'Base station' diaporamas de présentation

?? 2 HetNet ???????????????

????????????????? - ??????? ?? ????? WiFi ??????????? ?? ?? ITRI LWA-Small Cell ( ? WiFi) ????. ?? 2 HetNet ???????????????. ???????? ?????????? ?? ???? ????? ?. Outline. Introduction to Heterogeneous Networks (HetNet) - Heterogeneous Network Deployments

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Computer Networking: A Top Down Approach

Chapter 7 Wireless and Mobile Networks. Computer Networking: A Top Down Approach. 7 th Edition, Global Edition Jim Kurose, Keith Ross Pearson April 2016. Background: # wireless (mobile) phone subscribers now exceeds # wired phone subscribers (5-to-1)!

948 views • 73 slides

Spectrum & 3G services

Spectrum & 3G services. AUSPI Presentation to TRAI 01.08.06. UASL LICENSE & 3G. PRIME ISSUES. INTERFERENCE ISSUES. SUGGESTIONS. UASL LICENSE & 3G. 3G Policy !. UASL License permits provision of voice and data services and does not distinguish between 2G & 3G.

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GSM N ETWORK A RCHITECTURE

CH 2. GSM N ETWORK A RCHITECTURE. GSM N ETWORK A RCHITECTURE. In this chapter we will see : GSM NETWORK ARCHITECTURE The Radio Subsystem The Network Switching Subsystem The Operation and maintenance Subsystem Geographic network areas. GSM N ETWORK A RCHITECTURE.

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Secure Multipath Routing Protocol for Wireless Sensor Networks

Secure Multipath Routing Protocol for Wireless Sensor Networks. Bharat Reddy Ankushadhar Joliholi. Agenda. Introduction/Motivation Overview & Assumptions of SEER Seer Phases Topology Construction Data Transmission Route Maintenance Security of SEER Wormhole & Sinkhole attacks

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USE OF AUTOMATED WEATHER STATIONS IN ETHIOPIA BY DULA SHANKO LEBETA

USE OF AUTOMATED WEATHER STATIONS IN ETHIOPIA BY DULA SHANKO LEBETA. Dula shanko. National Meteorological Agency(NMA), Addis Ababa, Ethiopia Phone: +251116639662, Mob +251911208024 Fax +251116625292, Email: du_shanko@yahoo.com. Point of discussion. Introduction

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Modelos para ciudades

Modelos para ciudades. Se pueden clasificar en 3 categorias : Empiricos: Okumura , Hata , etc Semi-empiric o BBC y Walfish Ikegami Deterministic os: Trazado de rayos Otra forma de clasificar es por el tipo de area: Rural y suburban o Urban o. Modelos Empiricos. Lee Young Okumura

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The Propagation Factor in Mobile Wireless Networks

The Propagation Factor in Mobile Wireless Networks. Syed Aun Abbas LUMS SSE. Structure of the Talk. Aims to look at Mobile networks from numerous perspectives Business considerations Inter cell considerations Intra cell considerations System considerations

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GSM Security Overview (Part 1)

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Cellular Networks

Cellular Networks. CPSC441, Winter 2010. Entire Coverage Area. First Mobile Telephone System. One and only one high power base station with which all users communicate. Normal Telephone System. Wired connection. Problem with Original Design.

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Unmanned Maze Solver

Unmanned Maze Solver . Using aerial image processing and wireless connectivity to direct a robot through a maze. . Nicholas Hoover Matthew Mitrik Edward Waxler. Overview. Aerial camera views terrain below (maze) Converts image into symbolic form Finds path through the terrain (maze)

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What Can Pricing Do In Wireless Networks?

What Can Pricing Do In Wireless Networks?. Jianning Mai and Lihua Yuan {jnmai,lyuan}@ece.ucdavis.edu. Outlines. Introduction Pricing-based Approaches for: Spectrum Allocation Power Control Cooperation Incentives Conclusion. Introduction. Pricing for communication networks

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Multi-user diversity in slow fading channels

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PulseSocks

PulseSocks informational deck.

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Effective Crime Control using GIS

Effective Crime Control using GIS. Author. Dr. R. Sahu Asst. Prof ABV-Indian Institute of Information Technology & Management Gwalior Peeyush Srivastava MBA-IT Final Year ABV-Indian Institute of Information Technology & Management Gwalior . Introduction.

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Securing Wireless Sensor Networks

Securing Wireless Sensor Networks. Cheyenne Hollow Horn SFS Presentation 2005. Presentation Outline. Wireless Sensor Networks (WSN) Security for WSN Implementation Conclusion. Wireless Sensor Networks. What is a WSN? Nodes Beacons Base Station. Wireless Sensor Networks. Applications

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Polycom UC Software 5.5.2 Summary

Polycom UC Software 5.5.2 Summary. Name Title. UCS 5.5.2 Features. Open SSL Upgrade. Benefits Upgrade the OpenSSL library used by to incorporate the latest security improvements and bug fixes from the OpenSSL group. Functionality

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TinyOS

TinyOS. Frank Ng, Jud Porter, John Tat. What is TinyOS?. Embedded operating system Sets of cooperating tasks and processes Written in NesC language Designed to operate with severe memory constraint inherent in sensor networks. NesC. C-like syntax Built as an extension to C

267 views • 7 slides