'Frequency channel' presentation slideshows

Chapter 3

Chapter 3. Frequency-Hopping Systems. 3.1 Concepts and Characteristics. Frequency hopping The periodic changing of the carrier frequency of a transmitted signal. Hopset The set of M possible carrier frequencies Frequency hopping pattern The sequence of carrier frequencies .

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Crisis and Emergency Risk Communications: Addressing the challenges Stacey Thompson

Crisis and Emergency Risk Communications: Addressing the challenges Stacey Thompson. CONTEXT Emergency Communications vs Emergency Information Management (beware of much communications and little information)

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DRAND: Distributed Randomized TDMA Scheduling for Wireless Ad-Hoc Networks

DRAND: Distributed Randomized TDMA Scheduling for Wireless Ad-Hoc Networks. Injong Rhee (with Ajit Warrier, Jeongki Min, Lisong Xu) Department of Computer Science North Carolina State University. CSMA Protocols. When are they useful? When are they a bad idea? Can TDMA be a better solution?

523 views • 32 slides

Cellular Mobile Communication Systems Lecture 5

Cellular Mobile Communication Systems Lecture 5. Engr. Shahryar Saleem Assistant Professor Department of Telecom Engineering University of Engineering and Technology Taxila TI - 1011. Interleaving. Problem: Errors in wireless channels occur in bursts due to fast fades

557 views • 31 slides

AIC group: Networking Protocols and agent methodology research for Sensor Networks

AIC group: Networking Protocols and agent methodology research for Sensor Networks. Antonio G. Ruzzelli School of Informatics and Computer Science University College Dublin Dublin, Ireland ruzzelli@ucd.ie www.adaptiveinformation.ie. 1: Dual channel multiple access. Background .

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Cellular Mobile Communication Systems Lecture 5

Cellular Mobile Communication Systems Lecture 5. Engr. Shahryar Saleem Assistant Professor Department of Telecom Engineering University of Engineering and Technology Taxila TI - 1011. Interleaving. Problem: Errors in wireless channels occur in bursts due to fast fades

349 views • 31 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

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Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [System concept of DSA] Date Submitted: [7 Mar, 2011 ]

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Advantages of Dual Channel MAC for Wireless Sensor Networks

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HEW Evaluation Metrics Suggestions

HEW Evaluation Metrics Suggestions. Date: 2013-9-16. Authors:. Introduction. HEW SG IEEE 802 LMSC approved formation of 802.11 Study Group to investigate High-efficiency WLAN (HEW) in March meeting of 2013.

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Consideration on Interference Management in OBSS

Consideration on Interference Management in OBSS. Authors:. Background. TGac agrees that it is important to see how 11ac devices behave in OBSS [1].

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Final Comments on TPC and DFS Proposal (01/169r2)

Final Comments on TPC and DFS Proposal (01/169r2). S. Choi 1 , P. Ecclesine 4 , S. Gray 2 , M. Kasslin 2 , S. Mangold 3 , A. Myles 4 , A. Soomro 1 , D. Skellern 4 Philips Research 1 , Nokia Research Center 2 , ComNets Aachen University 3 and Cisco 4. Proposal Goals.

1.09k views • 5 slides