varus Deformity (CTEV) is one of the most common congenital foot deformities. Affect 1-2/1000 live births worldwide. Males are more affected with Club foot compared to female. Idiopathic clubfeet was considered 80% as isolated birth defects and 20% are syndromic or neurogenic. Objective: 1. To estimate the demographic characteristics of patients with clubfoot at FMIC, Kabul, Afghanistan from 2011 to July 2016. 2. To determine the outcomes of Turco’s Procedure for idiopathic clubfoot among children from 2011 to July 2016 at Paediatric Orthopaedic Department of FMIC, Kabul, Afghanistan.Methodology: A descriptive case series study design is used to determine the outcomes of Turco’s Procedure for idiopathic clubfoot among children at Paediatric Orthopaedic Department of French Medical Institute for Mothers and Children (FMIC), Kabul, Afghanistan during January 2011 to July 2016. Records of 99 participants with 151 feet who had undergone Turco’s procedure were clinically and radiologically assessed and followed for 3 years. Self-developed structured questionnaire was used by applying consecutive sampling technique. Age range of the study participants was from nine months to five years. The descriptive analysis was done, using SPSS Version 22. Mean and standard deviation (SD) were calculated for Quantitative continuous/discrete variables. Frequency and proportions were calculated for categorical variables. T- test for two independent samples and Chi-square test also were run for few variables.Result: Out of 99 participants, 67(67.7%) males and 32(32.3%) females were affected; males were affected twice as often as girls. 52 (52.5%) participants were bilaterally, 26 (26.3%) Right side and 21 (21.2%) were Left side affected. 25 (25.3%) participants had positive family history. Hospital length of stay at hospital was 1.7 days (1 to 7 days). Participant’s feet were assessed clinically and radiologically. The results showed that Turco’s procedure in 79.8% of participants was successful and 20.2% of them had developed some kinds of complications. Family satisfaction rate was 89% found in the study. Conclusion: Clubfoot is one of the most common congenital foot deformities and patients with idiopathic clubfoot can be successfully treated in most of the cases by Turco’s procedure; Outcome of the surgery will be better if patient gets treatment at appropriate age. Overall, an 80% success rate of Turco’s procedure was found in this study