SlideShare a Scribd company logo
1 of 1
Download to read offline
Question 5
Explain the reason synchronization may be needed in the following protocols and when (i.e., in
which mode or situation) would this synchronization be needed:
- ALOHA -
IEEE 802.15.4
- LEACH

More Related Content

More from sunilkhetpal

Quer�a ayuda con el estudio de caso de Vonkel a continuaci�n para re.pdf
Quer�a ayuda con el estudio de caso de Vonkel a continuaci�n para re.pdfQuer�a ayuda con el estudio de caso de Vonkel a continuaci�n para re.pdf
Quer�a ayuda con el estudio de caso de Vonkel a continuaci�n para re.pdfsunilkhetpal
 
Question 2 (20 Marks) Natasha, Elize and Tino are partners in a well.pdf
Question 2 (20 Marks) Natasha, Elize and Tino are partners in a well.pdfQuestion 2 (20 Marks) Natasha, Elize and Tino are partners in a well.pdf
Question 2 (20 Marks) Natasha, Elize and Tino are partners in a well.pdfsunilkhetpal
 
Questa Bank is intending to invest in two different investments with.pdf
Questa Bank is intending to invest in two different investments with.pdfQuesta Bank is intending to invest in two different investments with.pdf
Questa Bank is intending to invest in two different investments with.pdfsunilkhetpal
 
Question 1Write a detailed technical report of 5000 words. The au.pdf
Question 1Write a detailed technical report of 5000 words. The au.pdfQuestion 1Write a detailed technical report of 5000 words. The au.pdf
Question 1Write a detailed technical report of 5000 words. The au.pdfsunilkhetpal
 
Question 1 (1 point)SavedWhich of the following is used to ass.pdf
Question 1 (1 point)SavedWhich of the following is used to ass.pdfQuestion 1 (1 point)SavedWhich of the following is used to ass.pdf
Question 1 (1 point)SavedWhich of the following is used to ass.pdfsunilkhetpal
 
Reference- Rauber, R. M., Walsh, J. E., & Charlevoix, D. J. (2017). .pdf
Reference- Rauber, R. M., Walsh, J. E., & Charlevoix, D. J. (2017). .pdfReference- Rauber, R. M., Walsh, J. E., & Charlevoix, D. J. (2017). .pdf
Reference- Rauber, R. M., Walsh, J. E., & Charlevoix, D. J. (2017). .pdfsunilkhetpal
 
Record-a-Song Company, sekiz ark kaydetmek i�in y�kselen bir yldzla .pdf
Record-a-Song Company, sekiz ark kaydetmek i�in y�kselen bir yldzla .pdfRecord-a-Song Company, sekiz ark kaydetmek i�in y�kselen bir yldzla .pdf
Record-a-Song Company, sekiz ark kaydetmek i�in y�kselen bir yldzla .pdfsunilkhetpal
 
Realice pruebas t de muestras independientes en las puntuaciones de .pdf
Realice pruebas t de muestras independientes en las puntuaciones de .pdfRealice pruebas t de muestras independientes en las puntuaciones de .pdf
Realice pruebas t de muestras independientes en las puntuaciones de .pdfsunilkhetpal
 
Reading the Discussion section, answer the following (5 marks)a .pdf
Reading the Discussion section, answer the following (5 marks)a .pdfReading the Discussion section, answer the following (5 marks)a .pdf
Reading the Discussion section, answer the following (5 marks)a .pdfsunilkhetpal
 
Rebecca Wallace is a 26-year-old woman who is brought to the Emergen.pdf
Rebecca Wallace is a 26-year-old woman who is brought to the Emergen.pdfRebecca Wallace is a 26-year-old woman who is brought to the Emergen.pdf
Rebecca Wallace is a 26-year-old woman who is brought to the Emergen.pdfsunilkhetpal
 
Read the case study given below and answer ALL the questions. What w.pdf
Read the case study given below and answer ALL the questions. What w.pdfRead the case study given below and answer ALL the questions. What w.pdf
Read the case study given below and answer ALL the questions. What w.pdfsunilkhetpal
 
QUESTION 11Sony Safe Harbor has had a broad impact on the interpre.pdf
QUESTION 11Sony Safe Harbor has had a broad impact on the interpre.pdfQUESTION 11Sony Safe Harbor has had a broad impact on the interpre.pdf
QUESTION 11Sony Safe Harbor has had a broad impact on the interpre.pdfsunilkhetpal
 
