Achilles design of a high capacity mesh network with directional antennas

... directional antennas By making efficient use of directional antennas, for both transmission and reception, and spatial reuse in transmission, Achilles achieves the goal of a high capacity mesh network ... a 3-D view of radiation patterns Figure 2.1: 3-D representation of antenna radiation pattern of a directional and omnidirectional antenna, courtesy wikipedia...

Ngày tải lên: 26/09/2015, 10:51

... channel measurements which can be used for channel characterization and capacity analysis [2] Apart from a general overview of OpenAirInterface, in this paper we present OpenAirMesh a specification ... node Variable bit-rate traffic channel with negotiated QoS parameters used by the mesh network to transport data traffic corresponding to a particular flow Table 4: Transport and physi...

Ngày tải lên: 21/06/2014, 18:20

... real-time CABAC encoder targeting at high definition high quality H. 264/ AVC video coding applications In this thesis, research work is carried out to design a hardware IP of CABAC encoder targeting ... targeting at the Main profile of H. 264/ AVC The general research objectives include: (1) Design a SoC based full hardware CABAC encoder that minim...

Ngày tải lên: 10/09/2015, 15:50

... Efficiency and Fairness Characteristics • Takes 7.5 seconds to reach 90% of the link capacity, independent of BDP • Satisfies max-min fairness if all the flows have the same end-to-end link capacity ... (Additive Increase Multiplicative Decrease) • Fair: max-min fairness • Stable: globally asynchronously stable • But, inefficient and not scalable – In grid networks (with high band...

Ngày tải lên: 15/01/2014, 15:59

... Thanh, Nguyen Anh Tuan, Bach Gia Duong, Research, Design And Fabrication Of The 45W And The 200W, L-Band Power Amplifier Using The Modern Microstrip Technology For Application In The National ... have also investigated the S11 factor of the power divider Wilkinson on network analyzer, the result was relatively similar to that of the simulink model Afterthat we have measu...

Ngày tải lên: 22/03/2014, 11:20

... PR and to create a stop at the end of PR are 5' GAA GAT CTA CGC GTT CCG GAG CAG ATG ATA CAG TAT TAG AAG 3' and 5' CGG AAT TCG GAT CCT TAA AAA TTT AAA GTG CAG CCA ATC TGA GT 3' Cells Human embryonic ... GGG CAA TTA AAG GAA GCT CTA TTA GAT T 3', 5' CCG GAA TCT AAT AGA GCT TCC TTT AAT TGC CCC CCT ATC TTT ATT GTG ACG A 3', 5' GGG GTC GCT GCC AAA GAG TGA TCT GAG GGA AGC TAA AGG ATA CA 3' and...

Ngày tải lên: 13/08/2014, 06:20

... DESIGN AND IMPLEMENTATION OF A HIGH SPEED AND LOW POWER FLASH ADC WITH FULLY DYNAMIC COMPARATORS LI TI A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF ELECTRICAL AND ... comparator design assumes such a pivotal position in conventional flash ADC design that its importance can hardly be overstated Chapter Overview of...

Ngày tải lên: 04/10/2015, 10:26

... strong acid cation resin is a premium grade product with high exchange capacity, excellent resistance to attrition and good resistance to thermal and oxidative degradation The high cross-linkage ... ensuring that Customer’s workplace and disposal practices are in compliance with applicable laws and other governmental enactments Seller assumes no obligation or liability for the...

Ngày tải lên: 27/04/2013, 10:34

... performance and design of air-breathing PEM fuel cells Litster and Djilali [1] developed a single-phase one-dimensional semi-analytical model of the membrane electrode assembly (MEA) of planar air-breathing ... of a passive planar air breathing fuel cell cathode J Power Sources 2007, 167(1), 118–129 [3] Rajani B.P.M and Kolar A. K A model for a vertical plan...

Ngày tải lên: 05/09/2013, 14:58

... performance and design of air-breathing PEM fuel cells Litster and Djilali [1] developed a single-phase one-dimensional semi-analytical model of the membrane electrode assembly (MEA) of planar air-breathing ... Mechanical behaviour of PEM fuel cell catalyst layers during regular cell operation International Journal of Energy and Environment, 2010; 1(6), 927-936 [...

Ngày tải lên: 05/09/2013, 14:58

... Zero Data Per Endpoint USB Bus Interface SIE No USB Format a collection of endpoints USB Framed Data USB Bus Interface SIE USB Framed Data Transactions Device USB Device USB System manages devices ... Idle Handshake ACK ACK DATA0/ DATA0/ DATA1 DATA1 NAK DATA0 T/O STALL T/O ACK Idle Host Function There are Four Types of USB Transactions ? Isochronous (Audio, telephony...

Ngày tải lên: 13/12/2013, 00:15

... complete home alarm system, but merely illustrates that the home automation system can interface with a larger existing alarm system The alarm interface unit provides the home alarm system with an arm/disarm ... very important, as it means that on a noisy powerline circuit, home automation signals can be sent reliably, as long as the rate of transmission is low enou...

Ngày tải lên: 19/01/2014, 20:20

... disseminate the events published in the topic Pastry and Scribe are fully decentralized, all decisions are based on local information, and each node has identical capabilities Each node can act as a ... publisher, a root of a multicast tree, a subscriber to a topic, a node within a multicast tree, and any sensible combination of the above Much of the scalability an...

Ngày tải lên: 19/02/2014, 18:20

... coordinate-sentence, subordinate-sentence, subordinate-participial-clause, prepositional-phrase, and others Semantic analysis of a sample of natural text stock reports discloses that a hierarchy of ... requirements of the report generator Research in machine translations and text understanding9 has demonstrated that not only does naturally generated text disclose the lexicon and...

Ngày tải lên: 21/02/2014, 20:20

... 203–206 Kato K, Fujiyama K, Hatanaka HS, Prijambada ID, Negoro S, Urabe I & Okada H (1991) Amino acid alterations essential for increasing the catalytic activity of the nylon-oligomer degradation enzyme ... Journal compilation ª 2009 FEBS Y Kawashima et al of a tetrahedral intermediate; (c) formation of an acyl enzyme and transition to an open form; and (d) deacylation [12] We hav...

Ngày tải lên: 07/03/2014, 00:20