Network hierarchy

In this article, we explore the operation of the LEACH (Low Energy Adaptive Clustering Hierarchy) protocol - a protocol compatible with low-energy sources and propose a solution to improve efficiency in wireless sensor networks. The simulation results show that our solution is better in terms of the number of packets reaching the base station and the average lifetime of the sensor nodes.

9p viyoko 01-10-2024 4 1   Download

Đề tài đã tìm hiểu về mạng MAN: giới thiệu về mạng MAN; ứng dụng của mạng MAN; kiến trúc mạng MAN theo mô hình Cisco và mô hình mạng MAN công nghệ Ethernet. Tìm hiểu các công nghệ nền tảng để xây dựng MAN Ethernet: Công nghệ SONET/SDH (Synchronous Optical Network /Synchronous Digital Hierarchy), công nghệ WDM (Wavelength Division Multiplexing), công nghệ RPR (Resilient Packet Ring),... Mời các bạn cùng tham khảo.

91p capheviahe26 02-02-2021 41 7   Download

Trong bài báo này chúng tôi đề xuất các mạng nơron SOM có giám sát, gồm S-SOM và S-SOM+ áp dụng cho bài toán phân lớp. Các mạng này được cải tiến từ các mô hình SOM không giám sát và có giám sát đã được đề xuất bởi Kohonen và các tác giả khác. Sau đó, chúng tôi tiếp tục đề xuất các mô hình SOM có giám sát phân tầng cải tiến từ S-SOM và S-SOM+, gọi là HS-SOM và HS-SOM+.

14p dieutringuyen 07-06-2017 28 1   Download

JDK 1.5 introduces several extensions to the Java programming language. One of these is the introduction of generics. This tutorial is aimed at introducing you to generics. You may be familiar with similar constructs from other languages, most notably C++ templates. If so, you’ll soon see that there are both similarities and important differences. If you are not familiar with look-a-alike constructs from elsewhere, all the better; you can start afresh, without unlearning any misconceptions. Generics allow you to abstract over types.

24p tranhung0312 01-12-2012 99 8   Download

Objectives: Describe how a hierarchical network supports the voice, and data needs of a small- or medium-sized business. Describe the functions of each of the three levels of the hierarchical network design model, the principles of hierarchical network design (aggregate connectivity, network diameter, and redundancy), and the concept of a converged network. Provide examples of how voice and video over IP affect network design. Select appropriate devices to operate at each level of the hierarchy, including voice and video components.

36p thanhtung_hk 05-11-2010 159 44   Download

Synchronous Digital Hierarchy (SDH) and Synchronous Optical Network (SONET) The synchronous hierarchy digital (SDH) is emergingthe as universal technology for transmission telecommunications in networks. the publication Since first of international standards by ITU-T in 1989, SDH equipment has been rapidly developedand deployed across the world,andisrapidlytakingoverfromitspredecessor,thePlesiochronousDigitalHierarchy (PDH).ThischapterdescribesSDHandtheNorthAmericanequivalentofSDH,SONET (SynchronousOpticalNetwork),fromwhichitgrew...

14p huggoo 20-08-2010 93 18   Download

Tham khảo tài liệu 'an introduction to intelligent and autonomous control-chapter 4:design of structure-based hierarchies for distributed intelligent control', công nghệ thông tin, quản trị web phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

30p kaka 28-07-2010 99 6   Download

This assignment will introduce you to animation hierarchies and forward kinematics. I will not be giving you as explicit instructions as before, so to some extent you will have to figure out how to accomplish these tasks yourself.

9p hoang1 02-11-2009 125 33   Download

Offers hierarchy—each layer has specific role • Modular topology—building blocks • Easy to grow, understand, and troubleshoot • Creates small fault domains—clear demarcations and isolation • Promotes load balancing and redundancy • Promotes deterministic traffic patterns • Incorporates balance of both Layer 2 and Layer 3 technology, leveraging the strength of both • Can be applied to all campus designs; multilayer L2/L3 and routed access designs

96p kieuoanh 11-08-2009 143 16   Download

This document is intended to help students understand what types of information would be required to pass the CCNA test. This is only intended as a review and additional training and knowledge would be needed in order to take and pass the CCNA exam. This document does not help with the simulation portion of the test.

26p phongthinh 06-08-2009 271 118   Download