Read case 6.4, Sparrow v. Demonico. Do you agree with the court�s de.pdf
Read case 6.4, Sparrow v. Demonico. Do you agree with the court�s de.pdfRead case 6.4, Sparrow v. Demonico. Do you agree with the court�s de.pdf
Read case 6.4, Sparrow v. Demonico. Do you agree with the court�s de.pdfsunilkhetpal
 
Read Contribution based pay in local government case studyMathew.pdf
Read Contribution based pay in local government case studyMathew.pdfRead Contribution based pay in local government case studyMathew.pdf
Read Contribution based pay in local government case studyMathew.pdfsunilkhetpal
 
reactmuiquestion For some reason getting the following error fr.pdf
reactmuiquestion For some reason getting the following error fr.pdfreactmuiquestion For some reason getting the following error fr.pdf
reactmuiquestion For some reason getting the following error fr.pdfsunilkhetpal
 
Rastgele �iftleen �ok b�y�k bir fare pop�lasyonunda AB, Ab, aB ve ab.pdf
Rastgele �iftleen �ok b�y�k bir fare pop�lasyonunda AB, Ab, aB ve ab.pdfRastgele �iftleen �ok b�y�k bir fare pop�lasyonunda AB, Ab, aB ve ab.pdf
Rastgele �iftleen �ok b�y�k bir fare pop�lasyonunda AB, Ab, aB ve ab.pdfsunilkhetpal
 
quiero saber la respuesta a estas preguntas Quiz L�mites planeta.pdf
quiero saber la respuesta a estas preguntas Quiz L�mites planeta.pdfquiero saber la respuesta a estas preguntas Quiz L�mites planeta.pdf
quiero saber la respuesta a estas preguntas Quiz L�mites planeta.pdfsunilkhetpal
 
Questions 13 � 15 You are given the following information about int.pdf
Questions 13 � 15 You are given the following information about int.pdfQuestions 13 � 15 You are given the following information about int.pdf
Questions 13 � 15 You are given the following information about int.pdfsunilkhetpal
 
Question Why it is important to consider this case from an ethical .pdf
Question Why it is important to consider this case from an ethical .pdfQuestion Why it is important to consider this case from an ethical .pdf
Question Why it is important to consider this case from an ethical .pdfsunilkhetpal
 
Question) In the context of Sustainability, explain the following di.pdf
Question) In the context of Sustainability, explain the following di.pdfQuestion) In the context of Sustainability, explain the following di.pdf
Question) In the context of Sustainability, explain the following di.pdfsunilkhetpal
 

More from sunilkhetpal (20)

Quer�a ayuda con el estudio de caso de Vonkel a continuaci�n para re.pdf
Quer�a ayuda con el estudio de caso de Vonkel a continuaci�n para re.pdfQuer�a ayuda con el estudio de caso de Vonkel a continuaci�n para re.pdf
Quer�a ayuda con el estudio de caso de Vonkel a continuaci�n para re.pdf
 
Question 2 (20 Marks) Natasha, Elize and Tino are partners in a well.pdf
Question 2 (20 Marks) Natasha, Elize and Tino are partners in a well.pdfQuestion 2 (20 Marks) Natasha, Elize and Tino are partners in a well.pdf
Question 2 (20 Marks) Natasha, Elize and Tino are partners in a well.pdf
 
Questa Bank is intending to invest in two different investments with.pdf
Questa Bank is intending to invest in two different investments with.pdfQuesta Bank is intending to invest in two different investments with.pdf
Questa Bank is intending to invest in two different investments with.pdf
 
Question 1Write a detailed technical report of 5000 words. The au.pdf
Question 1Write a detailed technical report of 5000 words. The au.pdfQuestion 1Write a detailed technical report of 5000 words. The au.pdf
Question 1Write a detailed technical report of 5000 words. The au.pdf
 
Question 1 (1 point)SavedWhich of the following is used to ass.pdf
Question 1 (1 point)SavedWhich of the following is used to ass.pdfQuestion 1 (1 point)SavedWhich of the following is used to ass.pdf
Question 1 (1 point)SavedWhich of the following is used to ass.pdf
 
