'Received signal strength' presentation slideshows

Localization

Localization. Vinod Kulathumani West Virginia University. Localization. Localization of a node refers to the problem of identifying its spatial co-ordinates in some co-ordinate system How do nodes discover their geographic positions in 2D or 3D space?

1.64k views • 109 slides

Lesson 2

Lesson 2. Radio Frequency Fundamentals. Objectives. Define a Radio Frequency Signal Define and Describe the Following RF Characteristics Polarity Wavelength Frequency Amplitude Phase. Objectives (Cont.). Define and Describe the Following RF Behaviors Wave Propagation Absorption

749 views • 62 slides

T325: Technologies for digital media

650 views • 56 slides

1/45

609 views • 45 slides

Mobile Radio Propagation - Large Scale Path Loss

Mobile Radio Propagation - Large Scale Path Loss. Asad Ali. Introduction. Question: What are reasons why wireless signals are hard to send and receive?. Introduction to Radio Wave Propagation.

2.65k views • 44 slides

Chapter 5: The Cellular Concept

Chapter 5: The Cellular Concept. Associate Prof. Yuh-Shyan Chen Dept. of Computer Science and Information Engineering National Chung-Cheng University. Introduction. A cell is formally defined as an area wherein the use of radio communication resources by the MS is controlled by a single BS.

637 views • 37 slides

CPSC 689: Discrete Algorithms for Mobile and Wireless Systems

CPSC 689: Discrete Algorithms for Mobile and Wireless Systems. Spring 2009 Prof. Jennifer Welch. Lecture 9. Topic: Localization Sources: Priyantha, Chakraborty, Balakrishnan. Cricket. Savvides, Han, Srivastava. Dynamic fine-grained localization in ad-hoc networks of sensors.

470 views • 36 slides

Chapter 2

Chapter 2. Radio Frequency Fundamentals. Exam Essentials. Understand wavelength, frequency, amplitude, and phase. Know the definition of each RF characteristic and how it can affect wireless LAN design. Remember all the RF propagation behaviors.

485 views • 35 slides

Bluetooth Positioning using RSSI and Triangulation Methods

Bluetooth Positioning using RSSI and Triangulation Methods. Speaker : Shih-Chi Huang Advisor : Dr. Kai-Wei Ke 2013/12/09. Outline. Background Introduction Wireless P ositioning Algorithms Bluetooth Based Positioning Designing The Positioning System Positioning Results Conclusion

2.82k views • 32 slides

Antennas

Antennas. Lecture 9. Introduction. An antenna is an electrical conductor or system of conductors. An antenna is a device whose function is to radiate electromagnetic energy or to intercept electromagnetic radiation Transmission - radiates electromagnetic energy into space

651 views • 29 slides

Validation of an improved location-based handover algorithm using GSM measurement data

IEEE Transactions on Mobile Computing, Vol. 4, No 5, Sep. 2005. Validation of an improved location-based handover algorithm using GSM measurement data. Hsin-Piao Lin; Rong-Terng Juang; Ding-Bing Lin. Outline. Introduction Proposed Handover Algorithm

429 views • 26 slides

The Ultimate DX Experience: Mars! By Marc. C. Tarplee, Ph.D. N4UFP

The Ultimate DX Experience: Mars! By Marc. C. Tarplee, Ph.D. N4UFP. Introduction . In 2001, NASA launched the Mars Odyssey orbital probe. This orbiter has a space-to-ground link operates at 437.1 MHz.

514 views • 25 slides

Dynamic Fine-Grained Localization in Ad-Hoc Networks of Sensors

369 views • 23 slides

Part of the Joint Project by HKBU, HKIVE and Several Local Mobile Service

Part of the Joint Project by HKBU, HKIVE and Several Local Mobile Service Providers for Accurate Low-cost Mobile localization. S upport V ector R egression for Location Estimation Using GSM Propagation Data. Dr. Chun-hung Li

317 views • 22 slides

Multi-Cell Handover Architecture in Ultra-High-Throughput WLAN

Multi-Cell Handover Architecture in Ultra-High-Throughput WLAN. Date: 2013-1 1 -3. Nov . 2013. Authors:. Slide 1. Content. Nov . 2013. Slide 2. Motivation Proposed Multi-Cell Handover Architecture in Ultra-High-Throughput WLAN Network topology Handover scenario Handover process

376 views • 21 slides

RF Propagation In a Nutshell

RF Propagation In a Nutshell. Ron Milione Ph.D. W2TAP. Ant. Ant. Feedline. Feedline. Radio Systems. This presentation concentrates on the propagation portion. Transmitter. Information. Modulator. Amplifier. Filter. RF Propagation. Receiver. Information. Demodulator.

309 views • 21 slides

Next Generation Wireless LAN System Design

Next Generation Wireless LAN System Design. ? ?: ??? ? ?: 9 37472. Outline. WLANs Design Introduction Cap-WLAN CST versus Coverage based WLAN design Cap-WLAN CST formulation Cap-WLAN CST Algorithm Path loss model Formulation s of Constraint Brute- Force Search Algorithm Design Example

350 views • 19 slides

Secure Space: Location-based Secure Wireless Group Communication

Secure Space: Location-based Secure Wireless Group Communication. Arunesh Mishra, Suman Banerjee Department of Computer Science, University of Maryland, College Park, MD 20742, USA. Introduction(1/1).

225 views • 7 slides

Serial Products Troubleshooting

Serial Products Troubleshooting. Troubleshooting Steps. 1. Verify RS-232 Communication 2. Verify ESTeem Commands 3. Test SWR 4. Measure Receive Signal Strength 5. Conduct Polling Diagnostic. SWR Measurement. Maximum = 10% Reflected Power ESTeem command Radio ON command. To Antenna.

123 views • 4 slides

Indoor Localization Using a Modern Smartphone Carick Wienke Advisor: Dr. Nicholas Kirsch

Indoor Localization Using a Modern Smartphone Carick Wienke Advisor: Dr. Nicholas Kirsch. Department of Electrical and Computer Engineering. Sensor Systems. Measurements. Trilateration using WLAN Signals

121 views • 1 slides