'Link quality' presentation slideshows

Taming the Underlying Challenges of Reliable Multihop Routing in Sensor Networks

Taming the Underlying Challenges of Reliable Multihop Routing in Sensor Networks. Alec Woo, Terence Tong, David Culler SenSys 2003. Key Observations. Many wireless links are lossy Loss rate may change dynamically Environmental factors Highly correlated behavior of an application

635 views • 54 slides

FRACTEL Deployment

FRACTEL: Building (Rural) Mesh Networks with Predictable Performance On the Feasibility of the Link Abstraction in (Rural) Mesh Networks. Dattatraya Gokhale (Indian Navy), Sayandeep Sen (U. Wisconsin-Madison) , Kameswari Chebrolu (IIT Bombay), Bhaskaran Raman (IIT Bombay) Work done at IIT Kanpur

609 views • 51 slides

Ad Hoc Routing Metrics

713 views • 49 slides

Chapter 2

Chapter 2. Point-to-Point Protocol (PPP) Part II. Point-to-Point Protocol (PPP). PPP Concepts. Introducing PPP. What is PPP? Recall that HDLC is the default serial encapsulation method when you connect two Cisco routers. Cisco HDLC can only work with other Cisco devices .

600 views • 49 slides

Chapter 2

Chapter 2. Point-to-Point Protocol (PPP) Part II. Point-to-Point Protocol (PPP). Review Activities Slide 2.1.7.3. Packet Tracer 2.1.7.2. PPP Concepts. Introducing PPP. What is PPP? Recall that HDLC is the default serial encapsulation method when you connect two Cisco routers.

695 views • 49 slides

NS-2 NIST add-on IEEE 802.16 model (MAC+PHY)

NS-2 NIST add-on IEEE 802.16 model (MAC+PHY). Miray Kas 28 Jan 2008. Outline. MAC Layer overview Basic Data about PHY Layer List of Available/Unavailable Features Available Features Convergence Sublayer MAC Common Part PHY Layer Comments on Unavailable Features.

607 views • 45 slides

Chapter 2

Chapter 2. Point-to-Point Protocol (PPP) Part II. Point-to-Point Protocol (PPP). PPP Concepts. Introducing PPP. What is PPP? Recall that HDLC is the default serial encapsulation method when you connect two Cisco routers. Cisco HDLC can only work with other Cisco devices .

645 views • 45 slides

Comparison of Routing Metrics for Static Multi-Hop Wireless Networks

540 views • 36 slides

Lab 6: Routing

Lab 6: Routing. Administration. Schedule 13. Week 13 (12/10): Lab-6: Routing Labs 14. Week 14 (12/17): How to made you own hardware 15. Week 15 (12/24): Survey presentation In-class presentation (15 minutes or less) 16. Week 16 (12/31): Low Power And Advance Microcontroller Functions

455 views • 33 slides

TALENT: Temporal Adaptive Link Estimator with No Training

421 views • 30 slides

Wireless Networked Sensors Routing Challenges

Wireless Networked Sensors Routing Challenges. Mikhail Nesterenko. In this presentation I used the material from a presentation by David Culler, USB http://www.cs.berkeley.edu/~culler/talks/mobihoc.ppt, http://www.cs.berkeley.edu/~culler/cs294-f03/slides/awoo_oct_2nd_2003.ppt

382 views • 30 slides

Fast Handoff for Seamless Wireless Mesh Networks

Fast Handoff for Seamless Wireless Mesh Networks. Yair Amir, Claudiu Danilov, Michael Hilsdale, Raluca Musaloiu-Elefteri, Nilo Rivera. Distributed Systems and Networks Lab Johns Hopkins University. MobiSys 2006. Motivation. Over 200 million 802.11 chips sold

407 views • 28 slides

Energy Conservation in wireless sensor networks

406 views • 27 slides

Taming the Underlying Challenges of Reliable Multihop Routing in Sensor Networks

Taming the Underlying Challenges of Reliable Multihop Routing in Sensor Networks. Key Observations. Many wireless links are lossy Loss rate may change dynamically Environmental factors Highly correlated behavior of an application Routing should consider these underlying factors

459 views • 26 slides

Opportunistic flooding in low-duty-cycle wireless sensor networks with unreliable links

Opportunistic flooding in low-duty-cycle wireless sensor networks with unreliable links. Mobicom 2009 Shuo Guo , Yu Gu , Bo Jiang and Tian He Department of Computer Science and Engineering, Uniersity of Minnesota. outline. Motivation Network model Design Simulation & evaluation

508 views • 22 slides

Enhancing Bluetooth TCP Throughput via Packet Type Adaptation

Enhancing Bluetooth TCP Throughput via Packet Type Adaptation. Ling-Jyh Chen, Rohit Kapoor, M. Y. Sanadidi, Mario Gerla Dept. of Computer Science, UCLA. Outline of the Talk. The problem : Wireless interference and bit errors severely affect TCP efficiency.

375 views • 18 slides

Routing in Multi-Radio, Multi-Hop Wireless Mesh Networks

Routing in Multi-Radio, Multi-Hop Wireless Mesh Networks. Richard Draves, Jitu Padhye, Brian Zill Microsoft Research. Self-Organizing Neighborhood Networks. Key Properties No network engineer Very little mobility Energy not a concern One challenge: network capacity

313 views • 17 slides

High-throughput multicast routing metrics in wireless mesh networks

High-throughput multicast routing metrics in wireless mesh networks. Sabyasachi Roy, Dimitrios Koutsonikolas, Saumitra Das, and Y. Charlie Hu ICDCS 2006 2006. 10. 10 Hanjin Lee. Contents. Introduction Routing metrics for multicast protocols Methodology Simulation & testbed experiments

249 views • 16 slides

IEEE 802.15 TG2 Coexistence Tel-Aviv January 13, 2000

IEEE 802.15 TG2 Coexistence Tel-Aviv January 13, 2000. Oren Eliezer Texas Instruments Israel OrenE@ti.com. Definition. The realization and consideration of another wireless system in the shared environment of operation Interoperability, in contrast. A Measure of Coexistence.

175 views • 7 slides

SEO - Search Engine Optimisation

195 views • 6 slides