Reference- Rauber, R. M., Walsh, J. E., & Charlevoix, D. J. (2017). .pdf
Reference- Rauber, R. M., Walsh, J. E., & Charlevoix, D. J. (2017). .pdfReference- Rauber, R. M., Walsh, J. E., & Charlevoix, D. J. (2017). .pdf
Reference- Rauber, R. M., Walsh, J. E., & Charlevoix, D. J. (2017). .pdf
 
Record-a-Song Company, sekiz ark kaydetmek i�in y�kselen bir yldzla .pdf
Record-a-Song Company, sekiz ark kaydetmek i�in y�kselen bir yldzla .pdfRecord-a-Song Company, sekiz ark kaydetmek i�in y�kselen bir yldzla .pdf
Record-a-Song Company, sekiz ark kaydetmek i�in y�kselen bir yldzla .pdf
 
Realice pruebas t de muestras independientes en las puntuaciones de .pdf
Realice pruebas t de muestras independientes en las puntuaciones de .pdfRealice pruebas t de muestras independientes en las puntuaciones de .pdf
Realice pruebas t de muestras independientes en las puntuaciones de .pdf
 
Reading the Discussion section, answer the following (5 marks)a .pdf
Reading the Discussion section, answer the following (5 marks)a .pdfReading the Discussion section, answer the following (5 marks)a .pdf
Reading the Discussion section, answer the following (5 marks)a .pdf
 
Rebecca Wallace is a 26-year-old woman who is brought to the Emergen.pdf
Rebecca Wallace is a 26-year-old woman who is brought to the Emergen.pdfRebecca Wallace is a 26-year-old woman who is brought to the Emergen.pdf
Rebecca Wallace is a 26-year-old woman who is brought to the Emergen.pdf
 
Read the case study given below and answer ALL the questions. What w.pdf
Read the case study given below and answer ALL the questions. What w.pdfRead the case study given below and answer ALL the questions. What w.pdf
Read the case study given below and answer ALL the questions. What w.pdf
 
QUESTION 11Sony Safe Harbor has had a broad impact on the interpre.pdf
QUESTION 11Sony Safe Harbor has had a broad impact on the interpre.pdfQUESTION 11Sony Safe Harbor has had a broad impact on the interpre.pdf
QUESTION 11Sony Safe Harbor has had a broad impact on the interpre.pdf
 
Read case 6.4, Sparrow v. Demonico. Do you agree with the court�s de.pdf
Read case 6.4, Sparrow v. Demonico. Do you agree with the court�s de.pdfRead case 6.4, Sparrow v. Demonico. Do you agree with the court�s de.pdf
Read case 6.4, Sparrow v. Demonico. Do you agree with the court�s de.pdf
 
Read Contribution based pay in local government case studyMathew.pdf
Read Contribution based pay in local government case studyMathew.pdfRead Contribution based pay in local government case studyMathew.pdf
Read Contribution based pay in local government case studyMathew.pdf
 
reactmuiquestion For some reason getting the following error fr.pdf
reactmuiquestion For some reason getting the following error fr.pdfreactmuiquestion For some reason getting the following error fr.pdf
reactmuiquestion For some reason getting the following error fr.pdf
 
Rastgele �iftleen �ok b�y�k bir fare pop�lasyonunda AB, Ab, aB ve ab.pdf
Rastgele �iftleen �ok b�y�k bir fare pop�lasyonunda AB, Ab, aB ve ab.pdfRastgele �iftleen �ok b�y�k bir fare pop�lasyonunda AB, Ab, aB ve ab.pdf
Rastgele �iftleen �ok b�y�k bir fare pop�lasyonunda AB, Ab, aB ve ab.pdf
 
quiero saber la respuesta a estas preguntas Quiz L�mites planeta.pdf
quiero saber la respuesta a estas preguntas Quiz L�mites planeta.pdfquiero saber la respuesta a estas preguntas Quiz L�mites planeta.pdf
quiero saber la respuesta a estas preguntas Quiz L�mites planeta.pdf
 
Questions 13 � 15 You are given the following information about int.pdf
Questions 13 � 15 You are given the following information about int.pdfQuestions 13 � 15 You are given the following information about int.pdf
Questions 13 � 15 You are given the following information about int.pdf
 
Question Why it is important to consider this case from an ethical .pdf
Question Why it is important to consider this case from an ethical .pdfQuestion Why it is important to consider this case from an ethical .pdf
Question Why it is important to consider this case from an ethical .pdf
 
Question) In the context of Sustainability, explain the following di.pdf
Question) In the context of Sustainability, explain the following di.pdfQuestion) In the context of Sustainability, explain the following di.pdf
Question) In the context of Sustainability, explain the following di.pdf
 

Recently uploaded

MOOD STABLIZERS DRUGS.pptx
MOOD     STABLIZERS           DRUGS.pptxMOOD     STABLIZERS           DRUGS.pptx
MOOD STABLIZERS DRUGS.pptxPoojaSen20
 
SPLICE Working Group: Reusable Code Examples
SPLICE Working Group:Reusable Code ExamplesSPLICE Working Group:Reusable Code Examples
SPLICE Working Group: Reusable Code ExamplesPeter Brusilovsky
 
Personalisation of Education by AI and Big Data - Lourdes Guàrdia
Personalisation of Education by AI and Big Data - Lourdes GuàrdiaPersonalisation of Education by AI and Big Data - Lourdes Guàrdia
Personalisation of Education by AI and Big Data - Lourdes GuàrdiaEADTU
 
An overview of the various scriptures in Hinduism
An overview of the various scriptures in HinduismAn overview of the various scriptures in Hinduism
An overview of the various scriptures in HinduismDabee Kamal
 
How to Send Pro Forma Invoice to Your Customers in Odoo 17
How to Send Pro Forma Invoice to Your Customers in Odoo 17How to Send Pro Forma Invoice to Your Customers in Odoo 17
How to Send Pro Forma Invoice to Your Customers in Odoo 17Celine George
 
Sternal Fractures & Dislocations - EMGuidewire Radiology Reading Room
Sternal Fractures & Dislocations - EMGuidewire Radiology Reading RoomSternal Fractures & Dislocations - EMGuidewire Radiology Reading Room
Sternal Fractures & Dislocations - EMGuidewire Radiology Reading RoomSean M. Fox
 
FICTIONAL SALESMAN/SALESMAN SNSW 2024.pdf
FICTIONAL SALESMAN/SALESMAN SNSW 2024.pdfFICTIONAL SALESMAN/SALESMAN SNSW 2024.pdf
FICTIONAL SALESMAN/SALESMAN SNSW 2024.pdfPondicherry University
 
TỔNG HỢP HƠN 100 ĐỀ THI THỬ TỐT NGHIỆP THPT TOÁN 2024 - TỪ CÁC TRƯỜNG, TRƯỜNG...
TỔNG HỢP HƠN 100 ĐỀ THI THỬ TỐT NGHIỆP THPT TOÁN 2024 - TỪ CÁC TRƯỜNG, TRƯỜNG...TỔNG HỢP HƠN 100 ĐỀ THI THỬ TỐT NGHIỆP THPT TOÁN 2024 - TỪ CÁC TRƯỜNG, TRƯỜNG...
TỔNG HỢP HƠN 100 ĐỀ THI THỬ TỐT NGHIỆP THPT TOÁN 2024 - TỪ CÁC TRƯỜNG, TRƯỜNG...Nguyen Thanh Tu Collection
 
Book Review of Run For Your Life Powerpoint
Book Review of Run For Your Life PowerpointBook Review of Run For Your Life Powerpoint
Book Review of Run For Your Life Powerpoint23600690
 
DEMONSTRATION LESSON IN ENGLISH 4 MATATAG CURRICULUM
DEMONSTRATION LESSON IN ENGLISH 4 MATATAG CURRICULUMDEMONSTRATION LESSON IN ENGLISH 4 MATATAG CURRICULUM
DEMONSTRATION LESSON IN ENGLISH 4 MATATAG CURRICULUMELOISARIVERA8
 
Stl Algorithms in C++ jjjjjjjjjjjjjjjjjj
Stl Algorithms in C++ jjjjjjjjjjjjjjjjjjStl Algorithms in C++ jjjjjjjjjjjjjjjjjj
Stl Algorithms in C++ jjjjjjjjjjjjjjjjjjMohammed Sikander
 
ĐỀ THAM KHẢO KÌ THI TUYỂN SINH VÀO LỚP 10 MÔN TIẾNG ANH FORM 50 CÂU TRẮC NGHI...
ĐỀ THAM KHẢO KÌ THI TUYỂN SINH VÀO LỚP 10 MÔN TIẾNG ANH FORM 50 CÂU TRẮC NGHI...ĐỀ THAM KHẢO KÌ THI TUYỂN SINH VÀO LỚP 10 MÔN TIẾNG ANH FORM 50 CÂU TRẮC NGHI...
ĐỀ THAM KHẢO KÌ THI TUYỂN SINH VÀO LỚP 10 MÔN TIẾNG ANH FORM 50 CÂU TRẮC NGHI...Nguyen Thanh Tu Collection
 
ANTI PARKISON DRUGS.pptx
ANTI         PARKISON          DRUGS.pptxANTI         PARKISON          DRUGS.pptx
ANTI PARKISON DRUGS.pptxPoojaSen20
 
Transparency, Recognition and the role of eSealing - Ildiko Mazar and Koen No...
Transparency, Recognition and the role of eSealing - Ildiko Mazar and Koen No...Transparency, Recognition and the role of eSealing - Ildiko Mazar and Koen No...
Transparency, Recognition and the role of eSealing - Ildiko Mazar and Koen No...EADTU
 
When Quality Assurance Meets Innovation in Higher Education - Report launch w...
When Quality Assurance Meets Innovation in Higher Education - Report launch w...When Quality Assurance Meets Innovation in Higher Education - Report launch w...
When Quality Assurance Meets Innovation in Higher Education - Report launch w...Gary Wood
 
Analyzing and resolving a communication crisis in Dhaka textiles LTD.pptx
Analyzing and resolving a communication crisis in Dhaka textiles LTD.pptxAnalyzing and resolving a communication crisis in Dhaka textiles LTD.pptx
Analyzing and resolving a communication crisis in Dhaka textiles LTD.pptxLimon Prince
 

Recently uploaded (20)

Mattingly "AI & Prompt Design: Named Entity Recognition"
Mattingly "AI & Prompt Design: Named Entity Recognition"Mattingly "AI & Prompt Design: Named Entity Recognition"
Mattingly "AI & Prompt Design: Named Entity Recognition"
 
MOOD STABLIZERS DRUGS.pptx
MOOD     STABLIZERS           DRUGS.pptxMOOD     STABLIZERS           DRUGS.pptx
MOOD STABLIZERS DRUGS.pptx
 
SPLICE Working Group: Reusable Code Examples
SPLICE Working Group:Reusable Code ExamplesSPLICE Working Group:Reusable Code Examples
SPLICE Working Group: Reusable Code Examples
 
Mattingly "AI and Prompt Design: LLMs with NER"
Mattingly "AI and Prompt Design: LLMs with NER"Mattingly "AI and Prompt Design: LLMs with NER"
Mattingly "AI and Prompt Design: LLMs with NER"
 
Personalisation of Education by AI and Big Data - Lourdes Guàrdia
Personalisation of Education by AI and Big Data - Lourdes GuàrdiaPersonalisation of Education by AI and Big Data - Lourdes Guàrdia
Personalisation of Education by AI and Big Data - Lourdes Guàrdia
 
An overview of the various scriptures in Hinduism
An overview of the various scriptures in HinduismAn overview of the various scriptures in Hinduism
An overview of the various scriptures in Hinduism
 
OS-operating systems- ch05 (CPU Scheduling) ...
OS-operating systems- ch05 (CPU Scheduling) ...OS-operating systems- ch05 (CPU Scheduling) ...
OS-operating systems- ch05 (CPU Scheduling) ...
 
How to Send Pro Forma Invoice to Your Customers in Odoo 17
How to Send Pro Forma Invoice to Your Customers in Odoo 17How to Send Pro Forma Invoice to Your Customers in Odoo 17
How to Send Pro Forma Invoice to Your Customers in Odoo 17
 
Sternal Fractures & Dislocations - EMGuidewire Radiology Reading Room
Sternal Fractures & Dislocations - EMGuidewire Radiology Reading RoomSternal Fractures & Dislocations - EMGuidewire Radiology Reading Room
Sternal Fractures & Dislocations - EMGuidewire Radiology Reading Room
 
FICTIONAL SALESMAN/SALESMAN SNSW 2024.pdf
FICTIONAL SALESMAN/SALESMAN SNSW 2024.pdfFICTIONAL SALESMAN/SALESMAN SNSW 2024.pdf
FICTIONAL SALESMAN/SALESMAN SNSW 2024.pdf
 
TỔNG HỢP HƠN 100 ĐỀ THI THỬ TỐT NGHIỆP THPT TOÁN 2024 - TỪ CÁC TRƯỜNG, TRƯỜNG...
TỔNG HỢP HƠN 100 ĐỀ THI THỬ TỐT NGHIỆP THPT TOÁN 2024 - TỪ CÁC TRƯỜNG, TRƯỜNG...TỔNG HỢP HƠN 100 ĐỀ THI THỬ TỐT NGHIỆP THPT TOÁN 2024 - TỪ CÁC TRƯỜNG, TRƯỜNG...
TỔNG HỢP HƠN 100 ĐỀ THI THỬ TỐT NGHIỆP THPT TOÁN 2024 - TỪ CÁC TRƯỜNG, TRƯỜNG...
 
Book Review of Run For Your Life Powerpoint
Book Review of Run For Your Life PowerpointBook Review of Run For Your Life Powerpoint
Book Review of Run For Your Life Powerpoint
 
DEMONSTRATION LESSON IN ENGLISH 4 MATATAG CURRICULUM
DEMONSTRATION LESSON IN ENGLISH 4 MATATAG CURRICULUMDEMONSTRATION LESSON IN ENGLISH 4 MATATAG CURRICULUM
DEMONSTRATION LESSON IN ENGLISH 4 MATATAG CURRICULUM
 
Stl Algorithms in C++ jjjjjjjjjjjjjjjjjj
Stl Algorithms in C++ jjjjjjjjjjjjjjjjjjStl Algorithms in C++ jjjjjjjjjjjjjjjjjj
Stl Algorithms in C++ jjjjjjjjjjjjjjjjjj
 
ĐỀ THAM KHẢO KÌ THI TUYỂN SINH VÀO LỚP 10 MÔN TIẾNG ANH FORM 50 CÂU TRẮC NGHI...
ĐỀ THAM KHẢO KÌ THI TUYỂN SINH VÀO LỚP 10 MÔN TIẾNG ANH FORM 50 CÂU TRẮC NGHI...ĐỀ THAM KHẢO KÌ THI TUYỂN SINH VÀO LỚP 10 MÔN TIẾNG ANH FORM 50 CÂU TRẮC NGHI...
ĐỀ THAM KHẢO KÌ THI TUYỂN SINH VÀO LỚP 10 MÔN TIẾNG ANH FORM 50 CÂU TRẮC NGHI...
 
ANTI PARKISON DRUGS.pptx
ANTI         PARKISON          DRUGS.pptxANTI         PARKISON          DRUGS.pptx
ANTI PARKISON DRUGS.pptx
 
Transparency, Recognition and the role of eSealing - Ildiko Mazar and Koen No...
Transparency, Recognition and the role of eSealing - Ildiko Mazar and Koen No...Transparency, Recognition and the role of eSealing - Ildiko Mazar and Koen No...
Transparency, Recognition and the role of eSealing - Ildiko Mazar and Koen No...
 
When Quality Assurance Meets Innovation in Higher Education - Report launch w...
When Quality Assurance Meets Innovation in Higher Education - Report launch w...When Quality Assurance Meets Innovation in Higher Education - Report launch w...
When Quality Assurance Meets Innovation in Higher Education - Report launch w...
 
Analyzing and resolving a communication crisis in Dhaka textiles LTD.pptx
Analyzing and resolving a communication crisis in Dhaka textiles LTD.pptxAnalyzing and resolving a communication crisis in Dhaka textiles LTD.pptx
Analyzing and resolving a communication crisis in Dhaka textiles LTD.pptx
 
VAMOS CUIDAR DO NOSSO PLANETA! .
VAMOS CUIDAR DO NOSSO PLANETA!                    .VAMOS CUIDAR DO NOSSO PLANETA!                    .
VAMOS CUIDAR DO NOSSO PLANETA! .
 

Question 5Explain the reason synchronization may be needed in the .pdf

  • 1. Question 5 Explain the reason synchronization may be needed in the following protocols and when (i.e., in which mode or situation) would this synchronization be needed: - ALOHA - IEEE 802.15.4 - LEACH